公开(公告)号：US07288584B2

公开(公告)日：2007-10-30

申请号：US10351713

申请日：2003-01-27

Applicant: William James Highcock ,  Graham Stuart Kay ,  David Robert Fenn

Inventor： William James Highcock ,  Graham Stuart Kay ,  David Robert Fenn

IPC: B32B9/04 ,  C08J3/00 ,  C08K3/34 ,  C08K5/34 ,  C08L33/00

CPC classification number: C09D7/80 ,  B05D7/14 ,  Y10T428/31504

Abstract: The present invention refers to a mixing scheme containing a plurality of pigmented base paint compositions having defined colors and optionally one or more non-pigmented base paint compositions comprising at least one rheology controlled base paint composition containing at least one pigment selected from the group consisting of inorganic pigments, di-keto-pyrrolo-pyrrole type pigments, organic liquid crystal type pigments and carbon black and having the following rheology profile (1) an initial viscosity V1 at 20° C. of 65 Pa s or greater when measured at a shear rate of 10−3 s−1, (2) a viscosity V2 at 20° C. when measured at a shear rate of 10−3 s−1 immediately after subjecting to a shear rate of at least 15 s−1 whereby the viscosity V2 is 700 Pa s or less and is less than or equal to 70% of V1; (3) 24 hours after subjected by shaking to a shear rate of at least 15s−1 a viscosity V3 at 20° C. of at least 140% of V2 and be at least 55 Pa s, to a process of preparing a refinish coating composition using the mixing scheme of the present invention, to a refinish coating compositions obtainable therefrom, to a process of coating a substrate using the refinish coating composition and to a coated substrate obtainable therefrom.

Abstract translation: 本发明涉及一种混合方案，其包含多种具有确定颜色的着色基础油漆组合物和任选的一种或多种非着色基础油漆组合物，其包含至少一种流变学控制的底漆组合物，其含有至少一种选自以下的颜料： 无机颜料，二 - 酮 - 吡咯并 - 吡咯型颜料，有机液晶型颜料和炭黑，并具有以下流变特性（1）在20℃下的初始粘度V 1 N在65Pa 在20℃的剪切速率下测量时，s或更大，或（2）在20℃下的粘度V 2 <2。 当在剪切速率为至少15s -1 -1之后立即在剪切速率为10 -3 -3的条件下测量，由此， 粘度V 2 N是700Pa·s以下，小于或等于V 1 O的70％; （3）在20℃下摇动至少15s -1的剪切速率24小时后，粘度V 3 3在至少140％的V < SUB> 2 <！ - SIPO - >至少为55Pa·s，使用本发明的混合方案制备的涂料组合物与由其获得的修补涂料组合物相对于使用 涂覆涂料组合物和可从其获得的涂布基材。

公开(公告)号：US5820925A

公开(公告)日：1998-10-13

申请号：US778870

申请日：1997-01-02

Applicant: David Robert Fenn ,  Graham Stuart Kay

Inventor： David Robert Fenn ,  Graham Stuart Kay

IPC: B05D5/00 ,  B05D5/06 ,  C08G18/24 ,  C08G18/38 ,  C08G18/62 ,  C09D175/04 ,  B05D3/04 ,  B05D7/00

CPC classification number: C08G18/6229 ,  B05D5/005 ,  B05D5/06 ,  C08G18/24 ,  C08G18/3876 ,  C09D175/04

Abstract: A process for refinishing a motor vehicle by selecting and mixing two or more pigmented base paints from a series of master colors, each base paint having a hydroxyl functional polymer selected from the group consisting of an acrylic addition polymer, a polyester polymer and mixtures thereof, having a number average molecular weight of 600 to 10 000 and a hydroxyl value of 5 to 500, and adding a hardener of a polyisocyanate crosslinker to react and crosslink with said hydroxyl functional polymer in each base paint to form a thermosetting pigmented composition, the improvement in the process comprising; adding a catalyst mixture of a tin catalyst and a polyfunctional thiol having at least three thiol groups per molecule in which the ratio of the number of moles of thiol groups from the polyfunctional thiol to the number of moles of tin from the tin catalyst is 1:1 to 500:1, to form a catalyzed pigmented coating composition having a more constant irrespective of the pigments contained in the two or more basic paints; applying a layer of the catalyzed pigmented coating composition to the surface of the motor vehicle, and; causing the applied layer to dry and cure.

Abstract translation: 通过从一系列主色中选择和混合两种或更多种着色底漆，每种基漆具有选自丙烯酸加成聚合物，聚酯聚合物及其混合物的羟基官能聚合物， 数均分子量为600〜10000，羟值为5〜500，加入多异氰酸酯交联剂的固化剂，使其与所述羟基官能聚合物在各基漆中反应交联而形成热固性着色组合物，其改性 在该过程中包括 加入锡催化剂和每分子具有至少三个硫醇基团的多官能硫醇的催化剂混合物，其中来自多官能硫醇的硫醇基团的摩尔数与锡的催化剂的锡摩尔数之比为1： 1至500:1，以形成具有更稳定的催化着色涂料组合物，而与两种或更多种碱性涂料中所含的颜料无关; 将一层催化的着色涂料组合物施加到机动车辆的表面上; 使施加的层干燥和固化。