Transparent body production method, transparent body, and amorphous body

A method for producing a transparent body, the method comprising heating a compound at or above a melting point of the compound and melting the compound by the heating, wherein the compound is solely a vinyl-group-containing compound having the following general formula (1):

• wherein W1 and W2 are each independently a group having the following general formula (2), a group having the following general formula (4), a hydroxyl group, or a (meth)acryloyloxy group, provided that at least one of W1 and W2 is a group represented by the following general formula (2);
• a ring Y1 and a ring Y2 are an aromatic hydrocarbon ring which may be the same or different;
• R is a single bond, an optionally substituted methylene group, an ethylene group that is optionally substituted and may contain a hetero atom between two carbon atoms, —O—, —NH—, or —S—;
• R3a and R3b are each independently a cyano group, a halogen atom, or a monovalent hydrocarbon group;
• and n1 and n2 are each independently an integer of 0 to 4,
• wherein a ring Z is an aromatic hydrocarbon ring;
• X is a single bond or —S—;
• R1 is a single bond or an alkylene group having 1 to 4 carbon atoms;
• R2 is a monovalent hydrocarbon group, a hydroxyl group, —OR4a, —SR4b, an acyl group, an alkoxycarbonyl group, a halogen atom, a nitro group, a cyano group, a mercapto group, a carboxyl group, an amino group, a carbamoyl group, —NHR4c, —N(R4d)2, a (meth)acryloyloxy group, a sulfo group, or a group formed by substituting at least a part of hydrogen atoms bonded to carbon atoms contained in a monovalent hydrocarbon group, —OR4a, —SR4b, an acyl group, an alkoxycarbonyl group, —NHR4c, or —N(R4d)2 with a monovalent hydrocarbon group, a hydroxyl group, —OR4a, —SR4b, an acyl group, an alkoxycarbonyl group, a halogen atom, a nitro group, a cyano group, a mercapto group, a carboxyl group, an amino group, a carbamoyl group, —NHR4c, —N(R4d)2, a (meth)acryloyloxy group, a mesyloxy group, or a sulfo group;
• R4a to R4d are each independently a monovalent hydrocarbon group;
• and m is an integer of 0 or more, and
• wherein a ring Z, X, R1, R2, and m are as defined above.

A method for producing a transparent body, the method consisting essentially of heating a vinyl-group-containing compound at or above a melting point of the compound and melting the compound by the heating, the compound having the following general formula (1);

• and either:
• cooling the compound melted by the heating to a temperature at or below the melting point of the compound for solidification so as to obtain the transparent body;
• or
• further heating the compound melted by the heating for curing so as to obtain the transparent body,
• wherein W1 and W2 are each independently a group having the following general formula (2), a group having the following general formula (4), a hydroxyl group, or a (meth)acryloyloxy group, provided that at least one of W1 and W2 is a group represented by the following general formula (2);
• a ring Y1 and a ring Y2 are an aromatic hydrocarbon ring which may be the same or different;
• R is a single bond, an optionally substituted methylene group, an ethylene group that is optionally substituted and may contain a hetero atom between two carbon atoms, —O—, —NH—, or —S—;
• R3a and R3b are each independently a cyano group, a halogen atom, or a monovalent hydrocarbon group;
• and n1 and n2 are each independently an integer of 0 to 4,
• wherein a ring Z is an aromatic hydrocarbon ring;
• X is a single bond or —S—;
• R1 is a single bond or an alkylene group having 1 to 4 carbon atoms;
• R2 is a monovalent hydrocarbon group, a hydroxyl group, —OR4a, —SR4b, an acyl group, an alkoxycarbonyl group, a halogen atom, a nitro group, a cyano group, a mercapto group, a carboxyl group, an amino group, a carbamoyl group, —NHR4c, —N(R4d)2, a (meth)acryloyloxy group, a sulfo group, or a group formed by substituting at least a part of hydrogen atoms bonded to carbon atoms contained in a monovalent hydrocarbon group, —OR4a, —SR4b, an acyl group, an alkoxycarbonyl group, —NHR4c, or —N(R4d)2 with a monovalent hydrocarbon group, a hydroxyl group, —OR4a, —SR4b, an acyl group, an alkoxycarbonyl group, a halogen atom, a nitro group, a cyano group, a mercapto group, a carboxyl group, an amino group, a carbamoyl group, —NHR4c, —N(R4d)2, a (meth)acryloyloxy group, a mesyloxy group, or a sulfo group;
• R4a to R4d are each independently a monovalent hydrocarbon group;
• and m is an integer of 0 or more, and
• wherein the ring Z, X, R1, R2, and m are as defined above.