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    • 4. 发明授权
    • Method of making elastic articles having improved heat-resistance
    • 制造具有改善的耐热性的弹性制品的方法
    • US06803014B2
    • 2004-10-12
    • US10192223
    • 2002-07-10
    • Thoi H. HoSelim BensasonRajen M. PatelKimberly S. HouchensRona L. ReidPak-Wing S. ChumLeonie K. Walsh
    • Thoi H. HoSelim BensasonRajen M. PatelKimberly S. HouchensRona L. ReidPak-Wing S. ChumLeonie K. Walsh
    • B29C3508
    • D04B1/18C08L51/06C08L53/025C08L2666/24C08L2666/04C08L2666/02
    • The present invention relates to a method for making a heat-resistant elastic article and a heat-resistant elastic article. The invention especially relates to a method of making elastic fibers and polymeric elastic fibers wherein the elastic fibers are capable of withstanding dyeing and heat-setting processes that typically are conducted at elevated temperatures (such as 110-230° C. and especially at greater than or equal to 130° C. for minutes). The inventive method comprises radiation crosslinking an article (or plurality of articles) under an inert or oxygen limited atmosphere (for example, in N2, argon, helium, carbon dioxide, xenon and/or a vacuum) wherein the article (or articles) comprises at least one amine stabilizer and preferably another optional stabilizer additive. More preferably, the radiation crosslinking is performed at a low temperature (−50 to 40° C.). The elastic article (or articles) comprises a homogeneously branched ethylene interpolymer (preferably a substantially linear ethylene interpolymer), a substantially hydrogenated block polymer, or a combination of the two. The heat-resistant elastic articles (especially fibers) are useful in various durable or repeated-use fabric applications such as, but not limited to, clothing, under-garments, and sports apparel. The heat-resistant elastic fibers can be conveniently formed into fabrics using well-known techniques such as, for example, by using co-knitting techniques with cotton, nylon, and/or polyester fibers.
    • 本发明涉及一种制造耐热弹性制品和耐热弹性制品的方法。 本发明特别涉及一种制造弹性纤维和聚合物弹性纤维的方法,其中弹性纤维能够耐受染色和热定型过程,其通常在升高的温度(例如110-230℃,特别是大于 或等于130℃,分钟)。 本发明的方法包括在惰性或氧气限制的气氛(例如,在N 2,氩气,氦气,二氧化碳,氙气和/或真空中)中辐射交联物品(或多个制品),其中制品(或制品)包含 至少一种胺稳定剂,优选另一种任选的稳定剂添加剂。 更优选地,辐射交联在低温(-50至40℃)下进行。 弹性制品(或制品)包含均匀支化的乙烯互聚物(优选基本上为线性的乙烯互聚物),基本上氢化的嵌段聚合物或两者的组合。 耐热弹性制品(特别是纤维)可用于各种耐用或重复使用的织物应用,例如但不限于衣服,衣服和运动服装。 耐热弹性纤维可以使用众所周知的技术方便地形成织物,例如通过使用与棉,尼龙和/或聚酯纤维的共同编织技术。
    • 5. 发明授权
    • Method of making elastic articles having improved heat-resistance
    • 制造具有改善的耐热性的弹性制品的方法
    • US06437014B1
    • 2002-08-20
    • US09627534
    • 2000-07-28
    • Thoi H. HoSelim BensasonRajen M. PatelKimberly S. HouchensRona L. ReidPak-Wing S. ChumLeonie K. Walsh
    • Thoi H. HoSelim BensasonRajen M. PatelKimberly S. HouchensRona L. ReidPak-Wing S. ChumLeonie K. Walsh
    • C08K513
    • D04B1/18C08L51/06C08L53/025C08L2666/24C08L2666/04C08L2666/02
    • The present invention relates to a method for making a heat-resistant elastic article and a heat-resistant elastic article. The invention especially relates to a method of making elastic fibers and polymeric elastic fibers wherein the elastic fibers are capable of withstanding dyeing and heat-setting processes that typically are conducted at elevated temperatures (such as 110-230° C. and especially at greater than or equal to 130° C. for minutes). The inventive method comprises radiation crosslinking an article (or plurality of articles) under an inert or oxygen limited atmosphere (for example, in N2, argon, helium, carbon dioxide, xenon and/or a vacuum) wherein the article (or articles) comprises at least one amine stabilizer and preferably another optional stabilizer additive. More preferably, the radiation crosslinking is performed at a low temperature (−50 to 40° C.). The elastic article (or articles) comprises a homogeneously branched ethylene interpolymer (preferably a substantially linear ethylene interpolymer), a substantially hydrogenated block polymer, or a combination of the two. The heat-resistant elastic articles (especially fibers) are useful in various durable or repeated-use fabric applications such as, but not limited to, clothing, under-garments, and sports apparel. The heat-resistant elastic fibers can be conveniently formed into fabrics using well-known techniques such as, for example, by using co-knitting techniques with cotton, nylon, and/or polyester fibers.
