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1. 发明专利

JPH06228263A POLYURETHANE RESIN COMPOSITION FOR REACTIVE INJECTION MOLDING 失效
公开(公告)号：JPH06228263A
公开(公告)日：1994-08-16
申请号：JP3751993
申请日：1993-02-02
申请人： NIPPON PAINT CO LTD , MAZDA MOTOR
发明人： OSHIMA TOSHIYUKI , ISHIBASHI HIDEO , YAMAMOTO SATOSHI , IZUMO KOJI , KANEKO MITSUHARU
IPC分类号： B29C45/00 , B29K75/00 , C08G18/32 , C08G18/48 , C08G18/50 , C08G18/65
摘要： PURPOSE:To provide the subject composition excellent in mold self-release property and coating film adhesivity by adding a specific component to the composition of a polyoxyalkylenepolyamine, an aromatic polyamine, xylylene diamine and a polyisocyanate compound. CONSTITUTION:The objective composition is obtained by compounding (D) a polyoxyalkylenediol-mono-4-18C alkyl ether having an average mol.wt. of 800-10000 with a polyurethane resin composition used for reactive injection molding and comprising (A) a polyoxyalkyleneamine (preferably polyoxypropylenediamine), (B) an aromatic polyamine (preferably 2,4- diaminotoluene) and/or xylylenediamine, and (C) a polyisocyanate compound [preferably methylene bis(4-phenylisocyanate)]. The component D is preferably obtained by subjecting an alkylene oxide such as ethylene oxide to a ring- opening addition polymerization in the presence of a basic catalyst and a 4-18C alkanol such as n-butanol as an initiator.

2. 发明专利

JPH05155974A POLYUREA RESIN COMPOSITION FOR REACTION INJECTION MOLDING 失效
公开(公告)号：JPH05155974A
公开(公告)日：1993-06-22
申请号：JP12841991
申请日：1991-04-30
申请人： NIPPON PAINT CO LTD , MAZDA MOTOR
发明人： OSHIMA TOSHIYUKI , ISHIBASHI HIDEO , TAMURA RIE , YAMAMOTO SATOSHI , IZUMO KOJI
IPC分类号： C08G18/32 , C08G18/50 , C08G18/65 , C08G18/66
摘要： PURPOSE:To provide the subject compsn. which has an improved moldability, esp. flowability, and gives a molded article having improved initial strengths. CONSTITUTION:The objective compsn. comprises a polyoxyalkylenepolyamine (A), an arom. polyamine and/or xylylenediamine (B), and a polyisocyanate compd. (C) and in which a part of or the whole of the component A and/or B is a modified amine prepd. by converting the primary amino group of the component into a secondary amino group by the Michael condensation reaction with an unsatd. compd. of the formula: CH2=C(R)-Y (wherein R is H or CH3 and Y is an electron-attracting group), such as 2-ethylhexyl acrylate.

3. 发明专利

JPH0790041A POLYUREA RESIN COMPOSITION 失效
公开(公告)号：JPH0790041A
公开(公告)日：1995-04-04
申请号：JP25936593
申请日：1993-09-22
申请人： NIPPON PAINT CO LTD , MAZDA MOTOR
发明人： ISHIBASHI HIDEO , MINAMINO HIROMASA , YAMAMOTO SATOSHI , IZUMO KOJI , KANEKO MITSUHARU
IPC分类号： C08G18/40
摘要： PURPOSE:To obtain the subject composition containing a specific modified polyamine, excellent in the flowability of its reaction mixture in a mold and in the initial rigidity and initial toughness of molded products just after molded, and useful for reaction injection moldings, etc. CONSTITUTION:This composition comprises (A) a polyoxyalkylenepolyamine, (B) an aromatic polyamine and/or xylendiamine, (C) the reactional product of polyglycidylether with an aromatic primary polyamine, and (D) a polyisocyanate compound, where at least one of the components A and B is a modified polyamine in which at least a part of the primary amino groups has been converted into a secondary amino group by the Michael addition reaction of the primary amino group with an unsaturated component of the formula: CH2=C(R)-Y (R is H, methyl; Y is an electron-attracting group).

