CN107266846A - A kind of low temperature resistant polypropylene glue and preparation method thereof - Google Patents
A kind of low temperature resistant polypropylene glue and preparation method thereof Download PDFInfo
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- CN107266846A CN107266846A CN201710656057.0A CN201710656057A CN107266846A CN 107266846 A CN107266846 A CN 107266846A CN 201710656057 A CN201710656057 A CN 201710656057A CN 107266846 A CN107266846 A CN 107266846A
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- C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
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Abstract
The invention is related to a kind of low temperature resistant polypropylene glue, including following raw material components：Styrene-modified polypropylene, Isooctyl acrylate monomer modified SEBS, liquid polyisoprene rubber modified pitch, butyl acrylate modification ethylene-vinyl acetate copolymer, RX 80, silica gel, the different certain herbaceous plants with big flowers ester of pentaerythritol diphosphite two, zinc stearate, styrene-modified polypropylene is by polypropylene, oxalic acid, sodium fluoride, styrene, the reaction of second alcohol and water is made, Isooctyl acrylate monomer modified SEBS is by SEBS, Isooctyl acrylate monomer, acrylic acid, sodium chloride, water and isopropanol reaction are made, liquid polyisoprene rubber modified pitch is by pitch, liquid polyisoprene rubber and meso-porous alumina reaction are made, butyl acrylate modification ethylene-vinyl acetate copolymer is by ethylene-vinyl acetate copolymer, butyl acrylate, hydrogen peroxide and isopropanol reaction are made.The invention has excellent resistance to low temperature and adhesion strength.
Description
Technical field
The invention is related to a kind of low temperature resistant polypropylene glue and preparation method thereof.
Background technology
Polypropylene is a kind of crystalline polymer, with tasteless, nontoxic thermoplastic resin, and polypropylene has excellent resist
The performances such as impact strength, easy processing, electrical insulating property, flex stiffiness, polypropylene is widely used in electronics, building materials household, automobile work
The fields such as industry, packaging, household electrical appliance.
At present, polypropylene material needs further lifting in resistance to low temperature and adhesion strength.The invention uses styrene
Modified polypropene, Isooctyl acrylate monomer modified SEBS, liquid polyisoprene rubber modified pitch, butyl acrylate modification second
Alkene-acetate ethylene copolymer, RX-80, silica gel are prepared for low temperature resistant polypropylene glue, pass through the works such as extrusion, injection, molding, blowing
Skill is prepared into various plastic products, and low temperature resistant polypropylene glue prepared by this method has excellent resistance to low temperature and bonded strong
Degree.
The content of the invention
The purpose of the invention is to provide a kind of preparation method of low temperature resistant polypropylene glue, and this method is by changing reactant
Raw material and technology mode, the material of preparation have excellent resistance to low temperature and adhesion strength.
To achieve these goals, the technical scheme of the invention is as follows.
A kind of low temperature resistant polypropylene glue and preparation method thereof, specifically includes following steps：(1), ethene-vinyl acetate is total to
Polymers, butyl acrylate, hydrogen peroxide and isopropanol are 70 according to quality parts ratio：37~50：17~27：86~100 add
Into high-speed mixer, mixing speed is 1000~1300r/min, reacts 0.6h under the conditions of 70~90 DEG C of maintenance system temperature,
0.5h is dried under reduced pressure through 105 DEG C, -0.09MPa, butyl acrylate modification ethylene-vinyl acetate copolymer is obtained；(2), will drip
Blue or green, liquid polyisoprene rubber and meso-porous alumina are according to quality parts ratio 50：27~40：23~35 are added to mixed at high speed
In machine, mixing speed is 1100~1500r/min, reacts 0.5h under the conditions of 55~70 DEG C of maintenance system temperature, obtains liquid and gathers
Isoprene rubber modified pitch；(3), by SEBS, Isooctyl acrylate monomer, acrylic acid, sodium chloride, water and isopropanol according to quality
Portion rate 50：25~37：8~15：12~17：8~16：51~73 are added in high-speed mixer, mixing speed be 800~
0.7h is reacted under the conditions of 1000r/min, 95~110 DEG C of maintenance system temperature, 1h is dried in vacuo through 105 DEG C, -0.08MPa, i.e.,
Obtain Isooctyl acrylate monomer modified SEBS；(4), by polypropylene, oxalic acid, sodium fluoride, styrene, second alcohol and water according to mass fraction
Than 60：45~60：15~25：10~23：73~97：9~17 are added in reactor, and mixing speed is 50~70r/min, dimension
Hold and react 0.6h under the conditions of 35~50 DEG C of system temperature, through 500mL water washings 3 times, 500mL ethanol washs 3 times, 85 DEG C ,-
0.09MPa is dried in vacuo 1.5h, that is, obtains styrene-modified polypropylene；(5) it is, that styrene-modified polypropylene, acrylic acid is different pungent
Ester modified SEBS, liquid polyisoprene rubber modified pitch, butyl acrylate modification ethylene-vinyl acetate copolymer, RX-
80th, the different certain herbaceous plants with big flowers ester of silica gel, pentaerythritol diphosphite two, zinc stearate are according to quality parts ratio 80：34~49：15~27：20
~35：3~9：7~14：3~9：6~10 are added in high-speed mixer, with high-speed mixer in 198~230 DEG C of extrusions of temperature
Granulation, that is, obtain low temperature resistant polypropylene glue.
