IPC분류정보
| 국가/구분 |
United States(US) Patent
등록
|
| 국제특허분류(IPC7판) |
|
| 출원번호 |
US-0844569
(1992-03-27)
|
| 우선권정보 |
DE-0932171 (1989-09-27) |
| 국제출원번호 |
PCT/EP90/01581
(1990-09-14)
|
| §371/§102 date |
19920327
(19920327)
|
| 국제공개번호 |
WO-9104998
(1991-04-18)
|
|
발명자
/ 주소 |
- Gruenewaelder Bernhard (Meerbusch DEX) Parent Bernhard (Duesseldorf DEX) Kluth Hermann (Duesseldorf DEX) Wegner Juergen (Duesseldorf-Oberkassel DEX) Haller Werner (Erkrath DEX)
|
| 출원인 / 주소 |
- Henkel Kommanditgesellschaft auf Aktien (Duesseldorf DEX 03)
|
| 인용정보 |
피인용 횟수 :
42 인용 특허 :
0 |
초록
▼
The invention relates to optionally solventless two-component polyurethane surfacers containing finely divided fillers in a high pigment volume concentration based on a polyfunctional isocyanate component (B) and a polyol component (A) which is liquid at room temperature and which consists of mixtur
The invention relates to optionally solventless two-component polyurethane surfacers containing finely divided fillers in a high pigment volume concentration based on a polyfunctional isocyanate component (B) and a polyol component (A) which is liquid at room temperature and which consists of mixture components containing isocyanate-reactive hydroxyl groups with an at least predominant content of branched-chain polyols (A1) containing ester and ether groups, which contains at least a proportion of the finely divided fillers and, optionally, the additives and which, for application, is mixed with the isocyanate component (B) and applied as a mixture which can still be processed by shaping. To form a substantially waterproof, elastic multipurpose adhesive surfacer which combines high adhesive strength with high volume stability, the polyol component (A) contains oleopolyols having an OH functionality of at least 2 to about 3 as an additional mixture component (A2) and, if desired, low-viscosity monofunctional alcohols of distinctly oleophilic character, which are at least substantially involatile at room temperature, in admixture with component (A1) as another additional mixture component (A3).
대표청구항
▼
Two-component polyurethane adhesive surfacers consisting of a polyol component (A) and a polyfunctional isocyanate component (B), wherein: (I) component (A) is liquid at room temperature and consists essentially of fillers and constituents containing isocyanate-reactive hydroxyl groups, and, optiona
Two-component polyurethane adhesive surfacers consisting of a polyol component (A) and a polyfunctional isocyanate component (B), wherein: (I) component (A) is liquid at room temperature and consists essentially of fillers and constituents containing isocyanate-reactive hydroxyl groups, and, optionally, one or more additives selected from the group consisting of drying agents, reaction accelerators, thickeners, antiagers, plasticizers, pigments, thixotropic agents, UV absorbers, stabilizers, flameproofing agents, retarders, and solvents, said constituents containing isocyanate-reactive hydroxyl groups comprising: (A1) an at least predominant content of branched-chain polyols containing ester and ether groups; (A2) glycerol esters which are liquid at room temperature and have an OH functionality of at least 2 to about 3 and which are esters of long-chain, optionally olefinically unsaturated, and at least predominantly OH-substituted fatty acids; and, optionally, (A3) low-viscosity monofunctional alcohols of distinctly oleophilic character, which are at least substantially involatile at room temperature; (II) component (B) consists essentially of polyfunctional isocyanates, and optionally, fillers, and, optionally, one or more additives selected from the group consisting of drying agents, reaction accelerators, thickeners, antiagers, plasticizers, pigments, thixotropic agents, UV absorbers, stabilizers, flameproofing agents, retarders, and solvents; (III) the total weight of fillers in components (A) and (B) is from 40 to 70% of the sum of the weight of the constituents containing isocyanate-reactive hydroxyl groups in component (A) and the total weight of fillers in components (A) and (B); and (IV) the mixture of components (A) and (B) produces a mixture that can be shaped immediately after mixing but which sets upon standing to a substantially waterproof elastic solid.
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