Strippability, transparent fit protective film
Technical field: the invention belongs to chemical field, speciality coating.Its main application is in same invention structure, and being applicable to respectively in smoke exhaust ventilator and the kitchen needs anti-smeary object plane top layer and outdoor advertising exhibition board, lamp box, commercial board, pastes and need in word, the copper word that anti-aging is faded, dirty object plane top layer.
Technical problem solved by the invention is: (1) has solved smoke exhaust ventilator with in the wet-cleaned process, comparatively hardships of operation, frequent, impair one's health.The transient equilibrium of impeller is damaged, exhaust air rate is reduced, shake during running and can not using, and make body surface coarse, fluff, fade, delamination, and the problem of having accelerated again the cycle of sticking oil stain, having shortened lampblack absorber work-ing life.
(2) solved the use fumes from cleaning agent and cleaned, many because of consumption, hold imitate short, use frequently the problem of poor effect.
(3) solved because of oil smoke all-pervasively, and made filtering screen, can not block the problem that greasy dirt is sticky with casing inside.
(4) solved the automatic flushing device that lampblack absorber is furnished with, can only work at this rotating part of impeller, and to accounting for the body overwhelming majority, be sticky with greasy dirt equally, the inner and outer shell that can not rotate does not have the problem of efficient, simple and direct solution.
(5) solved outdoor advertisements a surname showpiece, thus the easy weather stain, the dirty problem that has influenced vivid, eye-catching advertising results that cause because of the outdoor weather resistance difference.
The technical solution used in the present invention is: (1) with initiatively protection, the guarantor newly keeps a public place clean, dry method is removed contamination, the completely new approach that sprays again usefulness again solves the problems referred to above.The scheme of specific implementation is, a kind of strippability, transparent fit protective film, it is characterized in that, form aerosol liquid by content glue and propellant, by in the content glue, charge propellant make aerosol liquid from jet stream cloud jar product, through sealed valve, atomizing spraying on required object plane top layer, drying and forming-film; Wherein, by weight, content glue: propellant=48: 52; The content glue is by forming based on the polyvinyl butyral acetal of the gross weight meter 7% of above-mentioned aerosol liquid, 4% TG series low-molecular-weight polyamide resin, 24% propyl carbinol, 12% food grade Pentyl alcohol, 0.4 softening agent, 0.1% flow agent, 0.1% oxidation inhibitor, 0.15% photostabilizer, 0.15% static inhibitor and 0.1% antiseptic-germicide; Propellant is a dme; The specific inductivity of polyvinyl butyral acetal and TG series low-molecular-weight polyamide resin is 5.6, and the solubility parameter of propyl carbinol and food grade Pentyl alcohol is 11.4.
(2) since in add after the softening agent, improve and strengthened the performance of solute, make the rete after the film forming can be in-40 ℃ to 100 ℃ scope, have waterproof, oil-resisting good efficacy, and can oil, water vapour soak repeatedly smoked down, can guarantee 2 years after, the feature that well divests that rete can be in blocks.
(3) since in add oxidation inhibitor and photostabilizer after, endurable anti-aging, resist corrosion and humidity, fast light photograph absorbs ultraviolet ray.Rete is had, keep color and luster vivid, improve the feature of outdoor weather resistance.
(4) since in add static inhibitor after, can make the film surface resistance value 10
9Below ohm, can loss static charge for a long time, reduced the frictional coefficient of film surface.Make rete have elimination static after the film forming, delay the feature of incrustation cycle and anti-scratch.
(5) since in add flow agent, the film surface after the film forming is had, level and smooth, transparent, fine and closely woven can be the feature of one with being coated with object plane good binding.
(6) since in add antiseptic-germicide, make the rete after the film forming have the feature of antimycotic antiseptic.
Background technology: once there were Japanese Patent " the used in air exchange fan overlay film forms agent ", publication number: clear and 55-69665 in the world.Its invention is a matrix by trimerization nylon, is the brush-type solution of solvent with ethanol.After the film forming, because the winter hardiness of rete is poor, easy crisp hard, and wetting ability is strong, and the usage period lacks and is not developed.Domestic " the ventilator greasy dirt protective agent " that the examination as to substances of not entering was once arranged, November 21 91 year applying date; Application number 91110892.0; Publication number CN1072431A." spary coating type, greasy-dirt separation film capable of stripping-off "; October 23 95 year applying date; Application number 95116588.7; Publication number CN1129237A.Its summary of the invention is to be that primary solvent is formed with very strong ethanol of the water absorbability of the polyvinyl butyral acetal of non-modified and employing and water complete miscibility and Virahol.Oil, water, steam soak repeatedly smoked down, can very fast generation whiting, expand, from protruding and lose due effect.And outstanding feature of the present invention is, after having added new solute TG series low-molecular-weight polyamide resin, improving under the effect of softening agent modification and strengthening rete in-40 ℃ to 100 ℃ scope, having the effect of aspects such as waterproof, anti-oil, raising outdoor weather resistance.Guaranteed the present invention after 2 years usage periods, every technical feature of rete and the good result of use of strippability.And increased rete at anti-aging, fast light photograph, raising outdoor weather resistance and functional character antistatic, antimycotic antiseptic.Therefore comparing obvious improvement with existing technology.And it is also different in the selection of use range and propellant.
Summary of the invention: raw material used in the present invention and composition weight percent ratio
1, solute: polyvinyl alcohol butyral 7.0
X=hydroxyl Y=vinyl butyral base Z=acetic acid vinyl
TG series low-molecular-weight polyamide resin 4.0
2, solvent: n-butanol 24.0
The positive amylalcohol 12.0 of food grade
3, plasticizer: acetyl ricinoleic acid fourth fat 0.25
18 alcohol 0.15
4, levelling agent: methyl alkyl polysiloxanes 0.1
5, oxidation inhibitor: 1,1,3 one three one (2-methyl-4-hydroxyl-5-tert-butyl-phenyl) butane
0.1
6, photostabilizer: two (2,2,6,6 one tetramethyl-piperidyl) sebate 0.1
2-(the 2-hydroxyl-3-tertiary butyl-5-aminomethyl phenyl)-5-chlorinated benzotriazole
0.05
7, static inhibitor: stearamide propyl dimethyl one beta-hydroxyethyl ammonium dihydrogen orthophosphate 0.1
N, two (2-hydroxyethyl) alkylamines 0.05 of N-
8, antiseptic-germicide: 2-n-octyl-4-isothiazoline-3-ketone 0.1
9, propellant: dme 52.0
Technical qualification: by weight percentage, content glue: propellant=48: 52;
The specific inductivity of polyvinyl butyral acetal and TG series low-molecular-weight polyamide resin is 5.6, and the solubility parameter of propyl carbinol and food grade Pentyl alcohol is 11.4.
Embodiment: the mode of realization has two operations: 1, raw material quantitatively and carry out the preparation of content glue in stirred vessel.2, the can service line of propellant and check, packing.The base technical process is: raw material quantitatively → stirring and dissolving → digestion filtration → can → seal → inflate → check → beat sign indicating number → packing.
Concrete operation method: 1, spraying object plane should be clean anhydrous.
2, spraying at twice, midfeather 15 minutes.
3, should dry in the air in spray more than 15 ℃.
The form of product: 1,300-700 milliliter capacity is canned from jet stream cloud, can be used for spraying voluntarily.
2, the sealing of 100-600 milliliter capacity is bottled, can be used for manual brushing.
3, the sealing barreled can be used for gas blowout, EFI and dip-coating.