公开(公告)号：US06488882B2

公开(公告)日：2002-12-03

申请号：US09732731

申请日：2000-12-11

Applicant: Edmund K. Lau ,  Satchit Srinivasan ,  Peter J. Perron ,  Peter S. Solera ,  Anthony DeBellis ,  Chia-Hu Chang ,  Gerald Capocci ,  Joseph Puglisi ,  Douglas Horsey

Inventor： Edmund K. Lau ,  Satchit Srinivasan ,  Peter J. Perron ,  Peter S. Solera ,  Anthony DeBellis ,  Chia-Hu Chang ,  Gerald Capocci ,  Joseph Puglisi ,  Douglas Horsey

IPC: B29C7104

CPC classification number: C08J3/28 ,  C08J2323/02 ,  C08L9/00 ,  C08L21/00 ,  C08L23/02 ,  C08L23/0815 ,  C08L23/10 ,  C08L2205/03 ,  C08L2312/06 ,  C08L2666/04

Abstract: The invention relates to thermoplastic polyolefin compositions having enhanced surface durability and products thereof which include a thermoplastic polyolefin base component at least one radiation-crosslinkable component present in an amount sufficient to enhance the surface durability of the thermoplastic polyolefin component when radiation-cured and at least one photoinitiator present in an amount sufficient to initiate crosslinking of the radiation-crosslinkable component upon exposure of the thermoplastic polyolefin composition to radiation. The invention further relates to methods of providing a cured thermoplastic polyolefin composition having enhanced surface durability by preparing a mixture having a thermoplastic polyolefin base component, at least one radiation-crosslinkable component in an amount sufficient to enhance the surface durability of the polyolefin when radiation cured, and at least one photoinitiator each in an amount sufficient to facilitate crosslinking of the radiation-crosslinkable component when a surface of the thermoplastic polyolefin composition is exposed to radiation, and then exposing the thermoplastic polyolefin composition to radiation in an amount sufficient to crosslink the radiation-crosslinkable component thereby providing a thermoplastic polyolefin composition having enhanced surface durability.

Abstract translation: 本发明涉及具有增强的表面耐久性的热塑性聚烯烃组合物及其产品，其包括热塑性聚烯烃基础组分至少一种可辐射交联组分，其量足以增强热辐射固化时的热塑性聚烯烃组分的表面耐久性，并且至少 一种光引发剂以足以在将热塑性聚烯烃组合物暴露于辐射时引发辐射可交联组分的交联的量存在。 本发明还涉及提供具有增强的表面耐久性的固化的热塑性聚烯烃组合物的方法，该组合物通过制备具有热塑性聚烯烃基础组分的混合物，至少一种可辐射交联组分，其量足以增强当辐射固化时聚烯烃的表面耐久性 和至少一种光引发剂，其量足以在热塑性聚烯烃组合物的表面暴露于辐射时促进辐射可交联组分的交联，然后将热塑性聚烯烃组合物暴露于足以交联辐射的量的辐射 - 可交联组分，从而提供具有增强的表面耐久性的热塑性聚烯烃组合物。

公开(公告)号：US06465571B1

公开(公告)日：2002-10-15

申请号：US09562956

申请日：2000-05-03

Applicant: Marta Drewniak ,  Jhy-Yuan Her ,  Satchit Srinivasan ,  Edward Szczepaniak

Inventor： Marta Drewniak ,  Jhy-Yuan Her ,  Satchit Srinivasan ,  Edward Szczepaniak

IPC: C08F25500

CPC classification number: C08L23/10 ,  C08L23/04 ,  C08L23/16 ,  C08L51/06 ,  C08L53/02 ,  C08L2666/04 ,  C08L2666/24

Abstract: A polyolefin blend is presented having a propylene containing polymer as a base component, a portion of which is functionalized with a hydrophilic moiety; a toughening component of polymer selected from the group consisting of(A) a copolymer of ethylene and an alpha olefin and (B) a terpolymer of ethylene, an alpha olefin and a diene; an interfacial modifier in the form of an elastomeric block copolymer; and a filler. The functionalized portion of the propylene containing polymer is present in an amount sufficient to ensure dispersion of the filler within the semi-cystalline portion of the blend; the toughening agent is present in an amount sufficient to enhance low temperature impact properties of the blend but less than about 40 weight percent, the interfacial modifier is present in an amount sufficient to assist in adhesion between the polymer components of the blend but less than about 30 weight percent, and the filler is present in an amount sufficient to enhance blend strength and hardness but less than about 40 weight percent. Also included is an article of manufacture containing the polyolefin blend described and a method for making such an article of manufacture by molding the described polyolefin lend into the configuration and shape of the article of manufacture, and the use of such articles as automobile components.

