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公开(公告)号:EP2563867A1
公开(公告)日:2013-03-06
申请号:EP11717556.2
申请日:2011-04-22
发明人: WHEELER, Stephen, Arthur , WOODS, Anthony, David , EMMETT, Simon, Nicholas , PEREZ-AMOROS, Javier
CPC分类号: C09D5/028 , C08K3/22 , C08K3/26 , C08K3/34 , C08K7/22 , C08L2205/20 , C09D7/45 , C09D7/61 , C09D7/70 , Y10T428/249972 , Y10T428/249998
摘要: An aqueous coating composition having a PVC of from 78 to 88% comprising, based on the total volume solids of the dry coating unless otherwise stated, a) opacifying pigment particles comprising i) from 3 to 10% titanium dioxide ii) from 0 to 20% of hollow polymeric particles b) non-opacifying extender particles comprising i) calcium magnesium carbonate and/or ii) calcium carbonate and/or iii) nepheline syenite and/or iv) kaolin wherein i)+ii)+iii)+iv) = 40 to 80% and iv) is 0 to 20% c) polymer binder particles of calculated Fox Tg of from 25 to 70°C having an acid value of from 15 to 65mg KOH/g of polymer and wherein the polymer particles are derived from acrylic monomers and optionally further comprising styrene and/or its derivatives d) dispersant having a weight average molecular weight of at least 3500 Daltons e) fugitive coalescing solvent.
摘要翻译: 一种PVC含量为78-88%的水性涂料组合物,除了另有说明外,以干燥涂料的总体积固体计,包括:a)不透明颜料颗粒,其包含:i)3-10%二氧化钛,ii)0 至20%的中空聚合物颗粒; b)非遮盖增量剂颗粒,其包含:i)碳酸钙镁和/或ii)碳酸钙,和/或iii)霞石正长岩,和/或iv)高岭土,其中,i)+ ii)+ iii)+ iv )= 40至80%和iv)为0至20%; c)计算的Fox Tg为25-70℃的聚合物粘合剂颗粒,其酸值为15-65mg KOH / g聚合物,并且其中聚合物颗粒衍生自丙烯酸类单体,并且任选地还包含苯乙烯和/或其衍生物 ; d)重均分子量至少为3500道尔顿的分散剂; e)短效聚结溶剂,其中所述组合物不含非短效聚结溶剂。
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公开(公告)号:EP2563866B1
公开(公告)日:2015-08-05
申请号:EP11715568.9
申请日:2011-04-22
发明人: WHEELER, Stephen, Arthur , BARCOCK, Richard , PEARCE, Colin , JEFFERSON, Gary , WOODS, Anthony, David , EMMETT, Simon, Nicholas , PEREZ-AMOROS, Javier
CPC分类号: C09D5/028 , C08K3/013 , C08K3/22 , C08K3/26 , C08K3/34 , C08K7/22 , C08L2205/20 , C09D7/61 , C09D7/70 , Y10T428/31935
摘要: An aqueous coating composition having a PVC of from 78 to 85% comprising, based on the total volume solids of the dry coating unless otherwise stated, a) opacifying pigment particles comprising i) from 3 to 10% titanium dioxide ii) from 0 to 20% of hollow polymeric particles b) non-opacifying extender particles comprising i) calcium magnesium carbonate and/or ii) calcium carbonate and/or iii) nepheline syenite and/or iv) kaolin wherein i)+ii)+iii)+iv) = 40 to 80% and iv) is 0 to 20% c) polymer binder particles of calculated Fox Tg of from 5 to 25°C having an acid value of from 15 to 65mg KOH/g of polymer and wherein the polymer particles are derived from acrylic monomers and optionally further comprising styrene and/or its derivatives d) dispersant having a weight average molecular weight of at least 3500 Daltons and selected on the basis that the dispersant demand of a mixture of the opacifying pigment particles, other than the hollow polymeric particles, of a) and the extender particles of b) is greater than 0.35wt%, calculated on the weight of the titanium dioxide and extender particles e) fugitive coalescing solvent.
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公开(公告)号:EP2563867B1
公开(公告)日:2015-09-30
申请号:EP11717556.2
申请日:2011-04-22
发明人: WHEELER, Stephen, Arthur , WOODS, Anthony, David , EMMETT, Simon, Nicholas , PEREZ-AMOROS, Javier
CPC分类号: C09D5/028 , C08K3/22 , C08K3/26 , C08K3/34 , C08K7/22 , C08L2205/20 , C09D7/45 , C09D7/61 , C09D7/70 , Y10T428/249972 , Y10T428/249998
摘要: An aqueous coating composition having a PVC of from 78 to 88% comprising, based on the total volume solids of the dry coating unless otherwise stated, a) opacifying pigment particles comprising i) from 3 to 10% titanium dioxide ii) from 0 to 20% of hollow polymeric particles b) non-opacifying extender particles comprising i) calcium magnesium carbonate and/or ii) calcium carbonate and/or iii) nepheline syenite and/or iv) kaolin wherein i)+ii)+iii)+iv) = 40 to 80% and iv) is 0 to 20% c) polymer binder particles of calculated Fox Tg of from 25 to 70°C having an acid value of from 15 to 65mg KOH/g of polymer and wherein the polymer particles are derived from acrylic monomers and optionally further comprising styrene and/or its derivatives d) dispersant having a weight average molecular weight of at least 3500 Daltons e) fugitive coalescing solvent.
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公开(公告)号:EP2563866A1
公开(公告)日:2013-03-06
申请号:EP11715568.9
申请日:2011-04-22
发明人: WHEELER, Stephen, Arthur , BARCOCK, Richard , PEARCE, Colin , JEFFERSON, Gary , WOODS, Anthony, David , EMMETT, Simon, Nicholas , PEREZ-AMOROS, Javier
CPC分类号: C09D5/028 , C08K3/013 , C08K3/22 , C08K3/26 , C08K3/34 , C08K7/22 , C08L2205/20 , C09D7/61 , C09D7/70 , Y10T428/31935
摘要: An aqueous coating composition having a PVC of from 78 to 85% comprising, based on the total volume solids of the dry coating unless otherwise stated, a) opacifying pigment particles comprising i) from 3 to 10% titanium dioxide ii) from 0 to 20% of hollow polymeric particles b) non-opacifying extender particles comprising i) calcium magnesium carbonate and/or ii) calcium carbonate and/or iii) nepheline syenite and/or iv) kaolin wherein i)+ii)+iii)+iv) = 40 to 80% and iv) is 0 to 20% c) polymer binder particles of calculated Fox Tg of from 5 to 25°C having an acid value of from 15 to 65mg KOH/g of polymer and wherein the polymer particles are derived from acrylic monomers and optionally further comprising styrene and/or its derivatives d) dispersant having a weight average molecular weight of at least 3500 Daltons and selected on the basis that the dispersant demand of a mixture of the opacifying pigment particles, other than the hollow polymeric particles, of a) and the extender particles of b) is greater than 0.35wt%, calculated on the weight of the titanium dioxide and extender particles e) fugitive coalescing solvent.
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