CN101705063A - High molecular bonding resin for aluminum composite panel and preparation method thereof - Google Patents
High molecular bonding resin for aluminum composite panel and preparation method thereof Download PDFInfo
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Abstract
The invention relates to a high molecular bonding resin for an aluminum composite panel, which comprises the following components: a matrix resin A, a dispersing agent, a bonding resin compatilizer, an antioxidant, a tackifying resin, an ultra-violet absorber, an inorganic filler and other auxiliary agents. The preparation method comprises the following steps of: stirring and dissolving maleic anhydride and butanone, adding styrene and an accelerator into the solution, and then stirring the mixture to obtain a transparent mixed liquor; performing a blending reaction of a matrix resin B and the transparent mixed liquor at the temperature of between 140 and 185 DEG C, and extruding and chopping reaction products to obtain the bonding resin compatilizer; and uniformly mixing each component according to a formula, performing a fritreaction of the mixture through a double-screw extruder, extruding and granulating the reaction products to obtain the high molecular bonding resin grains for the aluminum composite panel. The high molecular bonding resin for the aluminum composite panel has the advantages of good bonding property, easy processing, good film-forming ability, and excellent mechanical property. In addition, the method has the advantages of less time, high production efficiency, convenient use, energy conservation, suitability for industrialized production and good application prospect in the process for preparing aluminum composite panel products.
Description
Technical field
The invention belongs to high molecular bonding resin and preparation field thereof, particularly relate to a kind of high molecular bonding resin for aluminum composite panel and preparation method thereof.
Background technology
Aluminium-plastic panel is being come into our life rapidly as a kind of new decorative material that is rich in sense of modernness, rich color, light durable, it has been widely used on the various building decorations, as top ceiling, Bao Zhu, sales counter, furniture, call box, elevator, StoreFront, billboard, dustproof locular wall material, factory building wall material etc., become the representative of (lithotome, glass curtain wall, metal curtain wall) metal curtain wall in the three big curtain walls.
Aluminium-plastic panel be by through the aluminium sheet of surface treatment and application baking vanish as the top layer, the polyethylene plastic plate is as sandwich layer, processing is composited through the series of process process.The manufacturing of aluminium-plastic panel mainly contains two big production technique: a kind of is cold combined producing tech, and another kind is a hot composition process.Hot composition process is difficult for producing plastic-aluminum and separates because of the product stripping strength height of its production, and plate shape is smooth, and the life-span is long, has become advanced at present technology, is the development trend of aluminium-plastic panel industry.Therefore but because that polyethylene is difficult to aluminium sheet is directly bonding, will adopt one deck adhesive linkage, use a kind of special plastic film usually, this film has dual character, and one side can be bonding with metallic aluminium, and another side can be bonding with polyethylene.Aluminium-plastic panel polymeric adhesion film is one of key factor of preparation high quality plastic-aluminum plate.And the special-purpose polymeric adhesion film of present this aluminium-plastic panel mainly still relies on import, and the related products on the domestic market is mainly from du pont company, Korea S SK company and Mitsui chemical company etc.
Deficiencies such as aluminium-plastic panel polymeric adhesion film product depends on from external import, and its existence costs an arm and a leg, delivery cycle is long, so make aluminium-plastic panel manufacturer manufacturing cost rise, product competitiveness descends.At present domestic also have a lot of manufacturers also at development aluminium-plastic panel polymeric adhesion film, as Guangzhou Lu Shan chemical materials company limited, Bai Chen polymer novel material company limited etc., also some product is introduced to the market, but product performance and external like product still have bigger gap, and its share of market yet is not very big.The problem that home products mainly exists is that bonding strength is not enough, and the adhesiveproperties persistence is bad.
Summary of the invention
Technical problem to be solved by this invention provides a kind of high molecular bonding resin for aluminum composite panel and preparation method thereof, it is good that this high molecular bonding resin for aluminum composite panel has cohesiveness, easily processing, advantages such as good film-forming property, cohesive strength to metallic aluminium reaches as high as 6.0N/mm, good mechanical performance; And preparation method's weak point consuming time, the production efficiency height, easy to use, energy efficient is fit to suitability for industrialized production.
