CN103044859A - Waterproof insulation epoxy resin composition, adhesive tape and preparation method thereof - Google Patents
Waterproof insulation epoxy resin composition, adhesive tape and preparation method thereof Download PDFInfo
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- CN103044859A CN103044859A CN2012105719727A CN201210571972A CN103044859A CN 103044859 A CN103044859 A CN 103044859A CN 2012105719727 A CN2012105719727 A CN 2012105719727A CN 201210571972 A CN201210571972 A CN 201210571972A CN 103044859 A CN103044859 A CN 103044859A
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Abstract
The invention discloses a waterproof insulation epoxy resin composition, an electrician insulation adhesive tape prepared by using the composition and a preparation method for the composition and the adhesive tape, wherein the composition comprises the following components in parts by weight: 25 to 35 parts of epoxy resin, 50 to 75 parts of modified epoxy resin, 1 to 5 parts of curing agent and 28 to 35 parts of inorganic fillers. The waterproof insulation epoxy resin composition has good flexibility, can be recovered after being cured at the high temperature, has high impact strength, stripping strength and stretch shearing strength, and has good low-temperature resistance and heat resistance; the flexibility of the composition is not influenced by the seasonal climate, so that the problem of excessively brittle in winter and excessively soft in summer in the existing products is solved; the preparation cost is low; and the finished product yield is high. The electrician insulation adhesive tape has the excellent performances of tightness, insulation, heat resistance, water prevention, high mechanical strength and good gloss, has excellent early bonding performance and restripping performance, has good bonding following characteristic, and can be widely applied in the coil winding protection and associated industries.
Description
Technical field
The present invention relates to a kind of insulative water-proof composition epoxy resin, use the electric insulation adhesive tape of said composition preparation and the preparation method of said composition and this adhesive tape.
Background technology
Resins, epoxy is since coming out, because it has good mechanical property, electric property, chemical proofing, adhesive property etc., and is widely used in the every field of the national economy such as industry, agricultural, traffic, military affairs.In field of compound material, exhibit one's skill to the full especially, it can be combined into the heterogeneous system solid material with strongtheners such as fiber and fabrics thereof, this solid material can be given full play to characteristics and the potential ability of each constituent materials, and by the rational Match of each component and synergy each other, present the new capability of the excellence that original single-material do not have, thereby reach the composite request to some performance of material.
In recent years, people have proposed higher performance requriements to Resins, epoxy, such as high tenacity, inner low stress, heat-resisting, moisture-proof etc., but existing epoxy resin cured product exists mostly shortcomings such as matter is crisp, thermotolerance is not high, the easy moisture absorption, can not meet the demands, limit to a certain extent its application.
The report that also has at present some to improve about Properties of Epoxy Resin.The functional polysiloxane modified epoxy especially contains the polyoxy alkane of epoxy group(ing), owing to the consistency of itself and Resins, epoxy better receives much concern, be the Chinese patent application of CN1747985A, CN1189847A, CN1932149A and CN1875071A such as publication number, but the epoxy group(ing) polysiloxane that uses is the low polymerization degree molecule mostly, still there are the bad problem of consistency in the epoxy silicon oil of high molecular and Resins, epoxy, even still have phenomenon of phase separation to occur after pre-reaction is solidified, cause system thermotolerance, mechanical property to descend.Publication number is the Chinese patent application of CN1796455A, relate to epoxidation silicon oil modified epoxy resin composite material, by epoxidation silicon oil and Resins, epoxy is compound, use again the solidifying agent curing molding, obtain epoxidation silicon oil modified epoxy resin composite material, can sharply descend but the epoxidation silicon oil addition increases to the performance of Resins, epoxy behind the certain proportion.
Resins, epoxy is applied to the electric insulation adhesive tape at present, and have following problem: existing product surface tack can not meet the demands, and early stage, difficulty hand-manipulated was large; Can't repair behind the product hot setting, yield rate is low; The snappiness of product is subjected to the seasonal temperature variable effect very large, the winter of cold product fragility larger, hot summer the product flexibility again too.
Summary of the invention
Technical problem to be solved by this invention is, for the deficiencies in the prior art, provides that a kind of snappiness is good, recoverable insulative water-proof composition epoxy resin behind the hot setting.
