ACETONE-BASED SOLUTION OF A VINYL RESIN
Disclosed in this specification is a method and composition for producing a coating of a poly(vinyl chloride) (PVC) resin from an acetone-based solution. The solution includes a coating facilitator with terpineol and/or tertbutyl acetate. The coating facilitator also includes a second compound with a boiling point of at least 100° C. that acts to promote the solubility of the PVC resin. Also disclosed is an acetone-based solvent system that includes an additive selected from a terpene, diacetone alcohol and t-butyl acetate.
1 . A solution of poly(vinyl chloride) resin comprising
a poly(vinyl chloride) resin;
an acetone solvent present in a concentration of at least 50% (m/m);
a coating facilitator, present in a concentration from about 1% (m/m) to about 30% (m/m), that includes:
a first compound selected from the group consisting of terpineol, tertbutyl acetate, and combinations thereof;
a second compound with a boiling point of at least 100° C., wherein the poly(vinyl chloride) is soluble in the pure second compound.
2 . The solution as recited in claim 1 , wherein the acetone is present in a concentration of 50% (m/m) to 70% (m/m).
3 . The solution as recited in claim 1 , wherein the coating facilitator is present in a concentration of from about 5% to about 15%.
4 . The solution as recited in claim 1 , wherein the coating facilitator is present in a concentration of about 10%.
5 . The solution as recited in claim 1 , wherein at least 50% (m/m) of the coating facilitator is the second compound.
6 . The solution as recited in claim 1 , wherein at least 70% (m/m) of the coating facilitator is the second compound.
7 . The solution as recited in claim 6 , wherein the first compound is terpineol.
8 . The solution as recited in claim 6 , wherein the first compound is tertbutyl acetate.
9 . The solution as recited in claim 1 , further comprising a phthalate plasticizer.
10 . The solution as recited in claim 1 , further comprising a pigment.
11 . The solution as recited in claim 10 , further comprising a dispersant for dispersing the pigment.
12 . The solution as recited in claim 1 , wherein the second compound is a cyclic ketone.
13 . The solution as recited in claim 1 , wherein the second compound is cyclohexanone or cyclopentanone.
14 . The solution as recited in claim 1 , wherein the second compound is 4-chloro-α,α, α-trifluorotoluene.
15 . The solution as recited in claim 1 , further comprising an anti-fouling agent.
16 . A method of coating a substrate with a poly(vinyl chloride) resin dissolved in an acetone-based solution comprising the steps of:
coating a substrate with a poly(vinyl chloride) resin solution, the solution including:
a poly(vinyl chloride) resin;
an acetone solvent present in a concentration of at least 50% (m/m);
a coating facilitator, present in a concentration from about 1% (m/m) to about 30% (m/m), that includes:
a first compound selected from the group consisting of terpineol, tertbutyl acetate, and combinations thereof;
a second compound with a boiling point of at least 100° C., wherein the poly(vinyl chloride) is soluble in the pure second compound;
permitting the acetone solvent to evaporate, thus producing a substrate coated with a poly(vinyl chloride) coating.
17 . The method as recited in claim 16 , wherein the poly(vinyl chloride) resin solution further includes a dispersant.
18 . A substrate coated in accordance with the method of claim 16 .
19 . The substrate as recited in claim 18 , wherein the poly(vinyl) chloride coating includes the first compound after the acetone has evaporated.
20 . A method of coating a substrate with a poly(vinyl chloride) resin dissolved in an acetone-based solution comprising the steps of:
coating a substrate with a poly(vinyl chloride) resin solution, the solution including:
a poly(vinyl chloride) resin;
an acetone solvent present in a concentration of at least 50% (m/m);
a coating facilitator that includes:
a first compound selected from the group consisting of terpineol, tertbutyl acetate, and combinations thereof;
a second compound with a boiling point of at least 100° C., wherein the poly(vinyl chloride) is soluble in the pure second compound,
permitting the acetone solvent to dry, thus producing a substrate coated with a poly(vinyl chloride) coating, wherein the coating facilitator was present in the resin solution in an effective concentration to permit the poly(vinyl chloride) resin to be coated on the substrate.
21 . A solution comprising
an acetone solvent present in a concentration of at least 50% (m/m);
a first compound, present in a concentration from about 5% (m/m) to about 20% (m/m), selected from the group consisting of a terpene, diacetone alcohol, t-butyl acetate, and combinations thereof.
22 . The solution as recited in claim 21 , wherein the first compound is a terpene.
23 . The solution as recited in claim 21 , wherein the first compound is a terpene hydrocarbon.
24 . The solution as recited in claim 21 , wherein the first compound is d-limonene.
25 . The solution as recited in claim 21 , wherein the first compound is a terpene alcohol.
26 . The solution as recited in claim 21 , wherein the first compound is terpineol.
27 . The solution as recited in claim 21 , wherein the first compound is pine oil.
28 . The solution as recited in claim 21 , wherein the first compound is diacetone alcohol.
29 . The solution as recited in claim 21 , wherein the first compound is t-butyl acetate.
30 . The solution as recited in claim 21 , further comprising a polymeric resin.
31 . The solution as recited in claim 30 , wherein the polymeric resin is selected from the group consisting of a polymeric acrylic resin and a polymeric vinyl resin.
32 . The solution as recited in claim 21 , further comprising from about 10% (m/m) to about 20% (m/m) t-butyl acetate and from about 5% (m/m) to about 20% (m/m) of the first compound, wherein the first compound is selected from the group consisting of a terpene, diacetone alcohol, and combinations thereof