Summary of the invention
The present invention is directed to the durability requirements that cannot meet outdoor complex conditions existed in prior art, provide a kind ofly have that UV resistant is irradiated, the blocking film weathering resistance resin of strong, the excellent performance of resistance to gasoline corrosion of anti-blown sand performance and preparation method thereof.
In order to solve the problems of the technologies described above, the present invention is achieved through the following technical solutions:
A preparation method for blocking film weathering resistance resin, is characterized in that the composition preparation comprising following weight proportion:
Hard monomer 21-24,
Soft monomer 6-9,
Solvent 67-73,
Initiator 0.0135-0.066;
Preparation process is as follows:
(1) take vinylformic acid hard monomer and the vinylformic acid soft monomer of above-mentioned weight ratio, all mix;
(2) take 40% of the total monomer weight mixed in above-mentioned steps (1), take above-mentioned weight of solvent than 30% of total amount, mix, enter reactor and be heated to backflow;
(3) take above-mentioned weight of solvent than total amount 40%, take above-mentioned initiator weight ratio total amount 70% after taking through step (2) whole monomers of remainder mix, be added drop-wise in the reactor described in step (2), time for adding is 1-1.5 hour, keeps reflux state insulation reaction 1-2 hour again after being added dropwise to complete;
(4) weight of solvent is taken than 30% of total amount, mix with by whole initiators of remainder after taking through above-mentioned steps (3), be added drop-wise in the reactor described in step (3), time for adding is 0.5-1 hour, keeps reflux state insulation reaction 2-3 hour again after being added dropwise to complete;
(5) cooling discharging, obtains a kind of blocking film weathering resistance resin.
Prepare blocking film weathering resistance resin by above-mentioned steps, owing to adopting reaction step by step, can avoid discharging amount of heat, explosion caused danger; In the control reaction times step by step, better can control molecular weight and the second-order transition temperature of resin, thus make the weathering resistance of resin and tack good.
As preferably, the preparation method of above-mentioned a kind of blocking film weathering resistance resin, described initiator weight is the 0.056%-0.182% of vinylformic acid hard monomer and vinylformic acid soft monomer total amount.Select the initiator in above-mentioned scope, monomer conversion is best, and the properties of resin is excellent, is embodied in: anti-blown sand performance is strong, the excellent performance of resistance to gasoline corrosion, UV resistant are irradiated; Initiator weighs less than 0.056% of vinylformic acid hard monomer and vinylformic acid soft monomer total amount, and reaction not exclusively; Initiator weight, higher than 0.182% of vinylformic acid hard monomer and vinylformic acid soft monomer total amount, can cause the waste of initiator, and cost increases.
As preferably, the preparation method of above-mentioned a kind of blocking film weathering resistance resin, described initiator is benzoyl peroxide.Select this initiator, the reaction of monomer can be made more complete, effectively control reaction efficiency.Initiator also can select azo-bis-isobutyl cyanide or azo two cyanogen in different heptan.
As preferably, the preparation method of above-mentioned a kind of blocking film weathering resistance resin, described solvent is that the formulated in combination of any one or two kinds of components in toluene or methyl iso-butyl ketone (MIBK) forms, and the weight ratio of the formulated in combination of described toluene and methyl iso-butyl ketone (MIBK) two kinds of components is 1: 1 to 3: 1.Select above-mentioned solvent or its combination, effectively can control the temperature of reaction of monomer, reduce reaction system viscosity, make it fully react.Solvent also can select the combination of vinyl acetic monomer or N-BUTYL ACETATE or vinyl acetic monomer and toluene, or N-BUTYL ACETATE and toluene two kinds of components formulated.
As preferably, the preparation method of above-mentioned a kind of blocking film weathering resistance resin, described vinylformic acid hard monomer comprises any one in methyl methacrylate or β-dimethyl-aminoethylmethacrylate or vinylbenzene.
As preferably, the preparation method of above-mentioned a kind of blocking film weathering resistance resin, described vinylformic acid hard monomer is that the formulated in combination of methyl methacrylate and β-dimethyl-aminoethylmethacrylate two kinds of components forms, and the weight ratio of the formulated in combination of described methyl methacrylate and β-dimethyl-aminoethylmethacrylate two kinds of components is 4: 1 to 7: 1.