Another technical problem to be solved by this invention is for the deficiencies in the prior art, to provide the preparation method of above-mentioned insulative water-proof composition epoxy resin.
Another technical problem to be solved by this invention is for the deficiencies in the prior art, to provide a kind of electric insulation adhesive tape that uses above-mentioned insulative water-proof composition epoxy resin preparation.
Another technical problem to be solved by this invention is for the deficiencies in the prior art, to provide the preparation method of above-mentioned electric insulation adhesive tape.
The present invention solves the problems of the technologies described above the technical scheme that adopts: a kind of insulative water-proof composition epoxy resin, and its components by weight percent comprises:
Described modified epoxy is the affixture of elastomer-modified bisphenol A-type solid epoxy, and described elastomerics is carboxy terminated polybutadiene vinyl cyanide fluid rubber, and this elastomeric weight percent content is 30 ~ 45% in the described modified epoxy; Viscosity 〉=3000P during 25 ℃ of described modified epoxies; Described solidifying agent be stable below 25 ℃, more than 120 ℃ can with the latent curing agent of Resins, epoxy and modified epoxy generation crosslinking reaction.Utilize rubber modified epoxy resin can strengthen matrix resin and elastomeric consistency, can give insulative water-proof composition epoxy resin of the present invention good snappiness, greatly improve its shock strength, stripping strength and tensile shear strength and lower temperature resistance, can solve well the problem of composition epoxy resin snappiness in winter variation.
Preferably, described Resins, epoxy is the bisphenol A-type glycidyl ether based epoxy resin that normal temperature is in a liquid state, the viscosity≤240P in the time of its 25 ℃.The modified epoxy addition is more, the snappiness of insulative water-proof composition epoxy resin will be better, but the problem that also can bring thermotolerance to reduce simultaneously, so need to be in harmonious proportion with the bisphenol A-type glycidyl ether based epoxy resin that normal temperature is in a liquid state, because of its molecular weight smaller, can increase the cross-linking density of insulative water-proof composition epoxy resin cured article, improve the thermotolerance of composition epoxy resin of the present invention.
Preferably, described solidifying agent is imidazole curing agent.The imidazole curing agent activity is relatively gentle, and working life is long, and thermotolerance is high, can further improve the thermotolerance of insulative water-proof composition epoxy resin of the present invention.
Preferably, described mineral filler is one or more in aluminium hydroxide, magnesium hydroxide, zeolite, wollastonite, silicon-dioxide, magnesium oxide, Calucium Silicate powder, calcium carbonate, clay, talcum and the mica, and the particle diameter of described mineral filler is below 10 μ m.The effect of adding mineral filler is: the surface energy that can reduce composition epoxy resin, if the surface energy of composition epoxy resin is too high, can occur when coating on the release material shrinking, can't guarantee the homogeneity of adhesive tape, and can't realize the volume production of insulative water-proof adhesive tape; In addition, add mineral filler and can also reduce cost.
Preferably, described organic solvent is one or more in acetone, butanone, pimelinketone, ethylene glycol monomethyl ether, propylene glycol monomethyl ether, 1-Methoxy-2-propyl acetate and the ethyl acetate.
A kind of preparation method of above-mentioned insulative water-proof composition epoxy resin may further comprise the steps:
1) be ready to various raw materials according to components by weight percent, prepare simultaneously a certain amount of organic solvent, and the weight ratio of the gross weight of various raw materials and organic solvent is 1.8 ~ 2.2;
2) with solidifying agent with after the part organic solvent mixes, high-speed stirring 20 ~ 40 minutes obtains uniform mixture;
3) Resins, epoxy, modified epoxy and mineral filler are joined in the remaining organic solvent, high-speed stirring 1.5 ~ 2.5 hours, then add step 2) in the mixture that obtains, high-speed stirring is 1.0 ~ 2.0 hours again, obtains insulative water-proof composition epoxy resin glue.
