-
公开(公告)号：CA1210652A
公开(公告)日：1986-09-02
申请号：CA441733
申请日：1983-11-23
Applicant: TORAY INDUSTRIES
Inventor： TANAKA MINORU , NAKAMURA HIDEO , MIZUGUCHI SHUNJI
IPC: C08G18/00 , C08G18/28 , C08G18/32 , C08G18/83 , C08L67/00 , C08L75/00 , C08L75/04 , D06M13/02 , D06M13/192 , D06M15/564 , D06N3/14 , B05D3/10
Abstract: The method of this invention makes it possible to provide a composite sheet material which has not only soft and pliable feel characteristics, despite its density, but also high resistance against discoloration and deterioration the method having a particular combination comprising (a) employment of a polyurethane elastomer containing a sterically hindered amino group in its molecule, (b) addition of a specific amount of polybasic acid and/or specific derivatives thereof, and (c) employment of wet-coagulation treatment.
-
公开(公告)号：IT8067090D0
公开(公告)日：1980-01-23
申请号：IT6709080
申请日：1980-01-23
Applicant: TORAY INDUSTRIES
Inventor： TANAKA MINORU , YAGI KENKICHI
Abstract: A composite sheet material comprising a fibrous sheet which is impregnated and/or coated with a polyurethane elastomer, wherein said polyurethane elastomer comprises the reaction product of (A) a polymeric diol having a molecular weight of about 800-5000, (B) an organic polyisocyanate, and (C) a chain extender comprising a low molecular weight organic diol, and if desired, (D) a chain terminator; wherein more than 2 mol % of (C) and/or (D) comprise a hindered amine compound having the formula I wherein R1 is a substituent selected from the group consisting of hydrogen, oxygen, an alkyl group containing 1-12 carbon atoms, an aralkyl group containing 7-18 carbon atoms, an acyl group containing 1-12 carbon atoms, -(R5O)nH and -(COR6CO2R7O)m-H, wherein R5 is an alkylene group containing 1-12 carbon atoms, R6 is a residue of an alkenyl group containing 2-12 carbon atoms, an organic dicarboxylic acid containing 2-12 carbon atoms, R7 is a residue of an organic diol containing 2-12 carbon atoms, n is an integer from 1 to 50 and m is an integer from 1 to 15; R2 is a substituent selected from the group consisting of hydrogen, an alkyl group containing 1-12 carbon atoms, an aryl group containing 6-18 carbon atoms and a cyano group; X is a substituent selected from the group consisting of a hydroxyl group, an amino group and a monoalkylamino group containing 1-12 carbon atoms, and said substituents whose part or all of are hydrogen atoms bonded to oxygen and/or nitrogen may be substituted by -(R5O)n-H and/or -(COR6CO2R7O)m-H, and wherein R3 and R4 are the same or different alkyl groups containing 1-12 carbon atoms, R3 and R4 being independent or bonded to form a 5-12-membered alicyclic ring. Said composite sheet material is useful as a synthetic leather, especially as a suede-like leather. It has a dense and elaborate structure, as well as a good flexibility and pliability. Furthermore, it has superior initial properties and superior abrasion resistance after being worn for a long time.
-
公开(公告)号：FR2416114A1
公开(公告)日：1979-08-31
申请号：FR7902383
申请日：1979-01-30
Applicant: TORAY INDUSTRIES
Inventor： TANAKA MINORU , YAGI KENKICHI , SHIMIZU KITAO
Abstract: A polyurethane elastomer which comprises a reaction product of (A) a polymeric diol having a molecular weight of about 800-5000, (B) a mixture of organic diisocyanates wherein about 2-70 mol % is composed of aliphatic diisocyanate (said aliphatic diisocyanate having no direct bond between an aromatic ring and an isocyanate group) and wherein the balance 98-30 mol % is composed of aromatic diisocyanate which includes a direct bond between an aromatic ring and an isocyanate group, and (C) a chain extender comprising hydrazine and/or a derivative having the formula NH2NHR and another chain extender having two functional groups constituting amino and/or hydroxyl groups, and wherein about 30-80% of the carbon atoms which are bonded to nitrogen atoms constituting the ureylene and/or urethane bonds of said polyurethane elastomer constitute benzene and/or naphthalene ring skeletons. and wherein about 2-70% of the ureylene bonds of said polyurethane elastomer are formed by the reaction of aliphatic diisocyanate and hydrazine and/or its derivative having the formula NH2NHR.
