C08C19/04

PEROXIDE VULCANIZATION OF RUBBER LATEXES

A peroxide formulation includes at least one peroxide and at least one compound having a secondary amine group selected from amino acids, such as arginine, folic acid, and polyethyleneamines. The peroxide formulation is capable of curing an aqueous elastomer such as a latex in the full or partial presence of oxygen. Methods of using the peroxide formulation include dip-molding latex elastomer compositions.

PEROXIDE VULCANIZATION OF RUBBER LATEXES

A peroxide formulation includes at least one peroxide and at least one compound having a secondary amine group selected from amino acids, such as arginine, folic acid, and polyethyleneamines. The peroxide formulation is capable of curing an aqueous elastomer such as a latex in the full or partial presence of oxygen. Methods of using the peroxide formulation include dip-molding latex elastomer compositions.

Modified polymerization initiator and modified conjugated diene- based polymer including functional group derived therefrom

The present invention relates to a modified polymerization initiator for a conjugated diene-based polymer, and a modified conjugated diene-based polymer including a functional group derived from the modified polymerization initiator.

MODIFIED CONJUGATED DIENE POLYMER AND POLYMER COMPOSITION INCLUDING SAID MODIFIED CONJUGATED DIENE POLYMER
20220267537 · 2022-08-25 · ·

The present invention provides a modified conjugated diene polymer that has excellent hydrophilicity and is useful for modification of polar polymers. The present invention also provides a modified conjugated diene polymer and a polymer modifier that, when used for modification of a polar polymer, can enhance characteristics, for example, flexibility, of the composition including the polymer and also offer excellent processability and shaping properties. The present invention further provides a polymer composition including such a conjugated diene polymer. A polymer modifier (A) includes a modified conjugated diene polymer (A1) having a hydrophilic group having a polyethylene glycol structure.

Recyclable cross-linked diene elastomers comprising furanyl groups and precursors thereof

Disclosed are new precursors of recyclable cross-linked diene elastomers including chain-end units with furanyl groups, their use in the preparation of the recyclable elastomers and their process of preparation. Also disclosed are new recyclable cross-linked diene elastomers, their preparation process and their uses.

Recyclable cross-linked diene elastomers comprising furanyl groups and precursors thereof

Disclosed are new precursors of recyclable cross-linked diene elastomers including chain-end units with furanyl groups, their use in the preparation of the recyclable elastomers and their process of preparation. Also disclosed are new recyclable cross-linked diene elastomers, their preparation process and their uses.

Polymeric-inorganic nanoparticle compositions, manufacturing process thereof and their use as lubricant additives

The invention relates to polymeric-inorganic nanoparticle compositions and preparation processes thereof. The invention also relates to an additive and lubricant compositions comprising these polymeric-inorganic nanoparticle compositions, as well as to the use of these polymeric-inorganic nanoparticle compositions in an oil lubricant formulation to improve tribological performance, in particular to improve extreme pressure performance and friction reduction on metal parts.

CARBOXYLIC ACID MODIFIED-NITRILE BASED COPOLYMER LATEX AND LATEX COMPOSITION FOR DIP-FORMING COMPRISING THE COPOLYMER LATEX AND ARTICLE FORMED BY THE COMPOSITION
20220204732 · 2022-06-30 · ·

Disclosed is a latex composition for dip molding including a carboxylic acid-modified nitrile-based copolymer latex satisfying General Formula 1, wherein the carboxylic acid-modified nitrile-based copolymer includes: 15 wt % to 30 wt % of the ethylenic unsaturated nitrile-based monomer-derived unit and 2.5 wt % to 4.5 wt % of the ethylenic unsaturated acid monomer-derived unit, and a molded article:


1.0 mm.sup.2/s≤CV.sub.0≤3.0 mm.sup.2/s.  General Formula 1

CARBOXYLIC ACID MODIFIED-NITRILE BASED COPOLYMER LATEX AND LATEX COMPOSITION FOR DIP-FORMING COMPRISING THE COPOLYMER LATEX AND ARTICLE FORMED BY THE COMPOSITION
20220204732 · 2022-06-30 · ·

Disclosed is a latex composition for dip molding including a carboxylic acid-modified nitrile-based copolymer latex satisfying General Formula 1, wherein the carboxylic acid-modified nitrile-based copolymer includes: 15 wt % to 30 wt % of the ethylenic unsaturated nitrile-based monomer-derived unit and 2.5 wt % to 4.5 wt % of the ethylenic unsaturated acid monomer-derived unit, and a molded article:


1.0 mm.sup.2/s≤CV.sub.0≤3.0 mm.sup.2/s.  General Formula 1

MODIFIED LIQUID DIENE RUBBERS, RUBBER COMPOSITIONS, AND SEALING MATERIALS
20230272125 · 2023-08-31 · ·

The present invention provides a modified liquid diene rubber that is capable of giving a crosslinked product with excellent adhesion evaluated in terms of shear bond strength, a rubber composition including the modified liquid diene rubber, and a sealing material obtained from the rubber composition. A modified liquid diene rubber (A) has a functional group (a) derived from an acid anhydride, and contains butadiene units in an amount of 50 mass % or more based on the total monomer units, and the polystyrene-equivalent weight average molecular weight (Mw) measured by gel permeation chromatography (GPC) is in the range of 5,000 to 50,000.