CN100537664C - 基于聚酰胺的聚合物共混物 - Google Patents
基于聚酰胺的聚合物共混物 Download PDFInfo
- Publication number
- CN100537664C CN100537664C CN03822572.7A CN03822572A CN100537664C CN 100537664 C CN100537664 C CN 100537664C CN 03822572 A CN03822572 A CN 03822572A CN 100537664 C CN100537664 C CN 100537664C
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- China
- Prior art keywords
- composition
- acid
- polymeric amide
- component
- vinyl
- Prior art date
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- 239000004952 Polyamide Substances 0.000 title abstract description 4
- 229920002647 polyamide Polymers 0.000 title abstract description 4
- 229920002959 polymer blend Polymers 0.000 title 1
- 239000000203 mixture Substances 0.000 claims abstract description 58
- 239000000126 substance Substances 0.000 claims abstract description 11
- 239000000945 filler Substances 0.000 claims abstract description 6
- 239000000178 monomer Substances 0.000 claims description 34
- -1 vinyl aromatic compounds Chemical class 0.000 claims description 24
- 150000001408 amides Chemical class 0.000 claims description 21
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 20
- 239000003795 chemical substances by application Substances 0.000 claims description 20
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 18
- 229920002554 vinyl polymer Polymers 0.000 claims description 17
- 239000011159 matrix material Substances 0.000 claims description 16
- 238000002360 preparation method Methods 0.000 claims description 14
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 10
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 10
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 9
- 239000005977 Ethylene Substances 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 9
- 239000005060 rubber Substances 0.000 claims description 9
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims description 7
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 239000003063 flame retardant Substances 0.000 claims description 6
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 6
- BKIMMITUMNQMOS-UHFFFAOYSA-N nonane Chemical compound CCCCCCCCC BKIMMITUMNQMOS-UHFFFAOYSA-N 0.000 claims description 6
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- 229920001169 thermoplastic Polymers 0.000 claims description 6
- 239000000654 additive Substances 0.000 claims description 5
- 125000003118 aryl group Chemical group 0.000 claims description 5
- 150000004985 diamines Chemical class 0.000 claims description 5
- 229920000578 graft copolymer Polymers 0.000 claims description 5
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 claims description 5
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 5
- 239000005995 Aluminium silicate Substances 0.000 claims description 4
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- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 4
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 claims description 4
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- 235000012211 aluminium silicate Nutrition 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000010445 mica Substances 0.000 claims description 4
- 229910052618 mica group Inorganic materials 0.000 claims description 4
- 229920005559 polyacrylic rubber Polymers 0.000 claims description 4
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052882 wollastonite Inorganic materials 0.000 claims description 4
- 239000010456 wollastonite Substances 0.000 claims description 4
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 3
- BAPJBEWLBFYGME-UHFFFAOYSA-N acrylic acid methyl ester Natural products COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 3
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- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 claims description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 2
- 150000008065 acid anhydrides Chemical class 0.000 claims description 2
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims description 2
- QYQADNCHXSEGJT-UHFFFAOYSA-N cyclohexane-1,1-dicarboxylate;hydron Chemical compound OC(=O)C1(C(O)=O)CCCCC1 QYQADNCHXSEGJT-UHFFFAOYSA-N 0.000 claims description 2
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 claims description 2
- 239000003365 glass fiber Substances 0.000 claims description 2
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 2
- 230000011218 segmentation Effects 0.000 claims description 2
- 150000003673 urethanes Chemical class 0.000 claims description 2
- 125000005907 alkyl ester group Chemical group 0.000 claims 1
- SBMYQWQSJLVTJO-UHFFFAOYSA-N cyclohexyl-(1-methylcyclohexyl)methanediamine Chemical compound C1CCCCC1C(N)(N)C1(C)CCCCC1 SBMYQWQSJLVTJO-UHFFFAOYSA-N 0.000 claims 1