The preparation method of low temperature resistant polypropylene glue described in the invention, comprises the following steps：
(1) it is, 70 according to quality parts ratio by ethylene-vinyl acetate copolymer, butyl acrylate, hydrogen peroxide and isopropanol：
37~50：17~27：86~100 are added in high-speed mixer, and mixing speed is 1000~1300r/min, maintenance system temperature
0.6h is reacted under the conditions of 70~90 DEG C of degree, 0.5h is dried under reduced pressure through 105 DEG C, -0.09MPa, obtains butyl acrylate modification second
Alkene-acetate ethylene copolymer；The purpose of described ethylene-vinyl acetate copolymer is in order to improve polyacrylic resistance to low temperature；
The purpose of described butyl acrylate is in order to improve polyacrylic pressure-sensitive.
(2), by pitch, liquid polyisoprene rubber and meso-porous alumina according to quality parts ratio 50：27~40：23~
35 are added in high-speed mixer, and mixing speed is 1100~1500r/min, anti-under the conditions of 55~70 DEG C of maintenance system temperature
0.5h is answered, liquid polyisoprene rubber modified pitch is obtained；Described pitch and the purpose of liquid polyisoprene rubber are
The polyacrylic resistance to low temperature of raising and adhesion strength；The purpose of described meso-porous alumina is polyacrylic resistance to low in order to improve
Warm nature energy.
(3), by SEBS, Isooctyl acrylate monomer, acrylic acid, sodium chloride, water and isopropanol according to quality parts ratio 50：25~
37：8~15：12~17：8~16：51~73 are added in high-speed mixer, and mixing speed is 800~1000r/min, is maintained
0.7h is reacted under the conditions of 95~110 DEG C of system temperature, 1h is dried in vacuo through 105 DEG C, -0.08MPa, that is, obtains acrylic acid different pungent
Ester modified SEBS；Described SEBS and the purpose of Isooctyl acrylate monomer is strong in order to improve polyacrylic resistance to low temperature and bonding
Degree.
(4), by polypropylene, oxalic acid, sodium fluoride, styrene, second alcohol and water according to quality parts ratio 60：45~60：15~
25：10~23：73~97：9~17 are added in reactor, and mixing speed is 50~70r/min, maintenance system temperature 35~50
0.6h is reacted under the conditions of DEG C, through 500mL water washings 3 times, 500mL ethanol is washed 3 times, 85 DEG C, -0.09MPa vacuum drying 1.5h,
Obtain styrene-modified polypropylene；Described oxalic acid and the purpose of sodium fluoride are in order to polypropylene surface progress microcorrosion；Institute
The purpose for the styrene stated has photochemical activity to assign polypropylene.
(5), styrene-modified polypropylene, Isooctyl acrylate monomer modified SEBS, liquid polyisoprene rubber are modified and dripped
It is green grass or young crops, butyl acrylate modification ethylene-vinyl acetate copolymer, RX-80, silica gel, the different certain herbaceous plants with big flowers ester of pentaerythritol diphosphite two, hard
Resin acid zinc is according to quality parts ratio 80：34~49：15~27：20~35：3~9：7~14：3~9：6~10, which are added to high speed, mixes
In conjunction machine, with high-speed mixer in 198~230 DEG C of extruding pelletizations of temperature, that is, low temperature resistant polypropylene glue is obtained；Described RX-80
Purpose in order to improve polyacrylic pliability；The purpose of described silica gel is in order to improve polyacrylic resistance to low temperature.
The beneficial effect of the invention is：
1st, ethylene-vinyl acetate copolymer passes through hydrogen peroxide treatment, can improve the work of ethylene-vinyl acetate copolymer surface chemistry
Property, it can be reacted with butyl acrylate, polyacrylic resistance to low temperature can not only be improved, moreover it is possible to improve polyacrylic pressure-sensitive spy
Property and bonding characteristic；
2nd, pitch, liquid polyisoprene rubber have relatively low glass transition temperature and surface viscosity, can not only improve poly-
The resistance to low temperature of propylene, moreover it is possible to improve polyacrylic adhesion strength；Meso-porous alumina has microcellular structure, can be with pitch, liquid
Body polyisoprene rubber produces synergy, improves polyacrylic adhesion strength；
3rd, SEBS can be carried out after microcorrosion, energy and Isooctyl acrylate monomer after sodium chloride and propylene acid treatment to SEBS surfaces
React, polyacrylic resistance to low temperature can not only be improved, moreover it is possible to improve polyacrylic pressure-sensitive and bonding characteristic；
4th, polypropylene can be carried out after microcorrosion to polypropylene surface, can occurred with styrene after oxalic acid and sodium fluoride processing
Reaction, can improve polyacrylic photochemical activity；
5th, RX-80 has excellent softening performance, can improve polyacrylic pliability；Silica gel has excellent resistance to low temperature,
Polyacrylic resistance to low temperature can be improved.
