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About Aizhan超韧ABS/PBT合金材料的特点
作者：admin　　　　添加时间：
13:29:09　　　　浏览量：2514
目前，聊天论坛,一天做一次爱,brazzers girls,无论是国外的还是国内的保险杠材主要以聚丙烯加弹性体与矿物的复合材料为主。由于聚丙烯为基材保险杠表面活性低，与油漆亲和力差，保险杠在喷涂之前必须经过火焰处理程序，若火焰工艺处理不当，则整批涂装保险杠将报废。聚丙烯基材的保险杠耐热性不高，膨胀系数高，处理前后尺寸变化大，而造成保险杠在使用过程中由于温度的变化而尺寸发生变化，导致保险杠变形和产生内应力，易引起保险杠的松脱或破坏。而超韧合金无上述缺点，聊天论坛,一天做一次爱,brazzers girls,且可适当提高烘烤温度，缩短烘烤时间，提高生产效率。也可以根据实际情况进行免喷涂配色，达到塑料部件与金属部件同等的颜色效果。
采用ABS和一些热塑性弹性体来增韧PBT的缺点是材料的拉伸强度、弯曲强度和弯曲模量会大幅下降。另外，当弹性体添加量一旦超过一定的范围，就会使材料出现分层、脱皮现象。因此，弹性体的选择不但要与ABS/PBT合金体系有较好的相容性，使之与相容剂协同增韧，而且还要减少拉伸强度等性能的损失，从而达到优化材料性能的目的。
丁睛橡胶(NBR)是丁二烯与丙烯睛共聚得到的一种极性聚合物，聊天论坛,一天做一次爱,brazzers girls,其极性随NBR中丙烯睛的含量增加而加强。NBR与PBT的相容性较好，同时又与ABS极性、分子结构、溶解度参数相近，所以NBR是ABS/PBT合金体系较好的增韧剂。
热塑性聚氨酯(TPU)是多嵌段共聚物，硬段由二异氰酸醋与扩链剂反应生成，它提供有效的交联功能;软段由二异氰酸醋与聚乙二醇反应生成，它提供拉伸性和低温韧性。所以TPU既有橡胶的高弹性，又有良好的流动性，与ABS的相容性很好，可用于ABS/PBT合金体系的增韧聊天论坛,一天做一次爱,brazzers girls,。研究表明：NBR,?TPU的加人量为5?~15份时一最佳，对其材料的冲击强度和耐磨性有显著的改进。此外，其他的弹性体，如乙烯一丁烯共聚物(SEBS)、三元乙丙橡胶(EPDM)等增韧机理与NBR,?TPU基本相似，加人ABS/PBT合金体系中，也能起到良好的增韧效果，从而优化材料的性能。
为了顺应轻量化趋势，对已经成熟应用塑料的外饰部件，延锋彼欧尝试把它做得更薄。塑料的薄壁化和低密度化是短期内外饰塑料发展的重要方向。而从长期来看，塑料会越来越多地应用到汽车外饰件中。该负责人甚至大胆预测，聊天论坛,一天做一次爱,brazzers girls,在未来10-20 年中， 汽车的“ 四门两盖”都可以用复合塑料来制作。延锋彼欧已经在尝试将汽车的尾门塑料化，如其为荣威e50 所供应的尾门，该尾门模块内板使用SMC 塑料，外板则使用TPO 塑料，内外盖板通过复合压制成型。
可见，未来塑料在外饰中所占比例越来越高， 且壁厚也越来越薄，不少消费者会心存疑虑，这样真的安全吗？ 对此， 该负责人表示，所有的塑料只有在强度达标的情况下，才会得以应用。“为了保障安全，延锋彼欧特意设立了低速碰撞和行人保护实验室，我们是国内第一家能独立完成这些实验的外饰供应商，这也为我们更好地选择安全的材料以及优化结构设计提供了保障。聊天论坛,一天做一次爱,brazzers girls,”该负责人说。
环保塑料受青睐
作为一家领先的供应商，延锋彼欧不仅在保证安全的前提下娴熟地将塑料应用在外饰件中，而且把眼光放得更远，那就是如何更为环保地去应用这些塑料。这不仅仅是秉着对用户负责的态度，实现产品的环保；也是秉着对社会环境负责的态度，实现整个生产过程的环保。
首先，据负责人介绍，公司技术中心近期致力于研发高光黑、亮银等免喷涂外观装饰零件。聊天论坛,一天做一次爱,brazzers girls,由于免喷涂塑料省去了高能耗的喷漆工艺，同时还能提高制件的良率，近几年来备受关注。目前，这些免喷涂零件大多应用于散热格栅、立柱等外饰装饰部件中。在延锋彼欧的客户中，上海大众、上海通用、宝马等诸多品牌的一些车型中都有成功应用。
当然，喷漆仍然是塑料外饰部件的重要工艺，延锋彼欧一直致力于涂装流水线的技术改造，单位能耗逐年降低。
同时，公司在几年前就开展了水性油漆的应用研究，以水性油漆代替溶剂型油漆，即以水作为油漆树脂的稀释剂，来代替传统的有机溶剂稀释剂，以减少生产过程中的VOC 排放，减少对环境、大气的影响。
另外，聊天论坛,一天做一次爱,brazzers girls,延锋彼欧还十分重视外饰塑料的可循环利用性。目前，对于外饰材料的可回收率要达到100%。对于塑料而言，热固性塑料虽然强度高于热塑性塑料，但其回收性较差，因此热固性塑料向着热塑性塑料发展也是外饰塑料的发展趋势之一。
事实上，诸如保险杠等已成熟应用塑料的外饰部件，材料选择基本都经历了由钢铁等金属演变成热固性塑料，再由热固性塑料演变成热塑性塑料的过程。延锋彼欧已推出的几款塑料尾门，其外板和内板都是热固性塑料。但为了促进其可持续性发展，延锋彼欧克服了层层技术上的难关，将在今年年底推出一款全部由热塑性塑料制成的汽车尾门，聊天论坛,一天做一次爱,brazzers girls,相信这将成为国内外饰材料发展的重要里程碑。
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When Dee Dee Lynn gets another F in school, she knows it's going to mean trouble for her. But when her stepdad Johnny Sins gives her a nice pep talk, saying to find her passion and follow it no matter what, she really takes it to heart. So imagine Johnny's surprise when he heads to the local strip joint and sees Dee Dee shaking her stuff on stage! He tries to get her to stop, but she explains that she's just doing like he suggested and pursuing her true passion: being a whore! He's a little wary at first, but when she starts giving him a one-one-one lap dance, she can feel him getting hard through his jeans, and knows he's into it. She whips out his cock and sucks it, licking the tip while she strokes his big shaft. Johnny pulls her panties aside and fucks her hard, then busts a fat nut all over her silky white stomach and big natural tits!