As preferably, the preparation method of above-mentioned a kind of blocking film weathering resistance resin, described vinylformic acid hard monomer is that the formulated in combination of methyl methacrylate and vinylbenzene two kinds of components forms, and the weight ratio of the formulated in combination of described methyl methacrylate and vinylbenzene two kinds of components is 10:1 to 15:1.
Select aforesaid propylene acid hard monomer or its combination, the weathering resistance of resin, resistance to deformation behavior, solvent resistance can be made better.
As preferably, the preparation method of above-mentioned a kind of blocking film weathering resistance resin, described vinylformic acid soft monomer is that the formulated in combination of any one or any two components in butyl methacrylate or methyl acrylate or vinyl acetate forms, the weight ratio of the formulated in combination of described butyl methacrylate and methyl acrylate two kinds of components is 3:1 to 5:1, the weight ratio of the formulated in combination of described butyl methacrylate and vinyl acetate two kinds of components is 5:1 to 8:1, the weight ratio of the formulated in combination of described methyl acrylate and vinyl acetate two kinds of components is 4:3 to 7:3.Select the aching and limp monomer of aforesaid propylene or its combination, the snappiness of resin, ductility can be made better, improve its attachment fastness simultaneously.
A kind of blocking film weathering resistance resin, prepares gained by the preparation method of any one blocking film weathering resistance resin above-mentioned.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but they are not limitations of the present invention:
embodiment 1
A preparation method for blocking film weathering resistance resin, comprises the composition preparation of following weight proportion:
21 parts of vinylformic acid hard monomers, 6 parts of vinylformic acid soft monomers, 67 parts of solvents, 0.0135 part of initiator, preparation process is as follows:
(1) take vinylformic acid hard monomer and the vinylformic acid soft monomer of above-mentioned weight ratio, all mix;
(2) take 40% of the total monomer weight mixed in above-mentioned steps (1), take above-mentioned weight of solvent than 30% of total amount, mix, enter reactor and be heated to backflow;
(3) take above-mentioned weight of solvent than total amount 40%, take above-mentioned initiator weight ratio total amount 70% after taking through step (2) whole monomers of remainder mix, be added drop-wise in the reactor described in step (2), time for adding is 1-1.5 hour, keeps reflux state insulation reaction 1-2 hour again after being added dropwise to complete;
(4) weight of solvent is taken than 30% of total amount, mix with by whole initiators of remainder after taking through above-mentioned steps (3), be added drop-wise in the reactor described in step (3), time for adding is 0.5-1 hour, keeps reflux state insulation reaction 2-3 hour again after being added dropwise to complete;
(5) cooling discharging, obtains a kind of blocking film weathering resistance resin.
Initiator is preferably benzoyl peroxide.
Solvent preferably selects toluene or methyl iso-butyl ketone (MIBK).
Vinylformic acid hard monomer preferably selects methyl methacrylate or β-dimethyl-aminoethylmethacrylate or vinylbenzene.
Vinylformic acid soft monomer preferably selects butyl methacrylate or methyl acrylate or vinyl acetate.
embodiment 2
A preparation method for blocking film weathering resistance resin, comprises the composition preparation of following weight proportion:
21 parts of vinylformic acid hard monomers, 9 parts of vinylformic acid soft monomers, 73 parts of solvents, 0.066 part of initiator.
Solvent is the combination of toluene and methyl iso-butyl ketone (MIBK), and two kinds of component weight ratios control to prepare at 1:1 to 3:1.
The proportioning of other component and implementation step are with above-described embodiment 1.
Initiator is preferably benzoyl peroxide.
Vinylformic acid hard monomer preferably selects methyl methacrylate or β-dimethyl-aminoethylmethacrylate or vinylbenzene.
Vinylformic acid soft monomer preferably selects butyl methacrylate or methyl acrylate or vinyl acetate.
embodiment 3
A preparation method for blocking film weathering resistance resin, comprises the composition preparation of following weight proportion:
24 parts of vinylformic acid hard monomers, 9 parts of vinylformic acid soft monomers, 73 parts of solvents, 0.066 part of initiator.
Vinylformic acid hard monomer is that the formulated in combination of methyl methacrylate and β-dimethyl-aminoethylmethacrylate two kinds of components forms, and the weight ratio of the formulated in combination of described methyl methacrylate and β-dimethyl-aminoethylmethacrylate two kinds of components controls at 4:1 to 7:1.
The proportioning of other component and implementation step are with above-described embodiment 1.
Initiator is preferably benzoyl peroxide.