Binder resin compatilizer reactive grafting mechanism of the present invention is as follows:
1) peroxide initiator decomposes, and generates free radical
2) free radical is captured the H atom on the sub polyethylene subchain, generates the polyethylene macromolecular radical
3) polyethylene macromolecular radical and maleic anhydride generation graft reaction generate the PE-g-MAH free radical
4) the PE-g-MAH free radical is further captured the H atom on the sub polyethylene subchain, generates polyethylene macromolecular radical and PE-g-MAH
5) other side reactions comprise maleic anhydride autohemagglutination, polyethylene crosslinking
A kind of high molecular bonding resin for aluminum composite panel of the present invention comprises the raw material of following weight part:
Matrix resin A 50-65wt% dispersion agent 0.2-1.0wt%
Binder resin compatilizer 15-30wt% oxidation inhibitor 0.3-1.0wt%
Tackifying resin 10-15wt% UV light absorber 0.5-1.5wt%
Other auxiliary agents of mineral filler 3.0-5.0wt% 0.3-1.0wt%.
Described high molecular bonding resin for aluminum composite panel comprises the raw material of following weight part:
Matrix resin A 55-60wt% dispersion agent 0.2-0.35wt%
Binder resin compatilizer 20-30wt% oxidation inhibitor 0.3-0.5wt%
Tackifying resin 10-15wt% UV light absorber 0.5-1.0wt%
Other auxiliary agents of mineral filler 3.0-3.5wt% 0.3-0.8wt%;
Described high molecular bonding resin for aluminum composite panel comprises following component:
Matrix resin A 60wt% dispersion agent 0.2wt%
Binder resin compatilizer 25wt% oxidation inhibitor 0.3wt%
Tackifying resin 10wt% UV light absorber 0.5wt%
Other auxiliary agents of mineral filler 3.5wt% 0.3wt%;
Described high molecular bonding resin for aluminum composite panel comprises following component:
Matrix resin A 55wt% dispersion agent 0.2wt%
Binder resin compatilizer 30wt% oxidation inhibitor 0.3wt%
Tackifying resin 15wt% UV light absorber 0.5wt%
Other auxiliary agents of mineral filler 3.0wt% 0.8wt%;
Being prepared as follows of described binder resin compatilizer: maleic anhydride MAH and butanone by weight 1: 1～3 mixed dissolutions, are added vinylbenzene, stirring and dissolving, add promotor 2 again, 5-dimethyl-2, two (tert-butyl peroxide) hexanes of 5-get transparent mixed solution after the stirring; Matrix resin B and transparent mixed solution were fed intake by weight 100: 10, under 140-185 ℃, carry out blending reaction and extrude pelletizing, obtain the binder resin compatilizer;
Described matrix resin B is selected from one or more the mixture among linear low density polyethylene LLDPE7050, ethylene-vinyl acetate copolymer EVA28-5, the ethylene-octene copolymer POE5371;
Described matrix resin A is the mixture of linear low density polyethylene LLDPE7050 and ethylene-vinyl acetate copolymer EVA28-5;
Described tackifying resin is selected from one or more the mixture in petroleum resin, staybelite, the terpine resin;
Mineral filler be talcum powder, lime carbonate or magnesia crystal whisker;
Described dispersion agent is stearic acid, Zinic stearas or calcium stearate;
Described oxidation inhibitor is antioxidant 1010, antioxidant 1076 or oxidation inhibitor 225 (commercially available);
Described UV light absorber is ultraviolet absorbent UV-531, UV light absorber UV-329 or UV light absorber 7003 (commercially available);
Described other auxiliary agents are selected from one or more the mixture in EBS lubricant, opening agent, the grafting auxiliary agent; Its split shed agent is amine hydroxybenzene or erucicamide, and the grafting auxiliary agent is vinylbenzene, acetone or butanone
The preparation method of a kind of high molecular bonding resin for aluminum composite panel of the present invention comprises:
(1) preparation of binder resin compatilizer
Maleic anhydride (MAH) and butanone by weight 1: 1～3 stirring and dissolving, are added vinylbenzene, stirring and dissolving, add promotor 2 again, 5-dimethyl-2, two (tert-butyl peroxide) hexanes of 5-, after the stirring transparent mixed solution; Wherein, the weight ratio of vinylbenzene and maleic anhydride is 1: 1,2, and 5-dimethyl-2, the weight ratio of two (tert-butyl peroxide) hexanes of 5-and maleic anhydride is 1: 10;
Matrix resin B and transparent mixed solution were fed intake by weight 100: 10, under 140-185 ℃, carry out blending reaction and extrude pelletizing, obtain the binder resin compatilizer;
(2) preparation of binder resin
According to above-mentioned prescription with matrix resin A, binder resin compatilizer, tackifying resin, mineral filler, dispersion agent, oxidation inhibitor, UV light absorber and other auxiliary agents, mix, carry out through twin screw extruder that frit reaction is extruded, granulation, make the high molecular bonding resin for aluminum composite panel product particle.