- 229920000642 polymer Polymers 0.000 abstract description 23
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract description 7
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract description 3
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- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 abstract 1
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- 238000000465 moulding Methods 0.000 description 10
- 229920001897 terpolymer Polymers 0.000 description 9
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 7
- 239000000206 moulding compound Substances 0.000 description 7
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 229920002943 EPDM rubber Polymers 0.000 description 5
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 5
- 239000002250 absorbent Substances 0.000 description 5
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Substances C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 5
- 238000004132 cross linking Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 description 4
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 4
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical compound CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 4
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- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
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- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
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- BJELTSYBAHKXRW-UHFFFAOYSA-N 2,4,6-triallyloxy-1,3,5-triazine Chemical compound C=CCOC1=NC(OCC=C)=NC(OCC=C)=N1 BJELTSYBAHKXRW-UHFFFAOYSA-N 0.000 description 2
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- 239000004953 Aliphatic polyamide Substances 0.000 description 2
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- 125000004122 cyclic group Chemical group 0.000 description 2
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- 230000033116 oxidation-reduction process Effects 0.000 description 1
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Abstract
本发明涉及在包含下列成分的组合物:A)4-90重量份的聚酰胺;B)0.5-50重量份的冲击改性剂;(C)0-50重量份的填料和增强物质;(D)0.1-15重量份的酚醛树脂或不同于酚醛树脂并具有至少2个酚羟基和的低聚或聚合化合物,其中所有组分的重量份的总和等于100。
Description
本发明涉及基于冲击改性的聚酰胺组合物和涉及由其生产的模制件。
冲击改性的聚酰胺模塑组合物的主要优点是它们突出的化学耐性和高耐热性。这些模塑组合物,特别是基于脂族聚酰胺,例如PA-66和PA-6的那些,因此特别适合用于外部车体部件。
进一步的重要性质是生产的模制件的尺寸稳定性。在这方面聚酰胺的吸水性被看作是破坏性的,导致了塑料材料特性的改变,特别是尺寸稳定性。尽管存在的聚酰胺吸收了少量的水或未吸水(PA11,PA12,部分芳族共聚酰胺),他们的耐热性是不足够的,在一些情况下它们太脆,并且它们在任何情况下比PA-6和PA-66更昂贵。
为了减少在热塑性模塑组合物中的脂族聚酰胺,例如聚酰胺-6和聚酰胺-66或相应的共聚酰胺的吸湿性通常添加疏水剂。
US-A 5 670 576描述了聚苯醚(PPE)和聚酰胺的共混物,为了降低吸水性其配备了线型酚醛树脂。该专利说明书还提到要求保护的模塑组合物的良好的阻燃性;关于热膨胀系数未陈述。
US-A 4 970 272描述了其中添加了酚疏水剂的聚酰胺-PPE共混物。描述了低的吸水性而良好的机械性能保持未变。
US 4 849 474描述了与酚添加剂一起提供并具有低吸水性的聚酰胺。未提到酚醛树脂。
EP-A 0 240 887描述了由聚酰胺,橡胶和双酚制备的模塑组合物,其显示了通过添加剂引发的改进的自由流动性。
DE-A 32 48 329描述了为减少吸水性添加酚化合物到聚酰胺中。未提到酚醛树脂。
本发明的目标是提供聚酰胺模塑组合物,其具有低吸水性,低热膨胀和低模塑收缩率(Verarbeitungsschwindung)。另外,当吸水时弹性模量的减少应被减少到最小。根据本发明的组合物具有所希望的特性。
因此本发明提供了包含下列成分的聚合物组合物
(A)40-90,优选45-85,特别优选45-75重量份的聚酰胺
(B)0.5-50,优选1-30,特别优选1-25,极特别4-25重量份的冲击改性剂
(C)0-50重量份,优选7-40,特别10-35重量份的填料和增强材料和
(D)0.1-15,优选1-12,特别优选2-8重量份的酚醛树脂或具有至少2个酚OH基和不同于酚醛树脂的低聚或聚合化合物。
根据本发明的组合物可以进一步包含
(E)相容性促进剂和/或
(F)乙烯基(共)聚物。
已经发现具有以上组成的塑料材料具有比不具有组分(D)的组合物更低的吸水性,在调节状态下,与其它疏水剂的热线性膨胀系数相比低得多的热线性膨胀系数,和更低的模塑收缩率和更高的模量。
组分A
根据本发明合适的聚酰胺是已知的均聚酰胺,共聚酰胺和这些聚酰胺的混合物。这些可以是部分结晶的和/或无定形的聚酰胺。聚酰胺-6,聚酰胺-66,混合物和由这些组分制备的相应共聚物作为部分结晶的聚酰胺是合适的。进一步地,考虑部分结晶的聚酰胺,其酸性组分全部或部分地包含对苯二甲酸和/或间苯二甲酸和/或辛二酸和/或癸二酸和/或壬二酸和/或己二酸和/或环己烷二羧酸,其二胺组分全部或部分地包含间-和/或对-苯二甲胺和/或六亚甲基二胺和/或2,2,4-三甲基六亚甲基二胺和/或2,4,4-三甲基六亚甲基二胺和/或异佛而酮二胺并且其组成原则上是已知的。
并且,全部或部分由环上具有7-12个C原子的内酰胺制备,任选共同使用一种或多种以上提到的初始组分的聚酰胺应该被提到。
特别优选的部分结晶的聚酰胺是聚酰胺-6和聚酰胺-66和其混合物。已知的产品可以用作无定形聚酰胺。它们通过二胺,例如乙二胺,六亚甲基二胺,癸二胺,2,2,4-和/或2,4,4-三甲基六亚甲基二胺,间-和/或对-苯二甲胺,双(4-氨基环己基)甲烷,双(4-氨基环己基)丙烷,3,3′-二甲基-4,4′-二氨基二环己基甲烷,3-氨基甲基-3,5,5-三甲基环己胺,2,5-和/或2,6-双(氨基甲基)降冰片烷和/或1,4-二氨基甲基环己烷与二羧酸,例如草酸,己二酸,壬二酸,癸烷二羧酸,十七烷二羧酸,2,2,4-和/或2,4,4-三甲基己二酸,间苯二甲酸和对苯二甲酸的缩聚制备。
通过多种单体的缩聚获得的共聚物也是合适的,进一步地,通过添加氨基羧酸,例如ε-氨基己酸,ω-氨基十一烷酸或ω-氨基月桂酸或其内酰胺制备的共聚物也是合适的。
特别合适的无定形聚酰胺是由间苯二甲酸,六亚甲基二胺和进一步的二胺,例如4,4-二氨基二环己基甲烷,异佛而酮二胺,2,2,4-和/或2,4,4-三甲基六亚甲基二胺,2,5-和/或2,6-双(氨基甲基)降冰片烯;或由间苯二甲酸,4,4′-二氨基二环己基甲烷和4,4′-二氨基己内酰胺;或由间苯二甲酸,3,3′-二甲基-4,4′-二氨基二环己基甲烷和月桂内酰胺;或由对苯二甲酸和2,2,4-和/或2,4,4-三甲基六亚甲基二胺的异构体混合物制备的那些聚酰胺。
代替纯的4,4′-二氨基二环己基甲烷,也可以使用位置异构的二氨基二环己基甲烷的混合物,其由以下组成
70-99mol.%的4,4′-二氨基异构体
1-30mol.%的2,4′-二氨基异构体
0-2mol.%的2,2′-二氨基异构体任选对应于通过工业(technischer)级的二胺基二苯基甲烷的氢化获得的更高度缩合的二胺。最高30%的间苯二甲酸可以被对苯二甲酸替换。
可以单独或以任何的混合物使用聚酰胺。
聚酰胺优选具有2.0-5.0,特别优选2.5-4.0的相对粘度(在25℃下在1wt.%的间-甲酚溶液中测量)。
组分B
一种或多种组分,例如共聚物和/或接枝聚合物,可以用作组分B。在接枝聚合物的情况下,这些优选是
B.15-95,优选30-90wt.%的至少一种乙烯基单体
在
B.295-5,优选70-10wt.%的一种或多种具有玻璃化转变温度<10℃,优选<0℃,特别优选<-20℃的接枝基体上的接枝聚合物。
接枝基体B.2通常具有0.05-5μm,优选0.10-2μm,特别优选0.20-1μm,更特别0.2-0.5μm的平均颗粒尺寸(d50值).
