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1. 发明申请

US20150291774A1 CROSSLINKED POLYETHYLENE COMPOSITION HAVING IMPROVED PROCESSABILITY 有权
标题翻译：交联聚乙烯组合物具有改进的可加工性
公开(公告)号：US20150291774A1
公开(公告)日：2015-10-15
申请号：US14405220
申请日：2012-06-04
申请人： Xuelian Chen , Wenbin Liang , Yanhua Niu , Shih-yaw Lai
发明人： Xuelian Chen , Wenbin Liang , Yanhua Niu , Shih-yaw Lai
IPC分类号： C08K5/36 , C08K5/3492 , C08K5/14
CPC分类号： C08K5/36 , C08K5/0025 , C08K5/13 , C08K5/14 , C08K5/16 , C08K5/34924 , C08L23/08
摘要： Disclosed in the present invention is a crosslinked polyethylene composition having improved processability comprises: 100 parts by weight of polyethylene, 0.03-5 parts by weight of crosslinking agent, 0.03-5 parts by weight of crosslinking promoter, and 0.01-1.5 parts by weight of free radical inhibitor, wherein the polyethylene is a copolymer and/or homopolymer containing at least 90 wt. % of vinyl and at least one C3-C8 α-alkenyl, and has a density in the range of 0.920-0.970 g/cm3, a melt index in the range of 2.5-17.5 g/10 min; the crosslinking agent is a peroxide crosslinking agent; the crosslinking promoter is an organic substance containing maleimido, (meth)acrylate group, and/or allyl, and/or a polymer containing more than 50% of vinyl; the free radical inhibitor is an organic antioxidant, a quinhydrone and/or a substituted quinhydrone. The crosslinked polyethylene composition of the present invention has a crosslinking efficiency index of more than 1,100 Nm/g and a δ torque value of more than 10 Nm at the temperature of 200° C., a significantly higher safety process temperature and a significantly improved crosslinking retardation time compared to the conventional crosslinked polyethylene composition, which make it especially be suitable for the production of rotational molding articles.
摘要翻译：在本发明中公开的是具有改进的加工性的交联聚乙烯组合物，包括：100重量份的聚乙烯，0.03-5重量份的交联剂，0.03-5重量份的交联促进剂和0.01-1.5重量份的自由基抑制剂，其中聚乙烯是共聚物和/或均聚物，其含有至少90wt。％的乙烯基和至少一个C 3 -C 8α-烯基，其密度在0.920-0.970g / cm 3范围内，熔体指数在2.5-17.5g / 10min的范围内; 交联剂是过氧化物交联剂; 交联促进剂是含有马来酰亚胺基，（甲基）丙烯酸酯基和/或烯丙基的有机物，和/或含有50％以上乙烯基的聚合物; 自由基抑制剂是有机抗氧化剂，醌氢醌和/或取代的氢醌。本发明的交联聚乙烯组合物在200℃的温度下具有大于1100Nm 3 / g的交联效率指数和大于10Nm的δ扭矩值，显着更高的安全性工艺温度和明显改善的交联延迟时间与传统的交联聚乙烯组合物相比，特别适用于生产旋转模塑制品。

2. 发明申请

US20150232586A1 CROSSLINKED POLYETHYLENE COMPOSITION 有权
标题翻译：交联聚乙烯组合物
公开(公告)号：US20150232586A1
公开(公告)日：2015-08-20
申请号：US14407352
申请日：2012-06-13
申请人： Xuelian Chen , Wenbin Liang , Yanhua Niu , Shih-yaw Lai
发明人： Xuelian Chen , Wenbin Liang , Yanhua Niu , Shih-yaw Lai
IPC分类号： C08F10/02
CPC分类号： C08F10/02 , C08K5/14 , C08L23/04 , C08L23/08 , C08L23/06
摘要： A crosslinked polyethylene composition comprising 100 parts by weight of polyethylene, 0.05-5 parts by weight of crosslinking agent, 0.03-3 parts by weight of crosslinking aid. Polyethylene is a copolymer, homopolymer and/or a mixture thereof. The crosslinking agent is an organic peroxide having a half-life period longer than 3 minutes at 190° C. and/or a multi-membered heterocyclic alkane consisting of 3 to 6 carbon atoms and 3 to 6 oxygen atoms and/or a derivative thereof. The crosslinking aid is an organic substance containing allyl, maleimido, (meth)acrylate group and/or a polymer having a vinyl content higher than 50%. Preferably, the crosslinking aid is triallyl isocyanate (TAIC), triallyl cyanurate (TAC) or a mixture thereof. The crosslinked polyethylene composition has a crosslinking efficiency index >1000 Nm/g and a δ torque value >15 Nm at 220° C., and has a high safe processing temperature and long crosslinking delay, and therefore is particularly suitable for rotationally molded products.
摘要翻译：交联聚乙烯组合物，其包含100重量份的聚乙烯，0.05-5重量份的交联剂，0.03-3重量份的交联助剂。聚乙烯是共聚物，均聚物和/或其混合物。交联剂是在190℃下半衰期长于3分钟的有机过氧化物和/或由3至6个碳原子和3至6个氧原子组成的多元杂环烷烃和/或其衍生物。交联助剂是含有烯丙基，马来酰亚胺基，（甲基）丙烯酸酯基和/或乙烯基含量高于50％的聚合物的有机物质。优选地，交联助剂是异氰酸三烯丙酯（TAIC），氰尿酸三烯丙酯（TAC）或其混合物。交联聚乙烯组合物在220℃下的交联效率指数> 1000Nm 3 / g，δ扭矩值> 15Nm，具有高安全的加工温度和较长的交联延迟，因此特别适用于旋转成型产品。