The maleic anhydride in the described step (1) and the stirring and dissolving of butanone are meant 50～60 ℃ of constant temperature, stir 6min and thoroughly dissolve;
Twin screw in the described step (2) is extruded and is 140～145 ℃ in twin screw extruder extrusion temperature one district, 150～160 ℃ in two districts, 165～175 ℃ in three districts, 180～185 ℃ in four districts, 185～190 ℃ in five districts, screw speed 10～60HZ.
High molecular bonding resin for aluminum composite panel of the present invention can directly be used the production of aluminium-plastic panel product, or earlier it being blow molded into the production that is used further to the aluminium-plastic panel product behind the polymeric adhesion film, this product can well solve the bonding problem of metallic aluminium and polyethylene sandwich layer in the aluminium-plastic panel preparation.
The present invention will be by the special-purpose compatilizer of preparation binder resin; its functional group content of binder resin compatilizer that adopts polycomponent grafting system to make is moderate and be evenly distributed; strengthened the chemical reaction of binder resin and metallic aluminium surface active groups; realize the chemical bonding between metallic aluminium and the polyethylene sandwich layer; and be aided with suitable tackifying resin; improved the effect of impregnation may of binder resin on the metallic aluminium surface; overcome that non-polar polymer and polarity metal are difficult to the adherent problem in the process of preparation aluminium-plastic panel polymeric adhesion film; thereby improved bonding strength between metallic aluminium and the polyethylene sandwich layer. simultaneously; adopt a spot of mineral filler; improved the intensity of binder resin or binder resin polymeric membrane self on the one hand; help to protect adhesive linkage; mineral filler is dispersed in the binder resin system on the other hand; help to improve the polarity of system; improve the consistency of binder resin and metallic aluminium, thus the bonding strength between also further reinforced metal aluminium and the polyethylene sandwich layer.
Beneficial effect
(1) to have cohesiveness good for high molecular bonding resin for aluminum composite panel of the present invention, easily processing, and advantages such as good film-forming property reach as high as 6.0N/mm, tensile strength 11.0MPa, elongation at break 486%, good mechanical performance to the cohesive strength of metallic aluminium;
(2) this method weak point consuming time, the production efficiency height, easy to use, energy efficient, cost is low, is fit to suitability for industrialized production.