优选单体B.1是
B.1.150-99wt.%的乙烯基芳族化合物和/或在环上取代的乙烯基芳族化合物(例如,苯乙烯,α-甲基苯乙烯,对-甲基苯乙烯,对-氯苯乙烯)和/或(甲基)丙烯酸-(C1-C8)烷基酯(例如,甲基丙烯酸甲酯,甲基丙烯酸乙酯)
和
B.1.21-50wt.%的乙烯基氰(不饱和的腈,例如丙烯腈和甲基丙烯腈)和/或(甲基)丙烯酸-(C1-C8)烷基酯(例如,甲基丙烯酸甲酯,丙烯酸正-丁基酯,丙烯酸叔-丁基酯)和/或不饱和羧酸的衍生物(例如酸酐和酰亚胺)(例如马来酸酐和N-苯基马来酰亚胺)的混合物。
优选的单体B.1.1选自单体苯乙烯,α-甲基苯乙烯和甲基丙烯酸甲酯中的至少一种,优选的单体B.1.2选自单体丙烯腈,马来酸酐和甲基丙烯酸甲酯中的至少一种。
特别优选的单体是B.1.1苯乙烯和B.1.2丙烯腈。
适合于接枝聚合物B的接枝基体B.2是,例如,二烯橡胶,EP(D)M橡胶,这就是说基于乙烯/丙烯和任选二烯的那些,聚丙烯酸酯橡胶,聚氨酯橡胶,硅橡胶,氨丁橡胶和乙烯/乙酸乙烯基酯橡胶。
优选的接枝基体B.2是二烯橡胶。在本发明的意思中二烯橡胶理解为包括例如基于丁二烯,异戊二烯等的二烯橡胶,或二烯橡胶的混合物,或二烯橡胶的共聚物或其与进一步的可共聚单体(例如根据B.1.1和B.1.2)的混合物,优选丁二烯-苯乙烯共聚物,前提条件是组分B.2的玻璃化转变温度是<10℃,优选<0℃,特别优选<-10℃。
特别优选纯的聚丁二烯橡胶。
特别优选的聚合物B是,例如ABS聚合物(乳液,本体和悬浮ABS),例如在DE-OS 2 035 390(=US-PS 3 644 574)或在DE-OS 2 248242(=GB-PS 1 409 275)或在Ullmann, der TechnischenChemie,19卷(1980)280页及以下中描述的。接枝基体B.2的凝胶含量是至少30wt.%,优选至少40wt.%(在甲苯溶液中测定)。
接枝共聚物B通过自由基聚合,例如通过乳液,悬浮,溶液或本体聚合,优选通过乳液聚合或本体聚合制备。
特别合适的接枝橡胶也是通过以引发剂体系引发氧化还原制备的ABS聚合物,根据US-A 4 937 285该引发剂系统由有机氢过氧化物和抗坏血酸制备。
因为已知在接枝反应中接枝单体未必完全接枝到接枝基体上,根据本发明接枝聚合物B也理解为包括在接枝基体存在的条件下通过接枝单体的(共)聚获得的和例如在后处理中共生的产物。
根据聚合物B的B.2合适的聚丙烯酸酯橡胶优选是由丙烯酸烷基酯制备的聚合物,任选具有最高40wt.%的其它可聚合的烯键不饱和单体,相对于B.2.优选的可聚合的丙烯酸酯包括C1-C8烷基酯,例如甲基,乙基,丁基,正-辛基和2-乙基己基酯;卤代烷基酯,优选卤代-C1-C8烷基酯,例如氯乙基丙烯酸酯和这些单体的混合物。
为了交联的目的,可以共聚具有多于一个可聚合双键的单体。优选的交联单体的例子是具有3-8个C原子的不饱和一羧酸和具有3-12个碳原子的不饱和一元醇或具有2-4个OH基团和2-20个C原子的不饱和多羟基化合物的酯,例如乙二醇二甲基丙烯酸酯,烯丙基甲基丙烯酸酯;具有多个不饱和杂环的化合物,例如三乙烯基和三烯丙基氰脲酸酯;多官能的乙烯基化合物,例如二乙烯基苯和三乙烯基苯;但也可以是三烯丙基磷酸酯和二烯丙基邻苯二甲酸酯。
优选的交联单体是具有至少3个烯键不饱和基团的烯丙基甲基丙烯酸酯,乙二醇二甲基丙烯酸酯,二烯丙基邻苯二甲酸酯和杂环化合物。
特别优选的交联单体是环状单体三烯丙基氰脲酸酯,三烯丙基异氰脲酸酯,三丙烯酰六氢-s-三嗪,三烯丙基苯。交联单体的量优选0.02-5,特别0.05-2wt。%,相对于接枝基体B.2。
在具有至少3个烯键不饱和基团的环状交联单体的情况下,限制量少于接枝基体B.2的1wt.%是有利的。
除了丙烯酸酯可以任选用于制备接枝基体B.2的优选的“其它”可聚合的烯键不饱和单体是,例如丙烯腈,苯乙烯,α-甲基苯乙烯,丙烯酰胺,乙烯基-C1-C6-烷基醚,甲基丙烯酸甲酯,丁二烯。作为接枝基体B.2优选的聚丙烯酸酯橡胶是具有至少60wt.%凝胶含量的乳液聚合物。
根据B.2进一步合适的接枝基体是具有接枝-活性位置的硅橡胶,例如在DE-OS 3 704 657,DE-OS 3 704 655,DE-OS 3 631 540和DE-OS 3 631 539中描述的。
接枝基体B.2的凝胶含量在25℃下在合适的溶剂中测定(M.Hoffmann,H.,R.Kuhn,Polymeranalytik I和II,GeorgThieme-Verlag,Stuttgart 1977)。
平均颗粒尺寸d50是分别有50wt.%的颗粒处于其以上和以下的直径。它可以通过超离心方法测定(W.Scholtan.H.Lange,Kolloid-Z.和Z.Polymere 250(1972),782-1796)。
下文中提供了对于B可考虑的橡胶弹性的聚合物。
这种聚合物,例如,在Houben-Weyl,Methoden der organischenChemie,14/1卷(Georg Thieme-Verlag,Stuttgart 1961)中和在392-406页的专论,“增韧塑料(Toughed Plastics)”(应用科学出版社(Applied Science Publishers),伦敦,1977)中作了描述。
优选的弹性体是所谓的乙烯-丙烯(EPM)或乙烯-丙烯-二烯(EPDM)橡胶。
通常EPM橡胶几乎不再具有双键,然而EPDM橡胶可以具有1-20双键/100C原子。
