US4367245A — Coating composition and process for preparing syn…

Claim 1

Independent Claim 249 words

A coating composition, which comprises: (a) a polyfunctional monomer mixture comprising (i) 25% to 75% by weight of at least one polyfunctional mono- or poly-pentaerythritol polyacrylate monomer containing at least three acryloyloxy groups in the molecule and represented by formula (I): ##STR6## wherein at least three of X 11 , X 12 , X 13 , X 22 , X 23 . . . X n2 , X n3 and X 14 are acryloyloxy groups (CH 2 ═CH.COO--) and the remaining groups are hydroxyl groups (--OH), and n is an integer of from 1 to 5, (ii) 25% to 75% by weight of at least one polyfunctional monomer represented by formula (II): ##STR7## wherein at least three of the R groups are acryloyloxy groups (CH 2 ═CH.COO--) and each of the remaining is hydrogen or a hydroxyl group, n 1 , n 2 , n 3 , n 4 , m 1 , m 2 , m 3 and m 4 are integers of 0, 1 or 2, and x is an integer of from 1 to 10, and (iii) 0% to 50% by weight of a monomer containing one acryloyloxy group in the molecule and having a boiling point of at least 150° C. at normal pressure and a viscosity of not higher than 20 cps as measured at 20° C., and (b) 0.01 to 6.0 parts by weight, based on 100 parts by weight of the polyfunctional monomer mixture (a) mentioned above, of at least one photosensitizer.

Claim 2

Dependent Claim 249 words

A coating composition, which comprises: (a) a polyfunctional monomer mixture comprising (i) 25% to 75% by weight of at least one polyfunctional mono- or poly-pentaerythritol polyacrylate monomer containing at least three acryloyloxy groups in the molecule and represented by formula (I): ##STR6## wherein at least three of X 11 , X 12 , X 13 , X 22 , X 23 . . . X n2 , X n3 and X 14 are acryloyloxy groups (CH 2 ═CH.COO--) and the remaining groups are hydroxyl groups (--OH), and n is an integer of from 1 to 5, (ii) 25% to 75% by weight of at least one polyfunctional monomer represented by formula (II): ##STR7## wherein at least three of the R groups are acryloyloxy groups (CH 2 ═CH.COO--) and each of the remaining is hydrogen or a hydroxyl group, n 1 , n 2 , n 3 , n 4 , m 1 , m 2 , m 3 and m 4 are integers of 0, 1 or 2, and x is an integer of from 1 to 10, and (iii) 0% to 50% by weight of a monomer containing one acryloyloxy group in the molecule and having a boiling point of at least 150° C. at normal pressure and a viscosity of not higher than 20 cps as measured at 20° C., and (b) 0.01 to 6.0 parts by weight, based on 100 parts by weight of the polyfunctional monomer mixture (a) mentioned above, of at least one photosensitizer.

Claim 3

Dependent Claim 44 words

The coating composition as set forth in claim 1, wherein at least one light stabilizer having a cyclic hindered amine structure is contained in an amount of 0.01 to 4.0 parts by weight based on 100 parts by weight of the polyfunctional monomer mixture.

Claim 4

Dependent Claim 48 words

The coating composition as set forth in claim 1 or 2, wherein at least one silicone type surface active agent modified with a polyoxyalkylene group is contained in an amount of 0.0001 to 2.0 parts by weight based on 100 parts by weight of the polyfunctional monomer mixture.

Claim 5

Dependent Claim 28 words

The coating composition as set forth in claim 1, wherein the monomer represented by the general formula (I) is dipentaerythritol triacrylate, dipentaerythritol tetraacrylate, dipentaerythritol pentaacrylate or dipentaerythritol hexaacrylate.

Claim 6

Dependent Claim 82 words

The coating composition as set forth in claim 1 or 2, wherein the polyfunctional monomer represented by the general formula (II) is selected from the group consisting of esters prepared by esterification of (i) malonic acid and acrylic acid with trimethylolethane, (ii) malonic acid and acrylic acid with trimethylolpropane, (iii) succinic acid and acrylic acid with trimethylolethane, (iv) succinic acid and acrylic acid with trimethylolpropane, (v) adipic acid and acrylic acid with trimethylolethane and (vi) adipic acid and acrylic acid with trimethylolpropane.

Claim 7

Dependent Claim 46 words

The coating composition as set forth in claim 1 or 2, wherein the monomer containing one acryloyloxy group in the molecule contains at least one moiety selected from the group consisting of a hydroxyl group and an ether linkage on the side chain in the molecule.

Claim 8

Dependent Claim 109 words

The coating composition as set forth in claim 2, wherein the light stabilizer having the cyclic hindered amine structure is represented by formula (III): ##STR8## wherein n' is an integer of from 1 to 4 and, when n' is 1, R' is an acyl group derived from an aliphatic or aromatic monocarboxylic acid; when n' is 2, R' is a carbonyl group or a diacyl group derived from an aliphatic or aromatic dicarboxylic acid; when n' is 3, R' is a triacyl group derived from an aliphatic or aromatic tricarboxylic acid; and, when n' is 4, R' is a tetraacyl group derived from an aliphatic or aromatic tetracarboxylic acid.