Embodiment
The embodiment of the invention is described with reference to embodiment, to be better understood from the invention.
Embodiment 1
A kind of low temperature resistant polypropylene glue, its preparation method comprises the following steps：
(1) 70 parts of ethylene-vinyl acetate copolymers, 41 parts of butyl acrylates, 23 parts of hydrogen peroxide and 91 parts of isopropanols, are weighed to add
Enter into high-speed mixer, mixing speed is to react 0.6h under the conditions of 1200r/min, 79 DEG C of maintenance system temperature, through 105 DEG C ,-
0.09MPa is dried under reduced pressure 0.5h, obtains butyl acrylate modification ethylene-vinyl acetate copolymer；
(2) 50 parts of pitches, 32 parts of liquid polyisoprene rubbers and 31 parts of meso-porous aluminas, are weighed and are added to high-speed mixer
In, mixing speed is to react 0.5h under the conditions of 1250r/min, 60 DEG C of maintenance system temperature, obtains liquid polyisoprene rubber
Modified pitch；
(3) 50 parts of SEBS, 34 parts of Isooctyl acrylate monomers, 12 parts of acrylic acid, 15 parts of sodium chloride, 10 parts of water and 65 parts of isopropyls, are weighed
Alcohol is added in high-speed mixer, and mixing speed is to react 0.7h under the conditions of 900r/min, 105 DEG C of maintenance system temperature, is passed through
105 DEG C, -0.08MPa vacuum drying 1h, that is, obtain Isooctyl acrylate monomer modified SEBS；
(4) 60 parts of polypropylene, 53 parts of oxalic acid, 19 parts of sodium fluorides, 17 parts of styrene, 83 parts of ethanol and 13 parts of water, are weighed to be added to
In reactor, mixing speed is to react 0.6h under the conditions of 60r/min, 40 DEG C of maintenance system temperature, through 500mL water washings 3 times,
500mL ethanol is washed 3 times, and 85 DEG C, -0.09MPa vacuum drying 1.5h obtain styrene-modified polypropylene；
(5) 80 parts of styrene-modified polypropylenes, 43 parts of Isooctyl acrylate monomer modified SEBSs, 22 parts of liquid polyisoprenes, are weighed
Rubber modified asphalt, 31 parts of butyl acrylate modification ethylene-vinyl acetate copolymers, 5 parts of RX-80,12 parts of silica gel, 6 part of two Asia
The different certain herbaceous plants with big flowers ester of Pentaerythritol phosphate two, 9 parts of zinc stearates are added in high-speed mixer, with high-speed mixer in 215 DEG C of temperature
Extruding pelletization, that is, obtain low temperature resistant polypropylene glue.
Embodiment 2
A kind of low temperature resistant polypropylene glue, its preparation method comprises the following steps：
(1) 70 parts of ethylene-vinyl acetate copolymers, 37 parts of butyl acrylates, 17 parts of hydrogen peroxide and 86 parts of isopropanols, are weighed to add
Enter into high-speed mixer, mixing speed is to react 0.6h under the conditions of 1000r/min, 70 DEG C of maintenance system temperature, through 105
DEG C, -0.09MPa be dried under reduced pressure 0.5h, obtain butyl acrylate modification ethylene-vinyl acetate copolymer；
(2) 50 parts of pitches, 27 parts of liquid polyisoprene rubbers and 23 parts of meso-porous aluminas, are weighed and are added to high-speed mixer
In, mixing speed is to react 0.5h under the conditions of 1100r/min, 55 DEG C of maintenance system temperature, obtains liquid polyisoprene rubber
Modified pitch；
(3) 50 parts of SEBS, 25 parts of Isooctyl acrylate monomers, 8 parts of acrylic acid, 12 parts of sodium chloride, 8 parts of water and 51 parts of isopropanols, are weighed
It is added in high-speed mixer, mixing speed is to react 0.7h under the conditions of 800r/min, 95 DEG C of maintenance system temperature, through 105
DEG C, -0.08MPa vacuum drying 1h, that is, obtain Isooctyl acrylate monomer modified SEBS；
(4) 60 parts of polypropylene, 45 parts of oxalic acid, 15 parts of sodium fluorides, 10 parts of styrene, 73 parts of ethanol and 9 parts of water, are weighed to be added to instead
Answer in kettle, mixing speed is to react 0.6h under the conditions of 50r/min, 35 DEG C of maintenance system temperature, through 500mL water washings 3 times,
500mL ethanol is washed 3 times, and 85 DEG C, -0.09MPa vacuum drying 1.5h obtain styrene-modified polypropylene；
(5) 80 parts of styrene-modified polypropylenes, 34 parts of Isooctyl acrylate monomer modified SEBSs, 15 parts of liquid polyisoprenes, are weighed
Rubber modified asphalt, 20 parts of butyl acrylate modification ethylene-vinyl acetate copolymers, 3 parts of RX-80,7 parts of silica gel, 3 part of two phosphorous
The sour different certain herbaceous plants with big flowers ester of pentaerythritol ester two, 6 parts of zinc stearates are added in high-speed mixer, are squeezed for 198 DEG C in temperature with high-speed mixer
Go out granulation, that is, obtain low temperature resistant polypropylene glue.
