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1. 发明专利

CA1336631C TWO COMPONENT POLYURETHANE COATING 未知
公开(公告)号：CA1336631C
公开(公告)日：1995-08-08
申请号：CA539464
申请日：1987-06-11
申请人： NIPPON PAINT CO LTD
发明人： NUMATA SYUHEI , OHIWA MASANORI , MAEKAWA TOSHIHIRO , KASHIHARA AKIO , MIYAZONO TADAFUMI
IPC分类号： C09D175/04
摘要： A two component polyurethane coating consisting of a principal component (A) comprising a hydroxyl group containing film-forming resin, crosslinked polymer particles and a solvent for said film-forming resin and a hardener component (B) comprising a polyisocyanate compound, which is characterized by using as the crosslinked polymer particles the composite resin particles each comprising a particulate crosslinked polymer core and a number of substantially linear polymer chains coupled with said core in either way of chemical bonding, semi-interpenetration or both of them and containing metal element in either portion of said core, said polymer chains or both of them, the solid weight ratio of said hydroxyl group containing film-forming resin to said composite resin particles being 99/1 to 40/60 and the equivalent ratio of isocyanate gruops in the hardener component (B) to hydroxyl groups in the principal component (A) (if the linear polymer chains contain hydroxyl groups, the sum of said hydroxyl groups and those of the filmforming resin) being 0.5 to 2.0. The coating composition is excellent in dispersion stability, application characteristics and drying fastness and capable of resulting an excellent coat.

2. 发明专利

DE3781037T2 未知
公开(公告)号：DE3781037T2
公开(公告)日：1993-03-25
申请号：DE3781037
申请日：1987-06-12
申请人： NIPPON PAINT CO LTD
发明人： NUMATA SYUHEI , OHIWA MASANORI , MAEKAWA TOSHIHIRO , KASHIHARA AKIO , MIYAZONO TADAFUMI
IPC分类号： C09D175/04 , C08G18/62
摘要： A two component polyurethane coating consisting of a principal component (A) comprising a hydroxyl group containing film-forming resin, crosslinked polymer particles and a solvent for said film-forming resin, and a hardener component (B) comprising a polyisocyanate compound, which is characterized by using as said crosslinked polymer particles the composite resin particles each comprising a particulate crosslinked polymer core and a number of substantially linear polymer chains coupled with said core in either way of chemical bonding, semi-interpenetration or both of them, the solid weight ratio of said hydroxyl group containing film-forming resin to said composite resin particles being 99/1 to 40/60 and the equivalent ratio of isocyanate groups in the hardener component (B) to hydroxyl groups in the principal component (A) (if the linear polymer chains contain hydroxyl groups, the sum of said hydroxyl groups and those of the hydroxyl group containing film-forming resin) being 0.5 to 2.0. The coating composition is excellent in dispersion stability, application characteristics and drying fastness and capable of resulting an excellent coat.

3. 发明专利

DE3781038T2 未知
公开(公告)号：DE3781038T2
公开(公告)日：1993-03-25
申请号：DE3781038
申请日：1987-06-12
申请人： NIPPON PAINT CO LTD
发明人： NUMATA SYUHEI , OHIWA MASANORI , MAEKAWA TOSHIHIRO , KASHIHARA AKIO , MIYAZONO TADAFUMI
IPC分类号： C09D175/04 , C08G18/62
摘要： A two component polyurethane coating consisting of a principal component (A) comprising a hydroxyl group containing film-forming resin, crosslinked polymer particles and a solvent for said film-forming resin and a hardener component (B) comprising a polyisocyanate compound, which is characterized by using as the crosslinked polymer particles the composite resin particles each comprising a particulate crosslinked polymer core and a number of substantially linear polymer chains coupled with said core in either way of chemical bonding, semi-interpenetration or both of them and containing metal element in either portion of said core, said polymer chains or both of them, the solid weight ratio of said hydroxyl group containing film-forming resin to said composite resin particles being 99/l to 40/60 and the equivalent ratio of isocyanate groups in the hardener component (B) to hydroxyl groups in the principal component (A) (if the linear polymer chains contain hydroxyl groups, the sum of said hydroxyl groups and those of the film-forming resin) being 0.5 to 2.0. The coating composition is excellent in dispersion stability, application characteristics and drying fastness and capable of resulting an excellent coat.

4. 发明专利

DE3781038D1 未知
公开(公告)号：DE3781038D1
公开(公告)日：1992-09-17
申请号：DE3781038
申请日：1987-06-12
申请人： NIPPON PAINT CO LTD
发明人： NUMATA SYUHEI , OHIWA MASANORI , MAEKAWA TOSHIHIRO , KASHIHARA AKIO , MIYAZONO TADAFUMI
IPC分类号： C09D175/04 , C08G18/62
摘要： A two component polyurethane coating consisting of a principal component (A) comprising a hydroxyl group containing film-forming resin, crosslinked polymer particles and a solvent for said film-forming resin and a hardener component (B) comprising a polyisocyanate compound, which is characterized by using as the crosslinked polymer particles the composite resin particles each comprising a particulate crosslinked polymer core and a number of substantially linear polymer chains coupled with said core in either way of chemical bonding, semi-interpenetration or both of them and containing metal element in either portion of said core, said polymer chains or both of them, the solid weight ratio of said hydroxyl group containing film-forming resin to said composite resin particles being 99/l to 40/60 and the equivalent ratio of isocyanate groups in the hardener component (B) to hydroxyl groups in the principal component (A) (if the linear polymer chains contain hydroxyl groups, the sum of said hydroxyl groups and those of the film-forming resin) being 0.5 to 2.0. The coating composition is excellent in dispersion stability, application characteristics and drying fastness and capable of resulting an excellent coat.

5. 发明专利

DE3781037D1 未知
公开(公告)号：DE3781037D1
公开(公告)日：1992-09-17
申请号：DE3781037
申请日：1987-06-12
申请人： NIPPON PAINT CO LTD
发明人： NUMATA SYUHEI , OHIWA MASANORI , MAEKAWA TOSHIHIRO , KASHIHARA AKIO , MIYAZONO TADAFUMI
IPC分类号： C09D175/04 , C08G18/62
摘要： A two component polyurethane coating consisting of a principal component (A) comprising a hydroxyl group containing film-forming resin, crosslinked polymer particles and a solvent for said film-forming resin, and a hardener component (B) comprising a polyisocyanate compound, which is characterized by using as said crosslinked polymer particles the composite resin particles each comprising a particulate crosslinked polymer core and a number of substantially linear polymer chains coupled with said core in either way of chemical bonding, semi-interpenetration or both of them, the solid weight ratio of said hydroxyl group containing film-forming resin to said composite resin particles being 99/1 to 40/60 and the equivalent ratio of isocyanate groups in the hardener component (B) to hydroxyl groups in the principal component (A) (if the linear polymer chains contain hydroxyl groups, the sum of said hydroxyl groups and those of the hydroxyl group containing film-forming resin) being 0.5 to 2.0. The coating composition is excellent in dispersion stability, application characteristics and drying fastness and capable of resulting an excellent coat.

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