D06N3/146

POLYCARBONATE DIOL COMPOSITION AND COATING MATERIAL COMPOSITION COMPRISING SAME
20230023221 · 2023-01-26 · ·

Provided is a polycarbonate diol composition comprising a polycarbonate diol represented by a specific formula and a diol component represented by a specific formula, wherein 90% by mol or more of the total quantity of terminal groups is hydroxy groups, a hydroxy value is 10 to 400 mg-KOH/g, a proportion of the polycarbonate diol is 80% by mass or more and 99.90% by mass or less and a proportion of the diol component is 0.10% by mass or more and 20% by mass or less based on 100% by mass in total of the carbonate diol and the diol component.

USING A POLYOL MIXTURE COMPRISING PBD FOR CREATING A PU-BASED ARTIFICIAL TURF

A method of manufacturing an artificial turf includes creating fluid polyurethane mass. The creation including reacting first and second polyols with an isocyanate. The first polyol is a polyether polyol and/or a polyester polyol having at least 2 hydroxyl groups per molecule, the second polyol being polybutadien diol. The isocyanate including isocyanate monomers, isocyanate polymers or isocyanate prepolymers or a mixture thereof, the isocyanate monomers, isocyanate polymers and the isocyanate prepolymers having two or more isocyanate groups per molecule. The method further includes incorporating an artificial turf fiber into a carrier such that a first portion of the fiber protrudes to the front side of the carrier and that a second portion of the fiber is located at the back side of the carrier, adding the fluid polyurethane mass on the back side of the carrier, and hardening the fluid polyurethane mass.

SHEET MATERIAL AND METHOD FOR PRODUCING SAME

The sheet material according to the present invention has a polymer elastic body and a fibrous base material comprising ultrafine fibers, wherein the average single fiber diameter of the ultrafine fibers is 0.1 .Math.m to 10.0 .Math.m, the polymer elastic body has a hydrophilic group and an N-acylurea bond and/or an isourea bond, and the following conditions are satisfied : the longitudinal stiffness, in accordance with method A (45° cantilever method) in the text of “8.21 Stiffness” of JIS L 1096:2010 “Testing Methods for Woven and Knitted Fabrics”, is 40 mm to 140 mm ; and after immersion for 24 hours in N,N-dimethylformamide, the following are obtained in wear testing using a pressing load of 12.0 kPa and 20,000 friction cycles in accordance with method E (Martindale method) in the text of “8.19 Wear Strength and Friction Discoloration” of JIS L 1096:2010 “Testing Methods for Woven and Knitted Fabrics”: a grade of at least 4 and a wear loss of not more than 25 mg.

POLYCARBONATE DIOL COMPOSITION

A polycarbonate diol composition comprising polycarbonate diol having a structure represented by the following general formula (I) and a polycarbonate structure represented by the following general formula (II), wherein melt viscosity at 50° C. is 1000 to 10000 mPa.Math.s, and an average value of the number of repeats represented by n11 in the following general formula (I) is 12 or larger:

##STR00001##

URETHANE RESIN COMPOSITION AND LEATHER SHEET
20220403164 · 2022-12-22 · ·

A water-containing urethane resin composition that is produced using a biomass raw material and excellent in oleic acid resistance, texture, and liquid mixture stability. A urethane resin composition including: a urethane resin (A) having an anionic group and a nonionic group and produced using as a raw material a polycarbonate polyol (a1) produced using biomass-derived decanediol as a raw material; a nonionic emulsifier (B); and water (C). A leather sheet in which a coagulated product of the urethane resin composition is present in a fibrous substrate. Both the urethane resin (A) and the nonionic emulsifier (B) preferably have an oxyethylene group and an oxypropylene group.

Biobased aqueous polyurethane dispersions

An aqueous polyurethane dispersion includes particles of polyurethane in water, wherein the polyurethane is derived from an organic diisocyanate, a hydrophilic monomer, a neutralizer, a chain extender, and a polyester resin, the polyester resin being a random copolymer having randomly distributed subunits of formula 1: ##STR00001##
where: R is ethylene, octylene, or decylene, a is from about 40 to about 100 mole % of the polyester resin, b is from 0 to about 30 mole % of the polyester resin, c is from 0 to about 30 mole % of the polyester resin, and a+b+c=100 mole % of the polyester resin.

URETHANE RESIN COMPOSITION, ADHESIVE, AND SYNTHETIC LEATHER
20220389293 · 2022-12-08 · ·

A urethane resin composition including water, the urethane resin composition being produced using a biomass raw material and having high oleic-acid resistance, excellent low-temperature flexibility, and high peel strength. A urethane resin composition including an anionic urethane resin (X) and water (Y), in which the anionic urethane resin (X) is produced using a polyol (a) including a biomass-derived polycarbonate polyol (a1), a polyisocyanate (b), and an alkanolamine (c), as essential raw materials. Furthermore, An adhesive including the urethane resin composition and a synthetic leather having an adhesive layer formed from the adhesive.

SHEET MATERIAL AND METHOD FOR PRODUCING SAME

The purpose of the present invention is to provide: a sheet-like article which has a good balance between soft texture and excellent light resistance; and a method for producing this sheet-like article. In order to achieve this purpose, a sheet-like article according to the present invention has the following configuration. Specifically, a sheet-like article which contains a polymer elastic body in a fibrous base material, wherein: the fibrous base material is composed of ultrafine fibers that have an average single fiber diameter of from 0.1 μm to 10 μm; the polymer elastic body has a hydrophilic group, while containing a polyether diol as a constituent; the polymer elastic body internally has an N-acylurea bond and/or an isourea bond; and the condition 1 and the condition 2 described below are satisfied. Condition 1: The bending resistance in the lengthwise direction as determined in accordance with specific standards is from 40 mm to 140 mm. Condition 2: The abrasion weight loss after 20,000 cycles of a Martindale abrasion test set forth in JIS L 1096 (2005) after a light resistance test as performed under the conditions defined in accordance with specific standards is 25 mg or less.

LIGHT-EMITTING DISPLAY DEVICE, AND A LIGHT-BLOCKING LAYER-EQUIPPED FIBER SHEET FOR USE IN LIGHT-EMITTING DISPLAY DEVICE
20230053585 · 2023-02-23 · ·

A light-emitting display device includes: a light-emitting member; and a light-blocking layer-equipped fiber sheet that covers a light-emitting surface of the light-emitting member. The light-blocking layer-equipped fiber sheet includes a fiber sheet, and a light-blocking layer that is partially printed on at least one surface of the fiber sheet. The surface of the fiber sheet on which the light-blocking layer is formed has an arithmetic mean height Sa of 3 to 20 μm, as measured based on ISO 25178, and the fiber sheet has an apparent density of 0.5 g/cm.sup.3 or more.

FRUIT EXTRACT LEATHER AND PREPARATION METHOD THEREOF
20230088764 · 2023-03-23 ·

This application provides a fruit extract leather. The fruit extract leather includes a prepolymer material A, a prepolymer material B, and a base fabric. The prepolymer material A includes a fruit powder, and the fruit powder is obtained by grinding a remaining residue material obtained after fruit peels and/or fruit kernels are extracted. This application further provides a method for preparing the fruit extract leather. According to the fruit extract leather and the preparation method thereof provided in this application, polyester and other components in leather are substituted, fruit peels and/or fruit kernels are recycled, and waste and environmental pollution are reduced.