Embodiment 3
A kind of low temperature resistant polypropylene glue, its preparation method comprises the following steps：
(1) 70 parts of ethylene-vinyl acetate copolymers, 50 parts of butyl acrylates, 27 parts of hydrogen peroxide and 100 parts of isopropanols, are weighed
It is added in high-speed mixer, mixing speed is to react 0.6h under the conditions of 1300r/min, 90 DEG C of maintenance system temperature, through 105
DEG C, -0.09MPa be dried under reduced pressure 0.5h, obtain butyl acrylate modification ethylene-vinyl acetate copolymer；
(2) 50 parts of pitches, 40 parts of liquid polyisoprene rubbers and 35 parts of meso-porous aluminas, are weighed and are added to high-speed mixer
In, mixing speed is to react 0.5h under the conditions of 1500r/min, 70 DEG C of maintenance system temperature, obtains liquid polyisoprene rubber
Modified pitch；
(3) 50 parts of SEBS, 37 parts of Isooctyl acrylate monomers, 15 parts of acrylic acid, 17 parts of sodium chloride, 16 parts of water and 73 parts of isopropyls, are weighed
Alcohol is added in high-speed mixer, and mixing speed is to react 0.7h under the conditions of 1000r/min, 110 DEG C of maintenance system temperature, is passed through
105 DEG C, -0.08MPa vacuum drying 1h, that is, obtain Isooctyl acrylate monomer modified SEBS；
(4) 60 parts of polypropylene, 60 parts of oxalic acid, 25 parts of sodium fluorides, 23 parts of styrene, 97 parts of ethanol and 17 parts of water, are weighed to be added to
In reactor, mixing speed is to react 0.6h under the conditions of 70r/min, 50 DEG C of maintenance system temperature, through 500mL water washings 3 times,
500mL ethanol is washed 3 times, and 85 DEG C, -0.09MPa vacuum drying 1.5h obtain styrene-modified polypropylene；
(5) 80 parts of styrene-modified polypropylenes, 49 parts of Isooctyl acrylate monomer modified SEBSs, 27 parts of liquid polyisoprenes, are weighed
Rubber modified asphalt, 35 parts of butyl acrylate modification ethylene-vinyl acetate copolymers, 9 parts of RX-80,14 parts of silica gel, 9 part of two Asia
The different certain herbaceous plants with big flowers ester of Pentaerythritol phosphate two, 10 parts of zinc stearates are added in high-speed mixer, with high-speed mixer in 230 DEG C of temperature
Extruding pelletization, that is, obtain low temperature resistant polypropylene glue.
Embodiment 4
A kind of low temperature resistant polypropylene glue, its preparation method comprises the following steps：
(1) 70 parts of ethylene-vinyl acetate copolymers, 40 parts of butyl acrylates, 20 parts of hydrogen peroxide and 90 parts of isopropanols, are weighed to add
Enter into high-speed mixer, mixing speed is to react 0.6h under the conditions of 1200r/min, 80 DEG C of maintenance system temperature, through 105
DEG C, -0.09MPa be dried under reduced pressure 0.5h, obtain butyl acrylate modification ethylene-vinyl acetate copolymer；
(2) 50 parts of pitches, 30 parts of liquid polyisoprene rubbers and 28 parts of meso-porous aluminas, are weighed and are added to high-speed mixer
In, mixing speed is to react 0.5h under the conditions of 1300r/min, 60 DEG C of maintenance system temperature, obtains liquid polyisoprene rubber
Modified pitch；
(3) 50 parts of SEBS, 30 parts of Isooctyl acrylate monomers, 12 parts of acrylic acid, 16 parts of sodium chloride, 14 parts of water and 63 parts of isopropyls, are weighed
Alcohol is added in high-speed mixer, and mixing speed is to react 0.7h under the conditions of 850r/min, 103 DEG C of maintenance system temperature, is passed through
105 DEG C, -0.08MPa vacuum drying 1h, that is, obtain Isooctyl acrylate monomer modified SEBS；
(4) 60 parts of polypropylene, 53 parts of oxalic acid, 21 parts of sodium fluorides, 18 parts of styrene, 91 parts of ethanol and 13 parts of water, are weighed to be added to
In reactor, mixing speed is to react 0.6h under the conditions of 58r/min, 39 DEG C of maintenance system temperature, through 500mL water washings 3 times,
500mL ethanol is washed 3 times, and 85 DEG C, -0.09MPa vacuum drying 1.5h obtain styrene-modified polypropylene；
(5) 80 parts of styrene-modified polypropylenes, 45 parts of Isooctyl acrylate monomer modified SEBSs, 25 parts of liquid polyisoprenes, are weighed
Rubber modified asphalt, 29 parts of butyl acrylate modification ethylene-vinyl acetate copolymers, 7 parts of RX-80,11 parts of silica gel, 6 part of two Asia
The different certain herbaceous plants with big flowers ester of Pentaerythritol phosphate two, 9 parts of zinc stearates are added in high-speed mixer, with high-speed mixer in 207 DEG C of temperature
Extruding pelletization, that is, obtain low temperature resistant polypropylene glue.
