Tag Archives: polyurethane

Polyurethane with side carboxyl and side carbamateyl and paint composition

Application Number  00129484 Application Date  1995.12.20 Publication Number  1347928 Publication Date  2002.05.08 Priority Information   1994/12/21 US 361344   International Classification  C08G18/00;C09D175/04   Applicant(s) Name  BASF Corp.   Address     Inventor(s) Name  G.G. Minofshick;W.H. Olbirm   Patent Agency Code  11038 Patent Agent  li yong Abstracthigh polymer which connects both pendant carboxyl and pendant carbamate… Read More »

Hard polyurethane foam, and refrigerator utilizing said foam

Application Number  00128192 Application Date  2000.10.27 Publication Number  1298789 Publication Date  2001.06.13 Priority Information   1999/10/29 JP 308505/1999   International Classification  B29C44/02;B32B5/20;F25D23/08   Applicant(s) Name  Hitachi Co., ltd.   Address     Inventor(s) Name  Yokukura Hisao;Ito Yutaka;Kanno Seigi   Patent Agency Code  11038 Patent Agent  huang shuhui AbstractThe object of the invention is to obtain… Read More »

Productive technology for double-density polyurethane foam pad material

Application Number: 00116029Application Date: 2000.09.13Publication Number: 1296023Publication Date: 2001.05.23Priority Information: International: C08G18/00Applicant(s) Name: Deng WanxueAddress: Inventor(s) Name: Deng WanxuePatent Agency Code: 00000Patent Agent: Abstract A production process for polyurethane foamed cushion material applicable to seat of autombile, train and aircraft is characterized by adopting double pouring integral forming process, and heating the firstly-poured cushion material… Read More »

Siloxane surfactant usel for preparing polyurethane flexible moulded foamed body

Application Number: 00126880Application Date: 2000.09.01Publication Number: 1291619Publication Date: 2001.04.18Priority Information: 1999/9/1 US 09/388293International: C08G18/08Applicant(s) Name: Air products and Chemicals, Inc.Address: Inventor(s) Name: J.H. Forre;D.R. Batetser;A.R. Alnod;Jr.Patent Agency Code: 72001Patent Agent: liu yuanjinAbstract A method for preparing a polyurethane flexible molded by reacting an organic polyisocyanate with a polyol in the presence of urethane catalyst, water… Read More »

Process for preparation of high strength polyurethane aqueous dispersion

Application Number: 00116114Application Date: 2000.09.25Publication Number: 1285364Publication Date: 2001.02.28Priority Information: International: C08J3/03;C08L75/04Applicant(s) Name: Sichuan Heguang High Technology Development Co., Ltd.Address: Inventor(s) Name: Yue Yilun;Wu Dake;Yu HuiPatent Agency Code: 51126Patent Agent: yang dunhuaAbstract The present method of high-strength polyurethane water dispersion includes the following steps: prepolymerization of aliphatic or aromatic diisocyanate with polyester or polyether dihydric… Read More »

Polyurethane resin paint and its production process

Application Number: 00116520Application Date: 2000.06.14Publication Number: 1278543Publication Date: 2001.01.03Priority Information: International: C09D175/06Applicant(s) Name: Shanghai City Inst. of Architectural ScienceAddress: Inventor(s) Name: Wang Wei;Lu Hongde;Tian XiaomeiPatent Agency Code: 31002Patent Agent: fei kaikuiAbstract The polyurethane resin coating material comprises two components of A and B, the component A comprises modified polyester resin, pigment filler, adjuvant and solvent,… Read More »

Water-dispersed hydroxyl polyurethane and water-thinned two-component polyurethane paint composed thereby

Application Number: 00116990Application Date: 2000.07.04Publication Number: 1278539Publication Date: 2001.01.03Priority Information: International: C08L75/04;C09D175/04Applicant(s) Name: Gurun High Molecular Technology Co., Ltd., ShanghaiAddress: Inventor(s) Name: Wei Yuchun;Gao WenxianPatent Agency Code: 31208Patent Agent: dong meiAbstract The present invention relates to a composition of hydroxypolyurethane water dispersion, and its preparation process and water two-component polyurethane coating material formed from it.… Read More »

Process for reclaiming waste polyurethane foam

Application Number: 00117336Application Date: 2000.08.17Publication Number: 1309144Publication Date: 2001.08.22Priority Information: International: C08J11/04Applicant(s) Name: Fuzeng Foam Plastics Co., Ltd. DongguanAddress: Inventor(s) Name: Gao JinyanPatent Agency Code: 44215Patent Agent: wu xinxiangAbstract A process for reclaiming the waste foamed polyurethane includes such steps as pulverizing, adding stannous octoate (T-9), toluene diisocyanate (TB1) and polypropylene glycol (PPG), mixing and… Read More »

