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특허 상세정보

Thermosetting powder coating composition of a blend of acrylic polymers having different glass transition temperatures a

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C08K-005/10    C08L-001/14    C08L-033/14    C08L-075/04   
미국특허분류(USC) 260/17R ; 260/316 ; 260/37N ; 260/4215
출원번호 US-0536321 (1974-12-24)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 32  인용 특허 : 1
초록

A thermosetting polymer powder coating composition comprising finely divided powder particles that have a diameter of about 1-100 microns wherein the powder particles are a blend of A. a hard acrylic polymer having a high glass transition temperature; B. a soft acrylic polymer having a low glass transition temperature; C. a blocked organic polyisocyanate; D. a hydroxy functional plasticizer; and E. catalytic amount of an organometallic compound; THE THERMOSETTING POWDER COATING COMPOSITION IS PARTICULARLY USEFUL AS AN EXTERIOR FINISH FOR AUTOMOBILE AND T...

대표
청구항

A thermosetting polymer powder coating composition comprising finely divided particles having a particle size of 1-100 microns; wherein the particles consist essentially of an intimately mixed blend of A. 20-70% by weight of a hard acrylic polymer consisting essentially of 1. 80-95% by weight, based on the weight of the acrylic polymer, of methyl methacrylate, styrene or a mixture of a methyl methacrylate and styrene, 2. 5-20% by weight, based on the weight of the acrylic polymer, of a hydroxy alkyl acrylate or hydroxy alkyl methacrylate having 2-4 carbo...

이 특허를 인용한 특허 피인용횟수: 32

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  12. Shelton, Michael Charles; Wilson, Alan Kent; Posey-Dowty, Jessica Dee; Kramer, Gergory Andrew; Perdomo, Luis Guillermo Rios. Low molecular weight carboxyalkylcellulose esters and their use as low viscosity binders and modifiers in coating compositions. USP2011027893138.
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  15. Shelton, Michael Charles; Posey-Dowty, Jessica Dee; Perdomo, Luis Guillermo Rios; Dixon, Jr., Daniel Wayne; Lucas, Paul Lee; Wilson, Alan Kent; Walker, Kenneth Raymond; Lawniczak, Jonathan Edward; Foulk, Roy Glenn; Phan, Hieu Duy; Freeman, Jr., Charlie Carroll; Booton, John Douglas. Low molecular weight cellulose mixed esters and their use as low viscosity binders and modifiers in coating compositions. USP2011108039531.
  16. Klesse Wolfgang (Mainz DEX) Rauch Hubert (Weiterstadt DEX) Arndt Peter J. (Seeheim-Jugenheim DEX) Suetterlin Norbert (Muehital-Nieder-Beerbach DEX). Polymer powders of low fines content and method for making the same by spray drying. USP1990014892910.
  17. Nelliappan, Veera G.; Lundquist, Eric G.; Adamo, Joseph R.. Polymeric powder composition and a method of producing same. USP2017099765211.
  18. Craven James M. (Wilmington DE). Powder coating composition for automotive topcoat. USP1982084346144.
  19. O'Dell, George William; Brandenburger, Larry B.; Johnson, Steven D.; Bourdeau, Judith L.. Powder coloring system. USP2016129528007.
  20. O'Dell, William G.; Brandenburger, Larry B.; Johnson, Steven D.; Bourdeau, Judith L.. Powder coloring system. USP2015109156996.
  21. Gras Rainer (Herne DEX) Schmitt Felix (Herten DEX) Wolf Elmar (Herne DEX). Powdery polyurethane lacquers based on polyester resins and blocked isocyanates. USP1981014246380.
  22. Okazaki Haruhiko,JPX ; Tagami Akiko,JPX. Process for preparing an aqueous dispersion coating material and process for preparing a powder coating material. USP2001056228981.
  23. Okada, Katsuhiko; Agawa, Tetsuro; Shinohara, Kouji; Konishi, Yoshitaka. Process for producing powder coating composition, powder coating composition, and method of coating film formation. USP2005076914087.
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  25. Stutz Herbert (Karlsruhe DEX) Illers Karl H. (Otterstadt DEX) Haberkorn Herbert (Gruenstadt DEX) Heckmann Walter (Weinheim DEX). Process for the preparation of noncellular polyurethane elastomers based on 4,4-diisocyanato-1,2-diphenylethane. USP1984054448946.
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  29. Pettit ; Jr. Paul H. (Wexford PA). Thermosetting powder coating composition containing a mixture of low Tg and high Tg polymers with acid functional groups. USP1991014988767.
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