CN103320036A - Biodegradable double-sided adhesive tape - Google Patents
Biodegradable double-sided adhesive tape Download PDFInfo
- Publication number
- CN103320036A CN103320036A CN 201310237306 CN201310237306A CN103320036A CN 103320036 A CN103320036 A CN 103320036A CN 201310237306 CN201310237306 CN 201310237306 CN 201310237306 A CN201310237306 A CN 201310237306A CN 103320036 A CN103320036 A CN 103320036A
- Authority
- CN
- China
- Prior art keywords
- biodegradable
- sticky tape
- double sticky
- substrate layer
- adhesive tape
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002390 adhesive tape Substances 0.000 title abstract description 7
- 239000010410 layer Substances 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 14
- 239000012790 adhesive layer Substances 0.000 claims abstract description 11
- 229920000728 polyester Polymers 0.000 claims abstract description 6
- 231100000252 nontoxic Toxicity 0.000 claims abstract description 5
- 230000003000 nontoxic effect Effects 0.000 claims abstract description 5
- 229920002545 silicone oil Polymers 0.000 claims abstract description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 24
- 239000000758 substrate Substances 0.000 claims description 17
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 claims description 14
- ZFOZVQLOBQUTQQ-UHFFFAOYSA-N Tributyl citrate Chemical compound CCCCOC(=O)CC(O)(C(=O)OCCCC)CC(=O)OCCCC ZFOZVQLOBQUTQQ-UHFFFAOYSA-N 0.000 claims description 14
- -1 poly(lactic acid) Polymers 0.000 claims description 14
- 238000004513 sizing Methods 0.000 claims description 14
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 8
- MEIRRNXMZYDVDW-MQQKCMAXSA-N (2E,4E)-2,4-hexadien-1-ol Chemical compound C\C=C\C=C\CO MEIRRNXMZYDVDW-MQQKCMAXSA-N 0.000 claims description 7
- 229940075507 glyceryl monostearate Drugs 0.000 claims description 7
- 239000001788 mono and diglycerides of fatty acids Substances 0.000 claims description 7
- 239000005014 poly(hydroxyalkanoate) Substances 0.000 claims description 7
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 7
- 229920000903 polyhydroxyalkanoate Polymers 0.000 claims description 7
- 229920002472 Starch Polymers 0.000 claims description 6
- 235000019698 starch Nutrition 0.000 claims description 6
- 239000008107 starch Substances 0.000 claims description 6
- 239000000470 constituent Substances 0.000 claims description 5
- 239000001384 succinic acid Substances 0.000 claims description 5
- 238000011109 contamination Methods 0.000 claims description 4
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 claims description 3
- 239000000123 paper Substances 0.000 abstract description 15
- 230000007613 environmental effect Effects 0.000 abstract description 7
- 239000000853 adhesive Substances 0.000 abstract 2
- 230000001070 adhesive effect Effects 0.000 abstract 2
- 239000011086 glassine Substances 0.000 abstract 1
- 230000002459 sustained effect Effects 0.000 abstract 1
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 5
- 239000003292 glue Substances 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N glycerol group Chemical group OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- UXFQFBNBSPQBJW-UHFFFAOYSA-N 2-amino-2-methylpropane-1,3-diol Chemical compound OCC(N)(C)CO UXFQFBNBSPQBJW-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 2
- 235000011089 carbon dioxide Nutrition 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 229920001634 Copolyester Polymers 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000282412 Homo Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 239000004902 Softening Agent Substances 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- JYYOBHFYCIDXHH-UHFFFAOYSA-N carbonic acid;hydrate Chemical compound O.OC(O)=O JYYOBHFYCIDXHH-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000007688 edging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 229920000052 poly(p-xylylene) Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a biodegradable double-sided adhesive tape. The double-sided adhesive tape comprises a base material layer, an adhesive layer and release paper, wherein the adhesive layer is positioned between the base material layer and the release paper, the release paper adopts glassine paper coated with silicone oil, the base material layer is a non-toxic and pollution-free mixed material layer, and the adhesive is a biodegradable quaternary random co-polyester adhesive. The invention discloses the biodegradable double-sided adhesive tape. The double-sided adhesive tape has the advantages of reasonable material selection, environmental friendliness and safety, can not only meet the requirements of initial adherence, sustained adherence and stripping strength, but also realize excellent biodegradable property, and further has great application prospects in the aspects of stickers, stationery, office supplies and the like.