Jamie Jackson is one of the best Doctors in her field because she always keeps her promises. So when she tells Keiran Lee that he's going to walk again, she's willing to do whatever it takes to make sure that he does! His healing should all be done, but ever since his girlfriend dumped him, his motivation has all gone out the window. To make sure that Keiran gets out of the wheelchair, Jamie uses the most powerful motivational tool she has at her disposal: her juicy ass! With Jamie's big booty just out of reach, Keiran gets up out of his chair and walks over to get him a piece of her pretty little pink pussy. He oils up her ass and then fucks her from behind so that he can see that beautiful booty bouncing, then flips her over to get a look at her natural tits. Finally, he gives the doctor a big facial, and Jamie can cross one more satisfied patient off of her list!
This week, in the thrilling conclusion to the Doctor, we find out hero in the midst of an erotic interlude with a sexy mutant (AKA Victoria Summers). Her skin may be blue, but she's got big tits and an incredible body, so the Doctor goes to town, fucking her hard and blowing a load all over her face. But when Big Blue brings them to a 26th century prison planet, things take a turn for the worst! It's the Doctor and his lovely assistant Victoria (AKA Georgie Lyall) in an exciting team-up with the Doctor's old nemesis, Mistress Leigh Darby! Fearing for their lives, the trio has an amazing threesome, with Leigh and Georgie taking turns licking each other's tight pussies and fucking the Doctor's huge cock. Our hero blasts a huge facial cumshot for the busty blondes to share, but now that they've used up all their time fucking, will there be time enough to save the day?
Trinity StClair is a slutty yoga teacher who's busy teaching her friends some basic moves when she spots local perv Johnny Sins eyeing them through the window. The other ladies are creeped out and quickly make an exit, but Trinity, being just as much of a horny perv as Johnny himself, decides she wants to get some! She drops Johnny pants and starts blowing his fat cock, sucking, stroking, and even fucking it with her perky tits. Johnny pounds her tight teen pussy until she cums hard, and then he sticks his big dick balls deep in her tight little asshole! Johnny fucks her ass hard and then busts a big nut all over her pretty face, because when it comes to perverts, it takes one to know one!
