C08L2666/34

Process and System For Blending A Plasticizer With A Polysaccharide Ester Polymer
20230226735 · 2023-07-20 ·

A process is disclosed for combining a polysaccharide ester polymer with one or more plasticizers in a way that produces a homogeneous blend. The polysaccharide ester polymer can be in the form of particles and fed to a heated extruding device. Separate quantities of plasticizer can then be combined with the polysaccharide ester polymer particles as they are conveyed through the extruding device. Through the process of the present disclosure, a homogenous blended product can be formed that can then be used to form various articles including fibers, films, and molded articles.

Stabilising Composition
20230015239 · 2023-01-19 ·

The invention concerns a stabilising composition, comprising: at least one antioxidant comprising one or more of: a phenolic antioxidant, a phosphite antioxidant, a sulphur-containing antioxidant, and an aminic antioxidant; and at least one buffering agent, wherein the buffering agent has the capacity to buffer in aqueous solution at a pH range from 4 to 8.

RESIN COMPOSITION, RESIN SHEET, AND LAMINATED GLASS

The present invention relates to a resin composition, comprising: a modified vinyl acetal resin which comprises 20 to 80 mol % of ethylene units and 4 to 76 mol % of vinyl alcohol units based on all monomer units constituting the resin, and has an acetalization degree of 5 to 80 mol %; and an alkali metal salt and/or an alkaline earth metal salt of a strong acid, wherein a total content of the alkali metal salt and/or the alkaline earth metal salt of the strong acid is 0.0005 to 0.06 part by mass with respect to 100 parts by mass of the modified vinyl acetal resin.

RUBBER OR ELASTOMER COMPOSITIONS AND PROCESSES FOR THEIR MANUFACTURING

The present invention is concerned with the field of polymer chemistry and relates to rubber or elastomer compositions as can be used for vehicle tires, and to a method for the production of the rubber or elastomer compositions.

The object of the invention is that in particular the elastic modulus of the compositions can be adapted depending on the temperature and/or the application conditions, and is a cost-effective and easily implemented method for the production of the compositions.

The object is attained by rubber or elastomer compositions that contain at least one rubber or elastomer matrix and at least 20 to 150 phr of a phase change material in solid or liquid form. In the methods according to the invention, at least one rubber and at least 20 to 150 phr of a phase change material in solid or liquid form are used, the composition is mixed or the at least one rubber is at least brought into contact with the phase change material, and further processing steps can be performed and a vulcanization can be performed.

Polymer composition comprising a dielectric liquid of improved polarity

A polymer composition has at least one thermoplastic polymer material and a dielectric liquid of improved polarity, to a process for preparing said polymer composition, to a cable comprising at least one electrically insulating layer obtained from the polymer composition, and to a process for preparing the cable.

CROSSLINKABLE COMPOSITION COMPRISING POLYETHYLENE AND USE THEREOF FOR ROTATIONAL MOLDING
20170247534 · 2017-08-31 ·

Crosslinkable composition comprising: (a) from 80% by weight to 98% by weight, preferably from 85% by weight to 95% by weight, of at least one high density polyethylene (HDPE); (b) from 2% by weight to 20% by weight, preferably from 5% by weight to 15% by weight, of at least one linear low density polyethylene (LLDPE); (c) from 0.2 parts by weight to 1.5 parts by weight, preferably from 0.5 parts by weight to 0.8 parts by weight, with respect to 100 parts by weight of (a)+(b), of at least one crosslinking agent selected from organic peroxides; (d) from 0.2 parts by weight to 2.5 parts by weight, preferably from 0.5 parts by weight to 1.0 parts by weight, with respect to 100 parts by weight of (a)+(b), of at least one co-crosslinking agent selected from allyl compounds. Said crosslinkable composition can advantageously be used in rotational molding (“rotomolding”).

THERMOSETTING COATING COMPOSITIONS

The present invention provides emulsions comprising curable polyesters and certain surfactants. The emulsions are useful as coatings binders in waterborne thermosetting coating compositions and can be used in conjunction with cross-linking compounds reactive with curable polyesters. Also provided are shaped or formed articles coated with the waterborne thermosetting coating compositions of the invention.

AUTOMOBILE INTERIOR COMPONENT MADE FROM POLYACETAL RESIN
20220275196 · 2022-09-01 ·

An automobile interior component obtained using a specific polyacetal resin composition which allows for stable suppression of the generation of mold deposits during molding at elevated temperatures, and the reduction of the amount of formaldehyde generated from a molded article to an extremely low level, as well as the prevention of the bleed-out of an added component from the molded article, and the retention of a favorable appearance of the molded article. The automobile interior component is obtained using a polyacetal resin composition containing, at least 100 parts by mass of a polyacetal polymer (A); 0.03 to 0.30 parts by mass of a hindered phenol antioxidant (B); 0.01 to 0.50 parts by mass of an aliphatic carboxylic acid hydrazide (C); 0.001 to 0.50 parts by mass of a hydantoin compound having two hydrazinocarbonylalkyl groups (D); and 0.001 to 0.30 parts by mass of an alkaline earth metal salt of an aliphatic carboxylic acid (E), and the total amount of the components (C) and (D) is 0.03 to 0.55 parts by mass with respect to 100 parts by mass of the polyacetal polymer (A).

POLYMER COMPOSITION COMPRISING A DIELECTRIC LIQUID OF IMPROVED POLARITY

A polymer composition has at least one polypropylene-based thermoplastic polymer material and a dielectric liquid. The dielectric liquid has at least one mineral oil and at least one polar compound of the benzophenone type, acetophenone type or a derivative thereof.

POLYCARBONATE COMPOSITIONS
20200385570 · 2020-12-10 ·

Polycarbonate compositions comprising one or more additives selected from the group consisting of benzofuranone stabilizers of formula I, wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are each independently hydrogen, halogen, hydroxy, C.sub.1-C.sub.25alkyl, C.sub.2-C.sub.25alkenyl, C.sub.2-C.sub.25alkynyl, C.sub.7-C.sub.9phenylalkyl, phenyl, C.sub.5-C.sub.8cycloalkyl, C.sub.1-C.sub.18alkoxy, C1-C8alkylamine, di(C1-C8alkyl)amino, C.sub.1-C.sub.25alkanoyloxy, C.sub.1-C.sub.25alkanoylamino, C.sub.3-C.sub.25alkenoyloxy, C.sub.3-C.sub.25alkanoyloxy interrupted by one to three O, S, NH or N(C.sub.1-C.sub.8alkyl)-, wherein C.sub.1-C.sub.25alkyl, C.sub.2-C.sub.25alkenyl, C.sub.2-C.sub.25alkynyl, C.sub.7-C.sub.9phenylalkyl, phenyl, C.sub.5-C.sub.8cycloalkyl, C.sub.1-C.sub.18alkoxy, C.sub.1-C.sub.8alkylamine, di(C1-C8alkyl)amino, C.sub.1-C.sub.25alkanoyloxy, C.sub.1-C.sub.25alkanoylamino, C.sub.3-C.sub.25alkenoyloxy and interrupted C.sub.3-C.sub.25alkenoyloxy are unsubstituted or substituted by one to three groups selected from halogen, hydroxy, thiol, amino, C.sub.1-C.sub.4alkylamino, di(C.sub.1-C.sub.4alkyl)amino and C.sub.1-C.sub.4alkyl.

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