对于EPDM橡胶的二烯单体例如可以提到以下物质:共轭二烯,例如异戊二烯和丁二烯,具有5-25个C原子的非-共轭二烯,例如戊-1,4-二烯,己-1,4-二烯,己-1,5-二烯,2,5-二甲基己-1,5-二烯和2,5-二甲基辛-1,4-二烯,环状二烯,例如环戊二烯,环己二烯,环辛二烯和二环戊二烯和链烯基降冰片烯,例如5-乙叉基(Ethyliden)-2-降冰片烯,5-丁叉基-2-降冰片烯,2-甲代烯丙基-5-降冰片烯,2-异丙烯基-5-降冰片烯和三环二烯,例如3-甲基-三环(5.2.1.0.2.6)-3,8-癸二烯或其混合物。优选己-1,5-二烯,5-乙叉基降冰片烯和二环戊二烯。EPDM橡胶的二烯含量优选0.5-50,特别1-8wt.%,基于橡胶的总重量。
EPM或EPDM橡胶也优选用活性羧酸或其衍生物接枝。例如丙烯酸,甲基丙烯酸和其衍生物,例如缩水甘油基(甲基)丙烯酸酯,以及马来酸酐可以在下上文中提到。
组分C
例如玻璃纤维,任选短切的或磨碎的,玻璃珠,玻璃球,片状形式的增强材料,例如高岭土,滑石,云母,硅酸盐,石英,滑石,二氧化钛,硅灰石,云母,碳纤维或其混合物是可以包括的填料和增强材料的例子。优选短切的或磨碎的玻璃纤维用作增强材料。玻璃球,云母,硅酸盐,石英,滑石,二氧化钛,硅灰石和高岭石是也可以具有增强效果的优选填料。特别优选高岭土,滑石和硅灰石。
组分D
根据本发明合适的树脂是已知的或可以通过文献已知的方法制备。
根据本发明的树脂通过酚和醛,优选甲醛的缩合反应,通过由其产生的缩合物的衍生或通过酚与不饱和化合物,例如,乙炔,萜等的加成反应制备。
这里缩合可以是酸性的或碱性的,醛与酚的摩尔比可以是1:0.4-1:2.0.这里,生成具有通常150-5000g/mol分子量的低聚物或聚合物。
组分E
作为合适的相容性促进剂E)优选具有极性基团的热塑性聚合物。
根据本发明,优选使用包含以下成分的聚合物
E.1 乙烯基芳族单体
E.2 至少一种选自以下的单体:C2到C12-烷基甲基丙烯酸酯,C2到C12-烷基丙烯酸酯,甲基丙烯腈和丙烯腈
和
E.3 包含二羧酸酸酐的α,β-不饱和组分。
特别优选苯乙烯作为乙烯基芳族单体E.1。
对于组分E.2特别优选丙烯腈。
对于包含二羧酸酸酐的α,β-不饱和组分E。3特别优选马来酸酐。
所述的单体的三元共聚物优选用作组分E.1,E.2和E.3。因此,优选使用苯乙烯,丙烯腈和马来酸酐的三元共聚物。这些三元共聚物特别有助于改进机械性能,例如拉伸强度和耐候性。在三元共聚物中马来酸酐的量可以在广的限度内变化。量优选0.2-5mol.%.在组分E.1中特别优选包含0.5-1.5mol.%的量。就拉伸强度和耐候性而言在此范围内取得了特别好的机械性能。
三元共聚物可以以本身已知的方式制备。合适的方法是在合适的溶剂,例如甲基乙基酮(MEK)中溶解三元共聚物的单体组分,例如苯乙烯,马来酸酐或丙烯腈。添加一种或任选多种化学引发剂到此溶液中。合适的引发剂是例如过氧化物。之后在升温下混合物被聚合几小时。之后以本身已知的方式除去溶剂和未反应的单体。
组分E.1(乙烯基芳族单体)与组分E.2的比率,例如在三元共聚物中的丙烯腈单体,优选80:20-50:50。为了改进三元共聚物与接枝共聚物B的混溶性,乙烯基芳族单体E.1的量优先选择,其对应于在接枝共聚物B中乙烯基单体B.1的量。
根据本发明在聚合物共混物中组分E的量是0.5-50重量份,优选1-30重量份,特别优选2-10重量份。最优选3-7重量份的量。
例如,这种聚合物在EP-A-785 234和EP-A-202 214中作了描述。根据本发明特别地优选在EP-A-202 214中提到的聚合物。
组分F
组分F包含一种或多种热塑性乙烯基(共)聚物。
至少一种下列单体的聚合物作为乙烯基(共)聚物是合适的:乙烯基芳族化合物,乙烯基氰(不饱和的腈)和甲基丙烯酸-(C1-C8)烷基酯。下列单体的(共)聚物是特别合适的:
F.1 50-99,优选60-80wt.%的乙烯基芳族化合物和/或在环上取代的乙烯基芳族化合物(例如,苯乙烯,α-甲基苯乙烯,对-甲基苯乙烯,对-氯苯乙烯)和/或甲基丙烯酸-(C1-C8)烷基酯(例如,甲基丙烯酸甲酯,甲基丙烯酸乙酯),和
F.2 1-50,优选20-40wt.%的乙烯基氰(不饱和的腈),例如丙烯腈和甲基丙烯腈和/或甲基丙烯酸-(C1-C8)烷基酯(例如,甲基丙烯酸甲酯,正-丁基丙烯酸酯,叔-丁基丙烯酸酯)。
(共)聚物F是树脂的,热塑性的和不含橡胶的。
特别优选F.1苯乙烯和F.2丙烯腈的共聚物。
根据F的(共)聚物是已知的并可以通过自由基聚合,特别是通过乳液,悬浮,溶液或本体聚合制备。(共)聚物优选具有15 000-200000的分子量Mw(重均,通过光散射或沉淀测定)。
在根据本发明的聚合物共混物中根据组分F的(共)聚物的量通常最高30重量份,优选最高20重量份,特别最高10重量份。
组分G
根据本发明的聚合物共混物可以包含常规添加剂,例如阻燃剂,抗滴剂,细分的不同于组分C的无机化合物,润滑剂和脱模剂,成核剂,抗静电剂,稳定剂,染料和颜料。
根据本发明的聚合物共混物通常可以包含0.01-20wt.%的阻燃剂,基于总的模塑组合物。例如,有机卤代化合物,例如十溴双-苯基醚,四溴双酚,无机卤代化合物,例如溴化铵,氮化合物,例如三聚氰胺,三聚氰胺-甲醛树脂,无机氢氧化物化合物,例如Mg-Al氢氧化物,无机化合物,例如氧化铝,二氧化钛,一氧化锑,偏硼酸钡,羟基锑酸盐,氧化锆,氢氧化锆,氧化钼,钼酸铵,硼酸锡,硼酸铵,偏硼酸钡和氧化锡和硅氧烷化合物可作为阻燃剂的例子提到。
