摘要:
A Addition-fragmentation oligomers containing allylic disulfide groups are described. The oligomers may be added to polymerizable compositions to provide labile crosslinks that can cleave and reform during the polymerization process.
摘要:
Provided are: a photocurable composition which comprises one type or more of an ultraviolet absorbing agent represented by general formula (1); and a hard coat agent composed of the photocurable composition. (1) (In the formula, R 1 to R 3 are the same or different and represent a C1 to 20 branched or linear alkyl group substituted with a (meth)acryloyloxy group. This alkyl group may be substituted with a hydroxy group, a C1 to 8 alkoxy group, or a C1 to 8 acyloxy group. In addition, it may be interrupted by one or more of an oxygen atom, a sulfur atom, a carbonyl group, an ester group, an amide group and an imide group. R 4 to R 6 are the same or different and represent a hydrogen atom, a halogen atom, a hydroxy group, an alkyl group having 1 to 12 carbon atoms or an alkoxy group having 1 to 12 carbon atoms.)
摘要:
A polymerizable composition that comprises a first component comprising a (meth)acrylate and an organic peroxide as an oxidizing agent and a second component comprising a (meth)acrylate and a cysteine as a reducing agent which has a partial structure represented by the following structural formula, the first component and/or the second component further comprising a polymerization promoter:
摘要:
An object of the present invention is to provide a polymerizable liquid crystal composition incorporating a polymerizable liquid crystal compound which displays a low nematic phase temperature, displays excellent compatibility with other polymerizable liquid crystal compounds, and furthermore yields a product following polymerization, of good transparency and high mechanical strength. A polymerizable composition is provided which displays a liquid crystal phase, and moreover incorporates a liquid crystal backbone with two or more ring structures and a compound with a partial structure represented by the general formula P 1 -S 1 -A 1 -D 1 -E 1 - [wherein P 1 represents a polymerizable functional group; S 1 represents -(CH 2 ) w -, - O(CH 2 ) w -, -(CH 2 ) w O-, -(CH 2 ) w C(=O)O-, -(CH 2 ) w OC(=O)-, -C(=O)O(CH 2 ) w - or - OC(=O)(CH 2 ) w - (w: 1 to 20); A 1 and E 1 each represent a hydrocarbon ring or a hetero ring, although E 1 is a ring incorporated within the liquid crystal backbone; and D 1 represents - C(=O)-O-(CH 2 ) m -O-, -O(CH 2 ) m -O-C(=O)-, -O-C(=O)-(CH 2 ) m -O-, or -O(CH 2 ) m -C(=O)-O- (m: 1 to 15)].
摘要:
A Addition-fragmentation oligomers containing allylic disulfide groups are described. The oligomers may be added to polymerizable compositions to provide labile crosslinks that can cleave and reform during the polymerization process.
摘要:
Provided are: a photocurable composition which comprises one type or more of an ultraviolet absorbing agent represented by general formula (1); and a hard coat agent composed of the photocurable composition. (1) (In the formula, R 1 to R 3 are the same or different and represent a C1 to 20 branched or linear alkyl group substituted with a (meth)acryloyloxy group. This alkyl group may be substituted with a hydroxy group, a C1 to 8 alkoxy group, or a C1 to 8 acyloxy group. In addition, it may be interrupted by one or more of an oxygen atom, a sulfur atom, a carbonyl group, an ester group, an amide group and an imide group. R 4 to R 6 are the same or different and represent a hydrogen atom, a halogen atom, a hydroxy group, an alkyl group having 1 to 12 carbon atoms or an alkoxy group having 1 to 12 carbon atoms.)
摘要:
Die Erfindung betrifft ein als Netz- und Dispergiermittel einsetzbares Copolymer enthaltend i) 40-73 Mol-% einer Basisstruktureinheit (A) sowie ii) 27-60 Mol-% einer substituierten Dicarbonsäurederivatstruktureinheit (B),
wobei die Struktureinheit (B) Spezies mit Bisamidstruktur sowie Spezies mit quarternisierten Aminogruppen enthält.
摘要:
A polymerizable liquid-crystal composition containing a polymerizable liquid-crystalline compound, which shows a nematic phase at low temperatures, has excellent compatibility with other polymerizable liquid-crystalline compounds to be used in combination therewith, and gives through polymerization a polymer excellent in transparency and mechanical strength. The polymerizable composition shows a liquid-crystal phase and contains a compound (I) having a liquid-crytalline skeleton with two or more rings and a segment structure represented by the general formula P?1-S1-A1-D1-E1¿- [wherein P1 is a polymerizable functional group; S1 is -(CH¿2?)w-, -O(CH2)w-, -(CH2)wO-, -(CH2)wC(=O)O-, -(CH2)wOC(=O)-, -C(=O)O(CH2)w-, or -OC(=O)(CH2)w- (w is 1 to 20); A?1 and E1¿ each is a hydrocarbon ring or heterocycle or E1 is one of the rings contained in the liquid-crystalline skeleton; and D1 is -C(=O)-O-(CH¿2?)m-O-, -O(CH2)m-O-C(=O)-, -O-C(=O)-(CH2)m-O-, or -O-(CH2)m-C(=O)-O- (m is 1 to 15)].