Solvent preferably selects toluene or methyl iso-butyl ketone (MIBK).
Vinylformic acid soft monomer preferably selects butyl methacrylate or methyl acrylate or vinyl acetate.
embodiment 4
A preparation method for blocking film weathering resistance resin, comprises the composition preparation of following weight proportion:
24 parts of vinylformic acid hard monomers, 6 parts of vinylformic acid soft monomers, 67 parts of solvents, 0.0135 part of initiator.
Vinylformic acid hard monomer is that the formulated in combination of methyl methacrylate and vinylbenzene two kinds of components forms, and the weight ratio of the formulated in combination of described methyl methacrylate and vinylbenzene two kinds of components controls at 10:1 to 15:1.
The proportioning of other component and implementation step are with above-described embodiment 1.
Initiator is preferably benzoyl peroxide.
Solvent preferably selects toluene or methyl iso-butyl ketone (MIBK).
Vinylformic acid soft monomer preferably selects butyl methacrylate or methyl acrylate or vinyl acetate.
embodiment 5
A preparation method for blocking film weathering resistance resin, comprises the composition preparation of following weight proportion:
22 parts of vinylformic acid hard monomers, 7 parts of vinylformic acid soft monomers, 70 parts of solvents, 0.0135 part of initiator.
Vinylformic acid soft monomer is that the formulated in combination of butyl methacrylate and methyl acrylate two kinds of components forms, and the weight ratio of the formulated in combination of described butyl methacrylate and methyl acrylate two kinds of components controls at 3:1 to 5:1.
The proportioning of other component and implementation step are with above-described embodiment 1.
Initiator is preferably benzoyl peroxide.
Solvent preferably selects toluene or methyl iso-butyl ketone (MIBK).
Vinylformic acid hard monomer preferably selects methyl methacrylate or β-dimethyl-aminoethylmethacrylate or vinylbenzene.
embodiment 6
A preparation method for blocking film weathering resistance resin, comprises the composition preparation of following weight proportion:
23 parts of vinylformic acid hard monomers, 8 parts of vinylformic acid soft monomers, 71 parts of solvents, 0.04 part of initiator.
Vinylformic acid soft monomer is that the formulated in combination of butyl methacrylate and vinyl acetate two kinds of components forms, and the weight ratio of the formulated in combination of described butyl methacrylate and vinyl acetate two kinds of components controls at 5:1 to 8:1.
The proportioning of other component and implementation step are with above-described embodiment 1.
Initiator is preferably benzoyl peroxide.
Solvent preferably selects toluene or methyl iso-butyl ketone (MIBK).
Vinylformic acid hard monomer preferably selects methyl methacrylate or β-dimethyl-aminoethylmethacrylate or vinylbenzene.
embodiment 7
A preparation method for blocking film weathering resistance resin, comprises the composition preparation of following weight proportion:
24 parts of vinylformic acid hard monomers, 6 parts of vinylformic acid soft monomers, 73 parts of solvents, 0.066 part of initiator.
Vinylformic acid soft monomer is that the formulated in combination of methyl acrylate and vinyl acetate two kinds of components forms, and the weight ratio of the formulated in combination of described methyl acrylate and vinyl acetate two kinds of components controls at 4:3 to 7:3.
The proportioning of other component and implementation step are with above-described embodiment 1.
Initiator is preferably benzoyl peroxide.
Solvent preferably selects toluene or methyl iso-butyl ketone (MIBK).
Vinylformic acid hard monomer preferably selects methyl methacrylate or β-dimethyl-aminoethylmethacrylate or vinylbenzene.
embodiment 8
A preparation method for blocking film weathering resistance resin, comprises the composition preparation of following weight proportion:
24 parts of vinylformic acid hard monomers, 9 parts of vinylformic acid soft monomers, 67 parts of solvents, 0.066 part of initiator.
The proportioning of other component and implementation step are with above-described embodiment 1.
Initiator is preferably benzoyl peroxide.
Solvent preferably selects toluene or methyl iso-butyl ketone (MIBK).
Vinylformic acid hard monomer preferably selects methyl methacrylate or β-dimethyl-aminoethylmethacrylate or vinylbenzene.
Vinylformic acid soft monomer preferably selects butyl methacrylate or methyl acrylate or vinyl acetate.
embodiment 9
A preparation method for blocking film weathering resistance resin, comprises the composition preparation of following weight proportion:
21 parts of vinylformic acid hard monomers, 9 parts of vinylformic acid soft monomers, 67 parts of solvents, 0.02 part of initiator.