-
公开(公告)号：DE3688907T2
公开(公告)日：1993-12-09
申请号：DE3688907
申请日：1986-05-16
Applicant: TORAY INDUSTRIES , MASUDA MANUFACTURING CO
Inventor： HIKOTA TOYOHIKO , IWAMOTO SHIGEKI , TANAKA MINORU , KIMURA TATSUO , MASUDA MASAO
IPC: D06B15/04
Abstract: PCT No. PCT/JP86/00251 Sec. 371 Date Jan. 15, 1987 Sec. 102(e) Date Jan. 15, 1987 PCT Filed May 16, 1986 PCT Pub. No. WO86/06766 PCT Pub. Date Nov. 20, 1986.A liquid absorbing apparatus comprises a liquid absorption part provided with a fibrous sheet comprising a nonwoven fabric composed of three-dimensionally interlaced fibers and having a high-polymeric elastic material impregnated in cavities of the nonwoven fabric. The liquid absorption part is provided with a suction mechanism for suctioning a liquid. This apparatus has a remarkable liquid absorption power and a remarkable retentivity of the absortion power, and enables a uniform squeezing of a liquid. It is effectively useful for or in removing liquid deposited on or contained in such as a metal product, a fiber product, a ground floor and so forth to clean them.
-
公开(公告)号：DE2903151A1
公开(公告)日：1979-08-16
申请号：DE2903151
申请日：1979-01-27
Applicant: TORAY INDUSTRIES
Inventor： TANAKA MINORU , YAGI KENKICHI , SHIMIZU KITAO
Abstract: A polyurethane elastomer which comprises a reaction product of (A) a polymeric diol having a molecular weight of about 800-5000, (B) a mixture of organic diisocyanates wherein about 2-70 mol % is composed of aliphatic diisocyanate (said aliphatic diisocyanate having no direct bond between an aromatic ring and an isocyanate group) and wherein the balance 98-30 mol % is composed of aromatic diisocyanate which includes a direct bond between an aromatic ring and an isocyanate group, and (C) a chain extender comprising hydrazine and/or a derivative having the formula NH2NHR and another chain extender having two functional groups constituting amino and/or hydroxyl groups, and wherein about 30-80% of the carbon atoms which are bonded to nitrogen atoms constituting the ureylene and/or urethane bonds of said polyurethane elastomer constitute benzene and/or naphthalene ring skeletons. and wherein about 2-70% of the ureylene bonds of said polyurethane elastomer are formed by the reaction of aliphatic diisocyanate and hydrazine and/or its derivative having the formula NH2NHR.
-
Patent Agency Ranking
公开(公告)号：CA1111726A
公开(公告)日：1981-11-03
申请号：CA321308
申请日：1979-02-12
Applicant: TORAY INDUSTRIES
Inventor： TANAKA MINORU , YAGI KENKICHI , MIZUGUCHI SHUNJI
Abstract: A composite material comprising a fibrous sheet which is impregnated with a polyurethane elastomer. The polyurethane elastomer comprises the reaction product of(A) a polymeric diol having a molecular weight of from about 800 to about 4000; (B) an organic diisocyanate having the formula (I) (I) wherein R1 and R2 are hydrogen or an alkyl group having 1 to 5 carbon atoms, respectively, and (C) a chain extender comprising an organic diamine having the formula (II) (II) wherein R1 and R2 are hydrogen or an alkyl group having 1-5 carbon atoms, respectively, and a phthalic acid dihydrazide having the formula (III) (III) This composite sheet material is useful as a synthetic leather, especially as a suede-like leather sheet material, and has high density, good flexibility and crease resistance, a supple touch and an effective rubber-like repulsive elasticity.
