摘要:
Compositions comprising hydrogenated block copolymers can be successfully used in a variety of applications including films, profiles, sheets, pultruded articles, fibers, coated articles, injection molded articles and blow or rotational molded articles.
摘要:
The present invention relates to a fiber produced form a composition comprising at least one hydrogenated block copolymer and, optionally, at least one other polymer selected from the group consisting of a reactive tailored liquid polyurethane, an elastomeric or sulfonated ethylene/vinyl aromatic interpolymer, an elastomeric ethylene/C3-C20 &agr;-olefin interpolymer, an C3-C20 &agr;-olefin/conjugated diene interpolymer, an elastic polypropylene polymer, an enhanced polypropylene polymer, an elastomeric thermoplastic polyurethane, an elastic copolyester, a partially hydrogenated block copolymer, an elastic polyamide, a hydroxyl functionalized polyether (or polyetheramine), a styrene/conjugated diene interpolymer, and an elastomeric metallocene-catalyzed synthetic polymer or a blend or formulated system thereof.
摘要翻译:本发明涉及由包含至少一种氢化嵌段共聚物和任选的至少一种其它聚合物制备的纤维,所述其它聚合物选自反应性定制的液体聚氨酯,弹性体或磺化乙烯/乙烯基芳族互聚物, 弹性体乙烯/ C 3 -C 20α-烯烃互聚物,C 3 -C 20α-烯烃/共轭二烯互聚物,弹性聚丙烯聚合物,增强聚丙烯聚合物,弹性体热塑性聚氨酯,弹性共聚酯,部分氢化嵌段共聚物,弹性体 聚酰胺,羟基官能化聚醚(或聚醚胺),苯乙烯/共轭二烯互聚物和弹性体茂金属催化的合成聚合物或其共混物或配制体系。
摘要:
The invention includes an interlayer film and composition comprising a polymer composition obtainable from (a) at least one low crystallinity propylene polymer, and at least one (b) internal adhesion enhancer, (c) at least one clarity enhancer or (d), more preferably, both (b) and (c). The invention also includes a process of preparing a film comprising (a) supplying at least one first component, a low crystallinity propylene polymer, (b) supplying at least one second component, selected from at least one an internal adhesion enhancer, at least one clarity enhancer or a combination thereof; and, (d) admixing the first and second components and optional additives. Additionally, the invention includes a process of making a laminate comprising steps of (a) positioning at least one layer of the interlayer film directly adjacent to at least one layer of substrate (b) applying sufficient heat or other energy to result in softening of the interlayer directly adjacent the substrate with simultaneous application of sufficient pressure to press polymer into intimate contact with substrate. The invention also includes laminates and articles comprising the composition or film of the invention or a combination thereof.
摘要:
A multilayer biaxially oriented polypropylene film is disclosed which comprises at least three layers. The first layer is an outer layer comprising a first polymer which is a homopolymer polypropylene resin having a melting point of at least 155° C. The second layer is a core layer, having a melting point greater than 150° C. The core layer includes a blend comprising a second polymer which is a polypropylene homopolymer having a melting point of at least 155° C. and a third polymer having a melting point no greater than 145° C. The second polymer comprises from 20% to 80% by weight of the core layer while the third polymer comprises from 80% to 20% by weight of the core layer. The last required layer in the film is a sealant layer. The sealant layer comprises a fourth polymer having a melting point no greater than 145° C.
摘要:
The present invention provides a film suitable for applications requiring high water vapor transmission rates. The film comprises a polyolefin polymer together with from 1 to 30 percent by weight of the film of a hydrophilic polymer and from 30 to 75 percent by weight of the film of a filler having a hydrophilic surface functionality.
摘要:
An electronic device module comprising: A. At least one electronic device, e.g., a solar cell, and B. A polymeric material in intimate contact with at least one surface of the electronic device, the polymeric material comprising (1) an ethylene interpolymer comprising an overall polymer density of not more than 0.905 g/cm3; total unsaturation of not more than 125 per 100,000 carbons; up to 3 long chain branches/1000 carbons; vinyl-3 content of less than 5 per 100,000 carbons; and a total number of vinyl groups/1000 carbons of less than the quantity (8000/Mn), wherein the vinyl-3 content and vinyl group measurements are measured by gel permeation chromatography (145° C.) and 1H-NMR (125° C.), (2) grafted vinyl silane, (3) optionally, free radical initiator or a photoinitiator in an amount of at least about 0.05 wt % based on the weight of the copolymer, and (3) optionally, a co-agent in an amount of at least about 0.05 wt % based upon the weight of the copolymer.
摘要:
New ethylene polymers having low levels of long chain branching are disclosed. Films and film layers made form these polymers have good hot tack strength over a wide range of temperatures, making them good materials for packaging applications.
摘要:
The present invention relates to a multi-layer oriented shrink film comprising a first and a second skin layer comprising a propylene-based polymer having a melting point greater than 130 C and at least one core layer comprising a propylene-based plastomer or elastomer. The films are preferably primarily oriented in either the machine or the cross direction. These films are ideally suited for use as a shrink label which can be applied either as a CD shrink sleeve or applied using a continuous roll process. The films ideally have an overall density of less than 1.0 g/cm3, to facilitate recycling efforts.
摘要翻译:本发明涉及一种多层定向收缩膜,其包括第一和第二表皮层,其包含熔点大于130℃的丙烯类聚合物和至少一个包含基于丙烯的塑性体或弹性体的核心层。 膜优选主要在机器或横向方向上定向。 这些膜理想地适合用作收缩标签,其可以作为CD收缩套筒使用,或者使用连续辊式方法施加。 这些膜理想地具有小于1.0g / cm 3的总密度,以便于再循环。
摘要:
A multilayer biaxially oriented polypropylene film is disclosed which comprises at least three layers. The first layer is an outer layer comprising a first polymer which is a homopolymer polypropylene resin having a melting point of at least 155° C. The second layer is a core layer, having a melting point greater than 150° C. The core layer includes a blend comprising a second polymer which is a polypropylene homopolymer having a melting point of at least 155° C. and a third polymer having a melting point no greater than 145° C. The second polymer comprises from 20% to 80% by weight of the core layer while the third polymer comprises from 80% to 20% by weight of the core layer. The last required layer in the film is a sealant layer. The sealant layer comprises a fourth polymer having a melting point no greater than 145° C.
摘要:
The invention is an article comprising at least two layers, a low crystallinity layer and a high crystallinity layer. One or both layers is capable of being elongated so that a pre-stretched article is capable of being formed.