US4412034A — Cross-linkable saturated powderous compositions a…

Claim 1

Independent Claim 66 words

A powderous composition of matter useful in preparing coatings having a non-glossy surface consisting essentially of; (a) at least one cross-linkable saturated polyester resin; (b) a cross-linking agent comprising masked isocyanate groups in an amount sufficient to cross-link said resin; and (c) a catalytic amount of a salt of an at least bivalent metal ion and an organic acid anion selected from carboxylic and acetylacetonate anions.

Claim 2

Dependent Claim 66 words

A powderous composition of matter useful in preparing coatings having a non-glossy surface consisting essentially of; (a) at least one cross-linkable saturated polyester resin; (b) a cross-linking agent comprising masked isocyanate groups in an amount sufficient to cross-link said resin; and (c) a catalytic amount of a salt of an at least bivalent metal ion and an organic acid anion selected from carboxylic and acetylacetonate anions.

Claim 3

Dependent Claim 36 words

The composition as defined in claim 1, wherein the amount of cross-linking agent is such that the number of functional groups therein is about stoichiometrically equivalent to the number of reactive groups within the cross-linkable resin.

Claim 4

Dependent Claim 23 words

The composition as defined in claim 1, wherein the cross-linkable resin has a melting point of between about 50° and about 130° C.

Claim 5

Dependent Claim 27 words

The composition as defined in claim 1, wherein the cross-linkable resin is a polyester resin the hydroxyl number of which is between about 40 and about 200.

Claim 6

Dependent Claim 26 words

The composition as defined in claim 1, wherein the cross-linkable resin is a polyester resin the acid number of which is between about 0 and 10.

Claim 7

Dependent Claim 41 words

The composition as defined in claim 1, wherein the cross-linkable resin is a polyester resin which is a co-condensation product of a carboxylic acid component comprising at least one aromatic dicarboxylic acid and an alcohol component comprising at least one diol.

Claim 8

Dependent Claim 47 words

The composition as defined in claim 6, wherein the acid component further comprises at least one carboxylic acid selected from the group of saturated aliphatic dicarboxylic acids, saturated aliphatic polycarboxylic acids containing at least three functional groups and aromatic polycarboxylic acids containing at least three functional groups.

Claim 9

Dependent Claim 23 words

The composition as defined in claim 6, wherein the alcohol component further comprises at least one polyol containing at least three functional groups.

Claim 10

Dependent Claim 18 words

The composition as defined in claim 6, wherein the aromatic dicarboxylic acids comprise 8 to 12 carbon atoms.

Claim 11

Dependent Claim 14 words

The composition as defined in claim 9, wherein the aromatic acids are phthalic acids.

Claim 12

Dependent Claim 18 words

The composition as defined in claim 7, wherein the polycarboxylic acids comprise 3 to 4 carboxylic acid groups.

Claim 13

Dependent Claim 54 words

The composition as defined in claim 7, wherein the polyester resin is a reaction product of polyethylene terephthalate with a tricarboxylic acid having a hydroxyl number of between about 100 and about 180, an acid number of between 0 and about 10, and a melting point of between about 80° and about 110° C.

Claim 14

Dependent Claim 23 words

The composition as defined in claim 1, wherein the cross-linking agent has a melting point of between about 70° and about 130° C.

Claim 15

Dependent Claim 46 words

The composition as defined in claim 1, wherein the cross-linking agent is an agent which is obtainable by reacting a reaction product of a polyol with a diisocyanate with an amount of ε-caprolactam which is stoichiometrically equivalent to the free isocyanate groups in the reaction product.

Claim 16

Dependent Claim 30 words

The composition as defined in claim 14, wherein the cross-linking agent is obtainable by reacting diethylene glycol with isophorone diisocyanate and then with ε-caprolactam in a molar ratio of 1:2:2.

Claim 17

Dependent Claim 60 words

The composition as defined in claim 1, wherein the salt of the at least bivalent metal ion and the organic acid anion is a salt wherein the organic acid anion is derived from a carboxylic acid containing from 2 to about 25 carbon atoms or from acetylacetonic acid and which is mixed with the cross-linkable resin and the cross-linking agent.

Claim 18

Dependent Claim 21 words

The composition as defined in claim 16, wherein the organic acid anion comprises from about 6 to about 22 carbon atoms.

Claim 19

Dependent Claim 25 words

The composition as defined in claim 17, wherein the organic acid anion is selected from the group consisting of undecanoate, stearate, phthalates, naphthenates and acetylacetonate.

