CN105482755B - Antistatic modified hot melt adhesive and preparation method thereof - Google Patents
Antistatic modified hot melt adhesive and preparation method thereof Download PDFInfo
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- CN105482755B CN105482755B CN201511014003.1A CN201511014003A CN105482755B CN 105482755 B CN105482755 B CN 105482755B CN 201511014003 A CN201511014003 A CN 201511014003A CN 105482755 B CN105482755 B CN 105482755B
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- melt adhesive
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J167/00—Adhesives based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Adhesives based on derivatives of such polymers
- C09J167/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The present invention relates to a kind of antistatic modified hot melt adhesive, the hot melt adhesive is formed by the Raw material processing of following parts by weight: 40-60 parts of polyester hot-melt adhesive, 20-50 parts of polyamide, 20-30 parts of conductive black, 5-10 parts of Petropols, 164 0.5-1 parts of antioxidant, by the polyester hot-melt adhesive of formula ratio, polyamide, Petropols, antioxidant and conductive black are uniformly mixed, it is then added in screw extruder pelletizer, melt blending squeezes out, the mixed material of extrusion is through cooling, it is granulated, granulation acquisition pellet is vacuum dried to go moisture removal to obtain antistatic modified hot melt adhesive;The present invention selects the polyester hot-melt adhesive of low melting point to mix with polyamide resin, conductive black, Petropols, antioxidant 164, the hot melt adhesive that cohesive force is stable, antistatic property is good, crystallisation solidification rate is fast is made, it is easy to use, it is affected by environment small, especially under low temperature environment, crystallisation solidification rate substantially increases production efficiency also superior to the hot melt adhesive of the prior art.
Description
Technical field
The present invention relates to a kind of antistatic modified hot melt adhesive and preparation method thereof.
Background technique
Polyester hot-melt adhesive is a kind of environment-friendly type hot melt glue, high with bonding action, prominent to the Optical instrument of polar material,
The advantages that electrical property and excellent chemical mediator-resitant property, is widely used in weaving, clothes, automobile, packaging, shoemaking, electronics, building materials etc.
Rapid growth momentum is presented in industry in recent years.With the implementation of low-carbon economy, low application temperature becomes hot melt adhesive property development
One of direction, this requires polyester hot-melt adhesives to have lower fusing point.However the crystalline rate of low-melting point polyester hot melt adhesive compared with
Slowly, it needs long period drying that could wind after leading to product gluing, otherwise will appear interlayer adhesion, generate waste product, substantially reduce
Production efficiency, in addition, hot melt adhesive anti-static function effect in the prior art is bad, poor processability.
Summary of the invention
It is an object of the invention to solve the deficiencies in the prior art, a kind of antistatic modified hot melt adhesive and its preparation side are provided
Method.
The technical solution adopted by the present invention to solve the technical problems is:
Antistatic modified hot melt adhesive, the hot melt adhesive are formed by the Raw material processing of following parts by weight:
40-60 parts of polyester hot-melt adhesive, 20-50 parts of polyamide, 20-30 parts of conductive black, 5-10 parts of Petropols, resist
164 0.5-1 parts of oxygen agent;
The polyester hot-melt adhesive of formula ratio, polyamide, Petropols, antioxidant and conductive black are uniformly mixed, so
After be added in screw extruder pelletizer, melt blending squeezes out, the mixed material of extrusion through cooling, be granulated, be granulated and obtain pellet
It is vacuum dried that moisture removal is gone to obtain antistatic modified hot melt adhesive;
The polyester hot-melt adhesive is prepared as follows:
(1) proper amount of nano grade bentonite is added in reaction kettle and disperses to form uniform and stable slurry with butanediol;
(2) it is added under agitation into the reaction kettle of step (1) by dimethyl terephthalate (DMT), M-phthalic acid two
Methyl esters, dimeric dibasic acid, after mixing, be added four positive definite butyl ester of proper catalyst metatitanic acid, under nitrogen protection in 205-215 DEG C into
Row ester exchange reaction 1-2 hours, then the tetra-n-butyl titanate of hydrogenation of liquid polybutadiene dihydric alcohol and surplus is added, under vacuum
210-230 DEG C of heating carries out polycondensation 3-4 hours, obtains polyester precursor copolymer i.e. polyester hot-melt adhesive;
The dimethyl terephthalate (DMT), 1,4-butanediol, dimethyl isophthalate, tetra-n-butyl titanate, dimerization
The molar ratio of acid, hydrogenation of liquid polybutadiene dihydric alcohol are as follows: (80-85): 200:20:(0.02-0.03): 30:15;
The dimeric dibasic acid is the binary acid containing 36 carbon atoms.
