Claims
- 1. A method for the detackification of oversprayed paint in a paint spray operation wherein said oversprayed paint comes into contact with water from a waste water system, the method comprising:
- dosing the water from the waste water system within an effective detackifying amount of a composition comprising:
- a polymer consisting essentially of:
- from about 10 to about 50 mole percent cationic mer units, the cationic mer units being selected from the group consisting of dimethylaminoethylmethacrylate sulfuric acid salt, dimethylaminoethylmethacrylate methylchloride quaternary salt or mixtures thereof;
- from about 1 to about 10 mole percent ethylenically unsaturated anionic mer units; and
- from about 40 to about 89 mole percent acrylamide mer units,
- wherein the polymer has an intrinsic viscosity of from about 1.2 to about 3.8; and
- from about 0.2 to about 10.0 parts by weight of aluminum sulfate as the octadecahydrate for each part by weight of the polymer.
- 2. A method for the detackification of oversprayed paint in a paint spray operation wherein said oversprayed paint comes into contact with water of a waste water system, comprising:
- dosing said water of said waste water system with composition comprising a polymer and aluminum sulfate,
- said polymer consisting essentially from about 10 to about 50 mole percent of cationic mer units of monoethylenically unsaturated monomer, selected from a dimethylaminoethylmethacrylate sulfuric acid salt, and from about 50 to about 90 mole percent of (meth)acrylamide mer units,
- said polymer having an intrinsic viscosity of from about 1.2 to about 4.0
- said composition containing from about 0.2 to about 10.0 parts by weight of aluminum sulfate as the octadecahydrate for each part by weight of said polymer,
- wherein said composition is present in said water of said waste water system in sufficient amount to detackify oversprayed paint when said oversprayed paint comes into contact with said water.
- 3. A method for detackification of paint and removal of residual paint and metals present in spray paint booth water comprising adding to said water an effective amount of an inorganic-organic adduct alloy polymer composition having the formula
- (A).sub.r --(B+).sub.x --(D+).sub.w
- wherein:
- A is an inorganic material represented by the formula: A={(SiO.sub.2 /Me.sup.I.sub.2 O).sub.u Me.sub.m.sup.II Me.sub.n.sup.III (OH).sub.p (SO.sub.4).sub.y (Aci).sub.(2m+3)-p-2y}r
- where: u is 0 to 10% by weight, r is 1 to 99% by weight (SiO.sub.2 /Me.sub.2.sup.I O), ratio is 1.5 to 3.5 and Me.sup.I =Na, K, Li,
- (SiO.sub.2 /Me.sub.2.sup.I O).sub.u is a silicate adduct or polymeric form of a compound selected from the group of hydroxy, polyhydroxy and oxy aluminum compound;
- Me.sub.m.sup.II is selected from the divalent cation group of hydroxy, polyhydroxy aluminum and iron adduct complex consisting of:
- Mg, Zn, Ca, and Fe.sup.II ; and m=0 to 5;
- Me.sub.n.sup.III is a tri-or higher valent metal selected from the group consisting of the adduct of hydroxy, polyhydroxy, and oxy of Al, Fe, and Al-Zr complexes; and
- n=1 to20;
- Aci is selected from the monovalent anionic group consisting of:
- I.sup.-, Cl.sup.-, Br.sup.-, NO.sub.3.sup.-, H.sub.2 PO.sub.4.sup.-, CH.sub.3 COO.sup.-, OH.sup.-, and mixtures thereof;
- p=0 to 75; y=0 to 15;
- --(B.sup.+).sub.x
- is a water soluble cationic polymer selected from the group consisting of protonized or quaternized polymers of melamine-glyoxal, melamine-formaldehyde, melamine-glyoxal-formaldehyde and its copolymer with cyanoguanidine, urea, cationic polyamine selected from the group of epichlorohydrin-dimethylamine polymers or copolymers thereof, (C.sub.1 -C.sub.3) alkanol amine protonized by mineral acids or organic acids selected from the group consisting of hydrochloric, sulfuric, phosphoric, nitric, formic, acetic, propionic, glycolic, lactic, citric, glutaric, oxalic and mixtures thereof, and optionally quaternized with a compound selected from the group consisting of methyl halides and C.sub.1 -C.sub.2 dialkyl sulfates, said polymer having a viscosity average molecular weight of from 200 to 500,000;
- and x=0 to 100% by weight, and
- --(D.sup.+).sub.w
- is a water soluble cationic polymer or (co)polymer selected from the group consisting of homopolymers of cationic monomers selected from the group consisting of (meth)acrylamide, C.sub.1 -C.sub.4 dialkylamino(meth)acrylate and their quaternized derivatives with methyl halides or C.sub.1 -C.sub.2 dialkyl sulfates, salts of dialkylamino- (meth)acrylate with acids selected from the group of sulfuric, hydrochloric and phosphoric acids, methacrylamidopropyl trimethyl ammonium salt, N,N,N-trimethylallyl ammonium salts, diallyldimethyl ammonium halide, and copolymers thereof, amphoteric polymers selected from the group consisting of poly(DADMAC), (co)polymers of (DADMAC-acrylamide) in weight ratio of (50/50), and mixtures thereof, acrylamide-manich (co)polymers, nonionic, anionic and cationic (co)polyacrylamide, blends of cationic (co)polyacrylamide and poly(DADMAC) with water soluble protonized and optionally quaternized polymers of melamine-glyoxal, melamine-formaldehyde, melamine-glyoxal-formaldehyde and (co)polymers with cyanoguanidine, urea, cationic polyamine selected from the group of epichlorohydrin-dimethylamine polymers or copolymers thereof, C.sub.1 -C.sub.3 alkanol amine, and mixtures thereof, and
- w=0.2 to 99% by weight
- with the proviso that A is always positive and at least one of B.sup.+ and/or D.sup.+ is also positive.