Embodiment 5
A kind of low temperature resistant polypropylene glue, its preparation method comprises the following steps：
(1) 70 parts of ethylene-vinyl acetate copolymers, 43 parts of butyl acrylates, 25 parts of hydrogen peroxide and 96 parts of isopropanols, are weighed to add
Enter into high-speed mixer, mixing speed is to react 0.6h under the conditions of 1150r/min, 78 DEG C of maintenance system temperature, through 105
DEG C, -0.09MPa be dried under reduced pressure 0.5h, obtain butyl acrylate modification ethylene-vinyl acetate copolymer；
(2) 50 parts of pitches, 35 parts of liquid polyisoprene rubbers and 33 parts of meso-porous aluminas, are weighed and are added to high-speed mixer
In, mixing speed is to react 0.5h under the conditions of 1150r/min, 66 DEG C of maintenance system temperature, obtains liquid polyisoprene rubber
Modified pitch；
(3) 50 parts of SEBS, 31 parts of Isooctyl acrylate monomers, 12 parts of acrylic acid, 14 parts of sodium chloride, 14 parts of water and 73 parts of isopropyls, are weighed
Alcohol is added in high-speed mixer, and mixing speed is to react 0.7h under the conditions of 880r/min, 99 DEG C of maintenance system temperature, through 105
DEG C, -0.08MPa vacuum drying 1h, that is, obtain Isooctyl acrylate monomer modified SEBS；
(4) 60 parts of polypropylene, 52 parts of oxalic acid, 21 parts of sodium fluorides, 19 parts of styrene, 79 parts of ethanol and 15 parts of water, are weighed to be added to
In reactor, mixing speed is to react 0.6h under the conditions of 68r/min, 37 DEG C of maintenance system temperature, through 500mL water washings 3 times,
500mL ethanol is washed 3 times, and 85 DEG C, -0.09MPa vacuum drying 1.5h obtain styrene-modified polypropylene；
(5) 80 parts of styrene-modified polypropylenes, 46 parts of Isooctyl acrylate monomer modified SEBSs, 17 parts of liquid polyisoprenes, are weighed
Rubber modified asphalt, 32 parts of butyl acrylate modification ethylene-vinyl acetate copolymers, 7 parts of RX-80,12 parts of silica gel, 7 part of two Asia
The different certain herbaceous plants with big flowers ester of Pentaerythritol phosphate two, 8 parts of zinc stearates are added in high-speed mixer, with high-speed mixer in 213 DEG C of temperature
Extruding pelletization, that is, obtain low temperature resistant polypropylene glue.
Embodiment 6
A kind of low temperature resistant polypropylene glue, its preparation method comprises the following steps：
(1) 70 parts of ethylene-vinyl acetate copolymers, 43 parts of butyl acrylates, 23 parts of hydrogen peroxide and 97 parts of isopropanols, are weighed to add
Enter into high-speed mixer, mixing speed is to react 0.6h under the conditions of 1150r/min, 73 DEG C of maintenance system temperature, through 105
DEG C, -0.09MPa be dried under reduced pressure 0.5h, obtain butyl acrylate modification ethylene-vinyl acetate copolymer；
(2) 50 parts of pitches, 36 parts of liquid polyisoprene rubbers and 32 parts of meso-porous aluminas, are weighed and are added to high-speed mixer
In, mixing speed is to react 0.5h under the conditions of 1255r/min, 64 DEG C of maintenance system temperature, obtains liquid polyisoprene rubber
Modified pitch；
(3) 50 parts of SEBS, 34 parts of Isooctyl acrylate monomers, 11 parts of acrylic acid, 13 parts of sodium chloride, 10 parts of water and 65 parts of isopropyls, are weighed
Alcohol is added in high-speed mixer, and mixing speed is to react 0.7h under the conditions of 980r/min, 109 DEG C of maintenance system temperature, is passed through
105 DEG C, -0.08MPa vacuum drying 1h, that is, obtain Isooctyl acrylate monomer modified SEBS；
(4) 60 parts of polypropylene, 55 parts of oxalic acid, 20 parts of sodium fluorides, 15 parts of styrene, 95 parts of ethanol and 13 parts of water, are weighed to be added to
In reactor, mixing speed is to react 0.6h under the conditions of 65r/min, 47 DEG C of maintenance system temperature, through 500mL water washings 3 times,
500mL ethanol is washed 3 times, and 85 DEG C, -0.09MPa vacuum drying 1.5h obtain styrene-modified polypropylene；
(5) 80 parts of styrene-modified polypropylenes, 41 parts of Isooctyl acrylate monomer modified SEBSs, 23 parts of liquid polyisoprenes, are weighed
Rubber modified asphalt, 35 parts of butyl acrylate modification ethylene-vinyl acetate copolymers, 8 parts of RX-80,12 parts of silica gel, 7 part of two Asia
The different certain herbaceous plants with big flowers ester of Pentaerythritol phosphate two, 9 parts of zinc stearates are added in high-speed mixer, with high-speed mixer in 218 DEG C of temperature
Extruding pelletization, that is, obtain low temperature resistant polypropylene glue.
