CA2325732A1 - Process for producing paintable polymeric articles - Google Patents

Process for producing paintable polymeric articles Download PDF

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Publication number
CA2325732A1
CA2325732A1 CA002325732A CA2325732A CA2325732A1 CA 2325732 A1 CA2325732 A1 CA 2325732A1 CA 002325732 A CA002325732 A CA 002325732A CA 2325732 A CA2325732 A CA 2325732A CA 2325732 A1 CA2325732 A1 CA 2325732A1
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Canada
Prior art keywords
acid
group
polymeric material
oxidizing agent
mixtures
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Granted
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CA002325732A
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French (fr)
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CA2325732C (en
Inventor
Lars Guenter Beholz
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Beholz Technology LLC
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Individual
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Publication date
Priority claimed from US09/048,609 external-priority patent/US6077913A/en
Priority claimed from US09/196,608 external-priority patent/US6100343A/en
Application filed by Individual filed Critical Individual
Publication of CA2325732A1 publication Critical patent/CA2325732A1/en
Application granted granted Critical
Publication of CA2325732C publication Critical patent/CA2325732C/en
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Expired - Fee Related legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00Chemical modification by after-treatment
    • C08F8/06Oxidation

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  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

A method for improving surface adhesion characteristics of a polymeric substrate and/or virgin polymeric material in which the portion of the surface of the polymeric substrate and/or virgin polymeric material to be treated is contacted with a composition containing at least one oxidizing agent. The oxidizing agent in the composition is present in a kinetically degrading state capable of producing at least one chemical intermediate which is reactive with the polymeric substrate/virgin polymeric material. Contact between the composition containing the oxidizing agent and the polymeric substrate/virgin polymeric material is maintained for an interval sufficient to produce or modify functional groups in the polymeric substrate/virgin polymeric material. The oxidizing agent of choice is a halogenated bivalent oxygen compound. The oxidizing agent is activated by an activator agent containing at least one carboxylic acid group or derivative thereof. The activator agent may be present in the composition upon initial contact with the polymeric substrate/virgin polymeric material, or may be added to the composition subsequent to initial contact with the polymeric substrate/virgin polymeric material.

Claims (20)

1. A method for improving adhesion characteristics of a polymeric material, comprising the steps of:
contacting the polymeric material with a composition containing at least one oxidizing agent, said oxidizing agent present in a kinetically degrading state which produces at least one chemical intermediate reactive with the polymeric substrate in a controlled reaction mechanism; and maintaining contact between the polymeric material and the composition for an interval sufficient to impart functional groups derived from said oxidizing agent into the polymeric material;
wherein said oxidizing agent is a bivalent oxygen compound selected from the group consisting of oxycompounds of chlorine, oxycompounds of bromine, oxycompounds of iodine, oxycompounds of boron, oxycompounds of nitrogen and mixtures thereof.
2. The method of claim 1 wherein said bivalent oxygen compound is selected from the group consisting of:
oxycompounds of. chlorine selected from the group consisting of hypochlorous acid, alkali metal salts of hypochlorous acid and hydrates thereof, alkaline earth metal salts of hypochlorous acid and hydrates thereof, perchloric acid, alkali metal salts of perchloric acid and hydrates thereof, chloric acid, alkali metal salts of chloric acid and hydrates thereof, alkaline earth metal salts of chloric acid and hydrates thereof;
oxycompounds of bromine selected from the group consisting of hypobromous acid, alkali metal salts of hypobromous acid and hydrates thereof, alkaline earth metal salts of hypobromous acid and hydrates thereof, bromic acid, alkali and alkaline earth metal salts of bromic acid and hydrates thereof;

