A presente invenção refere-se ô coextrusão de uma ou mais poliolefinas com uma ou mais camadas de adesivo, a fim de aumentar a capacidade de adesão das poliolefinas em metal, resina epóxi, vidro, cerâmica, papel, madeira, resina termoplástica, tecido, não-tecido, vernizes e fórmica. Mais especificamente a presente invenção refere-se a um método de coextrusão de pelo menos uma poliolefina com uma camada de adesivo, aumentando as propriedades de adesão da poliolefina especialmente em espumas de poliuretano, conferindo assim uma superfície polar ô poliolefina adesivada obtida.

本发明涉及一种酚搭树脂组合物及其制备的发泡材料。本发明的酚搭树脂组合物包含固态酚搭树脂和发泡树脂珠粒，其中发泡树脂珠粒所采用的发泡基础树脂为在0.45MPa负荷下热变形温度为90℃以上的树脂。该组合物没有保存期短的问题。本发明的发泡材料包括交联酚酪树脂基体以及分散在其中的发泡树脂珠粒，并由所述酚搭树脂组合物制备而成。该发泡材料具有低的导热系数和优异的阻燃性能。由本发明的发泡材料制成的成型材料可以作为遇明火不燃烧的保温材料、隔音材料、减震材料、仿木材料等使用。

The present disclosure relates to a post consumer recycled polymer composition comprising: 80% to 95% (w/w) of a post consumer recycled resin; and 5% to 20% (w/w) of at least one additive. The present disclosure further relates to a laminate comprising: an outer layer of a post consumer recycled polymer composition; a middle layer of post consumer recycled polymer composition; and an inner layer of virgin resins. The present disclosure also relates to a process for manufacturing tubes comprising: extrusion of post consumer recycled polymer composition comprising 80% to 95% (w/w) of an post consumer recycled resin; and 5% to 20% (w/w) of at least one additive, through a circular slit to form a long cylindrical hollow pipe; slicing the long cylindrical hollow pipe to form tube sleeves; forming tube shoulder and neck; and attaching the tube shoulder and the neck to the tube sleeves to obtain a tube.

In one aspect, the disclosure relates to multilayer polymeric films comprising: at least one layer A, and at least one layer B; wherein at least one of layers A and B further comprises at least one copolymer of propylene derived units and one or more C₂, and C₄ to C₁₀ alpha- olefin derived units, the copolymer having: (a) a C₂, and/or C₄ to C₁₀ alpha-olefin derived unit content in the range of about 5 to 30 weight %; (b) an intermolecular composition distribution of greater than or equal to 75%; (c) a Tm in the range of from about 25°C to about 110°C; (d) a Hf in the range of from about 0.5 to about 70 J/g; (e) a Mw/Mn in the range of from about 1.2 to about 4.5; and (f) a MFR in the range of from about 0.1 to about 40 g/ 10 min; and wherein the multilayer polymeric film has a seal strength greater than 6.25 N/cm, at a dwell time of 0.75 seconds.

Elastomeric compositions comprising graphite nanoparticles (preferably graphene nanoparticles) and methods for making same. Such compositions are useful for tire innertubes and tire innerliners.

The invention provides cross-linked polymeric films, laminates, membranes or other polymeric articles, which show rubber like heat resistance (hot set) and dimensional stability above the polymer melting point, while maintaining heat sealing properties. For example, the invention provides a film comprising at least one layer formed from a composition comprising the following components: A) at least one polymer selected from the group consisting of the following: i) an ethylene-based polymer, ii) an ethylene/α-olefin/diene interpolymer, and ii) a C4-C10 olefin-based polymer; B) at least one polymer selected from the group consisting of a propylene/ethylene interpolymer and a propylene/α-olefin interpolymer; and wherein the film is crosslinked using radiation and/or chemicals.

A composition comprising the following; A. A thermoplastic polyurethane (TPU) comprising less than 25 wt% of units derived from a diene; B. A polybutadiene and/or polyisoprene; and C. A polydiene-based TPU that comprises at least 30 wt% of units derived from a diene. Typically and preferably, the TPU of (A) docs not contain any units derived from a diene. These compositions can be cured into thermoplastic vulcanizates. Both the cured and uncured compositions are well-suited for promoting the adhesion between polar (for example, polyester, polycarbonate and polylactic acid) and non-polar materials, and for the manufacture of, among other things, films, fibers, sheets and tie layers, lubes, adhesives, dispersions, protective apparel, footwear, coatings, laminates and foams.

The present disclosure relates to aromatic polyester compositions, such as PET, comprising an unsaturated polymer prepared by metathesis polymerization having at least one or more specified terminal functional groups.

A release aid comprising one or more (poly)C₅-C₂₀ alpha olefins and one or more surfactants for use in releasing a paper web from the fabric in through air drying processes and/or from the Yankee dryer, compositions comprising the release aid and methods of using the release aid.