Embodiment 7
A kind of low temperature resistant polypropylene glue, its preparation method comprises the following steps：
(1) 70 parts of ethylene-vinyl acetate copolymers, 44 parts of butyl acrylates, 21 parts of hydrogen peroxide and 90 parts of isopropanols, are weighed to add
Enter into high-speed mixer, mixing speed is to react 0.6h under the conditions of 1255r/min, 85 DEG C of maintenance system temperature, through 105
DEG C, -0.09MPa be dried under reduced pressure 0.5h, obtain butyl acrylate modification ethylene-vinyl acetate copolymer；
(2) 50 parts of pitches, 38 parts of liquid polyisoprene rubbers and 31 parts of meso-porous aluminas, are weighed and are added to high-speed mixer
In, mixing speed is to react 0.5h under the conditions of 1455r/min, 67 DEG C of maintenance system temperature, obtains liquid polyisoprene rubber
Modified pitch；
(3) 50 parts of SEBS, 32 parts of Isooctyl acrylate monomers, 12 parts of acrylic acid, 14 parts of sodium chloride, 13 parts of water and 71 parts of isopropyls, are weighed
Alcohol is added in high-speed mixer, and mixing speed is to react 0.7h under the conditions of 960r/min, 104 DEG C of maintenance system temperature, is passed through
105 DEG C, -0.08MPa vacuum drying 1h, that is, obtain Isooctyl acrylate monomer modified SEBS；
(4) 60 parts of polypropylene, 49 parts of oxalic acid, 18 parts of sodium fluorides, 16 parts of styrene, 91 parts of ethanol and 10 parts of water, are weighed to be added to
In reactor, mixing speed is to react 0.6h under the conditions of 64r/min, 39 DEG C of maintenance system temperature, through 500mL water washings 3 times,
500mL ethanol is washed 3 times, and 85 DEG C, -0.09MPa vacuum drying 1.5h obtain styrene-modified polypropylene；
(5) 80 parts of styrene-modified polypropylenes, 45 parts of Isooctyl acrylate monomer modified SEBSs, 19 parts of liquid polyisoprenes, are weighed
Rubber modified asphalt, 28 parts of butyl acrylate modification ethylene-vinyl acetate copolymers, 7 parts of RX-80,9 parts of silica gel, 7 part of two phosphorous
The sour different certain herbaceous plants with big flowers ester of pentaerythritol ester two, 8 parts of zinc stearates are added in high-speed mixer, are squeezed for 220 DEG C in temperature with high-speed mixer
Go out granulation, that is, obtain low temperature resistant polypropylene glue.