Description of drawings
Fig. 1 is preparation method's process route chart of the present invention
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment 1
Aluminium-plastic panel binder resin prescription (weight ratio):
Matrix resin A
LLDPE7050 40
EVA28-5 20
Binder resin compatilizer 25
Petroleum resin 10
Talcum powder 3.5
Dispersion agent stearic acid 0.2;
Antioxidant 1010 0.3
UV light absorber UV-329 0.5
EBS 0.3
The preparation method of high molecular bonding resin for aluminum composite panel, its steps in sequence is:
(1) preparation of binder resin compatilizer
Took by weighing commercially available maleic anhydride MAH and butanone by weight 1.5: 3,55～60 ℃ of heated constant temperature, stirring 6min thoroughly dissolves, after the cooling, the vinylbenzene stirring and dissolving of weight parts such as adding and MAH adds promotor 2,5-dimethyl-2 again, two (tert-butyl peroxide) hexanes of 5-(promotor: MAH=1: 10 weight ratios), get transparent mixed solution after the stirring and dissolving;
With linear low density polyethylene (LLDPE7050, Saudi Arabia) and transparent mixed solution take by weighing by weight 100: 10, LLDPE7050 adds the extruder feeding hopper, transparent mixed solution adds volume pump, under 140-180 ℃, carry out extruding pelletization, obtain binder resin compatilizer (LLDPE-g-MAH-Co-St) with twin screw extruder;
(2) preparation of high molecular bonding resin
According to the binder resin prescription, with matrix resin A, binder resin compatilizer, dispersion agent, oxidation inhibitor, UV light absorber and other auxiliary agent, mix, through double-screw extruding pelletizing, obtain the high molecular bonding resin for aluminum composite panel particle.Wherein, 140～145 ℃ in forcing machine extrusion temperature one district of binder resin, 150～160 ℃ in two districts, 165～175 ℃ in three districts, 180～185 ℃ in four districts, 185～190 ℃ in five districts, screw speed 25-35HZ.
The high molecular bonding resin performance test
The binder resin performance test comprises outward appearance, functional group content, melting index, and tensile strength, elongation at break, vicat softening temperature, to the bonding strength of metallic aluminium, and film forming properties, the specific performance index test the results are shown in Table 1.
Embodiment 2
Aluminium-plastic panel binder resin prescription (weight ratio):
Matrix resin A
LLDPE7050 40
EVA28-5 15
Binder resin compatilizer 30
Staybelite 15
Lime carbonate 3.0
Dispersion agent Zinic stearas 0.2
Antioxidant 1076 0.3
UV light absorber 7,003 0.5
EBS 0.3
Opening agent amine hydroxybenzene 0.5;
The preparation method of high molecular bonding resin for aluminum composite panel, its steps in sequence is:
(1) preparation of binder resin compatilizer
Took by weighing commercially available maleic anhydride MAH and butanone by weight 1.0: 2.5,55～60 ℃ of heated constant temperature, stirring 6min thoroughly dissolves, after the cooling, the vinylbenzene stirring and dissolving of weight parts such as adding and MAH adds promotor 2,5-dimethyl-2 again, two (tert-butyl peroxide) hexanes of 5-(promotor: MAH=1: 10 weight ratios), get transparent mixed solution after the stirring and dissolving;
With linear low density polyethylene (LLDPE7050, Saudi Arabia) and transparent mixed solution take by weighing by weight 100: 10, LLDPE7050 adds the extruder feeding hopper, transparent mixed solution adds volume pump, under 140-180 ℃, carry out extruding pelletization, obtain binder resin compatilizer (LLDPE-g-MAH-Co-St) with twin screw extruder;
(2) preparation of high molecular bonding resin
According to the binder resin prescription, with matrix resin A, binder resin compatilizer, dispersion agent, oxidation inhibitor, UV light absorber and other auxiliary agent, mix, through double-screw extruding pelletizing, obtain the high molecular bonding resin for aluminum composite panel particle.Wherein, 140～145 ℃ in forcing machine extrusion temperature one district of binder resin, 150～160 ℃ in two districts, 165～175 ℃ in three districts, 180～185 ℃ in four districts, 185～190 ℃ in five districts, screw speed 25-35HZ.
The high molecular bonding resin performance test
The binder resin performance test comprises outward appearance, functional group content, melting index, and tensile strength, elongation at break, vicat softening temperature, to the bonding strength of metallic aluminium, and film forming properties, the specific performance index test the results are shown in Table 1.
