NL7607765A - Paper-polyethylene laminate for protecting thermoplastic sheets - e.g. of polymethyl methacrylate or PVC, applied without adhesive after corona discharge treatment - Google Patents
Paper-polyethylene laminate for protecting thermoplastic sheets - e.g. of polymethyl methacrylate or PVC, applied without adhesive after corona discharge treatmentInfo
- Publication number
- NL7607765A NL7607765A NL7607765A NL7607765A NL7607765A NL 7607765 A NL7607765 A NL 7607765A NL 7607765 A NL7607765 A NL 7607765A NL 7607765 A NL7607765 A NL 7607765A NL 7607765 A NL7607765 A NL 7607765A
- Authority
- NL
- Netherlands
- Prior art keywords
- sheet
- polyethylene
- paper
- corona discharge
- discharge treatment
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0008—Electrical discharge treatment, e.g. corona, plasma treatment; wave energy or particle radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/06—Interconnection of layers permitting easy separation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/748—Releasability
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2317/00—Animal or vegetable based
- B32B2317/12—Paper, e.g. cardboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2323/00—Polyalkenes
- B32B2323/04—Polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2333/00—Polymers of unsaturated acids or derivatives thereof
- B32B2333/04—Polymers of esters
- B32B2333/12—Polymers of methacrylic acid esters, e.g. PMMA, i.e. polymethylmethacrylate
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Laminated Bodies (AREA)
Abstract
A thermoplastics sheet is protected by application of a paper-polyethylene laminate, in which the surface of the polyethylene has been subjected to a corona discharge treatment. The laminate is applied to the surface of the sheet by heat and pressure or by pressure alone, so that the polyethylene adheres to the surface of the sheet. The protective film adheres well to the thermoplastics sheet substrate without the use of adhesives. good protection of the sheet is provided and the protective film is easily removed to leave the sheet in a condition ready for subsequent use, e.g. in vacuum forming. In an example, a paper-polyethylene laminate with 20 mu layer of polyethylene, was subjected to a corona discharge and applied to PMMA sheet using a rubber roler at 105 degrees C. The protective layer adhered well the sheet and was easily removed when the sheet was required for use.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2964675 | 1975-07-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7607765A true NL7607765A (en) | 1977-01-18 |
Family
ID=10294851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7607765A NL7607765A (en) | 1975-07-15 | 1976-07-14 | Paper-polyethylene laminate for protecting thermoplastic sheets - e.g. of polymethyl methacrylate or PVC, applied without adhesive after corona discharge treatment |
Country Status (1)
Country | Link |
---|---|
NL (1) | NL7607765A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4863667A (en) * | 1985-10-17 | 1989-09-05 | G.O.R. Applicazioni Speciali S.P.A. | Method of and device for applying a provisional protective covering to internal upholstery panels for vehicles, or the like, and panels provided with the said provisional protective covering |
-
1976
- 1976-07-14 NL NL7607765A patent/NL7607765A/en not_active Application Discontinuation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4863667A (en) * | 1985-10-17 | 1989-09-05 | G.O.R. Applicazioni Speciali S.P.A. | Method of and device for applying a provisional protective covering to internal upholstery panels for vehicles, or the like, and panels provided with the said provisional protective covering |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BV | The patent application has lapsed |