Because solidifying agent is pressed powder, so if directly solidifying agent is mixed to join in the organic solvent simultaneously with other raw materials, reach same degree of uniformity, the churning time that expends is longer, and can't avoid the waste of edge section.So among the preparation method of insulative water-proof composition epoxy resin of the present invention, solidifying agent is mixed with the part organic solvent separately first, the glue with other raw materials and solvent composition mixes again.
A kind of electric insulation adhesive tape, this adhesive tape comprise the insulative water-proof composition epoxy resin layer that is bonded in respectively on the high strength flexible breathable material layer both side surface, with the acrylate pressure-sensitive adhesive layer that insulative water-proof composition epoxy resin layer is bonded together, be coated with the release material of protectiveness on the described acrylate pressure-sensitive adhesive layer; The grammes per square metre of described high strength flexible breathable material layer is 25 ~ 40g/m
2, the consumption of the described insulative water-proof composition epoxy resin of individual layer is 60 ± 5g/m
2, the consumption of acrylate pressure-sensitive adhesive is 10 ~ 18g/m
2Described insulative water-proof composition epoxy resin layer is comprised of the insulative water-proof composition epoxy resin, the components by weight percent of this insulative water-proof composition epoxy resin comprises: 25 ~ 35 parts of Resins, epoxy, 50 ~ 75 parts of modified epoxies, 1 ~ 5 part in solidifying agent, 28 ~ 35 parts of mineral fillers, described modified epoxy is the affixture of elastomer-modified bisphenol A-type solid epoxy, described elastomerics is carboxy terminated polybutadiene vinyl cyanide fluid rubber, and this elastomeric weight percent content is 30 ~ 45% in the described modified epoxy; Viscosity 〉=3000P during 25 ℃ of described modified epoxies; Described solidifying agent be stable below 25 ℃, more than 120 ℃ can with the latent curing agent of Resins, epoxy and modified epoxy generation crosslinking reaction.
Preferably, described high strength flexible gas permeable material is h, and it vertically draws Zhang Qiangdu 〉=2.5kg/15mm, and the longitudinal tensile strain rate is 10 ~ 20%.
Preferably, described acrylate pressure-sensitive adhesive is that molecular weight is the pressure sensitive adhesive of 80 ~ 1,000,000 high molecular, and it is to 304
#Stainless clinging power is 10.0 ± 2N/25mm.
A kind of preparation method of electric insulation adhesive tape may further comprise the steps:
1) is ready to contain the glue of insulative water-proof composition epoxy resin, the weight ratio of the weight of insulative water-proof composition epoxy resin and organic solvent is 1.8 ~ 2.2 in this glue, the components by weight percent of this insulative water-proof composition epoxy resin comprises: 25 ~ 35 parts of Resins, epoxy, 50 ~ 75 parts of modified epoxies, 1 ~ 5 part in solidifying agent, 28 ~ 35 parts of mineral fillers, described modified epoxy is the affixture of elastomer-modified bisphenol A-type solid epoxy, described elastomerics is carboxy terminated polybutadiene vinyl cyanide fluid rubber, and this elastomeric weight percent content is 30 ~ 45% in the described modified epoxy; Viscosity 〉=3000P during 25 ℃ of described modified epoxies; Described solidifying agent be stable below 25 ℃, more than 120 ℃ can with the latent curing agent of Resins, epoxy and modified epoxy generation crosslinking reaction; Described organic solvent is one or more in acetone, butanone, pimelinketone, ethylene glycol monomethyl ether, propylene glycol monomethyl ether, 1-Methoxy-2-propyl acetate and the ethyl acetate;
2) above-mentioned glue evenly is coated in a surface of the release material of the first protectiveness, advance oven for drying, form one deck insulative water-proof composition epoxy resin layer on a surface of the release material of the first protectiveness, then the exposed surface of this insulative water-proof composition epoxy resin layer and a surface of high strength flexible breathable material layer are fitted, rolling makes A;
3) above-mentioned glue evenly is coated in a surface of the release material of the second protectiveness, advance oven for drying, form one deck insulative water-proof composition epoxy resin layer on a surface of the release material of the second protectiveness, then under 65 ~ 85 ℃ of conditions, fitted in another surface of the exposed surface of this insulative water-proof composition epoxy resin layer and the high strength flexible breathable material layer on the A, rolling makes B;
4) acrylate pressure-sensitive adhesive evenly is coated in a surface of the release material of the 3rd protectiveness, advances oven for drying, form one deck acrylate pressure-sensitive adhesive layer on a surface of the release material of the 3rd protectiveness, rolling makes C;
5) peel the release material of the first protectiveness on the B off; make insulative water-proof composition epoxy resin layer expose another exposed surface; then another exposed surface of the exposed surface of the acrylate pressure-sensitive adhesive layer on the C and the insulative water-proof composition epoxy resin layer on the B is fitted; peel again the release material of the second protectiveness off; then batch, namely make the electric insulation adhesive tape.