Stop looking for free Brazzers passes!Busty MILF Janet Mason has been getting anonymous gifts from a secret admirer lately, and she would love nothing more than to catch the mystery man red handed. So when Gracie Glam comes over and gets a package from that same stalker, the duo come up with a plan to catch him in the act. Setting out some of the sexy lingerie he had bought them, they lure him into the house, where they pounce and teach him a little lesson about respect! The two slutty babes take turns sucking and fucking their admirer's fat cock, riding that dick until they're both cumming hard. They take turns eating each other's wet pussies and riding Bill Bailey's hard cock all the way to a big facial for them to share! But the question is, now that he got what he wanted, will their secret admirer finally leave them alone?
Newlyweds Jessy Jones and Casey Cumz are having dinner with their friends, married couple Nikita Von James and Marco Banderas, when an intense display of affection between Nikita and Marco makes the young couple a little uncomfortable. Nikita explains that her and Marco keep the magic alive in their marriage by swinging, and their sex life has never been better! To demonstrate, Nikita crawls under the table and starts sucking Jessy's fat dick. Casey can barely believe her eyes, but before she can protest, Marco has whipped his cock out too! Casey goes to town on that big dick, sucking, stroking, and riding it while she watches her husband go balls deep in Nikita's tight pussy, pretty mouth, and even between her beautiful big tits! A couple of big facials for the horny housewives cap off their dinner party, formally introducing Casey and Jessy into the world of swinging!
Danny D and Yanick Shaft were hanging out playing World Cup BraZZil, with Yanick as Portugal and Danny as England, when something incredible happened. The two virtual team captains, busty beauties Jasmine Jae and Erica Fontes, looked right at them! For a second Danny and Yanick thought it must be some kind of glitch, but when the sexy sluts climbed right out of the TV screen and started sucking their fat cocks, they knew it was their lucky day! Those tight and toned hotties brought their athleticism and dedication to their sucking and fucking, swapping partners and positions with the greatest of ease. They took those fat cocks balls deep in their tight wet pussies, and then got a couple of massive cumshots as a nice reward! But remember: if the clock is still running, the game is still on!
Emma Stoned is head cheerleader for the ZZ Cheetahs, and she's holding auditions to find their next member. But when she sees that August Ames, the busty slut who kissed her boyfriend, is next to audition, she jumps at the opportunity for a little bit of sexy revenge. First, they strip August down, revealing her tight booty and big natural tits. August is willing to do whatever it takes to get on the squad, so she eats out Emma's tight teen pussy and sucks on her pretty little toes. Emma busts out her strap-on to pound August's pussy hard, and then pulls out a vibrator to massage her little clit. Once Emma has gotten what she wants, she leaves August horny and naked on the floor. That'll teach her to mess with another woman's man!
Stop looking for free Brazzers passes!When Jayden Jaymes messed up the sales figures for an important client, her boss Keiran Lee covers for her, taking all the blame with Bill the bossman. Jayden feels terrible, so she thinks up a quick way to thank him for taking the fall for her: bending over his desk and letting him fuck her hard! She strips down and then jerks his big cock, playing with the balls and stroking the shaft until it's hard as a rock. Jayden sucks and titty fucks her boss, starting with a slow and sensual blowjob that slowly winds up to an intense face fucking. Jayden takes his fat dick deep in her tight pussy and cums hard, big tits flopping as she takes that huge cock down to the base. Finally, she takes a big load all over her beautiful boobs, and Keiran learns that chivalry really does pay off!
It's hard to surprise the medical officers who run the Army hospital. Alektra Blue and Monique Alexander have seen all kinds of stupid pranks from the recruits in boot camp. But today they caught a Private going way too far, peeking at their huge boobs through a screen. Once they catch dude in the act, they make him strip butt naked and give them both the dick.
Kagney Linn Karter is a private investigator who is indisputably the best at what she does. Not everyone in the police agrees with her slutty methods, but when the Police Chief needs to get the job done no matter what, it's Kagney he calls. So when the Chief finds out a string of robberies has been going down, he gets Kagney on the case. Her first move is to track down Xander Corvus, one of the guys responsible for the fiendish crimes, and fuck some answers out of him by posing as a lowly masseuse down at the local rub and tug joint. She starts by working his thick cock with her hands and feet, sucking and stroking it until he's hard as a rock. She spreads her legs and takes his big dick balls deep in her tight pussy, fucking her way to one monster facial and a big lead towards solving what could end up being the case of her career!
