C08G18/71

PROCESSES FOR PRODUCING FILLED POLYOL COMPOSITIONS
20230102722 · 2023-03-30 ·

Processes for producing filled polyol compositions, such as polymer polyol compositions. The processes include reacting a polymerizable composition in the presence of a composition comprising a base polyol and an amine antioxidant, in which the amine antioxidant comprises a secondary diarylamine, a primary aromatic amide, a triazole, or a combination thereof.

Amino silicone oil-modified elastomer material and preparation method thereof

An amino silicone oil-modified elastomer material includes Component A and Component R. Component A includes isocyanate prepolymer obtained through reaction of polyol and isocyanate, and the isocyanate prepolymer has a —NCO content of 22-30%; Component R includes the following components in parts by weight: 45-60 parts of polyether amine, 1-6 parts of liquid amine chain extender, 1-10 parts of polysulfide rubber, 2-8 parts of nano silica, and 3-8 parts of amino silicone oil. The elastomer material of the invention ensures the elasticity of the polymer while improving mechanical properties. Moreover, it can improve elongation, wear resistance and water resistance of the polyurea material.

Amino silicone oil-modified elastomer material and preparation method thereof

An amino silicone oil-modified elastomer material includes Component A and Component R. Component A includes isocyanate prepolymer obtained through reaction of polyol and isocyanate, and the isocyanate prepolymer has a —NCO content of 22-30%; Component R includes the following components in parts by weight: 45-60 parts of polyether amine, 1-6 parts of liquid amine chain extender, 1-10 parts of polysulfide rubber, 2-8 parts of nano silica, and 3-8 parts of amino silicone oil. The elastomer material of the invention ensures the elasticity of the polymer while improving mechanical properties. Moreover, it can improve elongation, wear resistance and water resistance of the polyurea material.

Elastomer material modified by a hybrid hard segment material and preparation method thereof

An elastomer material includes at least two components; the first component includes isocyanate prepolymer obtained through reaction of polyol and isocyanate, and its —NCO content is 22-30%; the second component includes 50-70 parts of polyether amine, 2-10 parts of liquid amine chain extender, 5-15 parts of hydroxyl-terminated polybutadiene, and 1-15 parts of hybrid hard segment material; the hybrid hard segment material includes one or more of nano titanium dioxide, nano aluminum oxide and nano silica. Through adjusting the —NCO content of the isocyanate prepolymer, increasing the hard segment content, and combining with the components in the second component, the invention ensures the elasticity of the polymer while improving its mechanical properties, and also improves the electrical insulation and wear resistance of the material.

Elastomer material modified by a hybrid hard segment material and preparation method thereof

An elastomer material includes at least two components; the first component includes isocyanate prepolymer obtained through reaction of polyol and isocyanate, and its —NCO content is 22-30%; the second component includes 50-70 parts of polyether amine, 2-10 parts of liquid amine chain extender, 5-15 parts of hydroxyl-terminated polybutadiene, and 1-15 parts of hybrid hard segment material; the hybrid hard segment material includes one or more of nano titanium dioxide, nano aluminum oxide and nano silica. Through adjusting the —NCO content of the isocyanate prepolymer, increasing the hard segment content, and combining with the components in the second component, the invention ensures the elasticity of the polymer while improving its mechanical properties, and also improves the electrical insulation and wear resistance of the material.

USE OF SPECIFIC OPEN-CHAIN ETHER ISOCYANATES

The invention relates to the use of at least one open-chain, optionally branched, ether isocyanate having an NCO functionality≥1, wherein 2 or 3 carbon atoms are present between at least one NCO group and at least one ether-oxygen atom, optionally in the presence of other reactants such as alcohols, amines, water, CO.sub.2, or of other reactants having an NCO functionality≥1, optionally in the presence of at least one catalyst, to increase the reaction speed and/or to reduce the optionally required catalyst amount during isocyanate modification. The invention further relates to a process for modifying isocyanates, to the modified isocyanates as such and to a two-component system or one-component system and to the moldings, coatings and composite parts obtainable therefrom.

Oxidic silicon particle dispersion in polyol

A graft macromer, comprising the reaction product of at least one macromer being at least one molecule which comprises in its structure one or more hydroxyl-terminated polyether and/or polyester chains, with at least one grafting compound which comprises in its structure at least one at least monoalkoxylated or at least monohalogenated silyl group and at least one alkyl, cycloalkyl or aryl containing group which is reactive towards the hydroxyl group of the macromer, is used for dispersing e.g. SiO.sub.2 in a polyol.

FILLED POLYOL COMPOSITIONS THAT INCLUDE A TRIAZOLE
20230083992 · 2023-03-16 ·

Filled polyol compositions that include a dispersion of polymer particles in a base polyol, in which the filled polyol composition further includes a triazole antioxidant. Methods for producing such filled polyol compositions are also described, as well as use of such filled polyol compositions in the production of polyurethane foams.

FILLED POLYOL COMPOSITIONS THAT INCLUDE A TRIAZOLE
20230083992 · 2023-03-16 ·

Filled polyol compositions that include a dispersion of polymer particles in a base polyol, in which the filled polyol composition further includes a triazole antioxidant. Methods for producing such filled polyol compositions are also described, as well as use of such filled polyol compositions in the production of polyurethane foams.

ADHESIVE MEMBER AND DISPLAY DEVICE INCLUDING THE SAME

A display device and an adhesive member are provided. A display device according to an embodiment of the present disclosure includes: a display panel; a cover window disposed on the display panel; and a first adhesive member disposed between the display panel and the cover window, in which the first adhesive member includes a urethane monomer, and the urethane monomer includes 2,6-diisopropylphenyl isocyanate (2,6-DIPPI) of about 5 wt % or more and about 10 wt % or less with respect to a total weight of the first adhesive member.