Compared with prior art, the invention has the advantages that: the invention provides a kind of insulative water-proof composition epoxy resin, the snappiness of this insulative water-proof composition epoxy resin is good, can repair behind the hot setting, the while shock strength, stripping strength and tensile shear strength are high, lower temperature resistance and good heat resistance, its snappiness is not subjected to the impact of seasonal climate, it is larger to have solved existing product fragility in winter, flexibility in summer too problem again, and the preparation cost of this insulative water-proof composition epoxy resin is low, yield rate is high, among the preparation method solidifying agent is mixed with the part organic solvent separately first, glue with other raw materials and solvent composition mixes again, the good uniformity of the insulative water-proof composition epoxy resin that therefore obtains; Electric insulation adhesive tape of the present invention; both had the excellent properties such as the sealing of insulative water-proof composition epoxy resin, insulation, heat-resisting, waterproof, physical strength height and glossiness be good; good adhesive performance and the releasable energy of initial stage that has again acrylate pressure-sensitive adhesive; and owing to adopted h as base material; the applying followability is good; be particularly suitable for the applying of complex structure, especially curve form, latter end can not warp, and can be widely used in coil winding protection and the relevant industries.
Description of drawings
Fig. 1 is the structural representation of embodiment of the invention adhesive tape.
Embodiment
Embodiment is described in further detail the present invention below in conjunction with accompanying drawing.
The prescription of the insulative water-proof composition epoxy resin of embodiment 1 ~ 8 sees Table 1, respectively insulative water-proof composition epoxy resin and the electric insulation adhesive tape of Preparation Example 1 ~ 8.
1, the preparation of insulative water-proof composition epoxy resin:
1) components by weight percent according to table 1 is ready to various raw materials, prepares simultaneously a certain amount of organic solvent, and the weight ratio of the gross weight of various raw materials and organic solvent is 2;
2) with solidifying agent with after the part organic solvent mixes, high-speed stirring 30 minutes obtains uniform mixture;
3) Resins, epoxy, modified epoxy and mineral filler are joined in the remaining organic solvent, then high-speed stirring 2 hours adds step 2) in the mixture that obtains, high-speed stirring is 2 hours again, obtains insulative water-proof composition epoxy resin glue.
2, the preparation of electric insulation adhesive tape:
1) is ready to the insulative water-proof composition epoxy resin glue of above-mentioned preparation;
2) above-mentioned glue evenly is coated in a surface of the release material of the first protectiveness, advance oven for drying, form one deck insulative water-proof composition epoxy resin layer on a surface of the release material of the first protectiveness, then the exposed surface of this insulative water-proof composition epoxy resin layer and a surface of h layer are fitted, rolling makes A;
3) above-mentioned glue evenly is coated in a surface of the release material of the second protectiveness, advance oven for drying, form one deck insulative water-proof composition epoxy resin layer on a surface of the release material of the second protectiveness, then under 75 ℃ of conditions, fitted in another surface of the exposed surface of this insulative water-proof composition epoxy resin layer and the h layer on the A, rolling makes B;
4) acrylate pressure-sensitive adhesive evenly is coated in a surface of the release material of the 3rd protectiveness, advances oven for drying, form one deck acrylate pressure-sensitive adhesive layer on a surface of the release material of the 3rd protectiveness, rolling makes C;
5) peel the release material of the first protectiveness on the B off; make insulative water-proof composition epoxy resin layer expose another exposed surface; then another exposed surface of the exposed surface of the acrylate pressure-sensitive adhesive layer on the C and the insulative water-proof composition epoxy resin layer on the B is fitted; peel again the release material of the second protectiveness off; then batch, namely make the electric insulation adhesive tape.