Danny D was on the phone with his wife when a sudden knock on his door interrupted his conversation. It was his neighbor Kimberly Kendall, a big-titted babe who was wearing nothing but some black stockings and sexy lingerie! She explained that her boyfriend had just kicked her out, and in order to get back at him, she called him up and started giving a dirty play by play as she sucked off Danny's big dick. He could barely believe his luck as he heard Kimberly tell her boyfriend that she was going to let Danny fuck her tight asshole, and as soon as she hung up, he gave her big booty and pretty pink pussy a nice hard pounding. Once he had fucked all three of the busty slut's holes, Danny unloaded a monster facial blast all over her pretty face, and then she went on her way! Isn't it nice when neighbors get along?
Brick Danger was at his girlfriend's place when she got horny and said she wanted to fuck. She started rubbing on his dick through his jeans, but she was putting so much pressure on him that he just couldn't get hard! He ran into the hallway to try and get himself going, but that's exactly when his girlfriend's mother, busty British babe Emily B, walked in and found him jerking himself off! Being a considerate slut, she dropped to her knees and sucked Brick's dick until it was hard as a rock. Unfortunately, by the time Brick got back to his girlfriend, she had already gone to bed. Emily helped him out again, letting him lick her wet pussy and tight ass until she was dripping wet, then sucking and titty fucking his fat cock. He plowed Emily's tight pussy until she was cumming hard, and then blew a big cumshot all over Emily's face and beautiful big fake tits!
Stop looking for free Brazzers passes!When Danny D moved to the states to live with his father in California, it was on the condition that he spend some time with his stepmother, busty blonde beauty Phoenix Marie. He had been putting off hanging out with her for as long as he cold, but his father finally gave him no choice in the matter, telling him to spend the day with Phoenix or else. Danny found her in the bath, and tried to give her some privacy, but she was more interested in doing a little bonding! First, Danny licks her pretty little pussy until it's dripping wet, and then fucks her hard until she's ready to cum all over his dick. Then, he takes it up a notch by going balls deep in her juicy MILF ass for an incredible anal session that only ends when Danny blows a huge cumshot all over Phoenix's face and big tits!
No one makes their phat booties clap like Missy Martinez, so we invited her out to get fucked hard by Mick Blue's big fat cock. She started out with a sexy striptease, showing off her incredible curves and letting Mick worship her beautiful big tits. Once his dick was rock hard, Missy dropped to her knees to suck that big dick, and then take it all the way to the base in her tight little asshole. Mick gave that busty slut an intense anal pounding until she was screaming with pleasure, tearing the shirt right off her huge tits in the process. She sucked, stroked, and fucked that big dick until it was ready to burst, and then Mick unloaded a big facial blast all over her smiling face!
Raven Bay is one of the prettiest and most popular girls in school, but for this busty cheerleader, that's not enough. Raven won't be satisfied until she's named prom queen, so she sneaks into Principal Johnny Sins' office to rig the votes! She almost gets away with it, but Mr. Sins comes in and catches her red-handed. The sexy slut thinks quick, whipping out her big tits and making Mr. Sins an offer he'd never refuse. She strokes and sucks his fat cock, giving him some sloppy head and playing with her pretty pink clit while he fucks her face. She takes Principal Sins' dick deep in her pussy in every position, finally earning the right to call herself prom queen by taking a big facial all over her smiling face!
Alina Li and Carmen Caliente were having a slumber party at their friend Alexis's house, jumping on the bed and playing spin the bottle in their panties, when Alina brought out a special surprise: a big glass dildo! The horny teen sluts took turns fucking each other's tight pussies when Alexis's stepbrother Johnny came in and interrupted their impromptu lesbian fuck session. Alina and Carmen were already dripping wet, so they decided to share his fat cock. First they took turns sucking it, rubbing their clits as the other deepthroated Johnny's huge tool. Then they took it balls deep in their pretty little pussies, and Johnny pounded those teen twats so hard that Alina squirted all over his big dick! Finally, Johnny blew a huge load all over the horny beauties, splattering both their pretty faces with a big facial cumshot. You know what they say: friends share everything!
