CN102153962A - Method for manufacturing environment-friendly pressure sensitive adhesive material - Google Patents
Method for manufacturing environment-friendly pressure sensitive adhesive material Download PDFInfo
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- CN102153962A CN102153962A CN201110026410XA CN201110026410A CN102153962A CN 102153962 A CN102153962 A CN 102153962A CN 201110026410X A CN201110026410X A CN 201110026410XA CN 201110026410 A CN201110026410 A CN 201110026410A CN 102153962 A CN102153962 A CN 102153962A
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- pressure sensitive
- sensitive adhesive
- solvent
- base material
- coated
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- 239000004820 Pressure-sensitive adhesive Substances 0.000 title claims abstract description 120
- 239000000463 material Substances 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 title abstract description 4
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 46
- 239000002904 solvent Substances 0.000 claims abstract description 45
- 238000000576 coating method Methods 0.000 claims abstract description 23
- 239000011248 coating agent Substances 0.000 claims abstract description 22
- 238000005096 rolling process Methods 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims description 61
- 229920000058 polyacrylate Polymers 0.000 claims description 50
- 229920001971 elastomer Polymers 0.000 claims description 27
- 239000005060 rubber Substances 0.000 claims description 27
- 239000010408 film Substances 0.000 claims description 11
- 238000001125 extrusion Methods 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 6
- NHXVNEDMKGDNPR-UHFFFAOYSA-N zinc;pentane-2,4-dione Chemical compound [Zn+2].CC(=O)[CH-]C(C)=O.CC(=O)[CH-]C(C)=O NHXVNEDMKGDNPR-UHFFFAOYSA-N 0.000 claims description 6
- KILURZWTCGSYRE-LNTINUHCSA-K (z)-4-bis[[(z)-4-oxopent-2-en-2-yl]oxy]alumanyloxypent-3-en-2-one Chemical compound CC(=O)\C=C(\C)O[Al](O\C(C)=C/C(C)=O)O\C(C)=C/C(C)=O KILURZWTCGSYRE-LNTINUHCSA-K 0.000 claims description 5
- 239000005057 Hexamethylene diisocyanate Substances 0.000 claims description 5
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims description 5
- 239000005058 Isophorone diisocyanate Substances 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 claims description 4
- 239000011152 fibreglass Substances 0.000 claims description 4
- 239000012948 isocyanate Substances 0.000 claims description 4
- 150000002513 isocyanates Chemical group 0.000 claims description 4
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000004745 nonwoven fabric Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 4
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 238000000935 solvent evaporation Methods 0.000 claims description 4
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical group CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 claims description 3
- -1 polyethylene terephthalate Polymers 0.000 claims description 3
- HYZQBNDRDQEWAN-LNTINUHCSA-N (z)-4-hydroxypent-3-en-2-one;manganese(3+) Chemical compound [Mn+3].C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O HYZQBNDRDQEWAN-LNTINUHCSA-N 0.000 claims description 2
- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 claims description 2
- FXQDQTORNJZOLV-UHFFFAOYSA-N [Cd].C(C)C(=O)C(=O)C Chemical compound [Cd].C(C)C(=O)C(=O)C FXQDQTORNJZOLV-UHFFFAOYSA-N 0.000 claims description 2
- XEHUIDSUOAGHBW-UHFFFAOYSA-N chromium;pentane-2,4-dione Chemical compound [Cr].CC(=O)CC(C)=O.CC(=O)CC(C)=O.CC(=O)CC(C)=O XEHUIDSUOAGHBW-UHFFFAOYSA-N 0.000 claims description 2
- SZKXDURZBIICCF-UHFFFAOYSA-N cobalt;pentane-2,4-dione Chemical compound [Co].CC(=O)CC(C)=O SZKXDURZBIICCF-UHFFFAOYSA-N 0.000 claims description 2
- QNZRVYCYEMYQMD-UHFFFAOYSA-N copper;pentane-2,4-dione Chemical compound [Cu].CC(=O)CC(C)=O QNZRVYCYEMYQMD-UHFFFAOYSA-N 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- AHBPBADERZDJKT-UHFFFAOYSA-N pentane-2,3-dione zirconium Chemical compound [Zr].C(C)C(=O)C(=O)C AHBPBADERZDJKT-UHFFFAOYSA-N 0.000 claims description 2
- 239000010409 thin film Substances 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 abstract description 17
- 230000008020 evaporation Effects 0.000 abstract description 17
- 238000002156 mixing Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 72
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 51
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 11
- 239000000178 monomer Substances 0.000 description 11
- 239000003999 initiator Substances 0.000 description 10
- 239000004342 Benzoyl peroxide Substances 0.000 description 9
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 9
- 235000019400 benzoyl peroxide Nutrition 0.000 description 9
- 239000007788 liquid Substances 0.000 description 9
- 238000010992 reflux Methods 0.000 description 9
- 238000009833 condensation Methods 0.000 description 8
- 230000005494 condensation Effects 0.000 description 8
- 239000002994 raw material Substances 0.000 description 8
