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    • 4. 发明授权
    • Ethylene copolymer modified polypropylene and shaped articles
    • 乙烯共聚物改性聚丙烯和成型制品
    • US07381767B2
    • 2008-06-03
    • US11222077
    • 2005-09-08
    • Xiyun Serene FanHwee Tatz Thai
    • Xiyun Serene FanHwee Tatz Thai
    • C08L53/00
    • C08L23/10C08F218/08C08F220/18C08L23/025C08L23/08C08L23/0853C08L23/0869C08L23/12C08L23/14C08L53/00C08L2666/06
    • Disclosed are compositions and shaped articles comprising or produced from the compositions. The compositions can comprise (a) at least one polypropylene polymer and (b) at least one E/X/Y copolymer wherein E comprises ethylene; X is a monomer such as vinyl acetate and alkyl (meth)acrylic esters; and Y is one or more additional comonomers such as carbon monoxide; sulfur dioxide; acrylonitrile; maleic anhydride; maleic acid diesters; (meth)acrylic acid, maleic acid, maleic acid monoesters, itaconic acid, fumaric acid, fumaric acid monoester, and salts thereof; glycidyl acrylate, glycidyl methacrylate, and glycidyl vinyl ether in which, based on the E/X/Y copolymer, X is from 0 to 50 weight %, Y is from 0 to 35 weight % of said, X and Y cannot both be 0%, and E is the remainder.
    • 公开了包含或由组合物制备的组合物和成型制品。 组合物可以包含(a)至少一种聚丙烯聚合物和(b)至少一种E / X / Y共聚物,其中E包含乙烯; X是单体如乙酸乙烯酯和(甲基)丙烯酸烷基酯; 并且Y是一种或多种另外的共聚单体如一氧化碳; 二氧化硫; 丙烯腈 马来酐; 马来酸二酯; (甲基)丙烯酸,马来酸,马来酸单酯,衣康酸,富马酸,富马酸单酯及其盐; 丙烯酸缩水甘油酯,甲基丙烯酸缩水甘油酯和缩水甘油基乙烯基醚,其中基于E / X / Y共聚物,X为0至50重量%,Y为所述X为0至35重量%,X和Y不能均为0 %,E为余数。
    • 6. 发明申请
    • Modifying Polyoxymethylene Imidized Acrylic Resins
    • 改性聚甲醛酰亚胺树脂
    • US20130137811A1
    • 2013-05-30
    • US13306806
    • 2011-11-29
    • Xiyun Serene FanRamabhadra Ratnagiri
    • Xiyun Serene FanRamabhadra Ratnagiri
    • C08L59/02C08L59/04C08L33/12
    • C08L59/02C08F8/48C08L59/04C08L33/24C08F8/32C08F8/12C08F120/14C08F8/14
    • Described herein are compositions comprising (a) 92 to 99 weight percent, of polyoxymethylene with number average molecular weight from 65,000 to 250,000 g/mole; and (b) 1 to 8 weight percent of an imidized acrylic resin obtained by treating an acrylic polymer with a monoalkyl amine, wherein the weight percents of a and b are based on their combined weight, and monoalkyl group has from one to five carbon atoms, the degree of imidization is 20% to 100% and the acid level is from 0 to about 2 weight percent of the imidized acrylic resin. The composition has significantly higher heat deflection temperature than the neat polyoxymethylene.Processes of increasing heat deflection temperature of POM compositions described herein by blending (a) and (b), wherein the resultant melt-mixed composition has a 200% increase or greater in time to 5% creep strain relative to the same melt-mixed composition lacking (b).
    • 本文描述的是包含(a)92至99重量%的数均分子量为65,000至250,000g /摩尔的聚甲醛的组合物; 和(b)1至8重量%的通过用单烷基胺处理丙烯酸类聚合物而得到的酰亚胺化丙烯酸树脂,其中a和b的重量百分比基于其组合重量,单烷基具有1至5个碳原子 酰亚胺化度为20%〜100%,酸度为酰亚胺化丙烯酸树脂的0〜2%。 该组合物具有比纯聚甲醛显着更高的热变形温度。 通过混合(a)和(b),增加本文所述的POM组合物的热变形温度的方法,其中所得熔体混合组合物相对于相同的熔融混合组合物在5%蠕变应变时间上具有200%增加或更大 缺乏(b)。
    • 7. 发明申请
    • POLYOXYMETHYLENE MODIFIED WITH IMIDIZED ACRYLIC RESINS
    • 用改性丙烯酸树脂改性的聚甲基乙烯
    • US20130136881A1
    • 2013-05-30
    • US13306757
    • 2011-11-29
    • Xiyun Serene FanRamabhadra Ratnagiri
    • Xiyun Serene FanRamabhadra Ratnagiri
    • C08L59/02C08L33/08C08L33/12
    • C08L59/04C08L59/02Y10T428/1352Y10T428/139Y10T428/1397Y10T428/31909Y10T428/31935C08L33/24
    • Described herein are compositions comprising (a) 92 to 99 weight percent, of polyoxymethylene with number average molecular weight from 65,000 to 250,000 g/mole; and (b) 1 to 8 weight percent of an imidized acrylic resin obtained by treating an acrylic polymer with a monoalkyl amine, wherein the weight percents of a and b are based on their combined weight, and monoalkyl group has from one to five carbon atoms, the degree of imidization is 20% to 100% and the acid level is from 0 to about 2 weight percent of the imidized acrylic resin. The composition has significantly higher heat deflection temperature than the neat polyoxymethylene. Processes of increasing heat deflection temperature of POM compositions are described herein by blending (a) and (b), wherein the resultant melt-mixed composition has a 200% increase or greater in time to 5% creep strain relative to the same melt-mixed composition lacking (b).
    • 本文描述的是包含(a)92至99重量%的数均分子量为65,000至250,000g /摩尔的聚甲醛的组合物; 和(b)1至8重量%的通过用单烷基胺处理丙烯酸类聚合物而得到的酰亚胺化丙烯酸树脂,其中a和b的重量百分比基于其组合重量,单烷基具有1至5个碳原子 酰亚胺化度为20%〜100%,酸度为酰亚胺化丙烯酸树脂的0〜2%。 该组合物具有比纯聚甲醛显着更高的热变形温度。 本文通过混合(a)和(b)来描述增加POM组合物的热变形温度的方法,其中所得熔体混合组合物相对于相同的熔融混合物在时间上具有200%增加或更大的5%蠕变应变 组成缺乏(b)。