Abstract translation: 提出了一种聚烯烃共混物，其具有含丙烯的聚合物作为基础组分，其一部分用亲水部分官能化; 选自（A）乙烯和α-烯烃的共聚物的聚合物的增韧组分和（B）乙烯，α-烯烃和二烯的三元共聚物; 弹性嵌段共聚物形式的界面改性剂; 和填料。 含丙烯聚合物的官能化部分以足以确保填料在共混物的半结晶部分内分散的量存在; 增韧剂的存在量足以提高共混物的低温冲击性能但小于约40重量％，界面改性剂的存在量足以有助于共混物的聚合物组分之间的粘合但小于约 30重量％，并且填料以足以提高共混强度和硬度但小于约40重量％的量存在。 还包括含有所述聚烯烃共混物的制品，以及制造这种制品的方法，通过将所述的聚烯烃树脂模塑成制品的构型和形状，以及使用这些制品作为汽车部件。

公开(公告)号：US5773515A

公开(公告)日：1998-06-30

申请号：US296293

申请日：1994-08-25

Applicant: Satchit Srinivasan ,  Edward Szczepaniak

Inventor： Satchit Srinivasan ,  Edward Szczepaniak

IPC: C08L23/08 ,  C08L23/12 ,  C08L23/04

CPC classification number: C08L23/12 ,  C08L23/0815 ,  C08L2314/06

Abstract: Thermoplastic olefinic, polymer blends which have superior physical properties and adherence for coating materials such as paints are disclosed. The blends may be formed from various combinations of homopolymers of propylene having an isotactic index >0.93, and/or crystallinity >56%, sequentially polymerized blends of polypropylene and ethylene-propylene copolymers, copolymers of ethylene and butene produced with Kaminsky catalysts, and copolymers of ethylene and octene produced with Kaminsky catalysts with C.sub.3 -C.sub.15 alpha olefins.

Abstract translation: 公开了具有优异的物理性质和涂料如涂料的粘附性的热塑性烯烃聚合物共混物。 共混物可以由具有全同立构指数> 0.93和/或结晶度> 56％的丙烯均聚物的各种组合形成，聚丙烯和乙烯 - 丙烯共聚物的顺序聚合的共混物，由Kaminsky催化剂制备的乙烯和丁烯的共聚物以及共聚物 的乙烯和辛烯由具有C3-C15α烯烃的Kaminsky催化剂生产。

公开(公告)号：US5498671A

公开(公告)日：1996-03-12

申请号：US311843

申请日：1994-09-23

Applicant: Satchit Srinivasan

Inventor： Satchit Srinivasan

IPC: B05D7/00 ,  B05D7/02 ,  B32B27/00 ,  B32B27/32 ,  C08L23/02 ,  C08L23/04 ,  C08L23/06 ,  C08L23/10 ,  C08L23/12 ,  C08L23/14 ,  C08L23/16 ,  C08L23/20 ,  C08L51/06

CPC classification number: C08L23/16 ,  B05D7/02 ,  B05D7/53 ,  C08L23/04 ,  C08L23/06 ,  C08L23/10 ,  C08L23/12 ,  C08L23/20 ,  C08L2205/03 ,  C08L2205/035 ,  C08L23/14 ,  C08L51/06

Abstract: The present invention relates to polymer compositions having improved adhesion for coating materials. The compositions include 40-90% by weight of a polyolefin, 10-50% by weight of a first rubber component and 1-20% by weight of a second rubber component. The first rubber component is preferably an ethylene propylene diene rubber having a weight average molecular weight of 50,000 to 300,000, while the second rubber is an ethylene-propylene diene rubber having a number average molecular weight of about 2,000 to 10,000.

Abstract translation: 本发明涉及具有改进的涂料粘附性的聚合物组合物。 组合物包括40-90重量％的聚烯烃，10-50重量％的第一橡胶组分和1-20重量％的第二橡胶组分。 第一橡胶组分优选是重均分子量为50,000至300,000的乙烯丙烯二烯橡胶，而第二橡胶是数均分子量为约2,000至10,000的乙烯 - 丙烯二烯橡胶。