Description
Technical field
The present invention relates to a kind of double sticky tape, relate in particular to a kind of biodegradable double sticky tape, belong to the tape technology field.
Background technology
Double sticky tape is take paper, cloth, plastics film as base material, again elastomeric-type pressure sensitive adhesive or resin pressure sensitive adhesive is uniformly coated on the web-like sealing tape of making on the above-mentioned base material, generally is comprised of base material, tackiness agent, separate-type paper three parts.Double sticky tape is widely used, and can be used for that leather, paster, stationery, office, electronics, automobile edging are fixed, footwear industry, handicraft paste the aspects such as location.
Society, along with the enhancing of human environmental consciousness, the research and development of environment-friendly type double sticky tape are subject to the attention of height gradually.At present, there is more serious environmental issue in the double sticky tape that is applied to the aspects such as paster, stationery, office, because the double sticky tape adhesive tape of these industries is in great demand, many producers are for Cost reduction, increase profit, a large amount of low price, chemical feedstockss poisonous, easy residual contamination of adopting prepare double sticky tape, and environmental and human health impacts has been produced larger harm; Tackiness agent as the double sticky tape core is the emphasis that people develop, develop always, and at present, the biodegradable sizing agent of a kind of environment-friendly type can be degraded to carbonic acid gas and water because of it under the effect of microorganism, therefore gain great popularity.Present stage, domestic exploitation for biodegradable double sticky tape is started late, and develops also lessly, seldom sees especially the product of comparative maturity on the market and releases.
Summary of the invention
For the demand, the invention provides a kind of biodegradable double sticky tape, this double sticky tape selection is reasonable, Environmental Safety, not only satisfy original viscosity, hold the requirement of stickiness and stripping strength, and possess outstanding biodegradable performance, have good application prospect at aspects such as paster, stationery, offices.
A kind of biodegradable double sticky tape, described double sticky tape comprises substrate layer, adhesive layer and separate-type paper, described adhesive layer is between substrate layer and separate-type paper, described separate-type paper adopts the Ge Laxin paper of coating silicone oil, described substrate layer is nontoxic, free of contamination mixed material layer, and described sizing agent is biodegradable quaternary atactic polyester sizing agent.
In a preferred embodiment of the present invention, described substrate layer is mixed by polyhydroxyalkanoate, poly(lactic acid), starch, tributyl citrate, sorbyl alcohol, glyceryl monostearate, and its thickness is 0.3～0.5mm.
In a preferred embodiment of the present invention, the constituent mass proportioning that described substrate layer comprises is: polyhydroxyalkanoate 25%, poly(lactic acid) 50%, starch 22%, tributyl citrate 1.5%, sorbyl alcohol 0.3%, glyceryl monostearate 1.2%.
In a preferred embodiment of the present invention, described sizing agent is polymerized by Succinic Acid, hexanodioic acid, 1,3-PD, BDO, catalyzer, linking agent.
In a preferred embodiment of the present invention, the constituent mass proportioning that described sizing agent comprises is: Succinic Acid 23.5%, hexanodioic acid 23.5%, 1,3-PD 25.85%, BDO 25.85%, catalyzer 0.7%, linking agent 0.6%.
