CN1255491C - Cold-pressurized adhesive paper tape - Google Patents
Cold-pressurized adhesive paper tape Download PDFInfo
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- CN1255491C CN1255491C CN 02135005 CN02135005A CN1255491C CN 1255491 C CN1255491 C CN 1255491C CN 02135005 CN02135005 CN 02135005 CN 02135005 A CN02135005 A CN 02135005A CN 1255491 C CN1255491 C CN 1255491C
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- glue paste
- paper
- paper tape
- tape according
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Abstract
The present invention discloses a cold pressed adhesive paper tape which comprises a paper substrate and an adhesive layer, wherein the adhesive layer is coated on the surface of the paper substrate. Adhesives comprise 100 portions (weight) of natural latex, 10 to 50 portions (weight) of monomer copolymers of vinyl acetate and (methyl) acrylic ester, 40 to 60 portions (weight) of soft water or distilled water and 0.1 to 1 portion (weight) of rubber anti-aging agents sold on markets, wherein the solid content of the natural latex is 60%, and the solid content of the monomer copolymers is 45%. The adhesive paper tape is mainly used for tape braiding when small electronic elements, such as film capacitors, resistors, etc., are produced, and the paper tape has appropriate adhesive strength and can avoid remaining on the electronic elements or can avoid polluting the adhesion of articles.
Description
Technical field
The present invention relates to a kind of pressurized adhesive paper tape.
Background technology
At present pressurized adhesive paper tape is mainly used in the braid when producing little electronic component such as film capacitor, resistance, when it makes glue layer to glue layer after by coating glue paste layer on powerful paper substrate, under certain pressure, produce self-adhesion, but this glue layer does not produce the extraordinary industrial paper of agglutinating to other materials (as paper, plastics, polyethylene, polyvinyl chloride, metal etc.).Modern industry requires adhesive tape not adhere to the electronical elements surface that will bundle, only by pressure bonding together at the glue paste layer of need bonding part, and the shortcoming of conventional adhesive tape to be glue paste can cling that electronic component causes peels off difficulty, have glue paste simultaneously and stay and on electronic component, pollute element or glue paste intensity causes base material to be torn excessively by force.
Summary of the invention
The object of the present invention is to provide a kind of cold-pressurized adhesive paper tape, this adhesive tape has suitable cohesive strength, can prevent glue paste residue on the electronic component or contaminated articles and article bonding.
Cold-pressurized adhesive paper tape provided by the invention, form by paper substrates and glue paste layer, described glue paste layer is coated on the surface of paper substrates, wherein the glue paste layer to the cohesive strength of paper substrates greater than 0.1kN/m, and glue paste to the cohesive force of base material much larger than self-adhesion, glue paste composed as follows:
(A) solid content is 60% natural rubber latex, and consumption is 100 weight parts;
(B) solid content is 45% vinyl acetate between to for plastic and methacrylate monomer multipolymer, and consumption is 10～50 weight parts;
(C) soft water or distilled water, consumption are 40～60 weight parts;
(D) commercially available rubber antioxidant, consumption are 0.1～1 weight part.
Paper substrates of the present invention adopts natural kraft, white kraft, powerful kraft paper, ribbed kraft paper or U.S. line kraft paper etc. that coloured or white, the transparent paper or the cardboard of certain intensity are arranged.The thickness of paper substrates reaches quantitatively without limits, yet in order to bond firmly, adopts 40～200g/m usually
2Paper wood, preferred 60～80g/m
2
Greater than 0.1kN/m, the self-adhesive intensity between the glue paste layer is not less than 0.32kN/m to the glue paste layer of adhesive tape of the present invention to the cohesive strength of paper substrates.Coating glue paste layer quantitatively can be 5～100g/m
2(solid content meter) is generally 8～29g/m
2(solid content meter).Glue paste of the present invention need under certain pressure (〉=0.1MPa) just produce self-adhesion, preferably under the pressure of 0.5MPa, produce the self-adhesion intensity of maximum.
Glue paste laminar surface of the present invention can cover with releasing sheet, and releasing sheet is made of the base material that has demoulding performance on the one side at least of sheet material, the one side with demolding performace of base material can be coated with or can not be coated with releasing agent.Releasing sheet can adopt the sheet material that surfaces such as paper, plastic paper and plastic film are nonpolar, certain surface intensity is arranged, and the thickness of sheet material, quantitatively there is no certain requirement, can arbitrarily select for use.