4. 发明专利

JPH1176929A COATING OF WOOD AND COATED WOOD 失效
公开(公告)号：JPH1176929A
公开(公告)日：1999-03-23
申请号：JP26268697
申请日：1997-09-09
申请人： NIPPON PAINT CO LTD
发明人： OSHIMA TOSHIYUKI , UENAKA SHOZO , IZUMO KOJI
IPC分类号： B05D7/06 , B05D7/24 , B32B21/08 , C09D175/02
摘要： PROBLEM TO BE SOLVED: To provide a method for coating a coating film good in adhesion and excellent in scuff resistance, impact resistance, wear resistance, chemical resistance, flexibility and water resistance on a surface of a wood without sucking into the wood, as a thick film and in a short time and to provide a coated wood coated by the method. SOLUTION: A primer capable of impregnating is applied on the surface of the wood, then an isocyanate component A and a polyamine component B are applied with a high pressure two-pack mixing type spraying device in a mixing ratio in which the equivalent ratio of an amino group in the polyamine component B per isocyanate group in the isocyanate component A is 0.7-1.5, and the components are cured by reaction to form a polyurea resin coating film.

5. 发明专利

JPH08238453A CORROSION-PROOF EXECUTION METHOD FOR CONCRETE 失效
公开(公告)号：JPH08238453A
公开(公告)日：1996-09-17
申请号：JP7078995
申请日：1995-03-03
申请人： NIPPON PAINT CO LTD
发明人： IZUMO KOJI , OSHIMA TOSHIYUKI
IPC分类号： B05D1/02 , B05D7/00 , B05D7/24 , C04B41/48
摘要： PURPOSE: To make usable even in a closed space of relatively high humidity and to form a corrosion-proof coat which can stand up to severe environmental load conditions by specifying the structure of an isocyanate component and a polyamine component and the mixing ratio of the components and curing the coating film formed by spraying them. CONSTITUTION: A coating material is composed of an isocyanate component (A) which comprises a partial prepolymer prepared by a method in which organic polyisocyanate or part of the isocyanate groups in the polyisocyanate is reacted with polyol of 200 8000 molecular weight or the mixture of them and a polyamine component (B) comprising 100 pts.wt. of polyoxyalkylene polyamine having average molecular weight of 1000-10,000 and two or more aliphatic amino groups in a molecule and 15-100 pts.wt. of active aromatic diamine, excluding toluene diamine, in which an aromatic group does not have an electron attractive property, and a position adjacent to an amino group has 1-5 C alkyl substituent. The isocyanate component (A) and the polyamine component (B) are mixed in an equivalent ratio of 1/0.7-1/1.5.

6. 发明专利

JPH01146921A POLYISOCYANATE DISPERSION COMPOSITION 失效
公开(公告)号：JPH01146921A
公开(公告)日：1989-06-08
申请号：JP30638787
申请日：1987-12-03
申请人： NIPPON PAINT CO LTD
发明人： IZUMO KOJI , YAMAMOTO SATOSHI
IPC分类号： C08G18/00 , C08G18/02 , C08G18/72
摘要： PURPOSE:To obtain the title composition comprising an isocyanate component which gives a polyurethane polyurea product having excellent strength and toughness, by dispersing a reactive metallic carboxylate in a polyisocyanate compound in the specified proportion. CONSTITUTION:A caustic alkali is added to an aqueous suspension of a carboxylic acid having a group containing active hydrogen atoms to form a neutralized solution, which is mixed an aqueous solution of a chloride of a desired metal, thus giving a reactive metallic carboxylate (B) of formula I (wherein X is a group having active hydrogen atoms, such as amino, OH or COOH; m is 1-2; M is a polyvalent metal such as Al, Ca, Ti, Cr, Fe, Co, Ni, Cu, Zn, Cd, Sn, Ba or Pb; f is a number equal to the valence of metal M; n is 1-f). Component B is dispersed in a polyisocyanate compound (A) having a number-average molecular weight of 250-8,000 and at least two NCO groups in the molecule in the proportion of A to B to provide an isocyanate index of formula II of 100-2,000, preferably 200-1,000, thus giving the title composition in which the mean particle diameter of the dispersoid is 0.01-20mum, preferably 0.01-5mum.

7. 发明专利

JP2000093892A FORMATION OF COATING FILM 失效
公开(公告)号：JP2000093892A
公开(公告)日：2000-04-04
申请号：JP27207698
申请日：1998-09-25
申请人： NIPPON PAINT CO LTD
发明人： IZUMO KOJI , ISHIDA SHIGERU , KAWAI TORU , NAGAO GORO
IPC分类号： B05D5/00 , B05D7/14 , B05D7/24
摘要： PROBLEM TO BE SOLVED: To provide a method for forming a coating film exhibiting chipping resistance equivalent to or more than that of a vinyl chloride resin base plastisol coating material without corrosive gas being generated. SOLUTION: In a method for forming a chipping resistant coating film wherein a surface preparation process, an electrodeposited coating film forming process, and a process for forming a coating film consisting of polyurea resin composition are applied to a base material, and after that, a process for forming an intermediate coating film and/or a finish coating film is applied or not applied, a polyurea resin composition used contains resin components consisting of polyamine components containing 50 wt.% or more of an aromatic polyamine having polyalkylene chains or polyoxyalkylene chains and 1-15 wt.% of polyoxyalkylenepolyamine having at least two aliphatic amino groups in one molecule, and a polyisocyanate compound, and furthermore contains a plasticizer or not.

