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    • 3. 发明授权
    • One-component polyurethane type adhesive, and use thereof
    • 单组分聚氨酯类粘合剂及其用途
    • US5410011A
    • 1995-04-25
    • US109099
    • 1993-08-19
    • Shin KonishiShinji HirayamaTakao HidaiYukihiro MorikawaKoichi UeharaSadako Hashimoto
    • Shin KonishiShinji HirayamaTakao HidaiYukihiro MorikawaKoichi UeharaSadako Hashimoto
    • C08G18/79C09J175/00C09J175/04G08G18/79
    • C08G18/798C09J175/04C08G2170/20Y10S528/905
    • A one-component type polyurethane adhesive: comprising, as a main component, a polyurethane precursor prepared by reaction of a polyisocyanate component (a) containing one or more polyisocyanate compounds (a-1) mention below and optionally one or more polyisocyanates (a-2) mention below with an active hydrogen compound (b) having a molecular weight of from 18 to 20,000 and having two or more active hydrogen groups in the molecule, at an equivalent ratio of the active hydrogen group of the active hydrogen compound component (b) to the isocyanate group of the polyisocyanate component (a) of more than 1.0; the polyurethane precursor containing a uretdione group and the active hydrogen group at an equivalent ratio of the uretdione group to the active hydrogen groups of from 0.25 to 1.0,(a-1): a polyisocyanate compound having at least a uretdione group in the molecule thereof, and(a-2): a polyisocyanate having two or more isocyanate groups in the molecule thereof.
    • 一种单组分型聚氨酯粘合剂:以包含一种或多种以下提及的多异氰酸酯化合物(a-1)和任选的一种或多种多异氰酸酯(a- 1)的多异氰酸酯组分(a)的反应制备的聚氨酯前体作为主要组分, 2)以分子内具有活性氢化合物组分(b)的活性氢基团的当量比的分子量为18至20,000的活性氢化合物(b)和具有两个或多个活性氢基团的活性氢化合物(b) )多异氰酸酯组分(a)的异氰酸酯基团大于1.0; 含有脲二酮基团和活性氢基团的脲基二醇基团与活性氢基团的当量比为0.25至1.0的(a-1):在其分子中具有至少一个脲二酮基团的多异氰酸酯化合物 ,(a-2):分子中具有2个以上异氰酸酯基的多异氰酸酯。
    • 5. 发明授权
    • Self-emulsifiable polyisocyanate mixture and aqueous coating or adhesive
composition comprising the mixture
    • 自乳化聚异氰酸酯混合物和含有该混合物的水性涂料或粘合剂组合物
    • US5631341A
    • 1997-05-20
    • US570473
    • 1995-12-11
    • Takeshi MorishimaShin KonishiShinjiro Hama
    • Takeshi MorishimaShin KonishiShinjiro Hama
    • C08G18/65C08G18/08C08G18/28C08G18/36C08G18/70C08G18/79C08G18/80C09D5/00C09D175/00C09D175/04C09D175/08C09J175/08C08G18/10
    • C08G18/283C08G18/0823C08G18/36C08G18/706C08G18/79C08G18/798C08G18/8009C08G18/8012C08G18/8064C08G2170/80Y10S528/905
    • A self-emulsifiable polyisocyanate mixture having a hexamethylene diisocyanate monomer content of not more than 1.0% by weight and an average NCO functionality of 2.0 to 3.7 obtained by subjecting hexamethylene diisocyanate to urethanation with a branched dihydric alcohol having overall 4 to 35 carbon atoms, of which 2 to 33 carbon atoms are a total number of the carbon atoms possessed by one or more branches, a hydrophilic surfactant having one or more active hydrogen atoms capable of reacting with NCO group and 3 to 90 alkylene oxide units, an aliphatic compound having one or more active hydrogen atoms capable of reacting with NCO group and 8 or more carbon atoms and an unbranched glycol having 1 to 10 carbon atoms; uretdione-forming reaction; and isocyanurate-forming reaction. Said self-emulsifiable polyisocyanate mixture is excellent in compatibility, dispersion stability and NCO group-stability and can be combined with water or a water-soluble resin and/or an aqueous emulsion, and if necessary, an additive to provide an aqueous coating or adhesive composition excellent in heat resistance, workability, coating film appearance, weather resistance and adhesion to substrate.
