C08K2003/287

Conductive elastomer, preparation method and use thereof
10273343 · 2019-04-30 · ·

A preparation method of a conductive elastomer includes the following steps: (1) according to the mass percent of 2075%, dissolving the metallic salts into deionized water to form an electrolyte solution, wherein said metallic salts is either of magnesium nitrate, sodium nitrate, zinc nitrate, cesium nitrate, calcium nitrate, neodymium nitrate, aluminum nitrate, potassium nitrate, potassium chloride, magnesium chloride, calcium chloride, sodium chloride, zinc chloride, cesium chloride, aluminum chloride or their combinations; (2) according to the mass percent of 1040%, mixing starches into the electrolyte solution prepared in step (1), then at the temperature of 33120 C., stirring to gelatinize the starches, forming a viscous liquid; (3) standing the viscous liquid obtained in step (2) at 2590 C. for 10 min to 48 h to obtain the conductive elastomer.

POWDER FREE NITRILE GLOVE AND ITS COMPOSITION
20190119465 · 2019-04-25 ·

A nitrile glove made from dipping in a powder free coagulant solution comprising of 8-30% calcium salt, 0.1-1.0 aluminum salt and 0.1-1.0% nonionic surfactant; and a carboxylated nitrile latex optionally comprising of 0.1-2.0 phr wax.

Golf ball resin composition and golf ball
10226669 · 2019-03-12 · ·

A golf ball resin composition includes (A) a styrene-based thermoplastic elastomer having a Shore D hardness of not more than 48 and (B) a thermoplastic resin having a Shore D hardness of at least 49 and containing either styrene monomer units or diene monomer units on the molecule, in a compounding ratio A/B therebetween of from 85/15 to 15/85. Using this resin composition as a golf ball cover material provides the ball with an excellent controllability around the green on shots with a short iron such as a sand wedge. In addition, a sufficient reduction in the spin rate of the ball on shots with a driver is achieved, enabling the distance of the ball to be increased.

COATING FORMATION COMPOSITION AND METAL MATERIAL TREATMENT METHOD

This invention relates to a coating formation composition and a metal material treatment method that are capable of forming a laminate coating in which a chemical conversion coating and a surface treatment coating are laminated by applying and heating the composition on the surface of the metal material, without performing a chemical conversion treatment on the metal material separately from the surface treatment, and that are capable of imparting excellent rust prevention properties to the metal material. The invention provides a coating formation composition comprising an alkoxysilane oligomer, a metal salt, and a solvent, the solvent being water and/or a water-soluble organic solvent, and the metal salt being contained in an amount of 0.1 to 30 parts by mass per 100 parts by mass of the alkoxysilane oligomer.

EPOXY CURATIVE COMPOSITION AND COMPOSITIONS THEREFROM
20180371154 · 2018-12-27 ·

An epoxy curative is provided comprising: a) a Lewis base, b) calcium nitrate, and c) a polyamine amide salt. The present disclosure additionally provides a composition which is a mixture obtained by mixing the epoxy curative and a curable epoxy resin. The present disclosure additionally provides cured compositions which result from cure of such a mixture.

ORGANIC-INORGANIC POLYMERIC WATER-RETAINING FERTILIZER AND PREPARATION METHOD OF THE SAME
20180354869 · 2018-12-13 ·

The present invention provides an organic-inorganic polymeric water-retaining fertilizer. The organic-inorganic polymeric water-retaining fertilizer is a co-polymer made by fusion and co-polymerization of an organic water-retaining monomer and an inorganic nutrient under action of a catalyst, a biological enzyme and a modifying agent. The co-polymer is of a three-dimensional mesh-like hydrophilic group structure. In a method for preparing the organic-inorganic polymeric water-retaining fertilizer, after obtaining a neutralized pre-polymer from the organic water-retaining monomer under the action of the catalyst, an initiator and a cross-linking agent are added; the inorganic nutrient and a metasilicate are added simultaneously, a solution is formed by stirring sufficiently; the biological enzyme is added for catalysis; a co-polymer is obtained after fusion and co-polymerization; and granulation and drying are carried out. Preferably, the catalyst is an inorganic alkaline solution. Preferably, the catalyst is selected from the group consisting of a sodium hydroxide solution, a potassium hydroxide solution, an ammonia water and a calcium hydroxide solution.

Method for manufacturing an adhesive compound for use in the production of corrugated paperboard

A method of manufacturing an adhesive composition for use in the production of paperboard is provided. An amount of water contained within a source container is provided. The water is heated to a first temperature. A rheology modifier is added to the heated water to create a heated solution. A starch is added to the heated solution. The heated solution is mixed for a first period of time to create a heated mixture. Additionally, there may be more independent time segments determining an amount of time which the components of the heated solution are mixed or blended together. Additional elements of the adhesive composition are added to the heated mixture between each mixing time segment.

Adhesive composition

The present technology provides an adhesive composition containing a urethane prepolymer (UP), plural types of carbon blacks (CB), calcium carbonate, aliphatic isocyanate, a metal catalyst, and an amine catalyst, wherein first and second CBs have dibutyl phthalate oil absorptions of from 23 to 40 cm.sup.3/100 g and from 85 to 120 cm.sup.3/100 g, respectively; contents 1 and 2 of the first and second CBs are respectively not less than 25 parts by mass and not less than 9 parts by mass per 100 parts by mass of the UP; a content of the calcium carbonate is from 5 to 30 parts by mass per 100 parts by mass of the UP, and from 5 to 50 parts by mass per 100 parts by mass of a sum of the contents 1 and 2.

Accelerator for curing epoxy resins comprising alkylated amines

A composition containing calcium nitrate, at least one epoxy resin and at least one amine of formula (I). The composition allows the manufacture of low-emission epoxy-resin coatings that have good workability and that cure particularly rapidly in cold and damp conditions, without blushing-induced surface defects, thus achieving coatings of in particular high mechanical quality, with a minimal tendency to yellowing.

Adhesive Composition
20180086956 · 2018-03-29 ·

The present technology provides an adhesive composition containing a urethane prepolymer (UP), plural types of carbon blacks (CB), calcium carbonate, aliphatic isocyanate, a metal catalyst, and an amine catalyst, wherein first and second CBs have dibutyl phthalate oil absorptions of from 23 to 40 cm.sup.3/100 g and from 85 to 120 cm.sup.3/100 g, respectively; contents 1 and 2 of the first and second CBs are respectively not less than 25 parts by mass and not less than 9 parts by mass per 100 parts by mass of the UP; a content of the calcium carbonate is from 5 to 30 parts by mass per 100 parts by mass of the UP, and from 5 to 50 parts by mass per 100 parts by mass of a sum of the contents 1 and 2.