Rubber or TPR major sole and polyurethane subsole direct forming shoe-making process

Application Number: 00110538Application Date: 2000.06.15Publication Number: 1328914Publication Date: 2002.01.02Priority Information: International: B29D31/518Applicant(s) Name: Li PinAddress: Inventor(s) Name: Li PinPatent Agency Code: 21209Patent Agent: liu zhongdaAbstract The rubber of TPR major sole and polyurethane auxiliary sole one-step forming shoe making process includes the following steps: using rubber or TPR major sole with crude edge of 10… Read More »

Time hardening improved single-component polyurethane foamed material

Application Number: 00117886Application Date: 2000.06.05Publication Number: 1290715Publication Date: 2001.04.11Priority Information: 1999/6/9 DE 19926312.4International: C08G18/00;C08G18/06Applicant(s) Name: Hilti AGAddress: Inventor(s) Name: H. Franz;H. Silwia;V. PeterPatent Agency Code: 11038Patent Agent: wu yihuaAbstract The invention relates to a one-component polyurethane foam composition, which contains at least one prepolymer (isocyanate prepolymer), which has isocyanate groups, at least one blowing agent… Read More »

Process for preparing epoxy modified acrylic acid-polyurethane emulsion and water-soluble polyurethane paint

Application Number: 00111085Application Date: 2000.04.27Publication Number: 1320669Publication Date: 2001.11.07Priority Information: International: C09D175/04Applicant(s) Name: Shandong Polytechnical UnivAddress: Inventor(s) Name: Wu Youshi;Shi Yuanchang;Wu SiPatent Agency Code: 37205Patent Agent: geng qiangzhangAbstract An epoxy modified acrylic acid-polyurethane emulsion is prepared through the copolymerization of the hydroxy-containing compound (polyester or polyether, triglycol, epoxy resin, hydroxyethyl acrylate, or DMPA) with isocyanate-containing… Read More »

Polyurethane catalyst composition for improving hard foam performance

Application Number: 00118183Application Date: 2000.06.09Publication Number: 1277217Publication Date: 2000.12.20Priority Information: 1999/6/9 US 09/328674International: C08G18/16Applicant(s) Name: Air Products and Chemicals, Inc.Address: Inventor(s) Name: L. a. Mekando;J. G. Cornis;J. W. MileurPatent Agency Code: 72001Patent Agent: zhong shouqiAbstract The invention relates to a polyurethane catalyst composition which comprises N,N'-bis(3-dimethylaminopropyl) urea and 3-dimethylaminopropyl urea in a ratio that can… Read More »

Foaming agent for non-chlorofluorohydrocarbon hard polyurethane foam plastics

Application Number: 00111179Application Date: 2000.07.07Publication Number: 1283648Publication Date: 2001.02.14Priority Information: International: C08J9/04;C08L75/04Applicant(s) Name: Xiao ChengqiAddress: Inventor(s) Name: Xiao ChengqiPatent Agency Code: 37211Patent Agent: chen tingrongAbstract A foaming agent without chlorofluorohydrocarbon for hard polyurethane foam plastics contains plant acid (2.16-3.84%), aluminium sulfate (2.16-3.84), potassium nitrate (3.6-6.4), urea (4.5-8), propanetriol (7.2-12.8), propanediol (19.8-35.2), acetone (19.8-35.2), oil (23.4-41.6),… Read More »

Double-compsn. polyurethane compsn. and its preparing method

Application Number: 00122557Application Date: 2000.08.04Publication Number: 1283653Publication Date: 2001.02.14Priority Information: 1999/8/5 JP 222157/99International: C08L75/04;C09K3/10Applicant(s) Name: Mitsui Chemical Industry Co., Ltd.Address: Inventor(s) Name: Kawana Tsune;Sakakuchi Hirohide;Usaka KazutoPatent Agency Code: 31100Patent Agent: bai yihuaAbstract The two-component type polyurethane composition according to the present invention is obtained from a principal component containing a compound having an isocyanate group… Read More »

Enclosed integral polyurethane blade wheel and mould for making it

Application Number: 00112339Application Date: 2000.06.09Publication Number: 1328217Publication Date: 2001.12.26Priority Information: International: F04D29/22;F04D29/02Applicant(s) Name: Huohua Special Materials and Apparatus Factory, Yixing CityAddress: Inventor(s) Name: Pan Guoyu;Chen HongdePatent Agency Code: 32208Patent Agent: cao weihuaAbstract An enclosed integral polyurethane blade wheel features that its top and bottom cover plates and blades are made up of directly poured polyurethane.… Read More »