Preferably, the hot melt adhesive is made of the raw material of following parts by weight: 50 parts of polyester hot-melt adhesive, polyamide 40
Part, 25 parts of conductive black, 8 parts of Petropols, 164 0.75 parts of antioxidant.
Preferably, the dosage molar ratio of four positive definite butyl ester of ester exchange reaction and the catalyst metatitanic acid of polycondensation reaction is 1:3.
Preferably, the nanoscale bentonite selects nanoscale organobentonite.
Preferably, the bentonitic dosage of the nanoscale is 0.5-0.75mol.
The beneficial effects of the present invention are:
It is lower and be capable of the poly- of rapid crystallization that the present invention is prepared for fusing point by the way of nanoscale bentonite in-situ polymerization
Ester hot melt adhesive, polyester hot-melt adhesive fusing point obtained is close with the fusing point of low melting point hot melt adhesive in the prior art, and viscosity performance is more
It is excellent;
The present invention selects the polyester hot-melt adhesive of low melting point and polyamide resin, conductive black, Petropols, antioxidant 164 mixed
It closes, the hot melt adhesive that cohesive force is stable, antistatic property is good, crystallisation solidification rate is fast is made, it is easy to use, it is affected by environment small,
Especially under low temperature environment, crystallisation solidification rate substantially increases production efficiency, hot melt adhesive also superior to the hot melt adhesive of the prior art
The cooling and solidifying time after coating substantially shortens, and coating efficiency significantly improves.
Specific embodiment
Below by specific embodiment, technical scheme of the present invention will be further explained in detail.
Embodiment 1:
Antistatic modified hot melt adhesive, the hot melt adhesive are formed by the Raw material processing of following parts by weight:
40 parts of polyester hot-melt adhesive, 20 parts of polyamide, 20 parts of conductive black, 5 parts of Petropols, antioxidant 164 0.5
Part;
The polyester hot-melt adhesive of formula ratio, polyamide, Petropols, antioxidant and conductive black are uniformly mixed, so
After be added in screw extruder pelletizer, melt blending squeezes out, the mixed material of extrusion through cooling, be granulated, be granulated and obtain pellet
It is vacuum dried that moisture removal is gone to obtain antistatic modified hot melt adhesive;
The polyester hot-melt adhesive is prepared as follows:
(1) proper amount of nano grade bentonite is added in reaction kettle and disperses to form uniform and stable slurry with butanediol;
(2) it is added under agitation into the reaction kettle of step (1) by dimethyl terephthalate (DMT), M-phthalic acid two
Methyl esters, dimeric dibasic acid, after mixing, be added four positive definite butyl ester of proper catalyst metatitanic acid, under nitrogen protection in 205-215 DEG C into
Row ester exchange reaction 1-2 hours, then the tetra-n-butyl titanate of hydrogenation of liquid polybutadiene dihydric alcohol and surplus is added, under vacuum
210-230 DEG C of heating carries out polycondensation 3-4 hours, obtains polyester precursor copolymer i.e. polyester hot-melt adhesive;
The dimethyl terephthalate (DMT), 1,4-butanediol, dimethyl isophthalate, tetra-n-butyl titanate, dimerization
The molar ratio of acid, hydrogenation of liquid polybutadiene dihydric alcohol are as follows: 80:200:20:0.02:30:15;
The dimeric dibasic acid is the binary acid containing 36 carbon atoms, the catalyst metatitanic acid of ester exchange reaction and polycondensation reaction
The dosage molar ratio of four positive definite butyl esters is 1:3, and the nanoscale bentonite selects nanoscale organobentonite, and the nanoscale is swollen
The dosage of profit soil is 0.5mol.