Embodiment 3
Aluminium-plastic panel binder resin prescription (weight ratio):
Matrix resin A
LLDPE7050 40
EVA28-5 15
Binder resin compatilizer 20
Staybelite 8
Petroleum resin 5
Lime carbonate 3.0
Dispersion agent calcium stearate 0.25
Antioxidant 1076 0.3
UV light absorber UV-321 0.5
EBS 0.3
Opening agent erucicamide 0.5;
Grafting auxiliary agent butanone 0.2;
The preparation method of high molecular bonding resin for aluminum composite panel, its steps in sequence is:
(1) preparation of binder resin compatilizer
Took by weighing commercially available maleic anhydride MAH and butanone by weight 2.0: 3.0, heated constant temperature～60 ℃, stirring 6min thoroughly dissolves, after the cooling, the vinylbenzene stirring and dissolving of weight parts such as adding and MAH adds promotor 2,5-dimethyl-2 again, two (tert-butyl peroxide) hexanes of 5-(promotor: MAH=1: 10 weight ratios), get transparent mixed solution after the stirring and dissolving;
With linear low density polyethylene (LLDPE7050, Saudi Arabia) and transparent mixed solution take by weighing by weight 100: 10, LLDPE7050 adds the extruder feeding hopper, transparent mixed solution adds volume pump, under 140-180 ℃, carry out extruding pelletization, obtain binder resin compatilizer (LLDPE-g-MAH-Co-St) with twin screw extruder;
(2) preparation of high molecular bonding resin
According to the binder resin prescription, with matrix resin A, binder resin compatilizer, dispersion agent, oxidation inhibitor, UV light absorber and other auxiliary agent, mix, through double-screw extruding pelletizing, obtain the high molecular bonding resin for aluminum composite panel particle.Wherein, 140～145 ℃ in forcing machine extrusion temperature one district of binder resin, 150～160 ℃ in two districts, 165～175 ℃ in three districts, 180～185 ℃ in four districts, 185～190 ℃ in five districts, screw speed 25-35HZ.
The high molecular bonding resin performance test
The binder resin performance test comprises outward appearance, functional group content, melting index, and tensile strength, elongation at break, vicat softening temperature, to the bonding strength of metallic aluminium, and film forming properties, the specific performance index test the results are shown in Table 1.
Embodiment 4
Aluminium-plastic panel binder resin prescription (weight ratio):
Matrix resin A
LLDPE7050 40
EVA28-5 15
Binder resin compatilizer 30
Staybelite 8
Petroleum resin 5
Talcum powder 3.5
Dispersion agent stearic acid 0.3
Antioxidant 1076 0.3
Ultraviolet absorbent UV-531 0.5
EBS 0.3
Opening agent erucicamide 0.5
Grafting auxiliary agent acetone 0.1;
The preparation method of high molecular bonding resin for aluminum composite panel, its steps in sequence is:
(1) preparation of binder resin compatilizer
Took by weighing commercially available maleic anhydride MAH and butanone by weight 2.0: 3.0,55～60 ℃ of heated constant temperature, stirring 6min thoroughly dissolves, after the cooling, the vinylbenzene stirring and dissolving of weight parts such as adding and MAH adds promotor 2,5-dimethyl-2 again, two (tert-butyl peroxide) hexanes of 5-(promotor: MAH=1: 10 weight ratios), get transparent mixed solution after the stirring and dissolving;
With linear low density polyethylene (LLDPE7050, Saudi Arabia) and transparent mixed solution take by weighing by weight 100: 10, LLDPE7050 adds the extruder feeding hopper, transparent mixed solution adds volume pump, under 140-180 ℃, carry out extruding pelletization, obtain binder resin compatilizer (LLDPE-g-MAH-Co-St) with twin screw extruder;
(2) preparation of high molecular bonding resin
According to the binder resin prescription, with matrix resin A, binder resin compatilizer, dispersion agent, oxidation inhibitor, UV light absorber and other auxiliary agent, mix, through double-screw extruding pelletizing, obtain the high molecular bonding resin for aluminum composite panel particle.Wherein, 140～145 ℃ in forcing machine extrusion temperature one district of binder resin, 150～160 ℃ in two districts, 165～175 ℃ in three districts, 180～185 ℃ in four districts, 185～190 ℃ in five districts, screw speed 25-35HZ.
The high molecular bonding resin performance test
The binder resin performance test comprises outward appearance, functional group content, melting index, and tensile strength, elongation at break, vicat softening temperature, to the bonding strength of metallic aluminium, and film forming properties, the specific performance index test the results are shown in Table 1.