Embodiment 8
A kind of low temperature resistant polypropylene glue, its preparation method comprises the following steps：
(1) 70 parts of ethylene-vinyl acetate copolymers, 46 parts of butyl acrylates, 24 parts of hydrogen peroxide and 89 parts of isopropanols, are weighed to add
Enter into high-speed mixer, mixing speed is to react 0.6h under the conditions of 1100r/min, 76 DEG C of maintenance system temperature, through 105
DEG C, -0.09MPa be dried under reduced pressure 0.5h, obtain butyl acrylate modification ethylene-vinyl acetate copolymer；
(2) 50 parts of pitches, 38 parts of liquid polyisoprene rubbers and 28 parts of meso-porous aluminas, are weighed and are added to high-speed mixer
In, mixing speed is to react 0.5h under the conditions of 1400r/min, 68 DEG C of maintenance system temperature, obtains liquid polyisoprene rubber
Modified pitch；
(3) 50 parts of SEBS, 34 parts of Isooctyl acrylate monomers, 12 parts of acrylic acid, 13 parts of sodium chloride, 12 parts of water and 65 parts of isopropyls, are weighed
Alcohol is added in high-speed mixer, and mixing speed is to react 0.7h under the conditions of 950r/min, 102 DEG C of maintenance system temperature, is passed through
105 DEG C, -0.08MPa vacuum drying 1h, that is, obtain Isooctyl acrylate monomer modified SEBS；
(4) 60 parts of polypropylene, 54 parts of oxalic acid, 20 parts of sodium fluorides, 16 parts of styrene, 87 parts of ethanol and 13 parts of water, are weighed to be added to
In reactor, mixing speed is to react 0.6h under the conditions of 57r/min, 45 DEG C of maintenance system temperature, through 500mL water washings 3 times,
500mL ethanol is washed 3 times, and 85 DEG C, -0.09MPa vacuum drying 1.5h obtain styrene-modified polypropylene；
(5) 80 parts of styrene-modified polypropylenes, 43 parts of Isooctyl acrylate monomer modified SEBSs, 26 parts of liquid polyisoprenes, are weighed
Rubber modified asphalt, 31 parts of butyl acrylate modification ethylene-vinyl acetate copolymers, 4 parts of RX-80,9 parts of silica gel, 5 part of two phosphorous
The sour different certain herbaceous plants with big flowers ester of pentaerythritol ester two, 9 parts of zinc stearates are added in high-speed mixer, are squeezed for 225 DEG C in temperature with high-speed mixer
Go out granulation, that is, obtain low temperature resistant polypropylene glue.
Reference examples 1
In this reference examples, without butyl acrylate modification ethylene-vinyl acetate copolymer, other components and preparation method and reality
Apply example 1 identical.
Reference examples 2
In this reference examples, without liquid polyisoprene rubber modified pitch, other components and preparation method and the phase of embodiment 1
Together.
Reference examples 3
In this reference examples, without Isooctyl acrylate monomer modified SEBS, other components and preparation method are same as Example 1.
Reference examples 4
In this reference examples, without styrene-modified polypropylene, other components and preparation method are same as Example 1.
Reference examples 5
In this reference examples, without RX-80, other components and preparation method are same as Example 1.
Reference examples 6
In this reference examples, without silica gel, other components and preparation method are same as Example 1.
Reference examples 7
In this reference examples, the butyl acrylate modification selected in formula in Natural ethylene-acetate ethylene copolymer alternate embodiment 1
Ethylene-vinyl acetate copolymer, other components and preparation method are same as Example 1.
Reference examples 8
In this reference examples, the liquid polyisoprene rubber modified pitch selected in formula in plain asphalt alternate embodiment 1, its
Its component and preparation method are same as Example 1.
Reference examples 9
In this reference examples, the Isooctyl acrylate monomer modified SEBS selected in formula in common SEBS alternate embodiments 1, other components
It is same as Example 1 with preparation method.
Reference examples 10
In this reference examples, in formula select plain polypropylene alternate embodiment 1 in styrene-modified polypropylene, other components with
Preparation method is same as Example 1.
The performance parameter of low temperature resistant polypropylene glue made from the embodiment 1 of table 1 and reference examples 1~10
| Embodiment 1 | Reference examples 1 | Reference examples 2 | Reference examples 3 | Reference examples 4 | Reference examples 5 | Reference examples 6 | Reference examples 7 | Reference examples 8 | Reference examples 9 | Reference examples 10 | |
| Adhesion strength/MPa | 9 | 5 | 6 | 4 | 8 | 8 | 8 | 6 | 7 | 6 | 8 |
| Minimum long-term use temperature/DEG C | -45 | -36 | -40 | -38 | -40 | -41 | -40 | -39 | -41 | -40 | -41 |
| Tensile strength/MPa | 45 | 37 | 39 | 33 | 43 | 42 | 41 | 35 | 41 | 36 | 43 |
Described above is the preferred embodiment of the invention, it is noted that for those skilled in the art,
On the premise of the inventive principle is not departed from, some improvements and modifications can also be made, these improvements and modifications are also considered as the hair
Bright protection domain.