3. 发明授权

US09617356B2 Crosslinked polyethylene composition 有权
公开(公告)号：US09617356B2
公开(公告)日：2017-04-11
申请号：US14407352
申请日：2012-06-13
申请人： Xuelian Chen , Wenbin Liang , Yanhua Niu , Shih-yaw Lai
发明人： Xuelian Chen , Wenbin Liang , Yanhua Niu , Shih-yaw Lai
IPC分类号： C08F10/02
CPC分类号： C08F10/02 , C08K5/14 , C08L23/04 , C08L23/08 , C08L23/06
摘要： A crosslinked polyethylene composition comprising 100 parts by weight of polyethylene, 0.05-5 parts by weight of crosslinking agent, 0.03-3 parts by weight of crosslinking aid. Polyethylene is a copolymer, homopolymer and/or a mixture thereof. The crosslinking agent is an organic peroxide having a half-life period longer than 3 minutes at 190° C. and/or a multi-membered heterocyclic alkane consisting of 3 to 6 carbon atoms and 3 to 6 oxygen atoms and/or a derivative thereof. The crosslinking aid is an organic substance containing allyl, maleimido, (meth)acrylate group and/or a polymer having a vinyl content higher than 50%. Preferably, the crosslinking aid is triallyl isocyanate (TAIC), triallyl cyanurate (TAC) or a mixture thereof. The crosslinked polyethylene composition has a crosslinking efficiency index >1000 Nm/g and a δ torque value >15 Nm at 220° C., and has a high safe processing temperature and long crosslinking delay, and therefore is particularly suitable for rotationally molded products.

4. 发明授权

US09388296B2 Crosslinked polyethylene composition having improved processability 有权
标题翻译：交联聚乙烯组合物具有改进的加工性能
公开(公告)号：US09388296B2
公开(公告)日：2016-07-12
申请号：US14405220
申请日：2012-06-04
申请人： Xuelian Chen , Wenbin Liang , Yanhua Niu , Shih-yaw Lai
发明人： Xuelian Chen , Wenbin Liang , Yanhua Niu , Shih-yaw Lai
IPC分类号： C08K5/36 , C08F10/02 , C08K5/14 , C08K5/00 , C08K5/3492 , C08K5/16 , C08L23/08
CPC分类号： C08K5/36 , C08K5/0025 , C08K5/13 , C08K5/14 , C08K5/16 , C08K5/34924 , C08L23/08
摘要： Disclosed in the present invention is a crosslinked polyethylene composition having improved processability comprises: 100 parts by weight of polyethylene, 0.03-5 parts by weight of crosslinking agent, 0.03-5 parts by weight of crosslinking promoter, and 0.01-1.5 parts by weight of free radical inhibitor, wherein the polyethylene is a copolymer and/or homopolymer containing at least 90 wt. % of vinyl and at least one C3-C8 α-alkenyl, and has a density in the range of 0.920-0.970 g/cm3, a melt index in the range of 2.5-17.5 g/10 min; the crosslinking agent is a peroxide crosslinking agent; the crosslinking promoter is an organic substance containing maleimido, (meth)acrylate group, and/or allyl, and/or a polymer containing more than 50% of vinyl; the free radical inhibitor is an organic antioxidant, a quinhydrone and/or a substituted quinhydrone. The crosslinked polyethylene composition of the present invention has a crosslinking efficiency index of more than 1,100 Nm/g and a δ torque value of more than 10 Nm at the temperature of 200° C., a significantly higher safety process temperature and a significantly improved crosslinking retardation time compared to the conventional crosslinked polyethylene composition, which make it especially be suitable for the production of rotational molding articles.
摘要翻译：在本发明中公开的是具有改进的加工性的交联聚乙烯组合物，包括：100重量份的聚乙烯，0.03-5重量份的交联剂，0.03-5重量份的交联促进剂和0.01-1.5重量份的自由基抑制剂，其中聚乙烯是共聚物和/或均聚物，其含有至少90wt。％的乙烯基和至少一个C 3 -C 8α-烯基，其密度在0.920-0.970g / cm 3范围内，熔体指数在2.5-17.5g / 10min的范围内; 交联剂是过氧化物交联剂; 交联促进剂是含有马来酰亚胺基，（甲基）丙烯酸酯基和/或烯丙基的有机物，和/或含有50％以上乙烯基的聚合物; 自由基抑制剂是有机抗氧化剂，醌氢醌和/或取代的氢醌。本发明的交联聚乙烯组合物在200℃的温度下具有大于1100Nm 3 / g的交联效率指数和大于10Nm的δ扭矩值，显着更高的安全性工艺温度和明显改善的交联延迟时间与传统的交联聚乙烯组合物相比，特别适用于生产旋转模塑制品。

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