[미국특허]
Coating compositions comprising monoallophanates based on alkoxysilane alkyl isocyanates
원문보기
IPC분류정보
국가/구분
United States(US) Patent
공개
국제특허분류(IPC7판)
C09D-133/14
C08G-018/71
C08G-018/38
출원번호
US-0770733
(2016-10-07)
공개번호
US-0312713
(2018-11-01)
우선권정보
EP-15192087.3 (2015-10-29)
국제출원번호
PCT/EP2016/073976
(2016-10-07)
발명자
/ 주소
Spyrou, Emmanouil
Unkelhaeusser, Tobias
Naumann, Sabine
Kreczinski, Manfred
Loesch, Holger
Meier, Alina
Korek, Uwe
출원인 / 주소
Evonik Degussa GmbH
인용정보
피인용 횟수 :
0인용 특허 :
0
초록▼
A coating composition that includes an allophanate-containing compound can offer improved scratch resistance. The coating composition includes A) at least one allophanate-containing compound having the formula (1): wherein R, R1-R6 are each independently identical or different hydrocarbyl radicals
A coating composition that includes an allophanate-containing compound can offer improved scratch resistance. The coating composition includes A) at least one allophanate-containing compound having the formula (1): wherein R, R1-R6 are each independently identical or different hydrocarbyl radicals having 1-8 carbon atoms, which may be branched or cyclic, or else may be integrated together to form a cyclic system, and m and n are each independently 0-2, B) a binder, C) optionally, an aliphatic or cycloaliphatic polyisocyanate having an NCO functionality of at least 2, D) optionally, a catalyst, E) optionally, an auxiliary and/or additive, and, F) optionally, a solvent.
대표청구항▼
1. A coating composition, comprising: A) at least one allophanate-containing compound having the formula (1) whereinR, R1-R6 are each independently identical or different hydrocarbyl radicals having 1-8 carbon atoms, which may be branched or cyclic, or else may be integrated together to form a cycli
1. A coating composition, comprising: A) at least one allophanate-containing compound having the formula (1) whereinR, R1-R6 are each independently identical or different hydrocarbyl radicals having 1-8 carbon atoms, which may be branched or cyclic, or else may be integrated together to form a cyclic system, andm and n are each independently 0-2,B) at least one binder,C) optionally at least one aliphatic or cycloaliphatic polyisocyanate having an NCO functionality of at least 2,D) optionally at least one catalyst,E) optionally at least one auxiliary and/or additive, optionally at least one solvent. 2. The coating composition according to claim 1, comprising: A) 10-99 wt % of at least one allophanate-containing compound having the formula 1: whereinR, R1-R6 are each independently identical or different hydrocarbyl radicals having 1-8 carbon atoms, which may be branched or cyclic, or else may be integrated together to form a cyclic system, andm and n are each independently 0-2,B) 1-90 wt % of at least one binder,C) 0-50 wt % of at least one aliphatic or cycloaliphatic poly isocyanate having an NCO functionality of at least 2,D) 0-5 wt % of at least one catalyst,E) 0-50 wt % of at least one auxiliary and/or additive, where components A)-E) add up to 100 wt %,F) optionally at least one solvent seats. 3. The coating composition according to claim 1, wherein m and n are each 0,R1 and R5 are each methyl or ethyl, andR2 and R4 are each methyl or propyl. 4. The coating composition according to claim 1, wherein m and n are each 0,R1═R5=methyl and R2═R4=propyl. 5. The coating composition according to claim 1, wherein binder B) comprises at least one member selected from the groin consisting of a hydroxyl-containing binder and an amine-containing binder. 6. The coating composition according to claim 1, wherein binder B) comprises at least one member selected from the group consisting of a hydroxyl-containing polyester having an OH number of 20 to 500 mg KOH/g and a mean molar mass of 250 to 6000 g/mol, a hydroxyl-containing polyether having an OH number of 20 to 500 ma KOH/g and a mean molar mass of 250 to 6000 g/mol, a hydroxyl-containing polyacrylate having an OH number of 20 to 500 mg KOH/g and a mean molar mass of 250 to 6000 g/mol, a hydroxyl-containing polycarbonate having an OH number of 20 to 500 mg KOH/g and a mean molar mass of 250 to 6000 g/mol, and a hydroxyl-containing polyurethane having an OH number of 20 to 500 mg KOH/e and a mean molar mass of 250 to 6000 g/mol. 7. The coating composition according to claim 1, wherein binder B) comprises at least one member selected from the group consisting of a hydroxyl-containing polyester having an OH number of 20 to 500 mg KOH/g and a mean molar mass of 250 to 6000 g/mol and a hydroxyl-containing polyacrylate having an OH number of 20 to 500 mg KOH/g and a mean molar mass of 250 to 6000 g/mol. 8. The coating composition according to claim 1, wherein binder B) comprises at least one adduct of an isocyanatotrialkoxysilane and a mono- or polyhydric alcohol. 9. The coating composition according to claim 1, wherein binder B) comprises at least one member selected from the group consisting of a derivative of a hydroxyl-containing polyether with isocyanatopropyltrialkoxysilane, a derivative of a polyester with isocyanatopropyltrialkoxysilane, a derivative of a polycarbonatediol with isocyanatopropyltrialkoxysilane, and a derivative of a polyacrylate with isocyanatopropyltrialkoxysilane. 10. The coating composition according to claim 1, wherein binder B) comprises at least one member selected from the group consisting of aminopropyltriethoxysilane, aminomethyltrimethoxysilane, and aminomethyltriethoxysilane 11. The coating composition according to claim 1, wherein component C) is present and is at least one member selected from the group consisting of isophorone diisocyanate (IPDI), hexamethylene diisocyanate (HDI), diisocyanatodicyclohexylmethane (H12MDI), 2-methylpentane diisocyanate (MPDI)2,4-trimethylhexamethylene diisocyanate/2,4,4-trimethylhexamethylene diisocyanate (TMDI), and norbomane diisocyanate (NBDI). 12. The coating composition according to claim 1, wherein component C) is present and is at least one member selected from the group consisting of IPDI, TMDI, and H12MDI. 13. The coating composition according to claim 1, wherein component C) is present and comprises at least one isocyanurate. 14. The coating composition according to claim 1, wherein component D) is present and comprises at least one member selected from the group consisting of a metal carboxylate, a tert-amine, an amidine, guanidine, a quaternary ammonium salt, a tetraalkylammonium salt, a quaternary phosphonium salt, a metal acetylacetonate, a quaternary ammonium acetylacetonate, and a quaternary phosphonium acetylacetonate. 15. The coating composition according to claim 1, wherein component E) is present and comprises at least one member selected from the group consisting of a stabilizer, a light stabilizer, a catalyst, an additional crosslinker, a filler, a pigment, a leveling agent, and a rheology aid. 16. (canceled) 17. A process for producing the coating composition according to claim 1, the process comprising; mixing components A) and B), and, when present, any or all of components C), D), E), and F). 18. A paint composition, an adhesive composition, or a metal coating composition, which comprises: the coating composition according to claim 1.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.