Bonnie Rotten is a mad scientist who has set out to find the perfect sexual partner. So far, she's had no luck, and every single subject she's brought back to the lab cums way too quickly! She runs test after test, but nothing seems to work. Nothing, that is, until she gets a new specimen for her erotic experiments: Brick Danger. It turns out that Brick has everything Bonnie has been looking for this whole time, from his big fat cock to his impressive stamina. In order to prep her subject, Dr. Rotten gives Brick some super sloppy head, slobbering all over his big dick and deepthroating it down to the base. She takes it balls deep in her pink pussy, pretty face, and finally in her tight little asshole, pussy squirting as she cums all over her lab. Finally, Brick gives her a big facial cumshot, officially making himself Bonnie's best experiment ever!
Stop looking for free Brazzers passes!Romi Rain had all the business in town locked down, thanks to her tasty food and ample cleavage. But when Charisma Cappelli showed up and started trying to out-cook and out-seduce her, it meant war! Romi and Charisma did their best to top each other with increasingly sexy lunch specials, until finally there was no choice but to have a cook-off! Repeat customer Brick Danger was selected as the judge, but when their cooking was too close to call, the busty babes had to break the tie by proving who was the sexiest cook in town! They took turns stroking, sucking, and fucking Brick's fat dick, big tits bouncing as they rode that cock to some body-rocking orgasms. When Brick gave them a big facial cumshot to share, they realized that they were much better off as a team than competition. There's nothing like a threesome to bring people together!
Veruca James is a sexy dominatrix in need of an assistant, and Georgie Jones is the slutty schoolgirl who came to apply for the position. She showed up expecting your standard job interview, but when Veruca answered the door wearing nothing but her skimpy little dom outfit, Georgie knew she was in for an intense afternoon! First order of business was to strip Georgie down and get her into something tight and leather, and then make sure she knew how to eat out an ass! After getting her asshole licked, Veruca showed her how it was done, tongue-fucking Georgie's ass like a true professional. Next test for the fledgling dom was to suck and fuck Veruca's big black strap-on, and taking that huge dildo down to the base made Georgie cum hard! But the real question is, will it be enough to impress Mistress Veruca?
Officer Marcus London and his wife Breanne Benson have been having some marriage problems ever since he got shot in the line of duty. For one thing, Breanne hasn't gotten fucked once since the accident! So when his old partner Johnny Sins comes over for a BBQ, Breanne corners Johnny and makes her move. Since its Johnny's fault Marcus got shot and can't fuck her anymore, it should be Johnny who makes it up to her by fucking her tight pussy until she cums! Johnny doesn't want to betray his former partner, but one look at Breanne's sweet juicy ass and natural tits and he just can't help himself! Breanne takes Johnny's fat cock down to the base, sucking and fucking until she finally gets the orgasm she's been denied for oh so long!
Hailey Young is with her husband, Warden Marcus London, checking out the new state of the art expansion of the prison he runs. Hailey, horny slut that she is, is bored and wants to find some secluded corner for them to fuck in, but the warden is too busy to attend to his woman's needs. An unattended horny slut is a dangerous thing, and it doesn't take long for Hailey to start showing off her pussy for some of the convicts. Willing to do just about anything for a good lay, Hailey runs into an open cell and then puts the whole prison on lock-down, trapping her husband in the observation room, unable to do anything but watch as his wife sucks and fucks three big black cocks! Hailey gets double penetrated and then even goes airtight, fucking those big dicks until she gets two facial cumshots and one vaginal creampie, finally satisfying her cum cravings for the day.
Klaudia Hot's boss has been waiting on a package delivery all day, and as the hours go by, he just keeps getting more and more upset. Finally he takes off for the day, and wouldn't you know it, that's exactly when the delivery guy Angelo Ferro finally decides to show up. With her boss gone, Klaudia doesn't have the cash to pay for the package, so she offers Angelo the deal of a lifetime: forget the service fee, and fuck her instead! Angelo knows a good deal when he sees one, and starts sucking and squeezing her soft natural titties. Angelo titty fucks those big boobs and Klaudia's pretty mouth before bending her over so she can take his fat cock deep in her wet pussy and tight asshole. He gives her an intense anal pounding and then blows a big load all over her face and tits!
Danny D was on vacation with his girlfriend, trying to get a picture of the two of them in front of a nice painting. His arms weren't long enough, so he asked some random dude to take the picture for him, not realizing that he just so happened to be a Brazzers director! Our man got right to work, replacing Danny's girlfriend with a busty babe named Marina Visconti, and telling her to get on her knees and suck Danny's big dick. She sucked and fucked Danny's dong, big natural tits bouncing hypnotically as she rode her way to an intense orgasm. Danny even fucked that sexy slut's tight ass, pounding every one of her holes and then blowing a huge jizz load all over her face and tits!}