[특허]Dual cure coating compositions, methods of coating a substrate, and related coated substrates

Dual cure coating compositions, methods of coating a substrate, and related coated substrates 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C08F-002/52 C08F-002/42 C08J-003/28
출원번호	US-0940317 (2010-11-05)
등록번호	US-8513321 (2013-08-20)
발명자 / 주소	Martin, David C. Rearick, Brian K. Winters, Christina A. Fuhry, Mary Ann Kutchko, Cynthia
출원인 / 주소	PPG Industries Ohio, Inc.
대리인 / 주소	Trebilcock, Christine W.
인용정보	피인용 횟수 : 0 인용 특허 : 63

초록 ▼

Disclosed herein are dual cure coating compositions that include (a) a melamine-group containing polyethylenically unsaturated compound and (b) an acrylate-containing compound different from (a), wherein the acrylate-containing compound is present at a level sufficient to provide a cured coating layer having a glass transition temperature of 100° C. or below and a crosslink density of 20.0 mmoles/cc or below. Also disclosed are related multi-component composite coatings, coated substrates, and methods for coating a substrate.

대표청구항 ▼

1. A dual cure coating composition comprising: (a) a melamine-group containing polyethylenically unsaturated compound; and(b) an acrylate-containing composition comprising: (i)a urethane acrylate,(ii) an epoxy acrylate, and(iii) a multi-functional acrylate monomer;wherein the acrylate-containing composition (b) is present in the dual cure coating composition at a level sufficient to provide a cured coating layer deposited from the coating composition having a glass transition temperature (Tg) of 100° C. or below and a crosslink density of 20.0 mmoles/cc or below, andwherein the dual cure coating composition is curable by exposing the coating composition to thermal energy followed by radiation wherein the urethane acrylate comprises a polycarbonate urethane acrylate and a polyester urethane acrylate. 2. The dual cure coating composition of claim 1, wherein the polyester urethane acrylate comprises more than one polyester urethane acrylate, wherein at least one of the polyester urethane acrylates comprises tripropylene glycol diacrylate. 3. The dual cure coating composition of claim 1, wherein the multi-functional acrylate monomer comprises a pentaacrylate monomer. 4. The dual cure coating composition of claim 1, wherein the acrylate-containing compound (b) is present in the dual cure coating composition at a level sufficient to provide a cured coating layer deposited from the coating composition having a glass transition temperature (Tg) of 90° C. or below and a crosslink density of 15.0 mmoles/cc or below. 5. The dual cure coating composition of claim 1, wherein (b) comprises a compound containing groups reactive with the melamine groups of the melamine-group containing polyethylenically unsaturated compound (a). 6. The dual cure coating composition of claim 1, wherein the melamine-group containing polyethylenically unsaturated compound (a) is present from about 5 to 45 weight percent based on the total resin solids of the coating composition. 7. The dual cure coating composition of claim 1, further comprising (c) a photoinitiator composition comprising: (a) a photoinitiator having a maximum absorbance with a molar extinction coefficient of from 1×103.80 to 1 ×104.20 (L mol−1cm−1) within a wavelength range of 240 to 250 nanometers;(b) a photoinitiator having a maximum absorbance with a molar extinction coefficient of from 1×103.85 to 1×104.25 (L mol−1cm−1) within a wavelength range of 250 to 260 nanometers; and(c) a photoinitiator having a molar extinction coefficient greater than 1×102 (L mol −1cm−1) at a wavelength of 380 nanometers. 8. The dual cure coating composition of claim 1, further comprising (c) a free radical initiator present between about 1.0 and 2.0 weight percent of the total weight of the dual cure coating composition. 9. A radiation curable coating composition comprising: (a) a radiation curable coating compound; and(b) a photoinitiator composition comprising; (i) a photoinitiator having a maximum absorbance with a molar extinction coefficient of from 1×103.80 to 1×104.20 (L mol−1 cm−1) within a wavelength range of 240 to 250 nanometers;(ii) a photoinitiator having a maximum absorbance with a molar extinction coefficient of from 1×103.85 to 1×104.25 (L mol−1 cm−1) within a wavelength range of 250 to 260 nanometers; and(iii) a photoinitiator having a molar extinction coefficient greater than 1×102 (L mol−1cm−1) at a wavelength of 380 nanameters:wherein the photoinitiator of (b)(i) comprises: (x) a photonitiator having a maximum absorbance with a molar extinction coefficient of from 1×103.80 to 1×104.20 (L mol−1cm−1) within the wavelength range of 240 to 250 nanometers and a boiling point at atmospheric pressure of greater than 200° C.; and(y) a photonitiator having a maximum absorbance with a molar extinction coefficient of from 1×103.80 to 1×104.20 (L mol−1) within the wavelength range of 240 to 250 nanometers and a boiling point at atmospheric pressure of no more than 90° C.;wherein the weight ratio of (a) to (b) in the coating comoposition is from 2:1 to 3:1. 10. The coating composition of claim 9, wherein the radiation curable compound comprises a melamine-group containing poiyethylenically unsaturated compound. 11. The coating composition of claim 9, wherein the coating composition comprises: (a) at least 0.1 up to 5 percent by weight of free radical photoinitiator(s) having a maximum absorbance with a molar extinction coefficient of from 1 ×103.80 to 1 ×104.2(L mol−1 cm−1) within a wavelength range of 240 to 250 nanometers;(b) at least 0.1 up to 2 percent by weight of free radical photoinitiator a photoinitiator having a maximum absorbance with a molar extinction coefficient of from 1 ×103.85 to 1 ×104.25(L cm−1cm −1) within a wavelength range of 250 to 260 nanometers; and(c) at least 0.01 up to 1 percent by weight of free radical photoinitiator having a molar extinction coefficient greater than 1×102 (L mol−1 cm−1) at a wavelength of 380 nanometers,such weights percent being based on the total weight of the composition. 12. The coating composition of claim 11, wherein the coating composition comprises: (a) at least 0.8 up to 1.2 percent by weight of free radical photoinitiator(s) having a maximum absorbance with a molar extinction coefficient of from 1 ×103.80 to 1 ×104.20 (L mol−1 cm−1) within a wavelength range of 240 to 250 nanometers;(b) at least 0.4 up to 0.6 percent by weight of free radical photoinitiator a photoinitiator having a maximum absorbance with a molar extinction coefficient of from 1 ×103.85 to 1 ×104.25 (L mol−1 cm−1) within a wavelength range of 250 to 260 nanometers; and(c), at least 0.05 up to 0.1 percent by weight of free radical photoinitiator having a molar extinction coefficient greater than 1×102 (L mol −1 cm−1) at a wavelength of 380 nanometers,such weights percent being based on the total weight of the composition. 13. The dual cure coating composition of claim 1, wherein exposing to thermal energy occurs for no more than 10 minutes. 14. The dual cure coating composition of claim 1, wherein exposing to thermal energy provides a dual cure coating temperature of 80-120° C.

이 특허에 인용된 특허 (63)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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Dual cure coating compositions, methods of coating a substrate, and related coated substrates 원문보기

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