- 238000006116 polymerization reaction Methods 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 6
- 229920003052 natural elastomer Polymers 0.000 description 6
- 229920001194 natural rubber Polymers 0.000 description 6
- 239000003960 organic solvent Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 5
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 5
- 239000002390 adhesive tape Substances 0.000 description 5
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 229920003048 styrene butadiene rubber Polymers 0.000 description 5
- 238000010792 warming Methods 0.000 description 5
- 244000043261 Hevea brasiliensis Species 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 description 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 229920001084 poly(chloroprene) Polymers 0.000 description 3
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 2
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 description 2
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- YQHLDYVWEZKEOX-UHFFFAOYSA-N cumene hydroperoxide Chemical compound OOC(C)(C)C1=CC=CC=C1 YQHLDYVWEZKEOX-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- VVWRJUBEIPHGQF-UHFFFAOYSA-N propan-2-yl n-propan-2-yloxycarbonyliminocarbamate Chemical compound CC(C)OC(=O)N=NC(=O)OC(C)C VVWRJUBEIPHGQF-UHFFFAOYSA-N 0.000 description 2
- 229920003987 resole Polymers 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 2
- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical group CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 239000004902 Softening Agent Substances 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Substances CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000012986 chain transfer agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- FSEUPUDHEBLWJY-HWKANZROSA-N diacetylmonoxime Chemical compound CC(=O)C(\C)=N\O FSEUPUDHEBLWJY-HWKANZROSA-N 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical compound CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
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- 239000012467 final product Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 230000000176 photostabilization Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000010074 rubber mixing Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
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- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
Abstract
The invention discloses a method for manufacturing an environment-friendly pressure sensitive adhesive material. The method mainly comprises the following steps of: 1, in a closed environment, heating solvent type pressure sensitive adhesive to the temperature of between 60 and 200 DEG C so that the solvent contained in the solvent type pressure sensitive adhesive is evaporated and 50 to 99.9 mass percent of pressure sensitive adhesive is obtained; 2, adding a curing agent into the pressure sensitive adhesive obtained in the step 1, and mixing the curing agent and the pressure sensitive adhesive uniformly by using a vibrating bar or a screw extruder; 3, coating; and 4, rolling. The evaporation time of the solvent during coating the pressure sensitive adhesive can be reduced, so that the coating production efficiency is greatly improved.
Description
Technical field
The present invention relates to a kind of making method of environment friendly pressure sensitive material, belong to the adhesive material preparing technical field.
Background technology
Pressure-sensitive adhesive material is the widely used material of a class; it is the general name that is coated in products such as the adhesive tape that makes on base material such as label paper, the film, double sticky tape, protective membrane, label by pressure sensitive adhesive; pressure sensitive adhesive wherein (pressure sensitive adhesive) is the abbreviation of pressure-sensitive adhesive, is a class has susceptibility to pressure tackiness agent.Pressure sensitive adhesive can be divided into rubber-type and resin type two classes according to the matrix resin composition, and rubber-type can be divided into natural rubber and synthetic rubber class again, and resin type mainly comprises polyacrylate(s), silicone based and polyurethanes again.According to the difference of dispersion medium, be divided into water-based and solvent-borne type pressure sensitive adhesive.Water-borne pressure sensitive adhesive is to react with the medium of water as reaction, promptly gets the pressure sensitive adhesive goods after the coating oven dry.Because water-borne pressure sensitive adhesive adopts water as solvent, so it is cheap, throughput rate is very fast, but its tackiness agent performance is not high.Solvent-borne type pressure sensitive adhesive toluene, organic solvents such as ethyl acetate react as the medium of reaction, and in solvent-borne type pressure sensitive adhesive finished product, organic solvent accounts for 60～75% of gross weight, and tackiness agent accounts for 25～40% of gross weight.
