The invention relates to a material formed by a polymer substrate and a hydrogel based on vinyl-lactams and ionic methacrylates. The invention also relates to a method for producing this material and to the use thereof for cell culture and cell monolayer engineering, for preparing 3D scaffolds and manufacturing thermosensitive mechanical actuators.

Dental material which contains at least one vinylcyclopropane of the general formulae I, ##STR00001##
in which A, B independently of each other are in each case OH or COOH; X, Y independently of each other are in each case O or NH; R.sup.1, R.sup.2 independently of each other are in each case H or an aliphatic linear or branched C.sub.1-C.sub.10 hydrocarbon radical which can be interrupted by O, S or an ester group; and n, m independently of each other are in each case 0, 1 or 2, wherein, if XYO, R.sup.1H and R.sup.2H, n+m1. The vinylcyclopropanes are characterized by a low shrinkage and a high reactivity on radical polymerization and are suitable in particular for the preparation of dental materials.

Dental material which contains at least one vinylcyclopropane of the general formulae I, ##STR00001##
in which A, B independently of each other are in each case OH or COOH; X, Y independently of each other are in each case O or NH; R.sup.1, R.sup.2 independently of each other are in each case H or an aliphatic linear or branched C.sub.1-C.sub.10 hydrocarbon radical which can be interrupted by O, S or an ester group; and n, m independently of each other are in each case 0, 1 or 2, wherein, if XYO, R.sup.1H and R.sup.2H, n+m1. The vinylcyclopropanes are characterized by a low shrinkage and a high reactivity on radical polymerization and are suitable in particular for the preparation of dental materials.

A liquid polymerizable composition including an anhydride derivative monomer with mineral nanoparticles homogeneously dispersed therein, as well as its use for the preparation of a transparent polymeric material having a high refractive index and its use in the optical field.

A liquid polymerizable composition including an anhydride derivative monomer with mineral nanoparticles homogeneously dispersed therein, as well as its use for the preparation of a transparent polymeric material having a high refractive index and its use in the optical field.

A liquid polymerizable composition including an anhydride derivative monomer with mineral nanoparticles homogeneously dispersed therein, as well as its use for the preparation of a transparent polymeric material having a high refractive index and its use in the optical field.

The present invention provides a thermoplastic resin composition comprising 10 to 60 mass % of a graft copolymer (A) obtained by graft polymerization of aromatic vinyl monomers and monomers other than maleimide monomers that can be copolymerized with the aromatic vinyl monomers under the presence of a rubbery polymer, 1 to 20 mass % of a copolymer (B) obtained by polymerization of maleimide monomers and other monomers that can be copolymerized with maleimide monomers, 10 to 88 mass % of a copolymer (C) having a reduced viscosity of less than 1.0 dl/g obtained by polymerization of aromatic vinyl monomers and monomers other than maleimide monomers that can be copolymerized with the aromatic vinyl monomers, and 1 to 10 mass % of a copolymer (D) having a reduced viscosity of 1.0 to 3.0 dl/g obtained by polymerization of aromatic vinyl monomers and monomers other than maleimide monomers that can be copolymerized with the aromatic vinyl monomers (the contents of (A) to (D) are each relative to the total amount thereof).

The present invention provides a thermoplastic resin composition comprising 10 to 60 mass % of a graft copolymer (A) obtained by graft polymerization of aromatic vinyl monomers and monomers other than maleimide monomers that can be copolymerized with the aromatic vinyl monomers under the presence of a rubbery polymer, 1 to 20 mass % of a copolymer (B) obtained by polymerization of maleimide monomers and other monomers that can be copolymerized with maleimide monomers, 10 to 88 mass % of a copolymer (C) having a reduced viscosity of less than 1.0 dl/g obtained by polymerization of aromatic vinyl monomers and monomers other than maleimide monomers that can be copolymerized with the aromatic vinyl monomers, and 1 to 10 mass % of a copolymer (D) having a reduced viscosity of 1.0 to 3.0 dl/g obtained by polymerization of aromatic vinyl monomers and monomers other than maleimide monomers that can be copolymerized with the aromatic vinyl monomers (the contents of (A) to (D) are each relative to the total amount thereof).

The present invention provides a thermoplastic resin composition comprising 10 to 60 mass % of a graft copolymer (A) obtained by graft polymerization of aromatic vinyl monomers and monomers other than maleimide monomers that can be copolymerized with the aromatic vinyl monomers under the presence of a rubbery polymer, 1 to 20 mass % of a copolymer (B) obtained by polymerization of maleimide monomers and other monomers that can be copolymerized with maleimide monomers, 10 to 88 mass % of a copolymer (C) having a reduced viscosity of less than 1.0 dl/g obtained by polymerization of aromatic vinyl monomers and monomers other than maleimide monomers that can be copolymerized with the aromatic vinyl monomers, and 1 to 10 mass % of a copolymer (D) having a reduced viscosity of 1.0 to 3.0 dl/g obtained by polymerization of aromatic vinyl monomers and monomers other than maleimide monomers that can be copolymerized with the aromatic vinyl monomers (the contents of (A) to (D) are each relative to the total amount thereof).

An aspect of the present invention provides a monomer from which a polymer layer capable of keeping high display quality even in high temperature and high humidity environments can be formed. The monomer in an aspect of the present invention is a compound represented by P-Sp.sup.1-Z.sup.2-A.sup.1-(Z.sup.1-A.sup.2).sub.n1-Z.sup.3-Sp.sup.2-P: in the formula, P denotes the same or different radical polymerizable group; and at least one of Z.sup.1, Z.sup.2, and Z.sup.3 denotes NRCO or CONR group.