磷化合物,例如在EP-A-363 608,EP-A-345 522或EP-A-640 655中描述的进一步的磷化合物也可以用作阻燃剂化合物。
在本申请中所有涉及的重量份的数据是标准化的,这样在组合物中所有组分的重量份的总和是100。
根据本发明的模塑组合物按如下方式制备:混合各个组分和在常规装置,例如内部混合机,挤出机和双螺杆装置中通过以已知的方式在200℃-300℃的温度下熔融混炼和熔融挤出,所说组合物包含组分A)-F)和任选进一步的已知的添加剂,例如稳定剂,染料和颜料,润滑剂和脱模剂,成核剂和抗静电剂。
可以以已知的方式实施各个组分的混合,既以连续的方式又以同步的方式,既在大约20℃(室温)下又在升温下。
本发明的聚合物共混物可以用于制备任何类型的模制体或模制件。特别地模制体可以通过注模生产。可制备的模制体的例子是所有类型的壳部件,例如家用电器,例如榨汁机,咖啡机,混合器,办公设备,例如计算机,打印机,监测器或建筑部门用的的盖板和汽车制造部门用的部件。
聚合物共混物特别适合于要求具有特别高的抗热性,拉伸强度和抗应力开裂的模制件的生产。
本发明也提供了聚合物共混物用于生产模制件的应用,和由其可获得的模制件。
在下文中参考一些实施例更详尽地描述了本发明。
实施例
使用的组分:
A1:聚酰胺-66(A3,BASF AG,Ludwigshafen,德国)
A2:己内酰胺和AH盐的共聚酰胺,具有4-6wt.%产生的总PA-66单位含量,2.8-3.1的ηrel,在25℃下在间-甲酚的1wt.%溶液中测定
A3:聚酰胺-6:Durethan B35F,Bayer AG,3.5-3.7的ηrel,在25℃下在间-甲酚的1wt.%溶液中测定
B1:40重量份的以73:27的比率的苯乙烯和丙烯腈共聚物在60重量份的粒子交联的聚丁二烯橡胶上的接枝聚合物(平均颗粒直径d50=0.3μm),通过乳液聚合制备
C1:Naintsch A3(Naintsch Mineralwerke GmbH,Graz,奥地利),根据生产商的数据具有1.2μ的平均颗粒直径(d50)的滑石
C2:高岭土(Polarite 102A,从Imerys矿物有限公司(ImerysMinerals Ltd.),英格兰,煅烧的或硅烷化过的高岭石)
D1:Rhenosin RB(酚醛树脂),Rhein Chemie Rheinau GmbH,曼海姆
D2:双酚A,Bayer AG
E:相容性促进剂:包含1mol.%马来酸酐的苯乙烯和丙烯腈(重量比2.1:1)的三元共聚物
F:具有72:28的苯乙烯:丙烯腈重量比和0.55dl/g的特性粘度的苯乙烯/丙烯腈共聚物(在20℃下在二甲基甲酰胺中测定)
G1:脱模剂
G7:从Fa.Colloids的碳黑母炼胶UN 2014(在聚烯烃中50%母炼胶)
根据本发明的模塑组合物按如下制备:以已知方式混合各个组分,和在常规装置,例如内部混合机,挤出机和双螺杆装置中在200-300℃的温度下熔融混炼和熔融挤出。
以已知的方式实施各个组分的混合,既以连续的方式又以同步的方式,既在大约20℃(室温)下又在升温下。
所指的弹性模量值用三点弯曲试验测定,该试验在80 x 10 x 4mm3的测试样品上进行。收缩率(Schwindungs)在150 x 105 x 3mm3的矩形片上测定,该矩形片在500bar的保持压力下在80℃的模压温度下注模。
表1
*在23℃至55℃下测定
表1中的数据清楚地显示就在调节状态下的弹性模量和线性膨胀系数而言,疏水剂D1的使用比具有相同的D2含量(wt.%)的配方具有优点。
与不具有疏水剂的模塑组合物相比,根据ISO 1110调节的吸湿性降低了,进一步地试验1也显示了在调节状态下比试验2高的弹性模量。进一步地,试验1和试验V1均显示比实验V2改进的膨胀系数。
表2
#在-20℃至23℃下测定
表2中的数据证明与包含疏水剂D2的V3相比,就在调节状态下的弹性模量,膨胀系数和模塑收缩率而言,根据本发明的包含疏水剂D1的组合物2取得取得了显著的优点。
表3
#在-20℃至23℃下测定
表3中的数据证明与包含疏水剂D2的V3相比,就在调节状态下的弹性模量,膨胀系数和模塑收缩率而言,根据本发明的包含疏水剂D1的组合物3取得取得了显著的优点。
表4
#在-20℃至23℃下测定
V=比较
表4中的数据证明与包含疏水剂D2的V5相比,就膨胀系数和模塑收缩率而言,根据本发明的包含疏水剂D1的组合物4取得取得了显著的优点。
Claims (16)
1.包含以下成分的组合物
(A)40-90重量份的聚酰胺
(B)0.5-50重量份的冲击改性剂
(C)0-50重量份的填料和增强材料和
(D)0.1-15重量份的酚醛树脂,
其中所有组分的重量份的总和是100。
2.根据权利要求1的组合物,其包含至少一种选自以下的进一步的组分
(E)相容性促进剂和
(F)乙烯基聚合物。
3.根据权利要求1的组合物,其包含至少一种选自下列的聚酰胺:聚酰胺-6,聚酰胺-66,聚酰胺-6或聚酰胺-66的共聚酰胺,其酸性组分全部或部分选自对苯二甲酸,间苯二甲酸,辛二酸,癸二酸,壬二酸,己二酸和环己烷二羧酸中的至少一种酸和其二胺组分全部或部分选自间-甲基二氨基二环己基甲烷和月桂内酰胺的聚酰胺或由选自对苯二甲酸和2,2,4-和/或2,4,4-三甲基六亚甲基二胺异构体混合物得到的聚酰胺。
4.根据权利要求3的组合物,其包含聚酰胺-6,聚酰胺-66或其共聚酰胺或其混合物。
5.根据权利要求1的组合物,其包含5-95wt.%的至少一种乙烯基单体B.1在95-5wt.%的一种或多种具有玻璃化转变温度<10℃的接枝基体B.2上的接枝聚合物组分B)。