    • 本发明涉及一种制造耐热弹性制品和耐热弹性制品的方法。 本发明特别涉及一种制造弹性纤维和聚合物弹性纤维的方法,其中弹性纤维能够耐受染色和热定型过程,其通常在升高的温度(例如110-230℃,特别是大于 或等于130℃,分钟)。 本发明的方法包括在惰性或氧气限制的气氛(例如,在N 2,氩气,氦气,二氧化碳,氙气和/或真空中)中辐射交联物品(或多个制品),其中制品(或制品)包含 至少一种胺稳定剂,优选另一种任选的稳定剂添加剂。 更优选地,辐射交联在低温(-50至40℃)下进行。 弹性制品(或制品)包含均匀支化的乙烯互聚物(优选基本上为线性的乙烯互聚物),基本上氢化的嵌段聚合物或两者的组合。 耐热弹性制品(特别是纤维)可用于各种耐用或重复使用的织物应用,例如但不限于衣服,衣服和运动服装。 耐热弹性纤维可以使用众所周知的技术方便地形成织物,例如通过使用与棉,尼龙和/或聚酯纤维的共同编织技术。
    • 10. 发明授权
    • Block copolymer compositions containing substantially inert thermoelastic extenders
    • 含有基本上惰性的热弹性增量剂的嵌段共聚物组合物
    • US06403710B1
    • 2002-06-11
    • US09690039
    • 2000-10-16
    • Wasif K. AhmedStephen R. BetsoAntonio BatistiniMartin J. GuestThoi H. HoDeepak R. ParikhGeorge W. KnightRajen M. Patel
    • Wasif K. AhmedStephen R. BetsoAntonio BatistiniMartin J. GuestThoi H. HoDeepak R. ParikhGeorge W. KnightRajen M. Patel
    • C08L900
    • C09D153/02C08L23/0815C08L53/02C08L2314/06C08L2666/02C08L2666/04C09J153/02
    • The present invention is at least a two-component thermoplastic elastomeric composition comprising at least one block copolymer wherein the composition has essentially the same comparative elasticity, high temperature serviceability and hardness as the unmodified, undiluted (neat) block copolymer portion of the composition. The composition also shows enhanced thermal stability and processibility and is well suited for fabricating elastic moldings, films and fibers as well as for formulating with asphalts, adhesives and sealants. The novel thermoplastic elastomeric composition comprises (a) from about 50 to about 99 percent by weight of at least one block copolymer and (b) about 1 to about 50 percent by weight of at least one ethylene interpolymer having a density from about 0.855 g/cc to about 0.905 g/cc, wherein the ethylene interpolymer in the amount employed is a substantially inert extender of the block copolymer and the composition is further characterized as having: i. storage moduli throughout the range of −26° C. to 24° C. of less than about 3.5×109 dynes/cm2, ii. a ratio of storage modulus at −26° C. to storage modulus at 24° C. of less than about 4, and iii. storage moduli at −26° C. and 24° C. about 0.2 to about 3 times higher than the storage moduli at −26° C. and 24° C., respectively, of the neat block copolymer portion of the composition.
    • 本发明是至少一种包含至少一种嵌段共聚物的双组分热塑性弹性体组合物,其中组合物与组合物未未改性的未稀释(纯)嵌段共聚物部分具有基本上相同的比较弹性,高温可使用性和硬度。 该组合物还显示出增强的热稳定性和加工性,并且非常适用于制造弹性模制品,薄膜和纤维,以及用沥青,粘合剂和密封剂配制。 新型热塑性弹性体组合物包含(a)约50至约99重量%的至少一种嵌段共聚物和(b)约1至约50重量%的至少一种乙烯互聚物,其密度约为0.855克/ cc至约0.905g / cc,其中所用量的乙烯互聚物是嵌段共聚物的基本惰性的增量剂,组合物进一步表征为具有: 在-26℃至24℃的范围内的储存模量小于约3.5×10 9达因/厘米2,ii。 在-26℃下的储能模量与24℃下的储能模量的比小于约4,和iii。 在-26℃和24℃下的储存模量分别比组合物的纯嵌段共聚物部分的-26℃和24℃下的储存模量高约0.2至约3倍。