The present invention relates to a cured product having excellent stain resistance and low gloss, a method of manufacturing the same, and an interior material including the cured product. The cured product according to the present invention includes, along with an acrylic oligomer, an oligomer having a functional group containing silicon (Si) and an oligomer having a functional group containing fluorine (F), and thus, has excellent stain resistance and can implement a micro-folded structure on a surface thereof through extreme ultraviolet rays to be used during curing, thereby being capable of realizing low gloss without a matting agent.

Provided is a fluorine-containing siloxane acrylate represented by formula (1).

X—Z-PFPE-Z—X   (1)

[PFPE is a divalent perfluoropolyether chain, X is a group represented by formula (2)

##STR00001##

{Y.sup.1 is a divalent organic group, R.sup.2 is a hydrogen atom, a fluorine atom, a methyl group, or a trifluoromethyl group, and G is a monovalent hydrocarbon group or a group represented by formula (3)

O—Si(CH.sub.3).sub.2—Y.sup.1—OR.sup.1   (3)

(R.sup.1 is a monovalent hydrocarbon group, and Y.sup.1 is same as mentioned above. The broken line represents a bond (hereinafter, the same shall apply.)) Q is a hydrogen atom or a group represented by formula (4)

SiR.sup.3.sub.3   (4)

(R.sup.3 is a monovalent hydrocarbon group.) e is an integer of 0-2, f is an integer of 0-2, and g is an integer of 1-3, and e+f+g is 3.} Z is a predetermined divalent organic group.]

Provided is a fluorine-containing siloxane acrylate represented by formula (1).

X—Z-PFPE-Z—X   (1)

[PFPE is a divalent perfluoropolyether chain, X is a group represented by formula (2)

##STR00001##

{Y.sup.1 is a divalent organic group, R.sup.2 is a hydrogen atom, a fluorine atom, a methyl group, or a trifluoromethyl group, and G is a monovalent hydrocarbon group or a group represented by formula (3)

O—Si(CH.sub.3).sub.2—Y.sup.1—OR.sup.1   (3)

(R.sup.1 is a monovalent hydrocarbon group, and Y.sup.1 is same as mentioned above. The broken line represents a bond (hereinafter, the same shall apply.)) Q is a hydrogen atom or a group represented by formula (4)

SiR.sup.3.sub.3   (4)

(R.sup.3 is a monovalent hydrocarbon group.) e is an integer of 0-2, f is an integer of 0-2, and g is an integer of 1-3, and e+f+g is 3.} Z is a predetermined divalent organic group.]

A purpose of the present invention is to provide a siloxane suitable for preparing a medical material and a method for preparing the compound. The present invention provides a siloxane represented by the formula (1), wherein R.sup.1 is a hydrogen atom or a methyl group, R.sup.2 is a monovalent hydrocarbon group having 1 to 6 carbon atoms, L is a divalent hydrocarbon group which has 2 to 10 carbon atoms and may have one or more ether bonds, and A is a (poly)siloxane group represented by the formula (2) or (3), wherein n is an integer of 1 to 100, a is an integer of 0 to 10, b is an integer of 0 to 10, and c is an integer of 0 to 10, provided that a+b+c is 2 or more, and R is, independently of each other, a monovalent hydrocarbon group having 1 to 10 carbon atoms. The present invention further provides a method for preparing the siloxane, a polymer comprising recurring units derived from the siloxane, and a medical material, particularly an ophthalmic device, comprising the aforesaid polymer.

A purpose of the present invention is to provide a siloxane suitable for preparing a medical material and a method for preparing the compound. The present invention provides a siloxane represented by the formula (1), wherein R.sup.1 is a hydrogen atom or a methyl group, R.sup.2 is a monovalent hydrocarbon group having 1 to 6 carbon atoms, L is a divalent hydrocarbon group which has 2 to 10 carbon atoms and may have one or more ether bonds, and A is a (poly)siloxane group represented by the formula (2) or (3), wherein n is an integer of 1 to 100, a is an integer of 0 to 10, b is an integer of 0 to 10, and c is an integer of 0 to 10, provided that a+b+c is 2 or more, and R is, independently of each other, a monovalent hydrocarbon group having 1 to 10 carbon atoms. The present invention further provides a method for preparing the siloxane, a polymer comprising recurring units derived from the siloxane, and a medical material, particularly an ophthalmic device, comprising the aforesaid polymer.

The present invention relates to a model material composition for shaping a model material by a material jetting optical shaping method, comprising a polymerizable compound, a photopolymerization initiator and a siloxane compound having one polymerizable group per molecule, the siloxane compound having a number average molecular weight of 300 to 10,000.

Described are polymerizable high energy light absorbing compounds of formula I:

##STR00001##

wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8, R.sup.9, and X are as described herein. The compounds absorb various wavelengths of ultraviolet and/or high energy visible light and are suitable for incorporation in various products, such as biomedical devices and ophthalmic devices.

Described are polymerizable high energy light absorbing compounds of formula I:

##STR00001##

wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8, R.sup.9, and X are as described herein. The compounds absorb various wavelengths of ultraviolet and/or high energy visible light and are suitable for incorporation in various products, such as biomedical devices and ophthalmic devices.

Described are polymerizable fused tricyclic compounds of formula I:

##STR00001##

wherein R.sup.1, R.sup.2, R.sup.3, m, n, t, and rings B, C, and D are as defined herein. The compounds absorb various wavelengths of ultraviolet and/or visible light (such as high energy visible light) and are suitable for incorporation in a variety of products, such as biomedical devices and ophthalmic devices.

Described are polymerizable fused tricyclic compounds of formula I:

##STR00001##

wherein R.sup.1, R.sup.2, R.sup.3, m, n, t, and rings B, C, and D are as defined herein. The compounds absorb various wavelengths of ultraviolet and/or visible light (such as high energy visible light) and are suitable for incorporation in a variety of products, such as biomedical devices and ophthalmic devices.