The technology maturation of solvent-borne type pressure sensitive adhesive has good pressure-sensitive and cohesiveness, again because advantages such as ageing resistance, photostabilization, water tolerance, oil-proofness, so almost not through the time change the problem that causes that pressure-sensitive descends, and peelable performance is good.At present, the solvent-borne type pressure sensitive adhesive is owing to environmental issue causes progressively dwindling of use range, its reason is: because the solvent-borne type pressure sensitive adhesive is in the process of coating, the a large amount of organic solvent evaporations that need wherein to contain fall, and therefore the problem that causes mainly contains: one, the long processing time of pressure sensitive adhesive goods; Two, Zheng Fa solvent causes actual bodily harm to the operator; Three, Zheng Fa solvent itself does not have sufficient utilization can cause waste yet; In heat-processed, substrates coated is damaged.
Summary of the invention
The object of the invention provides a kind of making method of environment friendly pressure sensitive material, and purpose is to solve the environmental issue that the solvent-borne type pressure sensitive adhesive exists in use.
For achieving the above object, the technical solution used in the present invention is: the making method of environment friendly pressure sensitive material, mainly form by the following step:
The first step: in closed environment, the solvent-borne type pressure sensitive adhesive is heated to 60～200 ℃, making the solvent evaporation that contains in the solvent-borne type pressure sensitive adhesive obtain the quality percentage composition is 50%～99.9% pressure sensitive adhesive; Described solvent-borne type pressure sensitive adhesive is solvent type polyacrylate pressure sensitive adhesive or solvent-borne type rubber pressure sensitive adhesive;
Second step: the quality percentage composition that obtains to the first step is that 50%～99.9% pressure sensitive adhesive adds solidifying agent, and adopts vibrating head or screw extrusion press that both are mixed to obtain the pressure sensitive adhesive mixture; Wherein, described quality percentage composition is that 50%～99.9% the pressure sensitive adhesive and the mass ratio of solidifying agent are 100:0.1～5; Described solidifying agent is isocyanates solidifying agent or metallic salt solidifying agent; Described metallic salt solidifying agent is selected from least a in zinc acetylacetonate, aluminium acetylacetonate, chromium acetylacetonate, ferric acetyl acetonade, methyl ethyl diketone cadmium, acetylacetone cobalt, acetylacetonate nickel, acetylacetone copper, methyl ethyl diketone zirconium, acetyl acetone and the manganese acetylacetonate;
The 3rd step: coating;
The 4th step: rolling.
Related content in the technique scheme is explained as follows:
1, in the such scheme, described coating is the surface that the pressure sensitive adhesive mixture that second step made is coated on base material, the separated type material of fitting on the pressure sensitive adhesive mixture then.
2, in the such scheme, described coating is the surface that the pressure sensitive adhesive mixture that second step made is coated on base material, toasts the separated type material of then fitting on the pressure sensitive adhesive mixture more then.
3, in the such scheme, described coating is a side that the second pressure sensitive adhesive mixture that make of step is coated on base material, and the pressure sensitive adhesive mixture to coating toasts then, then again to the surface applying separated type material through the pressure sensitive adhesive mixture of overbaking; The pressure sensitive adhesive mixture that second step was made is coated on the another side of base material then, toasts again.
4, in the such scheme, described coating is a side that the pressure sensitive adhesive mixture that second step made is coated on base material, to the surface of pressure sensitive adhesive mixture applying separated type material, then the pressure sensitive adhesive mixture that second step was made is coated on the another side of base material then.
5, in the such scheme, described coating is two sides that the pressure sensitive adhesive mixture that second step made are coated on base material, to the surface applying separated type material of a lateral pressure sensitive adhesive mixture that is coated on base material, then toasts then.
6, in the such scheme, described coating is two sides that the second pressure sensitive adhesive mixture that make of step are coated on base material, then to the surface applying separated type material that is coated on a lateral pressure sensitive adhesive mixture of base material.
