Patent FR711894A successfully refreshed from Google Patents.
EP0103993A2
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EP
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Process for applying a light- or radiation-curable resin composition to polyolefin moldings
Assignee: Sumitomo Chemical Co Ltd
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Filing: 1983-08-19
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Granted: —
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Expires: 2003-08-19
Abstract
Abstract Processes for applying a light- or radiation-curable resin composition onto polyolefin moldings are disclosed. The process of the invention comprises surface treating a molding of polyolefin composition composed of 99.99 to 0 wt% of a polyolefin and 0.01 to 100 wt% of an olefinic polymeric compound having polar groups represented by the formula R wherein R and R' are each a hydrogen atom or a hydrocarbon group having 1 to 8 carbon atoms, by a preferable pretreatment with a halogenated hydrocarbon solvent, low temperature plasma treatment, corona discharge treatment, flame treatment, or alkali degreasing treatment; coating the molding surface with a primer solution containing as a vehicle at least one olefinic polymeric compound having at least one polar group represented by the formula R wherein X is a halogen atom, and R and R' are each a hydrogen atom or a hydrocarbon group having 1 to 8 carbon atoms, and drying: and then, applying onto the thus-treated molding surface a light- or radiation-curable resin composition. The resulting molded articles have excellent properties in scratch resistance, hardness and adhesion (peel strength).
Inventors
- 👤 Yoshikazu Fujii
- 👤 Tomizou Kondo
- 👤 Hideo Shinonaga
- 👤 Kaoru Kitadono
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-30 15:10
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/046; C08J2323/00; C08J2323/02
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
130 words
A process for applying a light- or radiation-curable resin composition onto a polyolefin molding, comprising surface treating a molding of polyolefin composition composed of 99.99 to 0 wt% of a polyolefin and 0.01 to 100 wt% of an olefinic polymeric compound having polar groups represented by the formula wherein R and R' are each a hydrogen atom or a hydrocarbon group having 1 to 8 carbon atoms, by at least one pretreatment method selected from the group consisting of a treatment with a halogenated hydrocarbon solvent, a low temperature plasma treatment, a corona discharge treatment, a flame treatment and an alkali degreasing treatment, and applying onto the thus-treated molding surface a light- or radiation-curable resin composition, thereby to give the molding surface excellent properties in scratch resistance, hardness and adhesion.
Claim 2
Dependent Claim
130 words
A process for applying a light- or radiation-curable resin composition onto a polyolefin molding, comprising surface treating a molding of polyolefin composition composed of 99.99 to 0 wt% of a polyolefin and 0.01 to 100 wt% of an olefinic polymeric compound having polar groups represented by the formula wherein R and R' are each a hydrogen atom or a hydrocarbon group having 1 to 8 carbon atoms, by at least one pretreatment method selected from the group consisting of a treatment with a halogenated hydrocarbon solvent, a low temperature plasma treatment, a corona discharge treatment, a flame treatment and an alkali degreasing treatment, and applying onto the thus-treated molding surface a light- or radiation-curable resin composition, thereby to give the molding surface excellent properties in scratch resistance, hardness and adhesion.
Claim 3
Dependent Claim
186 words
A process for applying a light- or radiation-curable resin composition onto a polyolefin molding, comprising surface treating a molding of a polyolefin composition composed of 99.99 to 0 wt% of a polyolefin and 0.01 to 100 wt% of an olefinic polymeric compound having polar groups represented by the formula wherein R and R' are each a.hydrogen atom or a hydrocarbon group having 1 to 8 carbon atoms, by at least one pretreatment method selected from the group consisting of a treatment with a halogenated hydrocarbon solvent, a low temperature plasma treatment, a corona discharge treatment, a flame treatment and an alkali degreasing treatment; coating the molding surface with a primer solution containing as a vehicle at least one olefinic polymeric compound having at least one polar group represented by the formula wherein X is a halogen atom, and R and R' are each a hydrogen atom or a hydrocarbon group having 1 to 8 carbon atoms, and drying; and then applying onto the thus-treated molding surface a light- or radiation-curable resin composition thereby to give the molding surface excellent properties in scratch resistance, hardness and adhesion.