8. 发明专利

JPH09314050A COATING AND PROTECTING METHOD OF ALUMINUM MATERIAL 失效
公开(公告)号：JPH09314050A
公开(公告)日：1997-12-09
申请号：JP15880096
申请日：1996-05-29
申请人： NIPPON PAINT CO LTD , NIPPON LIGHT METAL CO
发明人： KUSANO TAKUO , IZUMO KOJI , UENAKA SHOZO , OSHIMA TOSHIYUKI , YANO HIROTADA
IPC分类号： B05D7/14 , C09D175/02 , C09D175/04
摘要： PROBLEM TO BE SOLVED: To protect an aluminum material from a damage due to shock, friction, etc., by coating the aluminum material with a coating film good in sticking property and excellent in resistance to scuffing, resistance to impact, resistance to wear, resistance to chemicals. SOLUTION: After degreasing the surface of the aluminum material, a base coating consisting of a modified epoxy resin is applied on its surface and cured. Then an isocyanate component consisting of at least one kind among an org. polyisocyanate and a partial prepolymer obtained by bringing a part of an isocyanate group in the org. polyisocyanate into reaction with a polyol having a molecular weight of 200-8000 and a polyamine component consisting of 100 pts.wt. polyoxyalkylene polyamine having an average molecular weight of 1000-10000 and 15-100 pts.wt. active arom. diamine having 1-5C alkyl substd. group at a carbon atom adjacent to the carbon atom to which the amino group is connected are applied on the base coating, and the applied matter is allowed to react and cured to form a polyurea resin coating film.

9. 发明专利

JPH08281198A COATING EXECUTION METHOD 失效
公开(公告)号：JPH08281198A
公开(公告)日：1996-10-29
申请号：JP11628195
申请日：1995-04-17
申请人： NIPPON PAINT CO LTD
发明人： IZUMO KOJI , UENAKA SHOZO , OSHIMA TOSHIYUKI
IPC分类号： B05D1/02 , B05D5/06 , B05D7/00 , B05D7/24
摘要： PURPOSE: To provide a thick resin film coating execution method applying a durable thick resin film excellent in water permeability and air permeability to a paving surface or cement mortal surface high in water permeability to enhance the aesthetic appearance, durability or anti-slip properties of the paving surface or cement mortar surface. CONSTITUTION: In a coating execution method for forming a thick resin film on a surface to be coated, a main agent component (A) and a curing agent component (B) are subjected to collision-mixing and the mixture is sprayed on the surface to be coated under such a condition that the time from a time point when both components (A), (B) are subjected to collision mixing in a mixing coating gun to a time point when the flowability of the resultant mixture disappears is 15sec or less to be cured to form a thick resin film having fine through-holes.

10. 发明专利

JPH0857408A MASKING METHOD FOR SPRAY COATING AND SPRAY COATING METHOD 失效
公开(公告)号：JPH0857408A
公开(公告)日：1996-03-05
申请号：JP20249694
申请日：1994-08-26
申请人： NIPPON PAINT CO LTD
发明人： IZUMO KOJI , OSHIMA TOSHIYUKI
IPC分类号： B05B15/04 , B05D1/02 , B05D1/32
摘要： PURPOSE: To part the coating for coating areas to which a coating material adheres from masking areas to which the coating material is not made to adhere accurately and simply even in the case of forming a thick film by using the coating material to be cured comparatively quickly. CONSTITUTION: A masking material provided with a sticking section 22 and a shade section 26 is used. The sticking section 22 can be stuck to and released from a surface 10 to be coated. The shade section 26 is located on the side of a face opposite to the sticking face of the surface 10 to be coated of the sticking section 22 and projected outwardly more than the end edge of the sticking section 22 at an interval larger than the thickness of a film 32 between the shade section and the surface 10 to be coated. The masking material is stuck to the surface 10 to be coated so that the sticking section 22 is located in a masking area A and the end of the shade section 22 is located in a coating area B.

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