6.根据权利要求5的组合物,其包含通过以下聚合获得的接枝聚合物组分B)
B.1.1 50-99wt.%的至少一种选自乙烯基芳族化合物,在环上取代的乙烯基芳族化合物和(甲基)丙烯酸-(C1-C8)烷基酯的单体
和
B.1.2 1-50wt.%的至少一种选自乙烯基氰,(甲基)丙烯酸-(C1-C8)烷基酯和酸酐和酰亚胺的单体,在
B.2至少一种选自下列的接枝基体:二烯橡胶,乙烯-丙烯橡胶,乙烯-丙烯-二烯橡胶,聚丙烯酸酯橡胶,聚氨酯橡胶,硅橡胶,氯丁橡胶和乙烯/乙酸乙烯基酯橡胶上聚合。
7.根据权利要求6的组合物,其中接枝基体选自聚丁二烯或具有作为共聚单体的苯乙烯和/或(甲基)丙烯酸甲酯的丁二烯共聚物。
8.根据权利要求1的组合物,其包含作为组分B)的乙烯-丙烯或乙烯-丙烯-二烯橡胶。
9.根据权利要求1的组合物,其包含作为组分C)的至少一种选自玻璃纤维,玻璃球,云母,硅酸盐,高岭土,滑石,硅灰石的填料和增强材料。
10.根据权利要求1的组合物,其包含作为组分E)的热塑性聚合物,该聚合物包含
E.1乙烯基芳族单体
E.2至少一种选自以下的单体:C2到C12-烷基甲基丙烯酸酯,C2到C12-烷基丙烯酸酯,甲基丙烯腈和丙烯腈
和
E.3包含二羧酸酸酐的α,β-不饱和组分。
11.根据权利要求10的组合物,其包含由苯乙烯,丙烯腈和马来酸酐制备的作为组分E)的热塑性聚合物。
12.根据权利要求1的组合物,其包含作为组分F)的以下的乙烯基聚合物
F.1 50-99wt.%的乙烯基芳族化合物和/或在环上取代的乙烯基芳族化合物和/或(甲基)丙烯酸-(C1-C8)烷基酯,
和
F.2 1-50wt.%的乙烯基氰和/或(甲基)丙烯酸-(C1-C8)烷基酯。
13.根据权利要求1的组合物,其包含选自下列至少一种的添加剂:阻燃剂,抗滴剂,细分的无机化合物,润滑剂和脱模剂,成核剂,抗静电剂,稳定剂,染料和颜料。
14.根据权利要求1的组合物的制备方法,其中将各个组分混合并且在升温下混炼。
15.根据权利要求1的组合物在生产模制件中的应用。
16.由根据权利要求1的组合物可获得的模制件。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE10233170.7 | 2002-07-22 | ||
DE10233170A DE10233170A1 (de) | 2002-07-22 | 2002-07-22 | Polymerblends auf Basis Polyamid |
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CN1685012A CN1685012A (zh) | 2005-10-19 |
CN100537664C true CN100537664C (zh) | 2009-09-09 |
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US (1) | US20040063857A1 (zh) |
EP (1) | EP1525263A1 (zh) |
JP (1) | JP2005533886A (zh) |
KR (1) | KR100958477B1 (zh) |
CN (1) | CN100537664C (zh) |
AU (1) | AU2003281478A1 (zh) |
CA (1) | CA2493266A1 (zh) |
DE (1) | DE10233170A1 (zh) |
MX (1) | MXPA05000934A (zh) |
TW (1) | TW200413470A (zh) |
WO (1) | WO2004009706A1 (zh) |
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JP2006507402A (ja) * | 2002-11-25 | 2006-03-02 | ランクセス ドイチュラント ゲゼルシャフト ミット ベシュレンクテル ハフツング | 衝撃抵抗が改善されたポリマー組成物 |
US20050272855A1 (en) * | 2004-03-30 | 2005-12-08 | Andreas Renken | Process for coating vehicle exterior parts made from electrically conductive polyamide resin compositions |
US7666477B2 (en) * | 2004-03-30 | 2010-02-23 | E.I. Du Pont De Nemours And Company | Process for coating vehicle exterior parts comprising polyamide resins and parts and articles coated thereby |
DE102005040620A1 (de) * | 2004-10-11 | 2006-04-13 | Bayer Materialscience Ag | Glasfaserverstärkte Polymer-Zusammensetzungen |
CN100352862C (zh) * | 2005-06-22 | 2007-12-05 | 中国石油化工股份有限公司 | 低吸水率聚酰胺树脂组合物 |