oxycompounds of iodine selected from the group consisting of iodic acid, alkali and alkaline earth metal salts of iodic acid and hydrates thereof, periodic acid, alkali and alkaline earth metal salts of periodic acid and hydrates thereof;
oxycompounds of boron selected from the group consisting of boric acid, alkaline earth and alkali metal salts and hydrates thereof, alkali perborates and hydrates thereof, alkaline earth metal perborates and hydrates thereof;
oxycompounds of nitrogen selected from the group consisting of nitric acid, alkali and alkaline earth metal salts of nitric acid and hydrates thereof;
and mixtures thereof.
3. The method of claim 1, further comprising the step of reacting said oxidizing agent with an activating agent which preferentially reacts with said oxidizing agent to produce said at least one intermediate reactive with the polymeric substrate, said activating agent selected from the group consisting of carboxylic acids, anhydride derivatives of carboxylic acids, acid halide derivatives of carboxylic acids, sulfonic acid derivatives of carboxylic acids, selenic acid derivatives of carboxylic acids, perchloric acid derivatives of carboxylic acid, boric acid derivatives of carboxylic acid, dicarboxylic acid, anhydride derivatives of dicarboxylic acid, acid halide derivatives of dicarboxylic acid, sulfonic acid derivatives of dicarboxylic acids, selenic acid derivatives of dicarboxylic acid, perchloric acid derivatives of dicarboxylic acid, boric acid derivatives of dicarboxylic acid, synthetic equivalents thereof, and mixtures thereof.
4. The method of claim 3 wherein the carboxylic acid has the general formula:
wherein x and y are integers between 0 and 20 inclusive, with the sum of x and y being an integer of 20 or less, wherein R is a functionality selected from the group consisting of substituted or unsubstituted aromatic hydrocarbon groups, branched or unbranched alkyl groups, the alkyl group having between 1 and 27 carbon atoms, and mixtures thereof, and wherein each variable R', R'', R''' and R'''' is a functionality selected from the group consisting of hydrogen, amines, hydroxyl, phenyl, phenol radicals, and mixtures thereof, each of the above-mentioned R variable functionalities being chosen independently of the other R variable functionalities, and wherein R'' may also be selected from the group consisting of anhydrides, halide salts, selenic acid salts, perchloric acid salts, boric acid salts, and mixtures thereof; and wherein the dicarboxylic acid has the general formula:
wherein x is an integer between 1 and 20 inclusive and R
and R' are functionalities selected from the group consisting of hydrogen, hydroxyl radicals, amines, phenyl radicals and mixtures thereof.
5. The method of claim 3 wherein said contacting step occurs at a temperature between about 20°C and a temperature at which decomposition of the polymeric material commences.
6. The method of claim 5 wherein the polymeric material is selected from the group consisting of:
addition polymers selected from the group consisting of polyethylene, polypropylene, polystyrene, polyisobutylene, polyvinyl chloride, polyacrylonitrile, polymethyl acrylate, polymethyl methacrylate, polytetrafluoroethylene, polyformaldehyde, polyacetaldehyde, polyisoprene, and mixtures thereof;
condensation polymers selected from the group consisting of polyamides, polyesters, polyurethanes, polysiloxanes, polyphenolformaldehydes, ureaformaldehydes, melamine formaldehydes, celluloses, polysulfides, polyacetates, polycarbonates, and mixtures thereof;
thermoplastic elastomers selected from the group consisting of styrene-isoprene-styrene, styrene-butadiene-styrene, copolyesters, copolyester ethers, silicone-polyamides, silicone-polyesters, silicone-polyolefins, silicone-styrenes, aromatic polyether-urethanes, alpha cellulose filled ureas, polyvinyl chloride-acetates, vinylbutyrals, and mixtures thereof;
co-polymers selected from the group consisting of polyester-polyethers, polyether-polysiloxanes, polysiloxane-polyamides, polyesteramides, copolyamides, nylons, and mixtures thereof; and mixtures thereof.
7. The method of claim 6 wherein the polymeric material is selected from the group consisting of polyethylenes, polypropylenes, polyesters, thermoplastic elastomers, and mixtures thereof.
8. The method of claim 7 wherein the polymeric material is a polyester selected from the group consisting of polybutylene terephthalate, polyethylene terephthalate, and mixtures thereof.
9. The method of claim 3 wherein said reacting step in which said oxidizing agent is reacted with said activating agent occurs in at least one of: an aqueous environment; an anhydrous environment; and a vaporous environment.
10. The method of claim 9 wherein the reaction between said oxidizing agent and said activating agent occurs at a rate essentially equal to reaction between said polymeric substrate and the reaction intermediate.
11. The method of claim 3 wherein the oxidizing agent is maintained in an aqueous solution at a concentration between about 0.25% and 25% by volume, and wherein the activating agent is maintained in said aqueous solution at a concentration between about 0.01%
and 5.00% by volume.
12. The method of claim 1 wherein the polymeric material is a virgin polymeric material.
13. The method of claim 1 wherein the contacting step is carried out by spraying the composition onto at least one of a virgin polymeric material and a polymeric substrate with a heated spray gun.
14. The method of claim 1 wherein the composition is flash heated to form a reactive vapor, and the contacting step is carried out by exposing a polymeric substrate to the vapor for a period of time sufficient to render the substrate adhesive.
15. The method of claim 3 wherein the oxidizing agent and the activating agent are each in solid form, and wherein the method further comprises the step of placing the solid agents at the mouth of an injection molding press, wherein the contacting step occurs during molding of a virgin polymeric material into a polymeric substrate.
16. The method of claim 3 wherein the composition takes the form of at least one of: the oxidizing agent and the activating agent are each in solid form held in a suspension; and the oxidizing agent and the activating agent are in an aqueous solution; and wherein the method further comprises the step of spraying the composition onto the inner core of a tool of an injection molding press, wherein the contacting step occurs during molding of a virgin polymeric material into a polymeric substrate.
17. The method of claim 3 wherein the composition is flash heated to form a reactive vapor, and wherein the vapor is forced into a molding tool substantially immediately before closing the tool, wherein the contacting step occurs during molding of a virgin polymeric material into a polymeric substrate.
18. The method of claim 3 wherein the activating agent is selected from the group consisting of acetic anhydride, glacial acetic acid, vinegar, oxalic acid, formic acid, and mixtures thereof.
19. The method of claim 3 wherein the oxidizing agent is selected from the group consisting of sodium hypochlorite, calcium hypochlorite, calcium hypochlorite tetrahydrate, and mixtures thereof.
20. A method for improving adhesion characteristics of a polymeric material, comprising the steps of:
contacting the polymeric material with a composition containing at least one oxidizing agent, said oxidizing agent present in a kinetically degrading state which produces at least one chemical intermediate reactive with the polymeric substrate in a controlled reaction mechanism;
maintaining contact between the polymeric material and the composition for an interval sufficient to impart functional groups derived from said oxidizing agent into the polymeric material; and reacting said oxidizing agent with an activating agent which preferentially reacts with said oxidizing agent to produce said at least one intermediate reactive with the polymeric substrate;
wherein said oxidizing agent is a bivalent oxygen compound selected from the group consisting of oxycompounds of chlorine, oxycompounds of bromine, oxycompounds of iodine, oxycompounds of boron, oxycompounds of nitrogen and mixtures thereof;
and wherein said activating agent is selected from the group consisting of carboxylic acids, anhydride derivatives of carboxylic acids, acid halide derivatives of carboxylic acids, sulfonic acid derivatives of carboxylic acids, selenic acid derivatives of carboxylic acids, perchloric acid derivatives of carboxylic acid, boric acid derivatives of carboxylic acid, dicarboxylic acid, anhydride derivatives of dicarboxylic acid, acid halide derivatives of dicarboxylic acid, sulfonic acid derivatives of dicarboxylic acids, selenic acid derivatives of dicarboxylic acid, perchloric acid derivatives of dicarboxylic acid, boric acid derivatives of dicarboxylic acid, synthetic equivalents thereof, and mixtures thereof.
CA2325732A 1998-03-26 1999-03-24 Process for producing paintable polymeric articles Expired - Fee Related CA2325732C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US09/048,609 US6077913A (en) 1998-03-26 1998-03-26 Process for producing paintable polymeric articles
US09/048,609 1998-03-26
US09/196,608 1998-11-03
US09/196,608 US6100343A (en) 1998-11-03 1998-11-03 Process for producing paintable polymeric articles
PCT/US1999/006270 WO1999048933A1 (en) 1998-03-26 1999-03-24 Process for producing paintable polymeric articles