7, in the such scheme, described isocyanates solidifying agent is selected from tolylene diisocyanate, ditan-4, at least a in 4 '-vulcabond, isophorone diisocyanate and the hexamethylene diisocyanate.
8, in the such scheme, described base material is plain weave woven fiber glass base material, polyvinyl chloride film, polyethylene terephthalate thin film, non-woven fabrics or cotton paper.
9, in the such scheme, described separated type material is separate-type paper or plastics release film.
10, in the such scheme, in the described the first step, reclaim after the solvent collection that evaporation obtains, the condensation and obtain liquid solvent.
11, in the such scheme, the evaporation operation of carrying out solvent under closed environment is for fear of the solvent vapo(u)r contaminate environment, and makes the solvent of evaporation all to reclaim.
12, in the such scheme, solvent-borne type rubber pressure sensitive adhesive is meant with natural or synthetic rubber and is main raw material and adds low-molecular-weight thickening material, softening agent and stablizer etc. and be dissolved in organic solvent and be made.
Because the technique scheme utilization, the present invention compared with prior art has following advantage and effect:
1, solvent-borne type pressure sensitive adhesive of the present invention is made carrier with solvent such as toluene, ethyl acetate when synthetic, so the character of pressure sensitive adhesive is good.
2, the present invention removes the solvent after the pressure sensitive adhesive polymerization (toluene, ethyl acetate) major part and reclaim in closed environment, thereby reduces the whole cost of tackiness agent, avoids environmental pollution.
3, the organic solvent that toluene, ethyl acetate equal solvent type pressure sensitive adhesive are commonly used has features such as poisonous, inflammable, in the roasting adhesive process when the solvent-borne type pressure sensitive adhesive directly is coated with, when heating makes the organic solvent volatilization, cause operative employee's actual bodily harm at first easily, next has explosion hazard, and during solvent application of the present invention, because volatile quantity is few, therefore can effectively avoid the coating process potential safety hazard, and can improve coating production efficiency greatly by saving the roasting required time of glue.
4, the present invention can mix pressure sensitive adhesive mixture and solidifying agent easily with vibrating head or screw extrusion press.
5, because the polyacrylate polymers that the present invention uses is a saturated compound, so heat, photochemistry, oxygenolysis are had good tolerability, good stability.
Embodiment
Below in conjunction with embodiment the present invention is further described:
Embodiment one: the making method of environment friendly pressure sensitive material, mainly form by the following step:
The first step: at first make solvent-borne type rubber pressure sensitive adhesive, the prescription of solvent-borne type rubber pressure sensitive adhesive is:
| Raw material | Mass parts |
| Natural rubber (one-level smoke sheet rubber) | 75 |
| Styrene-butadiene rubber(SBR) (SBR-1502) | 20 |
| α-terpine resin | 80 |
| 2402 resol | 18 |
| The LDJ-240 chloroprene rubber | 4 |
| MgO | 2 |
| ZnO | 4 |
| Anti-aging agent RD | 2 |
| Accelerator DM | 0.1 |
| 120# gasoline | 600 milliliters |
| Ethyl acetate | 600 milliliters |
The preparation technology of solvent-borne type rubber pressure sensitive adhesive: plasticate natural and styrene-butadiene rubber(SBR) (1) on rubber mixing machine, add anti-aging agent, tackifier, vulcanizing agent etc. then successively and carry out mixing.(2) film that mixes being placed temperature is that 130～145 ℃ loft drier vulcanized 10～15 minutes.(3) rubber that vulcanized is cut into small pieces.(4) use dissolution with solvents, and add 2402 resol through pre-reaction.(5) add the solvent of aequum again, stirring is solvent-borne type rubber pressure sensitive adhesive.
Second step: in closed environment, solvent-borne type rubber pressure sensitive adhesive is heated to 60～90 ℃ (adopting the method that progressively heats up), making the solvent evaporation that contains in the solvent-borne type pressure sensitive adhesive obtain the quality percentage composition is 80% rubber pressure sensitive adhesive.Reclaim after gasoline that evaporation obtains and ethyl acetate collection, the condensation.
The 3rd step: the rubber pressure sensitive adhesive that obtains to second step adds the different zinc acetylacetonate of solidifying agent, and with vibrating head rubber pressure sensitive adhesive and solidifying agent is mixed; Wherein, the mass ratio of described rubber pressure sensitive adhesive and solidifying agent is 100:2.