Because the glue paste layer is the water white transparency body, for this reason can be at any printing word or the pattern of paper substrates.
Can on the paper substrates back side laminated, form release coating in addition with respect to glue paste.Can use known releasing agent for the remover that is used for this release coating, as silicone oil or non-silicone oil mold release agent, preferred silicone oil release agent.Also can between paper substrates and glue paste layer, be coated with the bonding enhancement layer.
Can add dyestuff, pigment, filler etc. in the glue paste of adhesive tape of the present invention.Dyestuff can adopt each non-polar dyes, and filler can adopt various conventional weighting materials such as zinc oxide, titanium dioxide, silicon-dioxide, lime carbonate, barium sulfate and carbon black.
In sum, the glue paste of cold-pressurized adhesive paper tape of the present invention has suitable self-adhesion intensity, glue paste to the cohesive force of base material much larger than self-adhesion, therefore glue paste can not residue in and want the agglutinating article surface, and glue paste does not contain tackifier, finish and volatile organic solvent, the tool degradability is the environment-friendly type glue paste.
The present invention is further illustrated below by the drawings and the specific embodiments.
Description of drawings
Fig. 1 uses the method synoptic diagram of adhesive tape packaging electronic components of the present invention for expression.1 is paper substrates among the figure, and 2 is the glue paste layer, and 3 is electronic component.
Embodiment 1
At solid content is to add the commercially available rubber antioxidant of 0.1 weight part in 45% vinyl acetate between to for plastic and methacrylate monomer multipolymer 20 weight parts, the back adding solid content that stirs is 60% natural rubber latex 100 weight parts, add soft water or distilled water 40 weight parts again, be made into glue paste liquid.The glue paste liquid that is made into is coated on 60g/m
2The paper substrates surface on, the thickness of coating layer is with 8～29g/m
2(solid content meter) is good, and with mode whole or most of evaporations with the moisture content in the coating of heated drying, length, the width by customer requirements cuts into cold-pressurized adhesive paper tape more then.
At solid content is to add the commercially available rubber antioxidant of 0.2 weight part in 60% natural rubber latex 100 weight parts, the back adding solid content that stirs is 45% vinyl acetate between to for plastic and methacrylate monomer multipolymer 40 weight parts, add soft water or distilled water 50 weight parts again, be made into glue paste liquid.The glue paste liquid that is made into is coated on 70g/m
2The paper substrates surface on, the thickness of coating layer is with 8～29g/m
2(solid content meter) is good, and with mode whole or most of evaporations with the moisture content in the coating of heated drying, length, the width by customer requirements cuts into cold-pressurized adhesive paper tape more then.
At solid content is to add the commercially available rubber antioxidant of 1 weight part in 45% vinyl acetate between to for plastic and methacrylate monomer multipolymer 50 weight parts, the back adding solid content that stirs is 60% natural rubber latex 100 weight parts, add soft water or distilled water 60 weight parts again, be made into glue paste liquid.The glue paste liquid that is made into is coated on 80g/m
2The paper substrates surface on, the thickness of coating layer is with 8～29g/m
2(solid content meter) is good, and with mode whole or most of evaporations with the moisture content in the coating of heated drying, length, the width by customer requirements cuts into cold-pressurized adhesive paper tape more then.
The self-adhesion intensity of cold-pressurized adhesive paper tape of the present invention is carried out as follows:
The taking and handling of A1 sample
Should be undertaken by the regulation of GB/T450 and GB/T10739.
The mensuration of A2 cohesive strength
A2.1 vertically cuts 20 on the sample of 15mm * 250mm by the requirement of measuring paper tensile strength assay method.
A2.2 gets 2 paper slip alignment, glue and is flat on the iron plate in the face of the glue face, the irony connecting rod that with a floorage is 1mm * 40mm is pressed on paper slip in the oil press (the connecting rod bottom surface should be pressed in the center of sample and vertical with the long limit of sample), slowly add the pressure of 0.5MPa, hold and press recession in 5 seconds to remove pressure.With 2 paper slips along glue towards the impression place separately, at the doubling of impression place (noting not damaging the bonding part), the two ends of 1 paper slip and get up to be sandwiched in the folder of going up of puller system, in addition the two ends of 1 paper and get up after be sandwiched in the following folder of puller system, measure cohesive strength by the method BG/T453 that measures the paper tensile strength then.