Embodiment 5
Aluminium-plastic panel binder resin prescription (weight ratio):
Matrix resin A
LLDPE7050 40
EVA28-5 15
Binder resin compatilizer 25
Staybelite 8
Petroleum resin 5
Talcum powder 3
Dispersion agent calcium stearate 0.25
Antioxidant 1076 0.3
Ultraviolet absorbent UV-531 0.5
EBS 0.3
Opening agent amine hydroxybenzene 0.5
Grafting auxiliary agent vinylbenzene 0.2;
The preparation method of high molecular bonding resin for aluminum composite panel, its steps in sequence is:
(1) preparation of binder resin compatilizer
Took by weighing commercially available maleic anhydride MAH and butanone by weight 2.0: 3.0, heated constant temperature～60 ℃, stirring 6min thoroughly dissolves, after the cooling, the vinylbenzene stirring and dissolving of weight parts such as adding and MAH adds promotor 2,5-dimethyl-2 again, two (tert-butyl peroxide) hexanes of 5-(promotor: MAH=1: 10 weight ratios), get transparent mixed solution after the stirring and dissolving;
With linear low density polyethylene (LLDPE7050, Saudi Arabia), ethylene-octene copolymer (POE5371, the U.S.) and transparent mixed solution take by weighing by weight 70: 30: 10, LLDPE7050 and POE5371 add the extruder feeding hopper, transparent mixed solution adds volume pump, under 140-180 ℃, carry out extruding pelletization, obtain binder resin compatilizer (LLDPE-g-MAH-Co-St) with twin screw extruder;
(2) preparation of high molecular bonding resin
According to the binder resin prescription, with matrix resin A, binder resin compatilizer, dispersion agent, oxidation inhibitor, UV light absorber and other auxiliary agent, mix, through double-screw extruding pelletizing, obtain the high molecular bonding resin for aluminum composite panel particle.Wherein, 140～145 ℃ in forcing machine extrusion temperature one district of binder resin, 150～160 ℃ in two districts, 165～175 ℃ in three districts, 180～185 ℃ in four districts, 185～190 ℃ in five districts, screw speed 25-35HZ.
The high molecular bonding resin performance test
The binder resin performance test comprises outward appearance, functional group content, melting index, and tensile strength, elongation at break, vicat softening temperature, to the bonding strength of metallic aluminium, and film forming properties, the specific performance index test the results are shown in Table 1.
Embodiment 6
Table 1 high molecular bonding resin for aluminum composite panel The performance test results
Claims (10)
1. high molecular bonding resin for aluminum composite panel comprises the raw material of following weight part:
Matrix resin A 50-65wt% dispersion agent 0.2-1.0wt%
Binder resin compatilizer 15-30wt% oxidation inhibitor 0.3-1.0wt%
Tackifying resin 10-15wt% UV light absorber 0.5-1.5wt%
Other auxiliary agents of mineral filler 3.0-5.0wt% 0.3-1.0wt%.
2. a kind of high molecular bonding resin for aluminum composite panel according to claim 1 is characterized in that: described high molecular bonding resin for aluminum composite panel comprises the raw material of following weight part:
Matrix resin A 55-60wt% dispersion agent 0.2-0.35wt%
Binder resin compatilizer 20-30wt% oxidation inhibitor 0.3-0.5wt%
Tackifying resin 10-15wt% UV light absorber 0.5-1.0wt%
Other auxiliary agents of mineral filler 3.0-3.5wt% 0.3-0.8wt%.
3. a kind of high molecular bonding resin for aluminum composite panel according to claim 1 is characterized in that: described high molecular bonding resin for aluminum composite panel comprises following component:
Matrix resin A 60wt% dispersion agent 0.2wt%
Binder resin compatilizer 25wt% oxidation inhibitor 0.3wt%
Tackifying resin 10wt% UV light absorber 0.5wt%
Other auxiliary agents of mineral filler 3.5wt% 0.3wt%.
4. a kind of high molecular bonding resin for aluminum composite panel according to claim 1 is characterized in that: described high molecular bonding resin for aluminum composite panel comprises following component:
Matrix resin A 55wt% dispersion agent 0.2wt%
Binder resin compatilizer 30wt% oxidation inhibitor 0.3wt%
Tackifying resin 15wt% UV light absorber 0.5wt%
Other auxiliary agents of mineral filler 3.0wt% 0.8wt%.