Method for making foamed polyurethane insulating material

Application Number: 00122799Application Date: 2000.08.09Publication Number: 1283644Publication Date: 2001.02.14Priority Information: 1999/8/9 JP 225685/99International: C08G18/00Applicant(s) Name: Kao Corp.Address: Inventor(s) Name: Ishikawa Atsushi;Sakai Mitsuru;Mori MasayoshiPatent Agency Code: 31100Patent Agent: zhang mingyuAbstract To provide a method for producing the subject thermal insulation material, favorable in foam fluidity during molding process, excellent in demoldability after the molding process, and… Read More »

Chain-extending agent for ordinary-temp quick solidification of Medical polyurethane elastomer

Application Number: 00113267Application Date: 2000.02.02Publication Number: 1273977Publication Date: 2000.11.22Priority Information: International: C08G18/18Applicant(s) Name: National Defence Science and Technology Univ., P. L. A.Address: Inventor(s) Name: Li Xiaodong;Peng Ping;Yue ManjunPatent Agency Code: 43008Patent Agent: zhao hongAbstract A chain-extending agent for ordinary-temp quick solidification aof medical polyurethane elastomer is disclosed. The aliphatic polyol (15-35%) and mixed catalyst system… Read More »

Polymer polylol, its prepn. method and prepn. of tough polyurethane foam

Application Number: 00126326Application Date: 2000.09.07Publication Number: 1298893Publication Date: 2001.06.13Priority Information: 1995/2/14 JP 025150/1995; 1994/4/12 JP 073250/1994; 1994/4/12 JP 073251/1994; 1994/5/20 JP 106432/1994International: C08G18/48;C08G65/02Applicant(s) Name: Mitsui Chemical Industry Co., Ltd.Address: Inventor(s) Name: Okubo Kazuhiko;Tsutsui;Hiroyoshi;Sakaki YoshitsuguPatent Agency Code: 11038Patent Agent: liu jinhuiAbstract A polymer polyol is prepared by polymerizing an ethylenically unsaturated monomer in the polyoxyalkylene polyol.… Read More »

Modified polyurethane elastomer material and its preparing method and use

Application Number: 00114428Application Date: 2000.03.16Publication Number: 1314426Publication Date: 2001.09.26Priority Information: International: C08G18/83Applicant(s) Name: Wuhan Univ.Address: Inventor(s) Name: Zhang Lina;Huang JinPatent Agency Code: 42200Patent Agent: kang dunmengAbstract The modified polyurethane elastomer material is prepared by mixing nitrolignin, castor oil type polyurethane, chain expander, 1,4-bytanediol and solvlent tetrahydrofuran and curing at proper condition. Compared with existing polyurethane,… Read More »

Silicone-polyether copolymer and its use in flexible moulded polyurethane foam

Application Number: 00126457Application Date: 2000.09.01Publication Number: 1286277Publication Date: 2001.03.07Priority Information: 1999/9/1 US 09/388,254International: C08G18/08;C08K5/5415Applicant(s) Name: Dow Corning Inc.Address: Inventor(s) Name: A.R. Arnold;Jr;D.R. Bates;J.H. FreyPatent Agency Code: 11038Patent Agent: liu menghaiAbstract Silicone polyether copolymer surfactants are disclosed which are useful as cell stabilizers in polyurethane flexible molded foams having the formula Me3Si(OSiMe2)x(OSiMeG)yOSiMe3 wherein G is a… Read More »

Porous polyurethane material

Application Number: 00110097Application Date: 2000.01.31Publication Number: 1259545Publication Date: 2000.07.12Priority Information: International: B32B19/02;C08L77/04Applicant(s) Name: Quan NingyiAddress: Inventor(s) Name: Quan NingyiPatent Agency Code: 23101Patent Agent: zhang huaminAbstract The present invention reltes to porous polyurethane material, its characteristics are: 65-75% polyurethane is used as basic structural body, 4-5% adhesive is used to make 21-29% powdered active carbon adhere… Read More »

Polyether/polyester type polyurethane material and process for preparing condom from it

Application Number: 00109920Application Date: 2000.07.14Publication Number: 1304944Publication Date: 2001.07.25Priority Information: International: A61F6/04;B29D23/00;C08G18/42;C08G18/66;C08L71/00Applicant(s) Name: Sichuan UnivAddress: Inventor(s) Name: Zhong Yinping;He Chengsheng;Fan CuirongPatent Agency Code: 51202Patent Agent: tang lirongAbstract A process for preparing polyether/polyester-type polyurethane features the two-step polymerization of diisocyanate, polyether polyol, polyester polyol, chain-enlarging agent, lubricant and antioxidant. The condom is prepared through dissolving obtained… Read More »

Process for continuous preparation of thermalplastic polyurethane with improved sofetening property