FR2899236B1 (fr) * | 2006-04-04 | 2008-05-16 | Rhodia Recherches & Tech | Composition electriquement conductrice a base de matrice polyamide. |
WO2009110389A1 (ja) * | 2008-03-07 | 2009-09-11 | 旭有機材工業株式会社 | 熱硬化性樹脂組成物、繊維強化成形材料及び成形体 |
FR2929285B1 (fr) * | 2008-03-25 | 2011-07-15 | Rhodia Operations | Composition polyamide |
FR2935144B1 (fr) * | 2008-08-25 | 2011-12-16 | Rhodia Operations | Utilisation d'une resine novolaque pour augmenter la resistance aux acides d'une composition polyamide |
FI121238B (fi) * | 2008-10-01 | 2010-08-31 | Outotec Oyj | Kestokatodi |
FR2947822B1 (fr) * | 2009-07-09 | 2011-07-15 | Rhodia Operations | Article polyamide composite |
US20110207838A1 (en) * | 2010-02-25 | 2011-08-25 | E.I. Du Pont De Nemours And Company | Recycled thermoplastic with toughener |
US8304478B2 (en) | 2010-07-30 | 2012-11-06 | Sabic Innovative Plastics Ip B.V. | Polyamide/poly(arylene ether) composition, article, and method |
KR101144143B1 (ko) | 2010-08-11 | 2012-05-09 | 정경화 | 내크랙성이 우수한 미끄럼방지용 포장재 조성물 |
US8889781B2 (en) | 2011-08-22 | 2014-11-18 | E I Du Pont De Nemours And Company | Recycled thermoplastic with toughener |
CN102532877A (zh) * | 2011-12-15 | 2012-07-04 | 吴江明峰聚氨酯制品有限公司 | 一种玻璃纤维增强尼龙的制备方法 |
EP2828334A1 (de) * | 2012-03-21 | 2015-01-28 | Styrolution GmbH | Verfahren zur herstellung von thermoplastischen formmassen mit hohem glasfaser-gehalt |
CN102863786A (zh) * | 2012-09-13 | 2013-01-09 | 江苏安格特新材料科技有限公司 | 低吸水率增强聚酰胺复合物及其制备方法 |
CN103756305A (zh) * | 2014-01-20 | 2014-04-30 | 苏州新区华士达工程塑胶有限公司 | 一种改良性pa11配方 |
CN103756311A (zh) * | 2014-01-20 | 2014-04-30 | 苏州新区华士达工程塑胶有限公司 | 一种改良性pa66配方 |
JP6435851B2 (ja) * | 2014-12-22 | 2018-12-12 | 日油株式会社 | ポリアミド樹脂組成物、及び樹脂成形品 |
BR112019002526B1 (pt) | 2016-08-08 | 2022-09-27 | Ticona Llc | Composição polimérica termicamente condutora para um dissipador de calor |
CN109111737A (zh) * | 2018-08-02 | 2019-01-01 | 苏州涵轩信息科技有限公司 | 一种高强度低吸湿隔热条胶料及其制备方法 |
CN110373019A (zh) * | 2019-07-05 | 2019-10-25 | 南京欣阳新能源科技有限公司 | 一种汽车风扇用长玻纤增强尼龙塑料及其制备方法 |
CN110373018A (zh) * | 2019-07-05 | 2019-10-25 | 南京欣阳新能源科技有限公司 | 一种充电装置用阻燃长玻纤增强尼龙复合材料及其制备方法 |
CN111888978A (zh) * | 2020-06-23 | 2020-11-06 | 江苏弘盛新材料股份有限公司 | 一种吸湿性改良型尼龙6的原料混合装置及工艺 |
CN114045026A (zh) * | 2021-12-06 | 2022-02-15 | 东莞市扬涛包装材料有限公司 | 一种耐蒸煮真空袋薄膜及其制备方法 |
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DE3641497A1 (de) * | 1986-12-04 | 1988-06-16 | Basf Ag | Thermoplastische formmassen auf der basis von polyamiden und polyaryletherketonen |