Claim 20

Dependent Claim 31 words

The composition as defined in claim 1, wherein the at least bivalent metal ion is derived from a metal selected from the group consisting of calcium, zinc, magnesium, lead, and aluminum.

Claim 21

Dependent Claim 31 words

The composition as defined in claim 1 or 2, wherein the by weight ratio between the at least bivalent metal and the cross-linkable saturated resin is between about 0.1:100 and 1.5:100.

Claim 22

Dependent Claim 30 words

The composition as defined in claim 20, wherein the by weight ratio between the at least bivalent metal and the cross-linkable saturated resin is between about 0.3:100 and about 1.0:100.

Claim 23

Dependent Claim 27 words

The composition as defined by claim 1 further comprising an adjuvant selected from the group consisting of fillers, spreading agents, catalysts, coloring agents, pigments and admixtures thereof.

Claim 24

Dependent Claim 13 words

A coating composition comprising the composition of matter as defined by claim 22.

Claim 25

Dependent Claim 13 words

The coating composition as defined by claim 23, which comprises a powder paint.

Claim 26

Dependent Claim 17 words

A polymer comprising the cross-linked reaction product of the composition of matter as defined by claim 1.

Claim 27

Dependent Claim 14 words

A coated substrate, the coating comprising the cross-linked polymer as defined by claim 25.

Claim 28

Dependent Claim 72 words

A process for preparing the composition of matter defined by claim 1, which comprises the steps of: (a) mixing the components to form a powdery mixture; (b) heating the resulting mixture to a temperature sufficiently high to form a liquid mixture which is below the temperature at which the cross-linking reaction occurs; (c) cooling the resulting liquid mixture to form a solid mixture; and, (d) grinding the solid mixture into a powder.

Claim 29

Dependent Claim 33 words

The process of claim 27, wherein mixed with the components of step (a) is at least one adjuvant component selected from the group consisting of pigments, spreading agents, catalysts, fillers and coloring agents.

Claim 30

Dependent Claim 42 words

The composition of matter as defined in claim 1, wherein the cross-linkable resin has a melting point of between about 50° and about 130° C., and wherein the cross-linking agent has a melting point of between about 70° and about 130° C.

Claim 31

Dependent Claim 127 words

A composition of matter useful in preparing coatings having a non-glossy surface comprising: (a) at least one cross-linkable saturated polyester resin which is a co-condensation product of a carboxylic acid component comprising at least one aromatic dicarboxylic acid and an alcohol component comprising at least one diol; (b) a cross-linking agent comprising masked isocyanate groups in an amount sufficient to cross-link said resin; (c) a catalytic amount of a salt of an at least bivalent metal cation and an organic acid anion selected from carboxylic and acetylacetonate anions; and, (d) at least one derivative of the polyester resin which is infusible at 150° C., which is a crystalline fraction of a crystallizable saturated polyester or a cross-linked reaction product of the saturated polyester and the cross-linking agent.

Claim 32

Dependent Claim 127 words

A composition of matter useful in preparing coatings having a non-glossy surface comprising: (a) at least one cross-linkable saturated polyester resin which is a co-condensation product of a carboxylic acid component comprising at least one aromatic dicarboxylic acid and an alcohol component comprising at least one diol; (b) a cross-linking agent comprising masked isocyanate groups in an amount sufficient to cross-link said resin; (c) a catalytic amount of a salt of an at least bivalent metal cation and an organic acid anion selected from carboxylic and acetylacetonate anions; and, (d) at least one derivative of the polyester resin which is infusible at 150° C., which is a crystalline fraction of a crystallizable saturated polyester or a cross-linked reaction product of the saturated polyester and the cross-linking agent.

Claim 33

Dependent Claim 66 words

The composition as defined in claim 30, wherein the infusible polyester resin derivative is a crystallized fraction of the polyester which is obtained by subjecting at least a part of the crystallizable polyester to a thermal treatment at a temperature of between about 100° to about 140° C. for a period of time sufficient to transform at least part of the polyester into a crystalline state.

Claim 34

Dependent Claim 20 words

The composition as defined in claim 31, wherein the period of time is from about 1 to about 24 hours.

Claim 35

Dependent Claim 30 words

The composition as defined in claim 31, wherein the crystallized fraction of the polyester has been crystallized in the presence of about 0.2 to about 1% by weight of asbestos.

Claim 36

Dependent Claim 46 words

The composition as defined in claim 30, wherein the by weight ratio between the amount of the derivative of the polyester which is infusible at 150° C. and the amount of the polyester which is fusible at 150° C. is between about 0.1:100 and about 20:100.