The electric insulation adhesive tape of embodiment 1 ~ 8; its structural representation is as shown in Figure 1: this adhesive tape comprise the insulative water-proof composition epoxy resin layer b that be bonded in respectively on the h layer a both side surface, with the acrylate pressure-sensitive adhesive layer c that insulative water-proof composition epoxy resin layer b is bonded together, be coated with the release material d of protectiveness on the acrylate pressure-sensitive adhesive layer c.The performance of the electric insulation adhesive tape of the performance of the insulative water-proof composition epoxy resin of embodiment 1 ~ 8 and the preparation of use said composition etc. sees Table 1.
Prescription, performance and the tape performance of table 1 embodiment insulative water-proof composition epoxy resin
In the above specific embodiment, the marque that Resins, epoxy can be produced for South Asia (Kunshan) company limited is the product of NPEL-128S or NPEL-127, the main component of NPEL-128S is the bisphenol A-type glycidyl ether based epoxy resin that normal temperature is in a liquid state, its 25 ℃ of viscosity be 190-240P; The main component of NPEL-127 is the bisphenol A-type glycidyl ether based epoxy resin that normal temperature is in a liquid state, and its viscosity is 80-110P(25 ℃).
Modified epoxy can be (the specialty Chemicals of U.S. CVC company, lnc) marque of producing is the product of RK-84L or RA1340, the be hit by a bullet weight percent content of gonosome of RK-84L is 32%, and this elastomerics is solid-state, and the viscosity in the time of its 100 ℃ is 300-500P; The be hit by a bullet weight percent content of gonosome of RA1340 is 40%, the viscosity 3000-6000P in the time of its 25 ℃.
The marque that solidifying agent can be produced for the grand trade Co., Ltd of permanent benefit is the imidazole curing agent of 2MZ-A.
The high-molecular-weight propylene acid esters pressure sensitive adhesive that acrylate pressure-sensitive adhesive can be produced for Japanese Soken Chemical ﹠ Engineering Co., Ltd. is 10.0 ± 2N/25mm to the stainless clinging power of 304#, and molecular weight is 80 ~ 1,000,000.
Claims (10)
1. an insulative water-proof composition epoxy resin is characterized in that, its components by weight percent comprises:
25 ~ 35 parts of Resins, epoxy
50 ~ 75 parts of modified epoxies
1 ~ 5 part in solidifying agent
28 ~ 35 parts of mineral fillers
Described modified epoxy is the affixture of elastomer-modified bisphenol A-type solid epoxy, and described elastomerics is carboxy terminated polybutadiene vinyl cyanide fluid rubber, and this elastomeric weight percent content is 30 ~ 45% in the described modified epoxy; Viscosity 〉=3000P during 25 ℃ of described modified epoxies; Described solidifying agent be stable below 25 ℃, more than 120 ℃ can with the latent curing agent of Resins, epoxy and modified epoxy generation crosslinking reaction.
2. a kind of insulative water-proof composition epoxy resin according to claim 1, it is characterized in that: described Resins, epoxy is the bisphenol A-type glycidyl ether based epoxy resin that normal temperature is in a liquid state, the viscosity≤240P in the time of its 25 ℃.
3. a kind of insulative water-proof composition epoxy resin according to claim 1, it is characterized in that: described solidifying agent is imidazole curing agent.
4. a kind of insulative water-proof composition epoxy resin according to claim 1, it is characterized in that: described mineral filler is one or more in aluminium hydroxide, magnesium hydroxide, zeolite, wollastonite, silicon-dioxide, magnesium oxide, Calucium Silicate powder, calcium carbonate, clay, talcum and the mica, and the particle diameter of described mineral filler is below 10 μ m.
5. a kind of insulative water-proof composition epoxy resin according to claim 1, it is characterized in that: described organic solvent is one or more in acetone, butanone, pimelinketone, ethylene glycol monomethyl ether, propylene glycol monomethyl ether, 1-Methoxy-2-propyl acetate and the ethyl acetate.
