C08L23/28

Resin composition and uses thereof

Provided is a resin composition having a large proportion of polyolefin components, allowing preparation of a solution having a high solid content, having a good solution property after long-term storage, having good pigment dispersibility, and including a modified product of component (A): polyolefin resin with component (B): (meth)acrylic acid and/or (meth)acrylic acid ester, in which the weight ratio of the component (A) to the component (B) ((A)/(B)) is 90/10 to 30/70, and the component (B) contains 20% by weight or more of component (B1): an alkoxy (poly)alkylene glycol mono(meth)acrylic acid ester.

TIRE INNERLINER COMPOSITIONS OF HALOGENATED BUTYL RUBBER, TERPENE PHENOL RESIN, CALCIUM CARBONATE FILLER, AND CURATIVE

Embodiments of the present disclosure are directed to tire innerliner compositions comprising an elastomer component comprising halogenated butyl rubber; at least one terpene phenol resin; filler component comprising calcium carbonate; and at least one curative. The at least one terpene phenol resin has a softening point from 100 C. to 160 C. and a hydroxyl value from 40 to 200.

Polyethylene and chlorinated polyethylene thereof

The polyethylene according to the present disclosure has a short relaxation time and a uniform particle size, thereby preparing a chlorinated polyethylene excellent in chlorination productivity and glass transition temperature by reacting with chlorine. And, a PVC composition with improved impact strength may also be prepared by including the same.

Elastomer composite including algae biomass filler
11898036 · 2024-02-13 · ·

An algae-elastomer composite including an elastomer matrix; algae; and a mixing additive sufficient to achieve a desired property. The algae can be present in a milled condition having a particle size value of between about 10 and 120 microns. The algae is mixed with the elastomer matrix in a dry condition having a moisture content of below about 10%. A method of preparing the algae-based elastomer composite is provided that includes the steps of: premixing an elastomer matrix; adding an algae filler; adding a mixing additive that includes a plasticizer; forming an elastomer-algae blend by blending the algae and elastomer to a temperature sufficient to be further mixed, wherein the temperature is about 10 C. higher than the temperature sufficient for the elastomer alone; adding and mixing a curing or vulcanizing agent for the elastomer dispersing the elastomer-algae blend; and heating and curing the elastomer-algae blend into a final form.

THERMOPLASTIC RESIN COMPOSITION, INNER LINER, AND PNEUMATIC TIRE
20190375928 · 2019-12-12 ·

Provided is a thermoplastic resin composition from which an inner liner for pneumatic tires that decreases little in gas-barrier property upon fatigue can be produced. The thermoplastic resin composition comprises a matrix phase, which comprises an ethylene/vinyl alcohol copolymer (A), and a dispersed phase, which comprises a brominated isobutylene/p-methylstyrene copolymer (B) and an acid-modified styrene/ethylene/butylene/styrene copolymer (C), and is characterized by satisfying 0.02(W.sub.BB.sub.B)(W.sub.CS.sub.C)/(W.sub.AV.sub.A)0.85 where W.sub.A, W.sub.B, and W.sub.C are the weight proportions of the components (A), (B), and (C), respectively, to the total weight of the polymer components contained in the thermoplastic resin composition, V.sub.A (wt %) is the vinyl alcohol content in the component (A), B.sub.B (wt %) is the p-bromomethylstyrene content in the component (B), and S.sub.C (wt %) is the styrene content in the component (C).

THERMOPLASTIC RESIN COMPOSITION, INNER LINER, AND PNEUMATIC TIRE
20190375928 · 2019-12-12 ·

Provided is a thermoplastic resin composition from which an inner liner for pneumatic tires that decreases little in gas-barrier property upon fatigue can be produced. The thermoplastic resin composition comprises a matrix phase, which comprises an ethylene/vinyl alcohol copolymer (A), and a dispersed phase, which comprises a brominated isobutylene/p-methylstyrene copolymer (B) and an acid-modified styrene/ethylene/butylene/styrene copolymer (C), and is characterized by satisfying 0.02(W.sub.BB.sub.B)(W.sub.CS.sub.C)/(W.sub.AV.sub.A)0.85 where W.sub.A, W.sub.B, and W.sub.C are the weight proportions of the components (A), (B), and (C), respectively, to the total weight of the polymer components contained in the thermoplastic resin composition, V.sub.A (wt %) is the vinyl alcohol content in the component (A), B.sub.B (wt %) is the p-bromomethylstyrene content in the component (B), and S.sub.C (wt %) is the styrene content in the component (C).

CPE based welding hose

A hose includes an inner tube containing a blend of chlorinated polyethylene (CPE) with ethylene propylene diene monomer rubber (EPDM), from 5 phr to 15 phr of a branched plasticizer, from 10 phr to 30 phr carbon black, from 30 phr to 60 phr mineral filling, and a peroxide curing agent. The hose defines an inner conduit. A reinforcement layer is disposed outwardly adjacent the inner tube, and an outer cover disposed outwardly adjacent the reinforcement layer. Upon and after curing, the inner tube at least meets methyl borate resistance, acetone resistance and pentane resistance requirements of Australian Standard AS1335. In some aspects, after curing the inner tube exceeds the methyl borate resistance, acetone resistance and pentane resistance requirements of the Australian Standard AS1335. Also, after curing, the hose at least meets flame resistance requirements of the Australian Standard AS1335.

Thermoplastic Resin Composition Having Excellent Electrical Properties, and Molded Article Produced Using Same
20190359820 · 2019-11-28 ·

Provided is a thermoplastic resin composition having excellent electrical properties, and the thermoplastic resin composition comprises: (A) 100 parts by weight of polycarbonate; (B) 2 parts by weight to 6 parts by weight of a cyclic phosphazene compound flame retardant; (C) 0.1 parts by weight to 5 parts by weight of an impact-reinforcing agent; and (D) 1 part by weight to 3 parts by weight of a fluorinated polyolefin.

Process for preparing a halogenated elastomer with improved Mooney viscosity stability

This invention relates to a method of preparing a brominated elastomer having a stabilized Mooney viscosity. The method includes polymerizing isomonoolefins and at least one polymerizable unit to obtain an elastomer/polymer; brominating the elastomer/polymer to form a brominated elastomer effluent; neutralizing the brominated elastomer effluent to form a neutralized effluent; volatizing off the hydrocarbon solvent; and recovering a brominated elastomer. In at least one point of the process, preferably prior to any significant temperature change in the brominated polymer, a Mooney stabilizer is added into the system. Portions of the Mooney stabilizer may be added at multiple points into the process.

Process for preparing a halogenated elastomer with improved Mooney viscosity stability

This invention relates to a method of preparing a brominated elastomer having a stabilized Mooney viscosity. The method includes polymerizing isomonoolefins and at least one polymerizable unit to obtain an elastomer/polymer; brominating the elastomer/polymer to form a brominated elastomer effluent; neutralizing the brominated elastomer effluent to form a neutralized effluent; volatizing off the hydrocarbon solvent; and recovering a brominated elastomer. In at least one point of the process, preferably prior to any significant temperature change in the brominated polymer, a Mooney stabilizer is added into the system. Portions of the Mooney stabilizer may be added at multiple points into the process.