The 4th step: the making of adhesive tape: the rubber pressure sensitive adhesive is coated on the PET base material, and bondline thickness is 0.05 millimeter,
The 5th step: the applying release film obtains the single face adhesive tape;
The 6th step: rolling.
Embodiment two: the making method of environment friendly pressure sensitive material, mainly form by the following step:
The first step: at first make the solvent type polyacrylate pressure sensitive adhesive, its raw material is: butyl acrylate (BA), methyl methacrylate (MMA), vinylformic acid (AA), vinyl acetate (VAc), Hydroxyethyl acrylate, ethyl acetate, Diisopropyl azodicarboxylate, chain-transfer agent Dodecyl Mercaptan.Polymerization technique is: in the 500ml four-hole boiling flask of electric mixer, reflux exchanger, thermometer and dropping funnel is housed, drop into all monomers and solvent, feed N when being warming up to 70 ℃
2When temperature rises to 80 ℃, drip initiator Diisopropyl azodicarboxylate solution in batches, insulation reaction 6 hours is cooled to 50 ℃ and promptly gets the solvent type polyacrylate pressure sensitive adhesive.
Second step: in closed environment, with the solvent type polyacrylate pressure sensitive adhesive, be heated to 70～100 ℃ (adopt progressively heat up methods), making solvent (ethyl acetate) evaporation that contains in the solvent type polyacrylate pressure sensitive adhesive obtain the quality percentage composition is 85% polyacrylate pressure-sensitive.Reclaim after the ethyl acetate collection that evaporation obtains, the condensation and obtain the liquid acetic acid ethyl ester.
The 3rd step: the polyacrylate pressure-sensitive that obtains to second step adds the metallic salt solidifying agent, and with screw extrusion press polyacrylate pressure-sensitive and solidifying agent is mixed; Wherein, the mass ratio of described polyacrylate pressure-sensitive and solidifying agent is 100:1; Described metallic salt solidifying agent is zinc acetylacetonate and the ferric acetyl acetonade mixture according to mass ratio 1:1.
The 4th step: the making of adhesive tape: polyacrylate pressure-sensitive is coated on the PVC, and bondline thickness is 0.05 millimeter.
The 5th step: baking.
The 6th step: the applying separate-type paper film that is protected.
The 7th step: rolling.
Embodiment three: the making method of environment friendly pressure sensitive material, mainly form by the following step:
The first step: at first make the solvent type polyacrylate pressure sensitive adhesive, its raw material is: butyl acrylate (BA), vinyl-acetic ester, ethyl acrylate, Hydroxyethyl acrylate, vinylformic acid, toluene, ethyl acetate.Polymerization technique is: monomers such as butyl acrylate, toluene, ethyl acetate input are equipped with in the four-hole boiling flask of reflux condensing tube, thermometer, airway and agitator, drip the initiator isopropyl benzene hydroperoxide when reaching reflux temperature, time is two hours, continue reaction three hours, and then drip the initiator isopropyl benzene hydroperoxide, continue reaction and got the water white transparency thick liquid in about two hours.
Second step: in closed environment, with the solvent type polyacrylate pressure sensitive adhesive, be heated to 70～110 ℃ (adopt progressively heat up methods), making solvent (toluene and the ethyl acetate) evaporation that contains in the solvent-borne type pressure sensitive adhesive obtain the quality percentage composition is 90% polyacrylate pressure-sensitive.Evaporation obtains that toluene and ethyl acetate are collected, reclaim after the condensation and obtain liquid toluene, ethyl acetate.
The 3rd step: the polyacrylate pressure-sensitive that obtains to second step adds curing agent toluene vulcabond (Toluene-2,4-diisocyanate, 4-vulcabond), and with vibrating head polyacrylate pressure-sensitive and tolylene diisocyanate is mixed; Wherein, the mass ratio of described polyacrylate pressure-sensitive and solidifying agent is 100:0.8.
The 4th step: go on foot the side that the polyacrylate pressure-sensitive mixture that makes is coated on plain weave woven fiber glass base material, 0.05 millimeter of bondline thickness with second.
The 5th step: the polyacrylate pressure-sensitive mixture in the 3rd step is toasted.
The 6th step: in the 4th step through the surface applying plastics release film of the polyacrylate pressure-sensitive mixture of overbaking.