Claim 37

Dependent Claim 173 words

A process for preparing a composition of matter comprising at least one cross-linkable saturated resin, a cross-linking agent comprising masked isocyanate groups in an amount sufficient to cross-link said resin, and a catalytic amount of a salt of an at least bivalent metal cation and an organic acid anion selected from carboxylic and acetylacetonate anions, with said organic acid anion of the salt component being derived from a cross-linking agent the functional groups of which are acid or acid anhydride groups, which process comprises the steps of: (a) reacting at least part of the cross-linking agent with an active inorganic compound of the at least bivalent metal at a temperature of between about 170° and about 220° C.; (b) mixing the components to form a powdery mixture; (c) heating the resulting mixture to a temperature sufficiently high to form a liquid mixture which is below the temperature at which the cross-linking reaction occurs; (d) cooling the resulting liquid mixture to form a solid mixture; and, (e) grinding the solid mixture into a powder.

Claim 38

Dependent Claim 173 words

A process for preparing a composition of matter comprising at least one cross-linkable saturated resin, a cross-linking agent comprising masked isocyanate groups in an amount sufficient to cross-link said resin, and a catalytic amount of a salt of an at least bivalent metal cation and an organic acid anion selected from carboxylic and acetylacetonate anions, with said organic acid anion of the salt component being derived from a cross-linking agent the functional groups of which are acid or acid anhydride groups, which process comprises the steps of: (a) reacting at least part of the cross-linking agent with an active inorganic compound of the at least bivalent metal at a temperature of between about 170° and about 220° C.; (b) mixing the components to form a powdery mixture; (c) heating the resulting mixture to a temperature sufficiently high to form a liquid mixture which is below the temperature at which the cross-linking reaction occurs; (d) cooling the resulting liquid mixture to form a solid mixture; and, (e) grinding the solid mixture into a powder.

Claim 39

Dependent Claim 23 words

The process as defined in claim 35, wherein the reacting is effected for a period of between about 1 and about 3 hours.

Claim 40

Dependent Claim 18 words

The process as defined in claim 35, wherein the active inorganic compound is a hydroxide or an oxide.

Claim 41

Dependent Claim 173 words

A process for preparing a composition of matter comprising at least one cross-linkable saturated resin, a cross-linking agent comprising masked isocyanate groups in an amount sufficient to cross-link said resin, a catalytic amount of a salt of an at least bivalent metal cation and an organic acid anion selected from carboxylic and acetylacetonate anions, and a crystalline fraction of a saturated crystallizable polyester resin, which process comprises the steps of (a) heating at least part of the crystallizable polyester to a temperature of between about 100° and about 140° C. for a period of time sufficient to transform at least part of the crystallizable polyester into a crystalline fraction which is infusible at 150° C.; (b) mixing the components of the composition to form a powdery mixture; (c) heating the resulting mixture to a temperature sufficiently high to form a liquid mixture which is below the temperature at which the cross-linking reaction occurs; (d) cooling the resulting liquid mixture to form a solid mixture; and, (e) grinding the solid mixture into a powder.

Claim 42

Dependent Claim 173 words

A process for preparing a composition of matter comprising at least one cross-linkable saturated resin, a cross-linking agent comprising masked isocyanate groups in an amount sufficient to cross-link said resin, a catalytic amount of a salt of an at least bivalent metal cation and an organic acid anion selected from carboxylic and acetylacetonate anions, and a crystalline fraction of a saturated crystallizable polyester resin, which process comprises the steps of (a) heating at least part of the crystallizable polyester to a temperature of between about 100° and about 140° C. for a period of time sufficient to transform at least part of the crystallizable polyester into a crystalline fraction which is infusible at 150° C.; (b) mixing the components of the composition to form a powdery mixture; (c) heating the resulting mixture to a temperature sufficiently high to form a liquid mixture which is below the temperature at which the cross-linking reaction occurs; (d) cooling the resulting liquid mixture to form a solid mixture; and, (e) grinding the solid mixture into a powder.

Claim 43

Dependent Claim 25 words

The process as defined in claim 38, wherein the period of time for heating the crystallizable polyester is from about 1 to about 24 hours.

Claim 44

Dependent Claim 25 words

The process as defined in claim 38, wherein the reaction is effected in the presence of about 0.2 to about 1% by weight of asbestos.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1986-10-24	1987-04-25	1987-10-25	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1990-10-24	1991-04-25	1991-10-25	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1994-10-24	1995-04-25	1995-10-25	$7700.00	Window Closed / Lapsed

Cross-linkable saturated powderous compositions and powderous painting and coating compositions containing same

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