Patent classifications
C08J2321/00
Ethylene/?-olefin/non-conjugated polyene copolymer, and production process and use thereof
A novel ethylene/?-olefin/non-conjugated polyene copolymer comprising structural units derived from ethylene (A), an ?-olefin (B) of 3 to 20 carbon atoms, and a non-conjugated polyene (C) containing intramolecularly two or more partial structures in total selected from the group consisting of structures of Formulae (I) and (II), and having a small number of long-chain branches, ##STR00001## The novel ethylene/?-olefin/non-conjugated polyene copolymer contains a non-conjugated polyene such as VNB as a copolymerization component and a small long-chain branch content and is excellent in curing properties in the case of crosslinking using peroxide; and a process for producing the ethylene/?-olefin/non-conjugated polyene copolymer, and a use thereof are provided.
Carbon and elastomer integration
Compounds having an elastomer material, a filler material, at least one additive material, and at least one accelerant material are disclosed. In various embodiments, the filler material comprises a graphene-based carbon material. In various embodiments, the graphene-based carbon material comprises graphene comprising up to 15 layers, carbon aggregates having a median size from 1 to 50 microns, a surface area of the carbon aggregates at least 50 m.sup.2/g, when measured via a Brunauer-Emmett-Teller (BET) method with nitrogen as the adsorbate, and no seed particles.
Method for Manufacturing a Rubber Pellet, a Rubber Pellet as Well as a Product Manufactured from Such Rubber Pellet
The invention relates to a method for manufacturing a pellet, comprising a) providing residual rubber powder from a rubber disintegration process; b) providing a pelletizing system, including a pelletizer and a cooling device; c) feeding the residual rubber powder as at least part of a feed material, into a pelletizer; d) providing the rubber powder in an amount between 50% and 100%; e) applying a pressure to the residual rubber for a predetermined process duration; f) releasing the pelletized rubber and cooling the pelletized rubber at a cooling rate dependent on the operational temperature of the pelletizer.
METHOD FOR RECLAIMING RUBBER, AND RENEWED RUBBER COMPOSITIONS OBTAINABLE THEREBY
The invention relates to the recycling of used rubber products, more specifically to the recycling of Ground Tire Rubber (GTR) from cars and trucks. Provided is a method for reclaiming rubber, comprising the steps of (i) providing a starting material comprising a vulcanized rubber polymer; (ii) subjecting the starting material to mechanical stress and at a temperature of at least 200? C. to achieve at least a partial destruction of the cross-links and the backbone structure of the rubber polymer into fragments; and (iii) reconstituting at least part of the fragments in the presence of a branching/grafting agent to obtain a renewed rubber composition.
INSTRINSICALLY ANTIMICROBIAL POROSIC MATRIX COMPOSITES AND METHOD OF MANUFACTURE THEREOF
A method of manufacturing a flexible intrinsically antimicrobial absorbent porosic composite controlling for an effective pore size using removable pore-forming substances and physically incorporated, non-leaching antimicrobials. A flexible intrinsically antimicrobial absorbent porosic composite controlled for an effective pore size composited physically incorporated, high-surface area, non-leaching antimicrobials, optionally in which the physically incorporated non-leaching antimicrobial exposes nanopillars on its surface to enhance antimicrobial activity. A kit that enhances the effectiveness of the intrinsically antimicrobial absorbent porosic composite by storing the composite within an antimicrobial container.
MASTERBATCH
A masterbatch is disclosed including a sulfide compound (A) and filler (B). The sulfide compound (A) is a chain or cyclic compound of repeating units represented by
RS.sub.x(I)
where R represents a linear, branched or cyclic alkylene group having 1 to 12 carbon atoms; a linear, branched or cyclic (poly)oxyalkylene group having 1 to 12 carbon atoms; or a linear, branched or cyclic (poly)thioalkylene group having 1 to 12 carbon atoms (wherein the alkylene group, the (poly)oxyalkylene group and the (poly)thioalkylene group are unsubstituted or have 1 or more optional substituents), and x represents an integer from 1 to 8. The filler (B) is at least one selected from the group consisting of carbon black, talc, clay, mica, sericite, diatomaceous earth, zinc white, and organic resin particles and satisfies following conditions that BET specific surface area is 0.1 to 200 m.sup.2/g and DBP oil absorption is 50 to 300 ml/100 g.
COMPOSITION FOR MOLDED FOAM AND METHOD FOR PRODUCING SAME, MOLDED FOAM AND METHOD FOR PRODUCING SAME, AND MODIFIED CELLULOSE-CONTAINING RESIN COMPOSITION FOR MOLDED FOAM
An object of the present invention is to provide a composition for a molded foam containing a peroxide and a blowing agent, in which cellulose fibers are uniformly dispersed in a resin for a foam molding material having high hydrophobicity such as a thermoplastic resin and a rubber, and a foam excellent in mechanical properties which is obtained by reaction of the composition for a molded foam during foam molding. The composition for a molded foam contains a modified cellulose fiber (A) having an unsaturated bond, a thermoplastic resin and/or a rubber (B), a peroxide (C), and a blowing agent (D).
PROCESS FOR PRODUCING TIRE MEMBER
A process comprises a step (iii) of dehydrating a filler-containing rubber solidified product to produce the tire member. The step (iii) is a step of adding, into the filler-containing rubber solidified product, a compound represented by formula (I):
##STR00001##
wherein R.sup.1 and R.sup.2 each represent a hydrogen atom, and an alkyl group, alkenyl group or alkynyl group that has 1 to 20 carbon atoms and R.sup.1 and R.sup.2 may be the same as or different from each other, and M.sup.+ represents a sodium ion, potassium ion or lithium ion, and dispersing the compound represented by the formula (I) into the filler-containing rubber solidified product, which contains water, while dehydrating the filler-containing rubber solidified product.
LAMINATED SHEET PROCESSING METHOD AND LAMINATED SHEET PROCESSING DEVICE
Provided is a laminated sheet processing method capable of easily separating a base material for forming many kinds of laminated sheets, such as pressure-sensitive adhesive tapes, release films, and antistatic films, and a functional layer such as a pressure-sensitive adhesive layer, a release layer, and an antistatic layer laminated on the base material, from each other, at low cost. Furthermore, a laminated sheet processing device used for such a laminated sheet processing method is provided. The laminated sheet processing method according to an embodiment of the present invention is a method for processing a laminated sheet including a base material layer and a functional layer, and includes a step (I) of applying a separation liquid to a surface of the functional layer.
Hot Melt Adhesive Film Bonding Rubber and Ethylene-Vinyl Acetate (EVA) Foam
A hot melt adhesive film for bonding an ethylene-vinyl acetate form and a rubber includes a hot melt adhesive film layer and a release film layer. The hot melt adhesive film layer is prepared by the following raw materials in parts by weight: a 20-50 parts by weight of polyethylene-ester copolymer, a 5-15 parts by weight of rubber, a 15-55 parts by weight of thermoplastic polyolefin, a 5-20 parts by weight of tackifier and a 5-30 parts by weight of auxiliary. The release film layer is releasably adhered to the hot melt adhesive film layer.