Publications (2)

Publication Number Publication Date
CA2325732A1 true CA2325732A1 (en) 1999-09-30
CA2325732C CA2325732C (en) 2011-01-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2325732A Expired - Fee Related CA2325732C (en) 1998-03-26 1999-03-24 Process for producing paintable polymeric articles

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AU (1) AU3198199A (en)
CA (1) CA2325732C (en)
WO (1) WO1999048933A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7022291B1 (en) * 2002-03-22 2006-04-04 Beholz Lars G Apparatus for treating polymeric material to improve surface adhesion

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6125252B2 (en) * 2012-02-10 2017-05-10 東洋ゴム工業株式会社 Modified polymer production method and diene polymer
JP6125283B2 (en) * 2013-03-07 2017-05-10 東洋ゴム工業株式会社 Modified polymer production method and diene polymer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2118580C3 (en) * 1970-07-15 1974-11-21 Nautschno-Issledowatel'skij Institut Resinowoj Promyschlennosti, Moskau Improving the adhesiveness of surfaces of polymer plastics
US5053256A (en) * 1988-11-03 1991-10-01 Hercules Incorporated Sodium hypochlorite surface treatment to improve the adhesion of paints to polydicyclopentadiene
US5232604A (en) * 1990-01-31 1993-08-03 Modar, Inc. Process for the oxidation of materials in water at supercritical temperatures utilizing reaction rate enhancers
US5670582A (en) * 1996-07-24 1997-09-23 Exxon Chemical Patents Inc. Process for halogenation of isomonoolefin/para-alkylstyrene copolymers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7022291B1 (en) * 2002-03-22 2006-04-04 Beholz Lars G Apparatus for treating polymeric material to improve surface adhesion

Also Published As

Publication number Publication date
AU3198199A (en) 1999-10-18
CA2325732C (en) 2011-01-11
WO1999048933A1 (en) 1999-09-30

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