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    • 1. 发明授权
    • Thermoplastic silicone elastomers formed from nylon resins
    • 由尼龙树脂形成的热塑性硅橡胶
    • US06362287B1
    • 2002-03-26
    • US09535556
    • 2000-03-27
    • Igor ChorvathMichael K. LeeYongjun LeeDawei LiKoji NakanishiRobert Leo OldinskiRichard L. RabeDavid Joseph RomeneskoJeffrey Paul Sage
    • Igor ChorvathMichael K. LeeYongjun LeeDawei LiKoji NakanishiRobert Leo OldinskiRichard L. RabeDavid Joseph RomeneskoJeffrey Paul Sage
    • C08G7708
    • C08L83/04C08G77/12C08G77/20C08G77/44Y10S525/903C08L2666/14C08L2666/28
    • A method for preparing a thermoplastic elastomer is disclosed, said method comprising (I) mixing (A) a rheologically stable polyamide resin having a melting point or glass transition temperature of 25° C. to 275° C., (B) a silicone base comprising (B′) 100 parts by weight of a diorganopolysiloxane gum having a plasticity of at least 30 and having an average of at least 2 alkenyl radicals in its molecule and (B″) 5 to 200 parts by weight of a reinforcing filler,  the weight ratio of said silicone base to said polyamide resin being greater than 35:65 to 85:15, (C) 0.1 to 5 parts by weight of a hindered phenol compound for each 100 parts by weight of said polyamide and said silicone base, (D) an organohydrido silicon compound which contains an average of at least 2 silicon-bonded hydrogen groups in its molecule and (E) a hydrosilation catalyst, components (D) and (E) being present in an amount sufficient to cure said diorganopolysiloxane (B′); and (II) dynamically curing said diorganopolysiloxane (B′), wherein at least one property of the thermoplastic elastomer selected from tensile strength or elongation is at least 25% greater than the respective property for a corresponding simple blend wherein said diorganopolysiloxane is not cured and said thermoplastic elastomer has an elongation of at least 25%.
    • 公开了一种制备热塑性弹性体的方法,所述方法包括(I)混合(A)熔点或玻璃化转变温度为25℃至275℃的流变学稳定的聚酰胺树脂,(B)硅氧烷基 包含(B')100重量份的塑性为至少30的二有机聚硅氧烷胶,其分子中平均具有至少2个烯基,(B“)为5〜200重量份的增强填料, 所述硅氧烷基与所述聚酰胺树脂的重量比大于35:65至85:15,(C)每100重量份所述聚酰胺和所述有机硅基料为0.1至5重量份的受阻酚化合物, (D)在其分子中平均含有至少2个与硅键合的氢基团的有机氢化硅化合物,(E)硅氢化催化剂,组分(D)和(E)以足以固化所述二有机聚硅氧烷的量存在 B'); 和(II)动态固化所述二有机聚硅氧烷(B'),其中选自拉伸强度或伸长率的热塑性弹性体的至少一种性能比相应的简单混合物的相应性能大至少25%,其中所述二有机聚硅氧烷不固化, 所述热塑性弹性体的伸长率至少为25%。
    • 5. 发明授权
    • Thermoplastic silicone elastomers formed from nylon resins
    • 由尼龙树脂形成的热塑性硅橡胶
    • US06713569B2
    • 2004-03-30
    • US10015155
    • 2001-10-26
    • Igor ChorvathFrances Marie FournierMichael Kang-Jen LeeDawei LiRobert Leo OldinskiRichard Leroy RabeJeffrey Paul SageDean Curtis GrayYongjun LeeKoji Nakanishi
    • Igor ChorvathFrances Marie FournierMichael Kang-Jen LeeDawei LiRobert Leo OldinskiRichard Leroy RabeJeffrey Paul SageDean Curtis GrayYongjun LeeKoji Nakanishi
    • C08K513
    • C08L83/04C08G77/12C08G77/20C08G77/44Y10S525/903C08L2666/14C08L2666/28
    • A method for preparing a thermoplastic elastomer is disclosed, said method comprising (I) mixing (A) a rheologically stable polyamide resin having a melting point or glass transition temperature of 25° C. to 275° C., (B) a silicone base comprising (B′) 100 parts by weight of a diorganopolysiloxane gum having a plasticity of at least 30 and having an average of at least 2 alkenyl radicals in its molecule and (B″) 5 to 200 parts by weight of a reinforcing filler, the weight ratio of said silicone base to said polyamide resin is from 35:65 to 85:15, (C) 0.01 to 5 parts by weight of a stabilizer per 100 parts by weight of said polyamide resin plus said silicone base, said stabilizer being selected from hindered phenols; thioesters; hindered amines; 2,2′-(1,4-phenylene)bis(4H-3,1-benzoxazin-4-one); and 3,5-di-tert-butyl-4-hydroxybenzoic acid, hexadecyl ester, (D) an organohydrido silicon compound which contains an average of at least 2 silicon-bonded hydrogen groups in its molecule and (E) a hydrosilation catalyst, components (D) and (E) being present in an amount sufficient to cure said diorganopolysiloxane (B′); and (II) dynamically curing said diorganopolysiloxane (B′), wherein at least one property of the thermoplastic elastomer selected from tensile strength or elongation is at least 25% greater than the respective property for a corresponding simple blend wherein said diorganopolysiloxane is not cured and said thermoplastic elastomer has an elongation of at least 25%.