-
公开(公告)号：DE3377991D1
公开(公告)日：1988-10-20
申请号：DE3377991
申请日：1983-11-22
Applicant: TORAY INDUSTRIES
Inventor： TANAKA MINORU , MIZUGUCHI SHUNJI , NAKAMURA HIDEO
-
公开(公告)号：FR2416794A1
公开(公告)日：1979-09-07
申请号：FR7830659
申请日：1978-10-27
Applicant: TORAY INDUSTRIES
Inventor： TANAKA MINORU , YAGI KENKICHI , MIZUGUCHI SHUNJI
Abstract: A composite material comprising a fibrous sheet which is impregnated with a polyurethane elastomer. The polyurethane elastomer comprises the reaction product of (A) a polymeric diol having a molecular weight of about 800-4000; (B) an organic diisocyanate having the formula (I) wherein R' and R2 are hydrogen or an alkyl group having 1-5 carbon atoms, respectively, and (C) a chain extender comprising an organic diamine having the formula (II) wherein R' and R2 are hydrogen or 40-95 mole % alkyl group having 1-5 carbon atoms, respectively, and a phthalic acid dihydrazide having the formula (III) This composite sheet material is useful as a synthetic leather, especially as a suede-like leather sheet material, and has high density, good flexiblity and crease resistance, a supple touch and 60-5 mole % pertinent rubber-like repulsive elasticity.
-
公开(公告)号：DE3688907D1
公开(公告)日：1993-09-23
申请号：DE3688907
申请日：1986-05-16
Applicant: TORAY INDUSTRIES , MASUDA MANUFACTURING CO
Inventor： HIKOTA TOYOHIKO , IWAMOTO SHIGEKI , TANAKA MINORU , KIMURA TATSUO , MASUDA MASAO
IPC: D06B15/04
Abstract: PCT No. PCT/JP86/00251 Sec. 371 Date Jan. 15, 1987 Sec. 102(e) Date Jan. 15, 1987 PCT Filed May 16, 1986 PCT Pub. No. WO86/06766 PCT Pub. Date Nov. 20, 1986.A liquid absorbing apparatus comprises a liquid absorption part provided with a fibrous sheet comprising a nonwoven fabric composed of three-dimensionally interlaced fibers and having a high-polymeric elastic material impregnated in cavities of the nonwoven fabric. The liquid absorption part is provided with a suction mechanism for suctioning a liquid. This apparatus has a remarkable liquid absorption power and a remarkable retentivity of the absortion power, and enables a uniform squeezing of a liquid. It is effectively useful for or in removing liquid deposited on or contained in such as a metal product, a fiber product, a ground floor and so forth to clean them.
-
公开(公告)号：CA1132862A
公开(公告)日：1982-10-05
申请号：CA320516
申请日：1979-01-30
Applicant: TORAY INDUSTRIES
Inventor： TANAKA MINORU , YAGI KENKICHI , SHIMIZU KITAO
Abstract: A polyurethane elastomer which comprises a reaction product of (A) a polymeric diol having a molecular weight of about 800-5000, (B) a mixture of organic diisocyanates wherein about 2-70 mol % is composed of aliphatic diisocyanate (said aliphatic diisocyanate having no direct bond between an aromatic ring and an isocyanate group) and wherein the balance 98-30 mol % is composed of aromatic diisocyanate which includes a direct bond between an aromatic ring and an isocyanate group, and (C) a chain extender comprising hydrazine and/or a derivative having the formula NH2NHR and another chain extender having two functional groups constituting amino and/or hydroxyl groups, and wherein about 30-80% of the carbon atoms which are bonded to nitrogen atoms constituting the ureylene and/or urethane bonds of said polyurethane elastomer constitute benzene and/or naphthalene ring skeletons, and wherein about 2-70% of the ureylene bonds of said polyurethane elastomer are formed by the reaction of aliphatic diisocyanate and hydrazine and/or its derivative having the formula NH2NHR. The polyurethane elastomer may be used to impregnate a fibrous sheet for the formation of a composite sheet material having improved durability.
-
-
-
-
-
-
-
-
-
Search Results
78
records
(took 0.024 seconds)