Application Number: 00108725Application Date: 2000.05.26Publication Number: 1275584Publication Date: 2000.12.06Priority Information: 1999/5/26 DE 19924090.6International: C08G18/08Applicant(s) Name: Bayer AGAddress: Inventor(s) Name: W. Brauer;W. Kaufhold;F. MillerPatent Agency Code: 72001Patent Agent: pang lizhiAbstract Process for the continuous preparation of thermoplastically processable polyurethane elastomers with improved softening properties is disclosed. The process is carried out in a tubular reactor at… Read More »

Process for continjuous preparation of melted workable polyurethane with improved softening property

Application Number: 00108724Application Date: 2000.05.26Publication Number: 1275583Publication Date: 2000.12.06Priority Information: 1999/5/26 DE 19924089.2International: C08G18/08Applicant(s) Name: Bayer AGAddress: Inventor(s) Name: W. Kaufhold;W. Brauer;U. LisenphildPatent Agency Code: 72001Patent Agent: pang lizhiAbstract A process for the continuous preparation of melt processable polyurethane elastomers having improved softening behavior is disclosed. The process entails reacting a polyisocyanate, a polyol and… Read More »

Process and equipment for adding polymer to make polyurethane shoe sole

Application Number: 00108168Application Date: 2000.04.27Publication Number: 1320518Publication Date: 2001.11.07Priority Information: International: B29D31/515Applicant(s) Name: Liu KunzhongAddress: Inventor(s) Name: Liu KunzhongPatent Agency Code: 31100Patent Agent: sha yongshengAbstract A process for making polyurethane shoe sole from polymer material includes such steps as collecting waste polymer materials, classifying, cutting to become particles, polar treating, coating adhesive, mixing with isocyanate… Read More »

Aliphatic melt-cohesible thermoplastic polyurethane moulding composite with improved performance

Application Number: 00108150Application Date: 2000.04.29Publication Number: 1272514Publication Date: 2000.11.08Priority Information: 1999/5/4 DE 19920367.9International: C08G18/72;C08J5/00;C08L75/04Applicant(s) Name: Bayer AktiengesellschaftAddress: Inventor(s) Name: W. Kofhoerde;H.-G. Hoppe;R. AulingerPatent Agency Code: 72001Patent Agent: pang lizhiAbstract The invention relates to light-stable, sinterable thermoplastic polyurethane moulding compositions with reduced mechanical strength, and if necessary with improved tactile properties and improved write sensitivity, which… Read More »

Polyurethane rubber composite containing modified rubber gel

Application Number: 00108149Application Date: 2000.04.29Publication Number: 1272509Publication Date: 2000.11.08Priority Information: 1999/4/29 DE 19919459.9International: C08J3/24;C08L75/04Applicant(s) Name: Leyin Chemical Leyinno GmbHAddress: Inventor(s) Name: T. Frueh;L. Heriger;U. HofmannPatent Agency Code: 72001Patent Agent: pang lizhiAbstract Polyurethane rubber compositions comprise: (a) 1-100 parts by weight (pbw) of a rubber gel modified with functional groups reactive with C=C double bonds; and… Read More »

Process for preparing thermoplastic foam polyurethane body coiled continuously at ordinary pressure

Application Number: 00107801Application Date: 2000.06.12Publication Number: 1328076Publication Date: 2001.12.26Priority Information: International: C08J9/04;C08L75/04Applicant(s) Name: Housheng Co LtdAddress: Inventor(s) Name: Liu Wenzheng;Li Wenxuan;Liu YingfengPatent Agency Code: 11127Patent Agent: liu chaohuaAbstract A process for preparing coiled thermoplastic foamed polyurethane material uses thermoplastic polyurethane resin, foamer, filler and additive as raw materials, and includes such steps as mixing, pugging,… Read More »

Foamed polyurethane material containing natural fiber and its making process

Application Number: 00106256Application Date: 2000.05.19Publication Number: 1324893Publication Date: 2001.12.05Priority Information: International: C08J9/00;C08L75/04Applicant(s) Name: Zhao GenpuAddress: Inventor(s) Name: Zhao GenpuPatent Agency Code: 11127Patent Agent: huang jianAbstract The present invention provides a polyurethane foaming body containing natural fibre and its production method. Said foaming body contains natural fibre raw material whose content is 20-67% of total volume,… Read More »

Polyurethane adhesive

Application Number: 00105757Application Date: 2000.04.05Publication Number: 1316480Publication Date: 2001.10.10Priority Information: International: C09J175/04Applicant(s) Name: Jiang QinjunAddress: Inventor(s) Name: Jiang Yudong;Wang Ziping;Jiang QinjunPatent Agency Code: 11230Patent Agent: zhang ejunAbstract A polyurethane adhesive suitable for composite membrane such as Al-coated one contains main component prepared from polyurethane prepolymer, organic solvent and optional thermoplastic SBS elastomer, and solidifying agent… Read More »