    • 公开了一种制备热塑性弹性体的方法,所述方法包括(I)混合(A)熔点或玻璃化转变温度为25℃至275℃的流变学稳定的聚酰胺树脂,(B)硅氧烷基 包含(B')100重量份的塑性为至少30的二有机聚硅氧烷胶,其分子中平均具有至少2个烯基,(B“)为5〜200重量份的增强填料, 所述硅氧烷基与所述聚酰胺树脂的重量比为35:65至85:15,(C)每100重量份所述聚酰胺树脂加上所述硅氧烷基的稳定剂为0.01-5重量份,所述稳定剂为 选自受阻酚; 硫酯; 受阻胺; 2,2' - (1,4-亚苯基)双(4H-3,1-苯并恶嗪-4-酮); 和3,5-二叔丁基-4-羟基苯甲酸十六烷基酯,(D)在其分子中平均含有至少2个与硅键合的氢基团的有机氢化硅化合物,(E)硅氢化催化剂, 组分(D)和(E)以足以固化所述二有机聚硅氧烷(B')的量存在; 和(II)动态固化所述二有机聚硅氧烷(B'),其中选自拉伸强度或伸长率的热塑性弹性体的至少一种性能比相应的简单混合物的相应性能大至少25%,其中所述二有机聚硅氧烷不固化, 所述热塑性弹性体的伸长率至少为25%。
    • 6. 发明授权
    • Toughened thermoplastic resins
    • 增韧热塑性树脂
    • US06281286B1
    • 2001-08-28
    • US09393029
    • 1999-09-09
    • Igor ChorvathGerald Alphonse GornowiczDavid Joseph RomeneskoJeffrey Paul Sage
    • Igor ChorvathGerald Alphonse GornowiczDavid Joseph RomeneskoJeffrey Paul Sage
    • C08G7708
    • C08L77/00C08L67/02C08L69/00C08L77/02C08L77/06C08L83/04C08L2666/14C08L83/00
    • A thermoplastic composition having a high impact strength is disclosed, said composition being prepared by (I) mixing (A) a thermoplastic selected from a polyester resin or a polyamide resin, (B) a silicone component comprising (B′) a diorganopolysiloxane gum having a plasticity of at least 30 and having an average of at least 2 alkenyl radicals in its molecule and (B″) a fumed silica filler, (C) an organohydrido silicon compound which contains an average of at least 2 silicon-bonded hydrogen groups in its molecule, and (D) a hydrosilation catalyst, components (C) and (D) being present in an amount sufficient to cure said diorganopolysiloxane; and (II) dynamically curing said diorganopolysiloxane gum. When the above composition is based on preferred poly(butylene terephthalate) resins, molded components thereof exhibit an Izod impact strength of at least 14 ft-lb (747 J/m), this high impact strength also being realized by blending the poly(butylene terephthalate) resin with a polycarbonate resin, the fumed silica then being an optional component.
    • 公开了具有高冲击强度的热塑性组合物,所述组合物通过(I)混合(A)选自聚酯树脂或聚酰胺树脂的热塑性树脂制备,(B)含有(B')二有机聚硅氧烷胶的硅氧烷组分 至少30的塑性,其分子中平均具有至少2个烯基,和(B“)热解法二氧化硅填料,(C)含有平均至少2个与硅键合的氢基团的有机氢化硅化合物 在其分子中,和(D)硅氢化催化剂,组分(C)和(D)以足以固化所述二有机聚硅氧烷的量存在; 当上述组合物基于优选的聚(对苯二甲酸丁二醇酯)树脂时,其模塑组分表现出至少14ft-lb(747J / m)的艾佐德冲击强度,这种高冲击力 强度也通过将聚(对苯二甲酸丁二醇酯)树脂与聚碳酸酯树脂混合而实现,然后热解法二氧化硅是任选的组分。