Claim 4
Dependent Claim
186 words
A process for applying a light- or radiation-curable resin composition onto a polyolefin molding, comprising surface treating a molding of a polyolefin composition composed of 99.99 to 0 wt% of a polyolefin and 0.01 to 100 wt% of an olefinic polymeric compound having polar groups represented by the formula wherein R and R' are each a.hydrogen atom or a hydrocarbon group having 1 to 8 carbon atoms, by at least one pretreatment method selected from the group consisting of a treatment with a halogenated hydrocarbon solvent, a low temperature plasma treatment, a corona discharge treatment, a flame treatment and an alkali degreasing treatment; coating the molding surface with a primer solution containing as a vehicle at least one olefinic polymeric compound having at least one polar group represented by the formula wherein X is a halogen atom, and R and R' are each a hydrogen atom or a hydrocarbon group having 1 to 8 carbon atoms, and drying; and then applying onto the thus-treated molding surface a light- or radiation-curable resin composition thereby to give the molding surface excellent properties in scratch resistance, hardness and adhesion.
Claim 5
Dependent Claim
145 words
A process for applying a light- or radiation-curable resin composition onto a polyolefin molding, comprising coating a molding of polyolefin composition composed of 99.99 to 0 wt% of a polyolefin and 0.01 to 100 wt% of an olefinic polymeric compound containing polar groups represented by the formula wherein R and R' are each a hydrogen atom or a hydrocarbon group having 1 to 8 carbon atoms, with a primer solution containing as a vehicle at least one olefinic polymeric compound having at least one polar group represented by the formula wherein X is a halogen atom, and R and R' are each a hydrogen atom or a hydrocarbon group having 1 to 8 carbon atoms, and drying; and then, applying onto the thus-treated molding surface a light- or radiation-curable resin composition thereby to give the molding surface excellent properties in scratch resistance, hardness and adhesion.
Claim 6
Dependent Claim
145 words
A process for applying a light- or radiation-curable resin composition onto a polyolefin molding, comprising coating a molding of polyolefin composition composed of 99.99 to 0 wt% of a polyolefin and 0.01 to 100 wt% of an olefinic polymeric compound containing polar groups represented by the formula wherein R and R' are each a hydrogen atom or a hydrocarbon group having 1 to 8 carbon atoms, with a primer solution containing as a vehicle at least one olefinic polymeric compound having at least one polar group represented by the formula wherein X is a halogen atom, and R and R' are each a hydrogen atom or a hydrocarbon group having 1 to 8 carbon atoms, and drying; and then, applying onto the thus-treated molding surface a light- or radiation-curable resin composition thereby to give the molding surface excellent properties in scratch resistance, hardness and adhesion.
Claim 7
Dependent Claim
46 words
A process as claimed in Claim 1 or Claim 2, wherein the pretreatment is accomplished by dipping said molding in a halogenated hydrocarbon solvent or exposing said molded article to a vapour of a halogenated hydrocarbon solvent at 60 to 100°C for 5 to 120 seconds.
Claim 8
Dependent Claim
40 words
A process as claimed in Claim 1 or Claim 2, wherein the pretreatment is accomplished by exposing the molding surface to low temperature plasma such that the resulting surface has a surface tension of 38 to 65 dyne/cm 2 .
Claim 9
Dependent Claim
45 words
A process as claimed in Claim 1 or Claim 2, wherein the pretreatment is accomplished by subjecting the molding surface to a corona discharge treatment or a flame treatment such that the resulting surface has a surface tension of 38 to 65 dyne/cm 2 .
Claim 10
Dependent Claim
53 words
A process as claimed in Claim 1 or Claim 2, wherein the pretreatment is accomplished by dipping said molding in an alkaline aqueous solution having a pH of 9 to 14 or applying onto the molding surface an alkaline aqueous solution having a pH of 9 to 14, followed by rinsing and drying.
Claim 11
Dependent Claim
23 words
A process as claimed in Claim 2 or Claim 3, wherein said primer solution had a solids content of 0.01 to 90 wt%.
Claim 12
Dependent Claim
25 words
Processes for applying light- or radiation-curable resin composition onto a polyolefin molding, substantially as hereinbefore described with reference to the Examples of the present invention.
Claim 13
Dependent Claim
25 words
Processes for applying light- or radiation-curable resin composition onto a polyolefin molding, substantially as hereinbefore described with reference to the Examples of the present invention.
Claim 14
Dependent Claim
19 words
A polyolefin molding, whenever coated with a light-or radiation-curable resin composition by a process according to any preceding Claim.
References Cited (Backward Citations)
No citation records indexed.
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