High refractive index addition-fragmentation agents
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C07C-069/00
A61K-006/00
C07C-271/28
C07C-069/76
C08F-222/10
A61K-006/083
C08F-222/20
C08K-009/00
C09D-004/00
C09J-004/00
C09J-005/00
출원번호
US-0778191
(2014-03-13)
등록번호
US-10195119
(2019-02-05)
국제출원번호
PCT/US2014/025571
(2014-03-13)
국제공개번호
WO2014/151363
(2014-09-25)
발명자
/ 주소
Moser, William H.
Joly, Guy D.
Fornof, Ann R.
Abuelyaman, Ahmed S.
Falsafi, Afshin
Krepski, Larry R.
출원인 / 주소
3M Innovative Properties Company
대리인 / 주소
Kokko, Kent S.
인용정보
피인용 횟수 :
0인용 특허 :
31
초록
Addition-fragmentation agents having the following functional groups: 1) a labile addition-fragmentation group that can cleave and reform to relieve strain, 2) at least one high refractive index group, and 3) at least one ethylenically unsaturated, polymerizable group are described.
대표청구항▼
1. An addition fragmentation agent of the formula: whereinR1 is each independently a (hetero)alkyl group or a (hetero)aryl group;Y is —O—, —S—, —O—CO—, —NH—CO—, or —NR4—, where R4 is H or C1-C4 alkyl;each X1 is independently —O— or —NR4—, where R4 is H or C1-C4 alkyl, andn is 0;m is 2,R2 is a high r
1. An addition fragmentation agent of the formula: whereinR1 is each independently a (hetero)alkyl group or a (hetero)aryl group;Y is —O—, —S—, —O—CO—, —NH—CO—, or —NR4—, where R4 is H or C1-C4 alkyl;each X1 is independently —O— or —NR4—, where R4 is H or C1-C4 alkyl, andn is 0;m is 2,R2 is a high refractive index group RRI, ora (meth)acryloyl group Rpolmn;each of the R1 groups is connected through the Y linking groups to one RRI and one Rpolmn groups as the R2 groups andsaid addition-fragmentation agent having a refractive index of ≥1.50; and wherein the high refractive index group RRI is 1-, 2-, 3-, 4-, or 9-fluorenyl; 4-(1-methyl-1-phenethyl)phenoxyethyl; 1- or 2-naphthylthio; 1- and or 2-naphthyloxy; 2-, 3- or 4-phenylphenoxy; 2,4-dibromo-6-sec-butylphenyl; 2,4-dibromo-6-isopropylphenyl; 2,4-dibromophenyl; pentabromobenzyl or pentabromophenyl. 2. The addition-fragmentation agent of claim 1 wherein at least one of said R1—Y—R2 groups is of the formula: whereinR4 is H or C1-C4 alkyl;X1 is independently —O— or —NR4—, where R4 is H or C1-C4 alkyl; andt is 2 to 10, said —(CtH2t)— group optionally substituted by a hydroxy. 3. The addition-fragmentation agent of claim 1 of the formula: whereinRRI comprises the high refractive index group;Rpolmn comprises the (meth)acryloyl group;Y is —O—, —S—, —O—CO—, —NH—CO—, or —NR4—, where R4 is H or C1-C4 alkyl;each X1 is independently —O— or —NR4—, where R4 is H or C1-C4 alkyl, and;each o is 1each p is 1,R1 is each independently a (hetero)alkyl group or a (hetero)aryl group; andthe RRI is 1-, 2-, 3-, 4-, or 9-fluorenyl; 4-(1-methyl-1-phenethyl)phenoxyethyl; 1- or 2-naphthylthio; 1- or 2-naphthyloxy; 2-, 3- or 4-phenylphenoxy; 2,4-dibromo-6-sec-butylphenyl; 2,4-dibromo-6-isopropylphenyl; 2,4-dibromophenyl; pentabromobenzyl or pentabromophenyl. 4. A polymerizable composition comprising the addition-fragmentation agent of claim 1, at least one free-radically polymerizable monomer, and an initiator. 5. The polymerizable composition of claim 4 comprising: a) 85 to 100 parts by weight of an (meth)acrylic acid ester;b) 0 to 15 parts by weight of an acid functional ethylenically saturated monomer;c) 0 to 10 parts by weight of a non-acid functional, ethylenically unsaturated polar monomer;d) 0 to 5 parts vinyl monomer; ande) 0 to 5 parts of a multifunctional (meth)acrylate; based on 100 parts by weight total monomer a) to e), andf) 0.1 to 10 parts by weight of the addition-fragmentation agent, based on 100 parts by weight of a) to e). 6. The polymerizable composition of claim 5 further comprising 0:01 to 5 parts of the multifunctional (meth)acrylate. 7. The polymerizable composition of claim 4 further wherein the initiator is a photoinitiator. 8. The polymerizable composition of claim 4 wherein the initiator is a thermal initiator. 9. The polymerizable composition of claim 4 further comprising an inorganic filler. 10. The polymerizable composition of claim 9 wherein the filler is a surface-modified silica filler.
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