Claim 9

Dependent Claim 309 words

A process for the preparation of synthetic resin shaped articles, which comprises: coating the surface of a synthetic resin shaped article with a coating composition, and irradiating the coated shaped article with ultraviolet rays in air to form on the surface of the synthetic resin shaped article a crosslinked and cured film having a thickness of 1 to 30 microns, wherein said coating composition comprises: (a) a polyfunctional monomer mixture comprising (i) 25% to 75% by weight of at least one polyfunctional mono- or poly-pentaerythritol polyacrylate monomer containing at least three acryloyloxy groups in the molecule and represented by formula (I): ##STR9## wherein at least three of X 11 , X 12 , X 13 , X 22 , X 23 . . . X n2 , X n3 and X 14 are acryloyloxy groups (CH 2 ═CH.COO--) and the remaining groups are hydroxyl groups (--OH), and n is an integer of from 1 to 5, (ii) 25% to 75% by weight of at least one polyfunctional monomer represented by formula (II): ##STR10## wherein at least three of the R groups are acryloyloxy groups (CH 2 ═CH.COO--) and each of the remaining is hydrogen or a hydroxyl group; n 1 , n 2 , n 3 , n 4 , m 1 , m 2 , m 3 and m 4 are integers of 0, 1 or 2; and x is an integer of from 1 to 10, and (iii) 0% to 50% by weight of a monomer containing one acryloyloxy group in the molecule and having a boiling point of at least 150° C. at normal pressure and a viscosity of not higher than 20 cps as measured at 20° C., and (b) 0.01 to 6.0 parts by weight, based on 100 parts by weight of the polyfunctional monomer mixture (a) mentioned above, of at least one photosensitizer.

Claim 10

Dependent Claim 309 words

A process for the preparation of synthetic resin shaped articles, which comprises: coating the surface of a synthetic resin shaped article with a coating composition, and irradiating the coated shaped article with ultraviolet rays in air to form on the surface of the synthetic resin shaped article a crosslinked and cured film having a thickness of 1 to 30 microns, wherein said coating composition comprises: (a) a polyfunctional monomer mixture comprising (i) 25% to 75% by weight of at least one polyfunctional mono- or poly-pentaerythritol polyacrylate monomer containing at least three acryloyloxy groups in the molecule and represented by formula (I): ##STR9## wherein at least three of X 11 , X 12 , X 13 , X 22 , X 23 . . . X n2 , X n3 and X 14 are acryloyloxy groups (CH 2 ═CH.COO--) and the remaining groups are hydroxyl groups (--OH), and n is an integer of from 1 to 5, (ii) 25% to 75% by weight of at least one polyfunctional monomer represented by formula (II): ##STR10## wherein at least three of the R groups are acryloyloxy groups (CH 2 ═CH.COO--) and each of the remaining is hydrogen or a hydroxyl group; n 1 , n 2 , n 3 , n 4 , m 1 , m 2 , m 3 and m 4 are integers of 0, 1 or 2; and x is an integer of from 1 to 10, and (iii) 0% to 50% by weight of a monomer containing one acryloyloxy group in the molecule and having a boiling point of at least 150° C. at normal pressure and a viscosity of not higher than 20 cps as measured at 20° C., and (b) 0.01 to 6.0 parts by weight, based on 100 parts by weight of the polyfunctional monomer mixture (a) mentioned above, of at least one photosensitizer.

Claim 11

Dependent Claim 53 words

The process for the preparation of synthetic resin shaped articles as set forth in claim 8, wherein 0.01 to 4.0 parts by weight, based on 100 parts by weight of the polyfunctional monomer mixture, of at least one light stabilizer having a cyclic hindered amine structure is incorporated in the polyfunctional monomer mixture.

Claim 12

Dependent Claim 57 words

The process for the preparation of synthetic resin shaped articles as set forth in claim 8, or 9 wherein 0.0001 to 2.0 parts by weight, based on 100 parts by weight of the polyfunctional monomer mixture, of at least one silicone type surface active agent modified with a polyoxyalkylene group is incorporated in the polyfunctional monomer mixture.

Claim 13

Dependent Claim 33 words

The process for the preparation of synthetic resin shaped articles as set forth in claim 8, wherein the monomer represented by formula (I) is depentaerythritol triacrylate, dipentaerythritol tetraacrylate, dipentaerythritol pentaarylate or dipentaerythritol hexaacrylate.

Claim 14

Dependent Claim 88 words

The process for the preparation of synthetic resin shaped articles as set forth in claim 8 or 9, wherein the polyfunctional monomer represented by formula (II) is selected from the group consisting of esters prepared by esterification of (i) malonic acid and acrylic acid with trimethylol ethane, (ii) malonic acid and acrylic acid with trimethylolpropane, (iii) succinic acid and acrylic acid with trimethylolethane, (iv) succinic acid and acrylic acid with trimethylolpropane, (v) adipic acid and acrylic acid with trimethylolethane and (vi) adipic acid and acrylic acid with trimethylolpropane.

Claim 15

Dependent Claim 53 words

The process for the preparation of synthetic resin shaped articles as set forth in claim 8 or 9, wherein the monomer containing one acryloyloxy group in the molecular contains at least one moiety selected from the group consisting of a hydroxyl group and an ether linkage on the side chain in the molecule.

Claim 16

Dependent Claim 116 words

The process for the preparation of synthetic resin shaped articles as set forth in claim 9, wherein the light stabilizer having the cyclic hindered amine structure is represented by formula (III): ##STR11## wherein n' is an integer of from 1 to 4 and, when n' is 1, R' is an acyl group derived from an aliphatic or aromatic monocarboxylic acid; when n' is 2, R' is a carbonyl group or a diacryl group derived from an aliphatic or aromatic dicarboxylic acid; when n' is 3, R' is a triacyl group derived from an aliphatic or aromatic tricarboxylic acid; and, when n' is 4, R' is a tetraacyl group derived from an aliphatic or aromatic tetracarboxylic acid.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1986-01-03	1986-07-05	1987-01-04	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1990-01-03	1990-07-05	1991-01-04	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1994-01-03	1994-07-05	1995-01-04	$7700.00	Window Closed / Lapsed

Coating composition and process for preparing synthetic resin shaped articles by using same

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