The present invention has disclosed a kind of biodegradable double sticky tape, this double sticky tape selection is reasonable, and Environmental Safety not only satisfies original viscosity, holds the requirement of stickiness and stripping strength, and possess outstanding biodegradable performance, have good application prospect at aspects such as paster, stationery, offices.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments:
Fig. 1 is the sectional view of the biodegradable double sticky tape of the embodiment of the invention;
The mark of each parts is as follows in the accompanying drawing: 1, substrate layer, 2, adhesive layer, 3, separate-type paper.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that protection scope of the present invention is made more explicit defining.
Fig. 1 is the sectional view of the biodegradable double sticky tape of the embodiment of the invention; This double sticky tape comprises substrate layer 1, adhesive layer 2 and separate-type paper 3, described adhesive layer 2 is between substrate layer 1 and separate-type paper 3, described separate-type paper 3 adopts the Ge Laxin paper of coating silicone oil, described substrate layer 1 is nontoxic, free of contamination mixed material layer, and described sizing agent is biodegradable quaternary atactic polyester sizing agent.
Substrate layer 1 thickness of the biodegradable double sticky tape of mentioning among the present invention is 0.3～0.5mm, and this substrate layer is mixed by polyhydroxyalkanoate, poly(lactic acid), starch, tributyl citrate, sorbyl alcohol, glyceryl monostearate; When this substrate layer prepares, first with 25% polyhydroxyalkanoate, 50% poly(lactic acid), 22% starch pre-mixing 1～2min in high speed disintegrator, then add 1.5% tributyl citrate, 0.3% sorbyl alcohol, 1.2% glyceryl monostearate, continue to mix 2～4min, at last mixing material is passed through the forcing machine extrusion sheet; Wherein, polyhydroxyalkanoate is a kind of natural polymeric biomaterial, has the hot workability of good physiologically acceptable performance, biodegradability and plastics; Poly(lactic acid) is a kind of pollution-free, biodegradable Green Polymer Material, and it is not only easy to process, Heat stability is good, good biocompatibility, and glossiness, the transparency, feel and good heat resistance; Tributyl citrate is preferably softening agent of a kind of plasticising usefulness, and it is nonpoisonous and tasteless, and is heat-resisting fast light water-fast, has preferably germ resistance, flame retardant resistance and degradability; Sorbyl alcohol is a kind of nucleator of nontoxic, acidproof, good heat resistance; Glyceryl monostearate is a kind of nonionic surface active agent, can be used as lubricant.
The adhesive layer 2 of the biodegradable double sticky tape among the present invention is by Succinic Acid, hexanodioic acid, 1, ammediol, 1,4-butyleneglycol, catalyzer, linking agent are polymerized, its each constituent mass proportioning is: Succinic Acid 23.5%, hexanodioic acid 23.5%, 1, ammediol 25.85%, BDO 25.85%, catalyzer 0.7%, linking agent 0.6%; Wherein, Succinic Acid is present in the Succinic Acid tissue of amber, various plants and humans and animals, is in vivo metabolic intermediate of carbohydrate; Hexanodioic acid is a kind of important organic dibasic acid; 1,3-PD and BDO are used for organic synthesis as solvent; Catalyzer is C-94, and linking agent is glycerol; When this adhesive layer prepares, make quaternary atactic polyester prepolymer through the temperature reaction under the differing temps first, then by add linking agent, add catalyzer, vacuumize, temperature reaction, drying and processing makes quaternary atactic polyester sizing agent; After the sizing agent of this double sticky tape is made, be uniformly coated at twice on the mixing material base material 1, glue spread is 40g/m
2, then adhesive tape is put into the lower oven dry of 120 ℃ in hot-blast loft drier 15 min, make glue-coated plane materiel, at last with glue-coated plane materiel and separate-type paper 3 by the pressing of rubber rollers and cylinder, namely get biodegradable double sticky tape.The double sticky tape process original viscosity that makes, the test of holding stickiness and stripping strength, its just viscous force, hold viscous force and stripping strength all meets industry standard, especially the biodegradability of copolyesters sizing agent is excellent, the carbonic acid gas and the water that produce after the degraded can to environment, be not a kind of ideal environment-friendly type double sticky tapes.