6. the preparation method of an insulative water-proof composition epoxy resin claimed in claim 1 is characterized in that may further comprise the steps:
1) be ready to various raw materials according to components by weight percent, prepare simultaneously a certain amount of organic solvent, and the weight ratio of the gross weight of various raw materials and organic solvent is 1.8 ~ 2.2;
2) with solidifying agent with after the part organic solvent mixes, high-speed stirring 20 ~ 40 minutes obtains uniform mixture;
3) Resins, epoxy, modified epoxy and mineral filler are joined in the remaining organic solvent, high-speed stirring 1.5 ~ 2.5 hours, then add step 2) in the mixture that obtains, high-speed stirring is 1.0 ~ 2.0 hours again, obtains insulative water-proof composition epoxy resin glue.
7. electric insulation adhesive tape, it is characterized in that this adhesive tape comprise the insulative water-proof composition epoxy resin layer that is bonded in respectively on the high strength flexible breathable material layer both side surface, with the acrylate pressure-sensitive adhesive layer that insulative water-proof composition epoxy resin layer is bonded together, be coated with the release material of protectiveness on the described acrylate pressure-sensitive adhesive layer; The grammes per square metre of described high strength flexible breathable material layer is 25 ~ 40g/m
2, the consumption of the described insulative water-proof composition epoxy resin of individual layer is 60 ± 5g/m
2, the consumption of acrylate pressure-sensitive adhesive is 10 ~ 18g/m
2Described insulative water-proof composition epoxy resin layer is comprised of the insulative water-proof composition epoxy resin, the components by weight percent of this insulative water-proof composition epoxy resin comprises: 25 ~ 35 parts of Resins, epoxy, 50 ~ 75 parts of modified epoxies, 1 ~ 5 part in solidifying agent, 28 ~ 35 parts of mineral fillers, described modified epoxy is the affixture of elastomer-modified bisphenol A-type solid epoxy, described elastomerics is carboxy terminated polybutadiene vinyl cyanide fluid rubber, and this elastomeric weight percent content is 30 ~ 45% in the described modified epoxy; Viscosity 〉=3000P during 25 ℃ of described modified epoxies; Described solidifying agent be stable below 25 ℃, more than 120 ℃ can with the latent curing agent of Resins, epoxy and modified epoxy generation crosslinking reaction.
8. adhesive tape according to claim 7 is characterized in that described high strength flexible gas permeable material is h, and it vertically draws Zhang Qiangdu 〉=2.5 kg/15mm, and the longitudinal tensile strain rate is 10 ~ 20%.
9. adhesive tape according to claim 7 is characterized in that described acrylate pressure-sensitive adhesive is that molecular weight is the pressure sensitive adhesive of 80 ~ 1,000,000 high molecular, and it is to 304
#Stainless clinging power is 10.0 ± 2 N/25mm.
10. the preparation method of an electric insulation adhesive tape is characterized in that may further comprise the steps:
1) is ready to contain the glue of insulative water-proof composition epoxy resin, the weight ratio of the weight of insulative water-proof composition epoxy resin and organic solvent is 1.8 ~ 2.2 in this glue, the components by weight percent of this insulative water-proof composition epoxy resin comprises: 25 ~ 35 parts of Resins, epoxy, 50 ~ 75 parts of modified epoxies, 1 ~ 5 part in solidifying agent, 28 ~ 35 parts of mineral fillers, described modified epoxy is the affixture of elastomer-modified bisphenol A-type solid epoxy, described elastomerics is carboxy terminated polybutadiene vinyl cyanide fluid rubber, and this elastomeric weight percent content is 30 ~ 45% in the described modified epoxy; Viscosity 〉=3000P during 25 ℃ of described modified epoxies; Described solidifying agent be stable below 25 ℃, more than 120 ℃ can with the latent curing agent of Resins, epoxy and modified epoxy generation crosslinking reaction; Described organic solvent is one or more in acetone, butanone, pimelinketone, ethylene glycol monomethyl ether, propylene glycol monomethyl ether, 1-Methoxy-2-propyl acetate and the ethyl acetate;