The 7th step: go on foot the another side that the polyacrylate pressure-sensitive mixture that makes is coated on plain weave woven fiber glass base material, 0.05 millimeter of bondline thickness with second.
The 8th step: the polyacrylate pressure-sensitive mixture in the 6th step is toasted.
The 9th step: rolling.
Embodiment four: the making method of environment friendly pressure sensitive material, mainly form by the following step:
The first step: at first make the solvent type polyacrylate pressure sensitive adhesive, its raw material is: butyl acrylate (BA), vinyl-acetic ester, vinylformic acid, benzoyl peroxide (BPO), ethyl acetate, Isooctyl acrylate monomer.Polymerization technique is: add proper amount of solvent in the four-hole boiling flask that adjustable rotating speed electric mixer, reflux exchanger, thermometer, dropping funnel are housed, start stirring, after being warming up to reflux temperature, add the solution that partly is dissolved with monomer and initiator B PO, under reflux temperature, keep about two hours of reaction, drip residual monomer, initiator and solvent.After waiting to dropwise, 80 ℃ of following insulation reaction three hours, cooling obtained the water white transparency glue solution of sticky shape gradually, is the solvent-borne type polypropene pressure sensitive adhesive.
Second step: in closed environment, with the solvent type polyacrylate pressure sensitive adhesive, be heated to 60～120 ℃ (adopting the method that progressively heats up), making solvent (ethyl acetate) evaporation that contains in the solvent type polyacrylate pressure sensitive adhesive obtain the quality percentage composition is 95% polyacrylate pressure-sensitive.Recovery obtained liquid toluene after evaporation obtained ethyl acetate collection, condensation.
The 3rd step: the polyacrylate pressure-sensitive that obtains to second step adds the solidifying agent aluminium acetylacetonate, and with screw extrusion press polyacrylate pressure-sensitive and solidifying agent aluminium acetylacetonate is mixed; Wherein, the mass ratio of described solvent-free pressure sensitive adhesive and solidifying agent aluminium acetylacetonate is 100:4.
The 4th step: go on foot the side that the polyacrylate pressure-sensitive mixture that makes is coated on non-woven fabrics base material, 0.05 millimeter of bondline thickness with second.
The 5th step: to the surface applying separate-type paper of the 3rd polyacrylate pressure-sensitive mixture that goes on foot.
The 6th step: go on foot the another side that the polyacrylate pressure-sensitive mixture that makes is coated on non-woven fabrics base material, 0.05 millimeter of bondline thickness with second.
The 7th step: rolling.
Embodiment five: the making method of environment friendly pressure sensitive material, mainly form by the following step:
The first step: at first make the solvent type polyacrylate pressure sensitive adhesive, its raw material is: butyl acrylate (BA), ethyl acrylate, ethyl propenoate, vinylformic acid, benzoyl peroxide (BPO), ethyl acetate.Polymerization technique is: in the 250ml four-hole boiling flask that adjustable rotating speed electric mixer, reflux exchanger, thermometer, dropping funnel are housed, drop into ethyl acetate then, be warming up to the reflux temperature of ethyl acetate, add general mixed monomer (being dissolved with initiator), start agitator, begin reaction.React after one and a half hours, drip remaining general monomer, drip off in one hour.Add a small amount of initiator after dripping off again.Remain on reflux temperature reaction two hours, get light yellow viscous liquid, be incubated half an hour, be cooled to 50 ℃, reaction finishes.
Second step: in closed environment, with the solvent type polyacrylate pressure sensitive adhesive, be heated to 80～130 ℃ (adopt progressively heat up methods), making solvent (ethyl acetate) evaporation that contains in the solvent type polyacrylate pressure sensitive adhesive obtain the quality percentage composition is 99.9% polyacrylate pressure-sensitive.Recovery obtained the liquid acetic acid ethyl ester after evaporation obtained ethyl acetate collection, condensation.
The 3rd step: the polyacrylate pressure-sensitive that obtains to second step adds the solidifying agent hexamethylene diisocyanate, and mixes with the solvent-free pressure sensitive adhesive and the solidifying agent hexamethylene diisocyanate of vibrating head with molten state; Wherein, the mass ratio of described polyacrylate pressure-sensitive and solidifying agent hexamethylene diisocyanate is 100:3.5.