The present invention has disclosed a kind of biodegradable double sticky tape, this double sticky tape selection is reasonable, and Environmental Safety not only satisfies original viscosity, holds the requirement of stickiness and stripping strength, and possess outstanding biodegradable performance, have good application prospect at aspects such as paster, stationery, offices.
The above; it only is the specific embodiment of the present invention; but protection scope of the present invention is not limited to this; any those of ordinary skill in the art are in the disclosed technical scope of the present invention; variation or the replacement that can expect without creative work all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (5)
1. biodegradable double sticky tape, it is characterized in that, described double sticky tape comprises substrate layer, adhesive layer and separate-type paper, described adhesive layer is between substrate layer and separate-type paper, described separate-type paper adopts the Ge Laxin paper of coating silicone oil, described substrate layer is nontoxic, free of contamination mixed material layer, and described sizing agent is biodegradable quaternary atactic polyester sizing agent.
2. biodegradable double sticky tape according to claim 1, it is characterized in that, described substrate layer is mixed by polyhydroxyalkanoate, poly(lactic acid), starch, tributyl citrate, sorbyl alcohol, glyceryl monostearate, and its thickness is 0.3～0.5mm.
3. biodegradable double sticky tape according to claim 1 is characterized in that, the constituent mass proportioning that described substrate layer comprises is: polyhydroxyalkanoate 25%, poly(lactic acid) 50%, starch 22%, tributyl citrate 1.5%, sorbyl alcohol 0.3%, glyceryl monostearate 1.2%.
4. biodegradable double sticky tape according to claim 1 is characterized in that, described sizing agent is polymerized by Succinic Acid, hexanodioic acid, 1,3-PD, BDO, catalyzer, linking agent.
5. biodegradable double sticky tape according to claim 1, it is characterized in that, the constituent mass proportioning that described sizing agent comprises is: Succinic Acid 23.5%, hexanodioic acid 23.5%, 1,3-PD 25.85%, BDO 25.85%, catalyzer 0.7%, linking agent 0.6%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310237306 CN103320036A (en) | 2013-06-17 | 2013-06-17 | Biodegradable double-sided adhesive tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310237306 CN103320036A (en) | 2013-06-17 | 2013-06-17 | Biodegradable double-sided adhesive tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103320036A true CN103320036A (en) | 2013-09-25 |
Family
ID=49189090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201310237306 Pending CN103320036A (en) | 2013-06-17 | 2013-06-17 | Biodegradable double-sided adhesive tape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103320036A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103555216A (en) * | 2013-10-28 | 2014-02-05 | 中国印刷科学技术研究所 | Completely biodegradable pre-coated film |
| CN103754486A (en) * | 2014-01-24 | 2014-04-30 | 常熟市明瑞包装材料厂 | Biodegradable packing belt |
| CN106833449A (en) * | 2017-02-13 | 2017-06-13 | 深圳市壹零壹工业设计有限公司 | A kind of biodegradable polydactyl acid adhesive tape and preparation method thereof |
| CN106957615A (en) * | 2017-04-01 | 2017-07-18 | 江苏澳盛复合材料科技有限公司 | A kind of foamed board and its production and use |
| CN107523253A (en) * | 2016-06-17 | 2017-12-29 | 德莎欧洲股份公司 | Biodegradable pressure-sensitive adhesive |