The proportioning of other component and implementation step are with above-described embodiment 1.
Initiator is preferably benzoyl peroxide.
Solvent preferably selects toluene or methyl iso-butyl ketone (MIBK).
Vinylformic acid hard monomer preferably selects methyl methacrylate or β-dimethyl-aminoethylmethacrylate or vinylbenzene.
Vinylformic acid soft monomer preferably selects butyl methacrylate or methyl acrylate or vinyl acetate.
embodiment 10
A preparation method for blocking film weathering resistance resin, comprises the composition preparation of following weight proportion:
21 parts of vinylformic acid hard monomers, 6 parts of vinylformic acid soft monomers, 73 parts of solvents, 0.0135 part of initiator.
The proportioning of other component and implementation step are with above-described embodiment 1.
Initiator is preferably benzoyl peroxide.
Solvent preferably selects toluene or methyl iso-butyl ketone (MIBK).
Vinylformic acid hard monomer preferably selects methyl methacrylate or β-dimethyl-aminoethylmethacrylate or vinylbenzene.
Vinylformic acid soft monomer preferably selects butyl methacrylate or methyl acrylate or vinyl acetate.
embodiment 11
A preparation method for blocking film weathering resistance resin, comprises the composition preparation of following weight proportion:
24 parts of vinylformic acid hard monomers, 9 parts of vinylformic acid soft monomers, 73 parts of solvents, 0.0135 part of initiator.
The proportioning of other component and implementation step are with above-described embodiment 1.
Initiator is preferably benzoyl peroxide.
Solvent preferably selects toluene or methyl iso-butyl ketone (MIBK).
Vinylformic acid hard monomer preferably selects methyl methacrylate or β-dimethyl-aminoethylmethacrylate or vinylbenzene.
Vinylformic acid soft monomer preferably selects butyl methacrylate or methyl acrylate or vinyl acetate.
embodiment 12
A preparation method for blocking film weathering resistance resin, comprises the composition preparation of following weight proportion:
21 parts of vinylformic acid hard monomers, 6 parts of vinylformic acid soft monomers, 67 parts of solvents, 0.066 part of initiator.
The proportioning of other component and implementation step are with above-described embodiment 1.
Initiator is preferably benzoyl peroxide.
Solvent preferably selects toluene or methyl iso-butyl ketone (MIBK).
Vinylformic acid hard monomer preferably selects methyl methacrylate or β-dimethyl-aminoethylmethacrylate or vinylbenzene.
Vinylformic acid soft monomer preferably selects butyl methacrylate or methyl acrylate or vinyl acetate.
embodiment 13
A preparation method for blocking film weathering resistance resin, comprises the composition preparation of following weight proportion:
21 parts of vinylformic acid hard monomers, 6 parts of vinylformic acid soft monomers, 73 parts of solvents, 0.015 part of initiator.
The proportioning of other component and implementation step are with above-described embodiment 1.
Initiator is preferably benzoyl peroxide.
Solvent preferably selects toluene or methyl iso-butyl ketone (MIBK).
Vinylformic acid hard monomer preferably selects methyl methacrylate or β-dimethyl-aminoethylmethacrylate or vinylbenzene.
Vinylformic acid soft monomer preferably selects butyl methacrylate or methyl acrylate or vinyl acetate.
embodiment 14
A preparation method for blocking film weathering resistance resin, comprises the composition preparation of following weight proportion:
24 parts of vinylformic acid hard monomers, 6 parts of vinylformic acid soft monomers, 67 parts of solvents, 0.06 part of initiator.
Vinylformic acid hard monomer is that the formulated in combination of methyl methacrylate and vinylbenzene two kinds of components forms, and the weight ratio of the formulated in combination of described methyl methacrylate and vinylbenzene two kinds of components controls at 10:1 to 15:1.
The proportioning of other component and implementation step are with above-described embodiment 1.
Initiator is preferably benzoyl peroxide.
Solvent preferably selects toluene or methyl iso-butyl ketone (MIBK).
Vinylformic acid soft monomer preferably selects butyl methacrylate or methyl acrylate or vinyl acetate.
In a word, the foregoing is only preferred embodiment of the present invention, all equalizations done according to the scope of the present patent application patent change and modify, and all should belong to covering scope of the present invention.