A2.3 gets 10 groups of (20) samples and tests from every batch, with the arithmetical av of 10 data as a result of.
The technical indicator of cold-pressurized adhesive paper tape must meet table 1 regulation.
Table 1
| Index name | Unit | Regulation |
| Quantitatively | g/m 2 | 70±5，80±5，100±5 |
| Tensile strength (vertically) | kN/m | ≥4.2 |
| Cohesive strength (vertically) | kN/m | ≥0.32 |
| Moisture content | ％ | 3～8 |
Annotate: only just requiring to measure the moisture content value when measuring in mass according to the procurement contract regulation.
Claims (10)
1, a kind of cold-pressurized adhesive paper tape, form by paper substrates and glue paste layer, described glue paste layer is coated on the surface of paper substrates, wherein the glue paste layer to the cohesive strength of paper substrates greater than 0.1kN/m, and glue paste to the cohesive force of base material much larger than self-adhesion, glue paste composed as follows:
(A) solid content is 60% natural rubber latex, and consumption is 100 weight parts;
(B) solid content is 45% vinyl acetate between to for plastic and methacrylate monomer multipolymer, and consumption is 10～50 weight parts;
(C) soft water or distilled water, consumption are 40～60 weight parts;
(D) commercially available rubber antioxidant, consumption are 0.1～1 weight part.
2, cold-pressurized adhesive paper tape according to claim 1 is characterized in that: described paper substrates is natural kraft, white kraft, powerful kraft paper, ribbed kraft paper or U.S. line kraft paper.
3, cold-pressurized adhesive paper tape according to claim 2 is characterized in that: described paper substrates quantitatively be 40～200g/m
2
4, cold-pressurized adhesive paper tape according to claim 2 is characterized in that: described paper substrates quantitatively be 60～80g/m
2
5, cold-pressurized adhesive paper tape according to claim 1 is characterized in that: be added with dyestuff, pigment or filler in the described glue paste.
6, cold-pressurized adhesive paper tape according to claim 1 is characterized in that: the glue spread of described glue paste layer is 5～100g/m
2
7, cold-pressurized adhesive paper tape according to claim 1 is characterized in that: the glue spread of described glue paste layer is 8～29g/m
2
8, cold-pressurized adhesive paper tape according to claim 1 is characterized in that: the surface coverage of described glue paste layer has releasing sheet.
9, cold-pressurized adhesive paper tape according to claim 1 is characterized in that: described paper substrates is with respect to having release coating on the laminated back side of glue paste.
10, cold-pressurized adhesive paper tape according to claim 1 is characterized in that: be coated with the bonding enhancement layer between described paper substrates and the glue paste layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02135005 CN1255491C (en) | 2002-10-23 | 2002-10-23 | Cold-pressurized adhesive paper tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02135005 CN1255491C (en) | 2002-10-23 | 2002-10-23 | Cold-pressurized adhesive paper tape |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1403519A CN1403519A (en) | 2003-03-19 |
| CN1255491C true CN1255491C (en) | 2006-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02135005 Expired - Fee Related CN1255491C (en) | 2002-10-23 | 2002-10-23 | Cold-pressurized adhesive paper tape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1255491C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7235294B2 (en) * | 2004-02-17 | 2007-06-26 | Bostik, Inc. | Cohesive coating for snack food packaging |
| CN101225286B (en) * | 2008-01-31 | 2010-06-02 | 常州市塑料彩印有限公司 | Self-sticky cold-seal adhesive and preparation method thereof |
| CN101348695B (en) * | 2008-08-05 | 2013-07-10 | 广东省造纸研究所 | Improved cold press self-bonding gummed paper tape coating and preparation thereof |
| CN103255672B (en) * | 2013-05-31 | 2016-11-23 | 广东省造纸研究所 | A kind of used in electronic industry tearing tape paper and manufacture method thereof |
| CN107699150A (en) * | 2016-08-08 | 2018-02-16 | 惠州瑞德新材料科技股份有限公司 | A kind of environmentally friendly cold-pressed adhesive tape |
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2002
- 2002-10-23 CN CN 02135005 patent/CN1255491C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1403519A (en) | 2003-03-19 |
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