2) above-mentioned glue evenly is coated in a surface of the release material of the first protectiveness, advance oven for drying, form one deck insulative water-proof composition epoxy resin layer on a surface of the release material of the first protectiveness, then the exposed surface of this insulative water-proof composition epoxy resin layer and a surface of high strength flexible breathable material layer are fitted, rolling makes A;
3) above-mentioned glue evenly is coated in a surface of the release material of the second protectiveness, advance oven for drying, form one deck insulative water-proof composition epoxy resin layer on a surface of the release material of the second protectiveness, then under 65 ~ 85 ℃ of conditions, fitted in another surface of the exposed surface of this insulative water-proof composition epoxy resin layer and the high strength flexible breathable material layer on the A, rolling makes B;
4) acrylate pressure-sensitive adhesive evenly is coated in a surface of the release material of the 3rd protectiveness, advances oven for drying, form one deck acrylate pressure-sensitive adhesive layer on a surface of the release material of the 3rd protectiveness, rolling makes C;
5) peel the release material of the first protectiveness on the B off; make insulative water-proof composition epoxy resin layer expose another exposed surface; then another exposed surface of the exposed surface of the acrylate pressure-sensitive adhesive layer on the C and the insulative water-proof composition epoxy resin layer on the B is fitted; peel again the release material of the second protectiveness off; then batch, namely make the electric insulation adhesive tape.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103602216A (en) * | 2013-11-19 | 2014-02-26 | 青岛广联达精密机械有限公司 | Indoor coating material |
| CN108172330A (en) * | 2017-12-20 | 2018-06-15 | 扬州市金鑫电缆有限公司 | A kind of direction waterproof cable |
| CN109219629A (en) * | 2016-06-20 | 2019-01-15 | Sika技术股份公司 | It can be used as the thermosetting epoxy resin composition of structural reinforcement or structural foam |
| CN109280531A (en) * | 2018-08-30 | 2019-01-29 | 宁波吉象塑胶科技股份有限公司 | Low noise adhesive tape |
| CN111937093A (en) * | 2018-03-30 | 2020-11-13 | 株式会社自动网络技术研究所 | Waterproof structure of electric wire |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102174244A (en) * | 2011-02-11 | 2011-09-07 | 宁波大榭开发区综研化学有限公司 | Insulating water-proof epoxy resin composition, adhesive tape and preparation methods thereof |
| WO2012120997A1 (en) * | 2011-03-09 | 2012-09-13 | 日東電工株式会社 | Double-coated adhesive tape |
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2012
- 2012-12-25 CN CN2012105719727A patent/CN103044859A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102174244A (en) * | 2011-02-11 | 2011-09-07 | 宁波大榭开发区综研化学有限公司 | Insulating water-proof epoxy resin composition, adhesive tape and preparation methods thereof |
| WO2012120997A1 (en) * | 2011-03-09 | 2012-09-13 | 日東電工株式会社 | Double-coated adhesive tape |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103602216A (en) * | 2013-11-19 | 2014-02-26 | 青岛广联达精密机械有限公司 | Indoor coating material |
| CN109219629A (en) * | 2016-06-20 | 2019-01-15 | Sika技术股份公司 | It can be used as the thermosetting epoxy resin composition of structural reinforcement or structural foam |
| CN109219629B (en) * | 2016-06-20 | 2021-08-27 | Sika技术股份公司 | Thermosetting epoxy resin compositions useful as structural reinforcements or structural foams |
| CN108172330A (en) * | 2017-12-20 | 2018-06-15 | 扬州市金鑫电缆有限公司 | A kind of direction waterproof cable |
| CN111937093A (en) * | 2018-03-30 | 2020-11-13 | 株式会社自动网络技术研究所 | Waterproof structure of electric wire |
| CN111937093B (en) * | 2018-03-30 | 2022-03-01 | 株式会社自动网络技术研究所 | Waterproof structure of electric wire |
| CN109280531A (en) * | 2018-08-30 | 2019-01-29 | 宁波吉象塑胶科技股份有限公司 | Low noise adhesive tape |
| CN109280531B (en) * | 2018-08-30 | 2021-04-06 | 宁波吉象塑胶科技股份有限公司 | Low-noise adhesive tape |
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Application publication date: 20130417 |