DE4027402A1 (de) * | 1990-08-30 | 1992-03-05 | Bayer Ag | Dimensionsstabile, alterungsbestaendige polyamid-formmassen mit sehr guten mechanischen eigenschaften |
IT1255200B (it) * | 1992-07-02 | 1995-10-20 | Claudio Carraro | Composizione termoplastica a base di polifenilenetere e poliammide |
JP3556007B2 (ja) * | 1995-03-10 | 2004-08-18 | 日本ジーイープラスチックス株式会社 | ポリアミド系樹脂組成物 |
US5670567A (en) * | 1995-04-03 | 1997-09-23 | King Fahd University Of Petroleum And Minerals, Research Institute | Method and composition for stabilizing soil and process for making the same |
DE10024935A1 (de) * | 2000-05-19 | 2001-11-22 | Bayer Ag | Witterungsstabile Polymerblends |
AR033370A1 (es) * | 2000-05-19 | 2003-12-17 | Bayer Ag | Una composicion de polimeros modificada con resistencia al impacto, uso de la composicion de polimeros para la produccion de cuerpos moldeados y cuerpos moldeados, piezas de gabinetes, placas de cubiertas y piezas para el sector automotriz obtenibles a partir de la composicion de polimeros. |
-
2002
- 2002-07-22 DE DE10233170A patent/DE10233170A1/de not_active Ceased
-
2003
- 2003-07-10 WO PCT/EP2003/007471 patent/WO2004009706A1/de not_active Application Discontinuation
- 2003-07-10 JP JP2004522434A patent/JP2005533886A/ja active Pending
- 2003-07-10 AU AU2003281478A patent/AU2003281478A1/en not_active Abandoned
- 2003-07-10 EP EP03740451A patent/EP1525263A1/de not_active Withdrawn
- 2003-07-10 CA CA002493266A patent/CA2493266A1/en not_active Abandoned
- 2003-07-10 CN CN03822572.7A patent/CN100537664C/zh not_active Expired - Fee Related
- 2003-07-10 KR KR1020057001200A patent/KR100958477B1/ko not_active Expired - Lifetime
- 2003-07-10 MX MXPA05000934A patent/MXPA05000934A/es active IP Right Grant
- 2003-07-21 TW TW092119765A patent/TW200413470A/zh unknown
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JP2005533886A (ja) | 2005-11-10 |
KR20060052645A (ko) | 2006-05-19 |
AU2003281478A1 (en) | 2004-02-09 |
CN1685012A (zh) | 2005-10-19 |
DE10233170A1 (de) | 2004-02-12 |
TW200413470A (en) | 2004-08-01 |
US20040063857A1 (en) | 2004-04-01 |
WO2004009706A1 (de) | 2004-01-29 |
KR100958477B1 (ko) | 2010-05-17 |
CA2493266A1 (en) | 2004-01-29 |
MXPA05000934A (es) | 2005-07-22 |
EP1525263A1 (de) | 2005-04-27 |
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