The 4th step: go on foot two sides that the polyacrylate pressure-sensitive mixture that makes is coated on the cotton paper base material, 0.05 millimeter of bondline thickness with second.
The 5th step: the surface applying plastics release film that in the 3rd step, is coated on a lateral polyacrylate pressure-sensitive mixture of base material.
The 6th step: baking.
The 7th step: rolling.
Embodiment six: the making method of environment friendly pressure sensitive material, mainly form by the following step:
The first step: at first make solvent-borne type rubber pressure sensitive adhesive, its raw material is: natural rubber (NR), third styrene-butadiene rubber(SBR) (SBR), chloroprene rubber (CR), methyl methacrylate, butyl acrylate, toluene, benzoyl peroxide (BPO), terpine resin, petroleum resin.Polymerization technique is: respectively after plasticating in the mill, mixing more even back discharging is placed and is used for glue after 1～2 day with various rubber.In the 2L four-necked bottle with an amount of toluene with the rubber unvulcanizate rising temperature for dissolving that is cut into small pieces.Constant temperature drips the mix monomer that is dissolved with initiator at 80 ℃ with constant pressure funnel branch both sides to treat to dissolve also by rubber unvulcanizate fully, twice dropping about 1 hour at interval.Should keep a close eye on gelatin viscosity after dripping for the second time and change, during to appropriate viscosity, cooling, discharging.Get above-mentioned Graft Adhesive, add a certain amount of toluene dissolved terpine resin, petroleum resin used and stir and get final product.
Second step: in closed environment, with solvent-borne type rubber pressure sensitive adhesive, be heated to 60～150 ℃ (adopt progressively heat up methods), making solvent (toluene) evaporation that contains in the solvent-borne type rubber pressure sensitive adhesive obtain mass content is 99.9% rubber pressure sensitive adhesive.Recovery obtained liquid toluene after evaporation obtained toluene collection, condensation.
The 3rd step: the rubber pressure sensitive adhesive that obtains to second step adds the solidifying agent isophorone diisocyanate, and with screw extrusion press rubber pressure sensitive adhesive and solidifying agent isophorone diisocyanate is mixed; Wherein, the mass ratio of described rubber pressure sensitive adhesive and solidifying agent is 100:5.
The 4th step: go on foot two sides that the rubber pressure sensitive adhesive mixture that makes is coated on the PET base material, 0.05 millimeter of bondline thickness with second.
The 5th step: the surface applying separate-type paper that in the 3rd step, is coated on a lateral rubber pressure sensitive adhesive mixture of base material.
The 6th step: rolling.
Embodiment seven: the making method of environment friendly pressure sensitive material, mainly form by the following step:
At first make the solvent type polyacrylate pressure sensitive adhesive, its raw material is: butyl acrylate (BA), ethyl acrylate, ethyl propenoate, methyl methacrylate, Hydroxyethyl acrylate, vinylformic acid, Dicyclopentadiene (DCPD) maleic acid ester, Diacetylmonoxime, modified rosin, dimethylbenzene, vinyl acetic monomer, benzoyl peroxide (BPO).Polymerization technique is: add mixed solvent and partially mixed monomer in the 1L four-necked bottle of stirring, backflow and Dropping feeder is housed.Be warming up to 80 ℃, add part initiator benzoyl peroxide solution, begin to carry out polyreaction, drip remaining mix monomer and initiator solution then.After monomer dropping finishes, be warming up to 90 ℃ and be incubated 1 hour.Be cooled to room temperature, add modified rosin solution, auxiliary agents such as flow agent stir and promptly get the solvent type polyacrylate pressure sensitive adhesive.
Second step: in closed environment, with the solvent type polyacrylate pressure sensitive adhesive, be heated to 60～100 ℃ (adopt progressively heat up methods), making solvent (dimethylbenzene) evaporation that contains in the solvent type polyacrylate pressure sensitive adhesive obtain the quality percentage composition is 87% polyacrylate pressure-sensitive.Recovery obtained liquid paraxylene after evaporation obtained dimethylbenzene collection, condensation.
The 3rd step: the polyacrylate pressure-sensitive that obtains to the first step adds the solidifying agent zinc acetylacetonate, and with screw extrusion press polyacrylate pressure-sensitive and solidifying agent zinc acetylacetonate is mixed; Wherein, the mass ratio of described polyacrylate pressure-sensitive and solidifying agent is 100:2.
