In one aspect, the disclosure relates to compositions comprising semicrystalline, linear photopolymers that possesses extraordinary mechanical properties for application in 3D printing. The photopolymers are rapidly fabricated using low viscosity liquids at ambient conditions.

In one aspect, the disclosure relates to compositions comprising semicrystalline, linear photopolymers that possesses extraordinary mechanical properties for application in 3D printing. The photopolymers are rapidly fabricated using low viscosity liquids at ambient conditions.

Disclosed herein is a copolymer, including (A) allyloxycarboxyl substituted benzopinacol monomer of formula (I) and (B) at least one ethylenically unsaturated monomer, in copolymerized form. Also disclosed herein is a use of the copolymer as a radical polymerization initiator. Further disclosed herein is the allyloxycarboxyl substituted benzopinacol monomer of formula (I).

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Disclosed herein is a copolymer, including (A) allyloxycarboxyl substituted benzopinacol monomer of formula (I) and (B) at least one ethylenically unsaturated monomer, in copolymerized form. Also disclosed herein is a use of the copolymer as a radical polymerization initiator. Further disclosed herein is the allyloxycarboxyl substituted benzopinacol monomer of formula (I).

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A polymerizable composition includes the reaction product of an isohexide bischloroformate, at least one polyol, allyl alcohol, and, optionally, at least one polychloroformate. An exemplary polymerizable composition includes (a) the transesterification reaction product of an isohexide, diallyl carbonate, and at least one polyol; and (b) organic peroxide. A polymerizate including the polymerizable composition and an optical article including the polymerizable composition are also provided.

A polymerizable composition includes the reaction product of an isohexide bischloroformate, at least one polyol, allyl alcohol, and, optionally, at least one polychloroformate. An exemplary polymerizable composition includes (a) the transesterification reaction product of an isohexide, diallyl carbonate, and at least one polyol; and (b) organic peroxide. A polymerizate including the polymerizable composition and an optical article including the polymerizable composition are also provided.

There is provided a composition that contains a bleach component, and maintains a desired viscosity over a long period. A composition of the present invention comprises a carboxyl group-containing polymer composition (A) comprising a copolymer (a) of monomers including an α,β-unsaturated carboxylic acid (a-1) and a compound (a-2) having at least two ethylenically unsaturated groups per molecule; and a nonionic surfactant (b), the carboxyl group-containing polymer composition (A) having a bulk density of 0.20 g/mL or less; a bleach component (B); an alkalinity buffering agent (C); and water (D). The composition has a pH higher than 10.

There is provided a composition that contains a bleach component, and maintains a desired viscosity over a long period. A composition of the present invention comprises a carboxyl group-containing polymer composition (A) comprising a copolymer (a) of monomers including an α,β-unsaturated carboxylic acid (a-1) and a compound (a-2) having at least two ethylenically unsaturated groups per molecule; and a nonionic surfactant (b), the carboxyl group-containing polymer composition (A) having a bulk density of 0.20 g/mL or less; a bleach component (B); an alkalinity buffering agent (C); and water (D). The composition has a pH higher than 10.

A polymerizable composition according to the present invention includes a compound (A) including two or more allyloxycarbonyl groups represented by Formula (1); at least one kind of polymerization initiator (B) selected from the group consisting of a peroxyketal-based radical polymerization initiator, a peroxy monocarbonate-based radical polymerization initiator, and a peroxyester-based radical polymerization initiator; and at least one kind of photochromic compound (C) selected from a naphthopyran compound group.

A polymerizable composition according to the present invention includes a compound (A) including two or more allyloxycarbonyl groups represented by Formula (1); at least one kind of polymerization initiator (B) selected from the group consisting of a peroxyketal-based radical polymerization initiator, a peroxy monocarbonate-based radical polymerization initiator, and a peroxyester-based radical polymerization initiator; and at least one kind of photochromic compound (C) selected from a naphthopyran compound group.