Claims (3)
1. a kind of preparation method of low temperature resistant polypropylene glue, it is characterised in that：Including following raw material components：Phenylethene modified poly- third
Alkene, Isooctyl acrylate monomer modified SEBS, liquid polyisoprene rubber modified pitch, butyl acrylate modification ethyl vinyl acetate second
The different certain herbaceous plants with big flowers ester of alkene copolymer, RX-80, silica gel, pentaerythritol diphosphite two, zinc stearate, described phenylethene modified poly- third
Alkene, Isooctyl acrylate monomer modified SEBS, liquid polyisoprene rubber modified pitch, butyl acrylate modification ethyl vinyl acetate second
The different certain herbaceous plants with big flowers ester of alkene copolymer, RX-80, silica gel, pentaerythritol diphosphite two, the quality parts ratio of zinc stearate are 80：34~
49：15~27：20~35：3~9：7~14：3~9：6~10, wherein, described styrene-modified polypropylene is by polypropylene, grass
Acid, sodium fluoride, styrene, the reaction of second alcohol and water be made, described polypropylene, oxalic acid, sodium fluoride, styrene, second alcohol and water
Quality parts ratio is 60：45~60：15~25：10~23：73~97：9~17, described Isooctyl acrylate monomer modified SEBS by
SEBS, Isooctyl acrylate monomer, acrylic acid, sodium chloride, water and isopropanol reaction are made, described SEBS, Isooctyl acrylate monomer, third
Olefin(e) acid, sodium chloride, the quality parts ratio of water and isopropanol are 50：25~37：8~15：12~17：8~16：51~73, it is described
Liquid polyisoprene rubber modified pitch by pitch, liquid polyisoprene rubber and meso-porous alumina react be made, institute
The quality parts ratio of pitch, liquid polyisoprene rubber and the meso-porous alumina stated is 50：27~40：23~35, it is described
Butyl acrylate modification ethylene-vinyl acetate copolymer by ethylene-vinyl acetate copolymer, butyl acrylate, hydrogen peroxide and
Isopropanol reaction is made, described ethylene-vinyl acetate copolymer, butyl acrylate, the mass parts of hydrogen peroxide and isopropanol
Number is than being 70：37~50：17~27：86~100.
2. a kind of preparation method of low temperature resistant polypropylene glue according to claim 1, it is characterised in that：Described is low temperature resistant poly-
Propylene glue is as made from following preparation method：(1), by ethylene-vinyl acetate copolymer, butyl acrylate, hydrogen peroxide and
Isopropanol is 70 according to quality parts ratio：37~50：17~27：86~100 are added in high-speed mixer, and mixing speed is
0.6h is reacted under the conditions of 1000~1300r/min, 70~90 DEG C of maintenance system temperature, is dried under reduced pressure through 105 DEG C, -0.09MPa
0.5h, obtains butyl acrylate modification ethylene-vinyl acetate copolymer；(2), by pitch, liquid polyisoprene rubber and Jie
Porous aluminum oxide is according to quality parts ratio 50：27~40：23~35 are added in high-speed mixer, mixing speed be 1100~
0.5h is reacted under the conditions of 1500r/min, 55~70 DEG C of maintenance system temperature, liquid polyisoprene rubber modified pitch is obtained；
(3), by SEBS, Isooctyl acrylate monomer, acrylic acid, sodium chloride, water and isopropanol according to quality parts ratio 50：25~37：8~
15：12~17：8~16：51~73 are added in high-speed mixer, and mixing speed is 800~1000r/min, maintenance system temperature
0.7h is reacted under the conditions of 95~110 DEG C of degree, 1h is dried in vacuo through 105 DEG C, -0.08MPa, that is, obtains Isooctyl acrylate monomer modification
SEBS；(4), by polypropylene, oxalic acid, sodium fluoride, styrene, second alcohol and water according to quality parts ratio 60：45~60：15~25：
10~23：73~97：9~17 are added in reactor, and mixing speed is 50~70r/min, 35~50 DEG C of maintenance system temperature
Under the conditions of react 0.6h, through 500mL water washings 3 times, 500mL ethanol is washed 3 times, 85 DEG C, -0.09MPa vacuum drying 1.5h, i.e.,
Obtain styrene-modified polypropylene；(5), by styrene-modified polypropylene, Isooctyl acrylate monomer modified SEBS, the poly- isoamyl two of liquid
Alkene rubber modified asphalt, butyl acrylate modification ethylene-vinyl acetate copolymer, RX-80, silica gel, diphosphorous acid pentaerythrite
The different certain herbaceous plants with big flowers ester of ester two, zinc stearate are according to quality parts ratio 80：34~49：15~27：20~35：3~9：7~14：3~9：6~
10 are added in high-speed mixer, with high-speed mixer in 198~230 DEG C of extruding pelletizations of temperature, that is, obtain low temperature resistant polypropylene
Glue.
3. a kind of preparation method of low temperature resistant polypropylene glue according to claim 2, it is characterised in that：Described mesoporous oxidation
The particle diameter of aluminium is 30 nm.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104449466A (en) * | 2013-09-22 | 2015-03-25 | 杭州邦林热熔胶有限公司 | Low temperature labeling construction hot melt adhesive and preparation method thereof |
| KR20150062548A (en) * | 2013-11-29 | 2015-06-08 | 롯데케미칼 주식회사 | Low temperature heat-sealing properties of atactic-polypropylene resin composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104449466A (en) * | 2013-09-22 | 2015-03-25 | 杭州邦林热熔胶有限公司 | Low temperature labeling construction hot melt adhesive and preparation method thereof |
| KR20150062548A (en) * | 2013-11-29 | 2015-06-08 | 롯데케미칼 주식회사 | Low temperature heat-sealing properties of atactic-polypropylene resin composition |
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