The 4th step: the making of adhesive tape: polyacrylate pressure-sensitive is coated on the PVC, and room temperature was placed one hour, and bondline thickness is 0.05 millimeter.
The 5th step: the applying separate-type paper film that is protected.
The 6th step: rolling.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (10)
1. the making method of environment friendly pressure sensitive material is characterized in that: mainly be made up of the following step:
The first step: in closed environment, the solvent-borne type pressure sensitive adhesive is heated to 60～200 ℃, making the solvent evaporation that contains in the solvent-borne type pressure sensitive adhesive obtain the quality percentage composition is 50%～99.9% pressure sensitive adhesive; Described solvent-borne type pressure sensitive adhesive is solvent type polyacrylate pressure sensitive adhesive or solvent-borne type rubber pressure sensitive adhesive;
Second step: the quality percentage composition that obtains to the first step is that 50%～99.9% pressure sensitive adhesive adds solidifying agent, and adopts vibrating head or screw extrusion press that both are mixed to obtain the pressure sensitive adhesive mixture; Wherein, described quality percentage composition is that 50%～99.9% the pressure sensitive adhesive and the mass ratio of solidifying agent are 100:0.1～5; Described solidifying agent is isocyanates solidifying agent or metallic salt solidifying agent; Described metallic salt solidifying agent is selected from least a in zinc acetylacetonate, aluminium acetylacetonate, chromium acetylacetonate, ferric acetyl acetonade, methyl ethyl diketone cadmium, acetylacetone cobalt, acetylacetonate nickel, acetylacetone copper, methyl ethyl diketone zirconium, acetyl acetone and the manganese acetylacetonate;
The 3rd step: coating;
The 4th step: rolling.
2. the making method of environment friendly pressure sensitive material according to claim 1 is characterized in that: described coating is the surface that the pressure sensitive adhesive mixture that second step made is coated on base material, the separated type material of fitting on the pressure sensitive adhesive mixture then.
3. the making method of environment friendly pressure sensitive material according to claim 1, it is characterized in that: described coating is the surface that the pressure sensitive adhesive mixture that second step made is coated on base material, toast the separated type material of then on the pressure sensitive adhesive mixture, fitting again then.
4. the making method of environment friendly pressure sensitive material according to claim 1, it is characterized in that: described coating is a side that the pressure sensitive adhesive mixture that second step made is coated on base material, pressure sensitive adhesive mixture to coating toasts then, then again to the surface applying separated type material through the pressure sensitive adhesive mixture of overbaking; The pressure sensitive adhesive mixture that second step was made is coated on the another side of base material then, toasts again.
5. the making method of environment friendly pressure sensitive material according to claim 1, it is characterized in that: described coating is a side that the pressure sensitive adhesive mixture that second step made is coated on base material, to the surface of pressure sensitive adhesive mixture applying separated type material, then the pressure sensitive adhesive mixture that second step was made is coated on the another side of base material then.
6. the making method of environment friendly pressure sensitive material according to claim 1, it is characterized in that: described coating is two sides that the pressure sensitive adhesive mixture that second step made are coated on base material, to the surface applying separated type material of a lateral pressure sensitive adhesive mixture that is coated on base material, then toast then.
7. the making method of environment friendly pressure sensitive material according to claim 1, it is characterized in that: described coating is two sides that the second pressure sensitive adhesive mixture that make of step are coated on base material, then to the surface applying separated type material that is coated on a lateral pressure sensitive adhesive mixture of base material.
8. the making method of environment friendly pressure sensitive material according to claim 1, it is characterized in that: described isocyanates solidifying agent is selected from tolylene diisocyanate, ditan-4, at least a in 4 '-vulcabond, isophorone diisocyanate and the hexamethylene diisocyanate.
9. the making method of environment friendly pressure sensitive material according to claim 1 is characterized in that: described base material is plain weave woven fiber glass base material, polyvinyl chloride film, polyethylene terephthalate thin film, non-woven fabrics or cotton paper.
10. the making method of environment friendly pressure sensitive material according to claim 1 is characterized in that: described separated type material is separate-type paper or plastics release film.
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Application publication date: 20110817 |