5. a kind of high molecular bonding resin for aluminum composite panel according to claim 1 is characterized in that: described matrix resin A is the mixture of linear low density polyethylene LLDPE7050 and ethylene-vinyl acetate copolymer EVA28-5; Described tackifying resin is selected from one or more the mixture in petroleum resin, staybelite, the terpine resin; Mineral filler be talcum powder, lime carbonate or magnesia crystal whisker; Described dispersion agent is stearic acid, Zinic stearas or calcium stearate; Described other auxiliary agents are selected from one or more the mixture in EBS lubricant, opening agent, the grafting auxiliary agent; Its split shed agent is amine hydroxybenzene or erucicamide, and the grafting auxiliary agent is vinylbenzene, acetone or butanone.
6. a kind of high molecular bonding resin for aluminum composite panel according to claim 1, it is characterized in that: being prepared as follows of described binder resin compatilizer: with maleic anhydride MAH and butanone by weight 1: 1～3 mixed dissolutions, add vinylbenzene, stirring and dissolving, add promotor 2 again, 5-dimethyl-2, two (tert-butyl peroxide) hexanes of 5-get transparent mixed solution after the stirring; Matrix resin B and transparent mixed solution were fed intake by weight 100: 10, under 140-185 ℃, carry out blending reaction and extrude pelletizing, obtain the binder resin compatilizer.
7. a kind of high molecular bonding resin for aluminum composite panel according to claim 6 is characterized in that: described matrix resin B is selected from one or more the mixture in linear low density polyethylene, ethylene-vinyl acetate copolymer, the ethylene-octene copolymer.
8. the preparation method of a high molecular bonding resin for aluminum composite panel comprises:
(1) preparation of binder resin compatilizer
Maleic anhydride MAH and butanone by weight 1: 1～3 stirring and dissolving, are added vinylbenzene, stirring and dissolving, add promotor 2 again, 5-dimethyl-2, two (tert-butyl peroxide) hexanes of 5-, after the stirring transparent mixed solution; Wherein, the weight ratio of vinylbenzene and maleic anhydride is 1: 1,2, and 5-dimethyl-2, the weight ratio of two (tert-butyl peroxide) hexanes of 5-and maleic anhydride is 1: 10;
Matrix resin B and transparent mixed solution were fed intake by weight 100: 10, under 140-185 ℃, carry out blending reaction and extrude pelletizing, obtain the binder resin compatilizer;
(2) preparation of binder resin
According to above-mentioned prescription with matrix resin A, binder resin compatilizer, tackifying resin, mineral filler, dispersion agent, oxidation inhibitor, UV light absorber and other auxiliary agents, mix, carry out through twin screw extruder that frit reaction is extruded, granulation, make the high molecular bonding resin for aluminum composite panel product particle.
9. the preparation method of a kind of high molecular bonding resin for aluminum composite panel according to claim 8, it is characterized in that: the maleic anhydride in the described step (1) and the stirring and dissolving of butanone are meant 50～60 ℃ of constant temperature, stir 6min and thoroughly dissolve.
10. the preparation method of a kind of high molecular bonding resin for aluminum composite panel according to claim 8, it is characterized in that: the twin screw in the described step (2) is extruded and is 140～145 ℃ in twin screw extruder extrusion temperature one district, 150～160 ℃ in two districts, 165～175 ℃ in three districts, 180～185 ℃ in four districts, 185～190 ℃ in five districts, screw speed 10～60HZ.
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| WO2021253611A1 (en) * | 2020-06-15 | 2021-12-23 | 杭州福斯特应用材料股份有限公司 | Adhesive film, composition for forming same and electronic device |
| CN112724499A (en) * | 2020-12-28 | 2021-04-30 | 广东金发科技有限公司 | Special functional PE-based laminating material and preparation method and application thereof |
| CN113512151A (en) * | 2021-09-13 | 2021-10-19 | 北京能之光科技有限公司 | Adhesive resin |
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