| CN109021853A (en) * | 2018-06-26 | 2018-12-18 | 南京苏新印务有限公司 | A kind of production technology of the adhesive label for upper machine Blood culture bottle |
| CN109468105A (en) * | 2018-10-01 | 2019-03-15 | 深圳日高胶带新材料有限公司 | A kind of biodegradable pressure sensitive adhesive and preparation method thereof |
| CN109679518A (en) * | 2018-12-27 | 2019-04-26 | 绍兴明基新材料有限公司 | Plant base easy tear tape and preparation method thereof |
| CN109679519A (en) * | 2018-12-27 | 2019-04-26 | 绍兴明基新材料有限公司 | Degradable adhesive tape of plant base and preparation method thereof |
| CN109722201A (en) * | 2018-12-26 | 2019-05-07 | 深圳日高胶带新材料有限公司 | A kind of polyester pressure sensitive adhesive that can be biodegradable and its application |
| CN112029425A (en) * | 2020-09-30 | 2020-12-04 | 江苏晶华新材料科技有限公司 | Degradable double-sided adhesive tape |
| CN113150351A (en) * | 2021-04-09 | 2021-07-23 | 扬州万润光电科技有限公司 | Polyester release film for optical film and preparation method thereof |
| CN113831855A (en) * | 2021-09-26 | 2021-12-24 | 保定乐凯新材料股份有限公司 | Preparation method and application of heat transfer type magnetic stripe suitable for low-temperature magnetic mounting of PLA (polylactic acid) substrate |
-
2013
- 2013-06-17 CN CN 201310237306 patent/CN103320036A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103555216A (en) * | 2013-10-28 | 2014-02-05 | 中国印刷科学技术研究所 | Completely biodegradable pre-coated film |
| CN103754486A (en) * | 2014-01-24 | 2014-04-30 | 常熟市明瑞包装材料厂 | Biodegradable packing belt |
| CN103754486B (en) * | 2014-01-24 | 2016-05-11 | 苏州道众机械制造有限公司 | The biodegradable strap of a kind of energy |
| CN107523253A (en) * | 2016-06-17 | 2017-12-29 | 德莎欧洲股份公司 | Biodegradable pressure-sensitive adhesive |
| CN106833449A (en) * | 2017-02-13 | 2017-06-13 | 深圳市壹零壹工业设计有限公司 | A kind of biodegradable polydactyl acid adhesive tape and preparation method thereof |
| CN106957615A (en) * | 2017-04-01 | 2017-07-18 | 江苏澳盛复合材料科技有限公司 | A kind of foamed board and its production and use |
| CN106957615B (en) * | 2017-04-01 | 2020-07-14 | 江苏澳盛复合材料科技有限公司 | Foaming board and preparation method and application thereof |
| CN109021853A (en) * | 2018-06-26 | 2018-12-18 | 南京苏新印务有限公司 | A kind of production technology of the adhesive label for upper machine Blood culture bottle |
| CN109468105A (en) * | 2018-10-01 | 2019-03-15 | 深圳日高胶带新材料有限公司 | A kind of biodegradable pressure sensitive adhesive and preparation method thereof |
| CN109722201A (en) * | 2018-12-26 | 2019-05-07 | 深圳日高胶带新材料有限公司 | A kind of polyester pressure sensitive adhesive that can be biodegradable and its application |
| CN109679518A (en) * | 2018-12-27 | 2019-04-26 | 绍兴明基新材料有限公司 | Plant base easy tear tape and preparation method thereof |
| CN109679519A (en) * | 2018-12-27 | 2019-04-26 | 绍兴明基新材料有限公司 | Degradable adhesive tape of plant base and preparation method thereof |
| CN112029425A (en) * | 2020-09-30 | 2020-12-04 | 江苏晶华新材料科技有限公司 | Degradable double-sided adhesive tape |
| CN113150351A (en) * | 2021-04-09 | 2021-07-23 | 扬州万润光电科技有限公司 | Polyester release film for optical film and preparation method thereof |
| CN113831855A (en) * | 2021-09-26 | 2021-12-24 | 保定乐凯新材料股份有限公司 | Preparation method and application of heat transfer type magnetic stripe suitable for low-temperature magnetic mounting of PLA (polylactic acid) substrate |
| CN113831855B (en) * | 2021-09-26 | 2023-03-10 | 保定乐凯新材料股份有限公司 | Preparation method and application of heat transfer type magnetic stripe suitable for low-temperature magnetic lamination of PLA (polylactic acid) substrate |
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| C06 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20130925 |