- 4. A method according to claim 3 wherein the paint detackification is conducted at a pH of from about 2.0 to about 13.5.
- 5. A method according to claim 3 wherein the pH is adjusted with an inorganic or organic alkaline compound selected from the group consisting of NaOH, KOH, Ca(OH).sub.2, Na.sub.2 CO.sub.3, sodium aluminate and potassium aluminate, sodium zincate, sodium silicate, sodium meta silicate or their reacted product with aluminum salts, sodium borate, aliphatic amine, C.sub.1 -C.sub.3 alkanolamines having dissolved therein 1% to 10% bw of NaOH or KOH, and mixtures thereof, and with and without a "Hydrophobe" material selected from the group of anionic, nonionic and cationic surfactants mixed with latices selected from the group of styrene and acrylic latices being added prior or after addition of inorganic-organic or organic adduct.
- 6. The method according to claim 5 wherein the "Hydrophobe" materials include nonionic and anionic surfactants and mixtures thereof, the above surfactants having combined carbon atoms from C.sub.5 -C.sub.50 in their structure, and from 0.5 to 95% bw, (co)polymers of ethylenicaly unsaturated vinyl monomers selected from the group consisting of styrene latex, styrene-divinylbenzene latex, styrene-butadiene latex, styrene-acrylate latex, acrylic-vinyl halide latex, and natural polymer selected from the group consisting of sodium gluconate, sodium glucoheptonate, bentonite, modified organic bentonites, rosin soaps, and solvents selected from the group consisting of aprotic solvents and organic strippers.
- 7. The method according to claim 5 wherein the alkaline material, the hydrophobe material, surfactant, organic stripper or aprotic solvents and natural polymer are present respectively in parts by weight from (2.5-5.0 pbw); (1.5-45 pbw); (0.5-15 pbw); (0.0-38 pbw); and (0.0-5.0 pbw).
- 8. The method according to claim 6 wherein the detackification process is ended at a pH range from about 6.0 to about 9.0.
- 9. The method of claim 3 wherein the pH is adjusted from about 2.5 to about 12.0.
- 10. The method of claim 3 wherein the water comprises paint and laquer waste waters.
- 11. The method of claim 3 wherein the water comprise spray booth water.
- 12. The method of claim 3 wherein the water contains residual paint and metals.
- 13. The method of claim 3 wherein from about 1 to about 20 milliliters of said composition per 200 milliliters of water is used.
- 14. The method according to claim 13 wherein A is aluminum sulfate and D.sup.+ is a quaternized acrylamide-(meth)acrylate (co)polymer.
- 15. A method for the detackification of oversprayed paint in a paint spray operation wherein said oversprayed paint comes into contact with water from a waste water system, the method comprising:
- dosing the water from the waste water system within an effective detackifying amount of a composition comprising:
- a polymer consisting essentially of: (i) a cationic mer unit selected from the group consisting of dimethylaminoethylmethacrylate sulfuric acid salt, dimethylaminoethylmethacrylate methyl chloride quaternary salt or mixtures thereof; (ii) ethylenically unsaturated anionic mer units; and (iii) (meth)acrylamide mer units wherein the polymer has an intrinsic viscosity of from about 1.2 to about 3.8 or a viscosity average molecular weight in the range of 1000 to 25,000,000; and from about 0.01 parts to about 99 parts by weight or from about 1 to 99% by weight of aluminum sulfate as the octadecahydrate for each part by weight of the polymer.
- 16. A method for the detackification of oversprayed paint in a paint spray operation wherein said oversprayed paint comes into contact with water of a waste water system, comprising:
- dosing said water of said waste water system with a composition comprising a polymer and aluminum sulfate, said polymer consisting essentially of: (i) a cationic mer unit selected from the group consisting of dimethylaminoethylmethacrylate sulfuric acid salt, dimethylaminoethylmethacrylate methyl chloride quaternary salt and (ii) (meth)acrylamide mer units; said polymer having an intrinsic viscosity of from about 1.2 to about 4.0 or a viscosity average molecular weight in the range of 1000 to 25,000,000; said composition containing from about 1 to 99% by weight or from 0.01 parts to about 99 parts by weight of aluminum sulfate as the octadecahydrate for each part by weight of said polymer, wherein said composition is present in said water of said waste water system in sufficient amount to detackify oversprayed paint when said oversprayed paint comes into contact with said water.
CROSS-REFERENCE TO RELATED APPLICATION
This application is a divisional of pending application Ser. No. 08/047,624, filed Apr. 15, 1993, now U.S. Pat. No. 5,294,352 which is a continuation of Ser. No. 07/763,880 filed Sep. 20, 1991 now abandoned, which is a continuation of Ser. No. 07/409,396 filed Sep. 19, 1989 now abandoned, which is a CIP of Ser. No. 07/096,681 filed Sep. 15, 1987 now abandoned and CIP of Ser. No. 06/749,343 filed Jun. 27, 1985 now U.S. Pat. No. 4,891,422.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
4067806 |
Mauceri |
Jan 1978 |
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4637824 |
Pominville |
Jan 1987 |
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Divisions (1)
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Number |
Date |
Country |
Parent |
047624 |
Apr 1993 |
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Continuations (2)
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Number |
Date |
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Parent |
763880 |
Sep 1991 |
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Parent |
409396 |
Sep 1989 |
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Continuation in Parts (1)
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Number |
Date |
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Parent |
096681 |
Sep 1987 |
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