    • 具有六亚甲基二异氰酸酯单体含量不大于1.0重量%且平均NCO官能度为2.0-3.7的自乳化多异氰酸酯混合物,其通过使六亚甲基二异氰酸酯与具有总共4至35个碳原子的支化二元醇进行氨基甲酸酯化反应得到 其中2至33个碳原子是一个或多个分支具有的碳原子总数,具有一个或多个能够与NCO基团反应的活性氢原子和3至90个环氧烷单元的亲水性表面活性剂,具有一个 或更多能够与NCO基团和8个或更多个碳原子反应的活性氢原子和具有1-10个碳原子的未分支的二醇; 脲二酮形成反应; 和异氰脲酸酯形成反应。 所述自乳化多异氰酸酯混合物的相容性,分散稳定性和NCO基团稳定性优异,并且可以与水或水溶性树脂和/或水乳液组合,并且如果需要,可提供添加剂以提供水性涂料或粘合剂 耐热性,加工性,涂膜外观,耐候性和与基材的粘合性优异的组合物。
    • 6. 发明授权
    • Mold material composition and method for preparing mold
    • 模具材料组成及其制备方法
    • US5473009A
    • 1995-12-05
    • US197953
    • 1994-02-17
    • Tadashi KimuraOsamu IshizuShin Konishi
    • Tadashi KimuraOsamu IshizuShin Konishi
    • B22C1/16B22C1/22C08G18/48C08L75/08C08K3/36
    • C08G18/482B22C1/167B22C1/2273
    • A self-hardening mold material composition comprising 100 parts by weight of molding sand, 0.1 to 6 parts by weight of a component (a), 0.1 to 4 parts by weight of a component (b), 0.05 to 2.0 parts by weight of a component (c) as SiO.sub.2, and 0.01 to 0.5 parts by weight of a component (d) on the basis of 100 parts by weight of the component (b), wherein the component (a) is an organic polyisocyanate having at least two isocyanate groups; the component (b) is a polyetherpolyol mixtures comprising aminopolyetherpolyol, obtained by addition reaction of aliphatic or aromatic amine with alkylene oxide, and a non-aminopolyetherpolyol and containing 5 to 85% by weight of primary hydroxyl-containing polyetherpolyol, the component (c) is at least one of silicate ester, its hydrolysis products, a water dispersion-type silica sol and an alcohol dispersion-type silica sol; and the component (d) is a reaction catalyst, can produce a mold having a good strength after being left standing in the atmosphere at the ordinary temperature and after a molten metal is poured therein, a good shake-out when the mold is dismantled, without any need for mold wash at all or with a need only for simple mold wash.
    • 一种自硬模具材料组合物,其包含100重量份的型砂,0.1至6重量份的组分(a),0.1至4重量份的组分(b),0.05-2.0重量份的 组分(c)作为SiO 2,和基于100重量份组分(b)的0.01至0.5重量份的组分(d),其中组分(a)是具有至少两个异氰酸酯的有机多异氰酸酯 团体 组分(b)是包含通过脂族或芳族胺与烯化氧的加成反应得到的氨基聚醚多元醇和非氨基聚醚多元醇的聚醚多元醇混合物,其含有5-85重量%的含伯羟基的聚醚多元醇,组分(c) 是硅酸酯,其水解产物,水分散型硅溶胶和醇分散型二氧化硅溶胶中的至少一种; 组分(d)是反应催化剂,可以在常温下放置在大气中并在浇注熔融金属之后产生具有良好强度的模具,当拆卸模具时,其具有良好的振动, 完全不需要模具清洗,或只需要简单的模具清洗。