Embodiment 2:
Antistatic modified hot melt adhesive, the hot melt adhesive are formed by the Raw material processing of following parts by weight:
60 parts of polyester hot-melt adhesive, 50 parts of polyamide, 30 parts of conductive black, 10 parts of Petropols, antioxidant 164 1
Part;
The polyester hot-melt adhesive of formula ratio, polyamide, Petropols, antioxidant and conductive black are uniformly mixed, so
After be added in screw extruder pelletizer, melt blending squeezes out, the mixed material of extrusion through cooling, be granulated, be granulated and obtain pellet
It is vacuum dried that moisture removal is gone to obtain antistatic modified hot melt adhesive;
The polyester hot-melt adhesive is prepared as follows:
(1) proper amount of nano grade bentonite is added in reaction kettle and disperses to form uniform and stable slurry with butanediol;
(2) it is added under agitation into the reaction kettle of step (1) by dimethyl terephthalate (DMT), M-phthalic acid two
Methyl esters, dimeric dibasic acid, after mixing, be added four positive definite butyl ester of proper catalyst metatitanic acid, under nitrogen protection in 205-215 DEG C into
Row ester exchange reaction 1-2 hours, then the tetra-n-butyl titanate of hydrogenation of liquid polybutadiene dihydric alcohol and surplus is added, under vacuum
210-230 DEG C of heating carries out polycondensation 3-4 hours, obtains polyester precursor copolymer i.e. polyester hot-melt adhesive;
The dimethyl terephthalate (DMT), 1,4-butanediol, dimethyl isophthalate, tetra-n-butyl titanate, dimerization
The molar ratio of acid, hydrogenation of liquid polybutadiene dihydric alcohol are as follows: 85:200:20:0.03:30:15;
The dimeric dibasic acid is the binary acid containing 36 carbon atoms, the catalyst metatitanic acid of ester exchange reaction and polycondensation reaction
The dosage molar ratio of four positive definite butyl esters is 1:3, and the nanoscale bentonite selects nanoscale organobentonite, and the nanoscale is swollen
The dosage of profit soil is 0.75mol.
Embodiment 3:
Antistatic modified hot melt adhesive, the hot melt adhesive are formed by the Raw material processing of following parts by weight:
50 parts of polyester hot-melt adhesive, 40 parts of polyamide, 25 parts of conductive black, 8 parts of Petropols, antioxidant 164 0.75
Part;
The polyester hot-melt adhesive of formula ratio, polyamide, Petropols, antioxidant and conductive black are uniformly mixed, so
After be added in screw extruder pelletizer, melt blending squeezes out, the mixed material of extrusion through cooling, be granulated, be granulated and obtain pellet
It is vacuum dried that moisture removal is gone to obtain antistatic modified hot melt adhesive;
The polyester hot-melt adhesive is prepared as follows:
(1) proper amount of nano grade bentonite is added in reaction kettle and disperses to form uniform and stable slurry with butanediol;
(2) it is added under agitation into the reaction kettle of step (1) by dimethyl terephthalate (DMT), M-phthalic acid two
Methyl esters, dimeric dibasic acid, after mixing, be added four positive definite butyl ester of proper catalyst metatitanic acid, under nitrogen protection in 205-215 DEG C into
Row ester exchange reaction 1-2 hours, then the tetra-n-butyl titanate of hydrogenation of liquid polybutadiene dihydric alcohol and surplus is added, under vacuum
210-230 DEG C of heating carries out polycondensation 3-4 hours, obtains polyester precursor copolymer i.e. polyester hot-melt adhesive;
The dimethyl terephthalate (DMT), 1,4-butanediol, dimethyl isophthalate, tetra-n-butyl titanate, dimerization
The molar ratio of acid, hydrogenation of liquid polybutadiene dihydric alcohol are as follows: 82:200:20:0.025:30:15;
The dimeric dibasic acid is the binary acid containing 36 carbon atoms, the catalyst metatitanic acid of ester exchange reaction and polycondensation reaction
The dosage molar ratio of four positive definite butyl esters is 1:3, and the nanoscale bentonite selects nanoscale organobentonite, and the nanoscale is swollen
The dosage of profit soil is 0.6mol.
It is lower and be capable of the poly- of rapid crystallization that the present invention is prepared for fusing point by the way of nanoscale bentonite in-situ polymerization
Ester hot melt adhesive, polyester hot-melt adhesive fusing point obtained is close with the fusing point of low melting point hot melt adhesive in the prior art, and viscosity performance is more
It is excellent;
The present invention selects the polyester hot-melt adhesive of low melting point and polyamide resin, conductive black, Petropols, antioxidant 164 mixed
It closes, the hot melt adhesive that cohesive force is stable, antistatic property is good, crystallisation solidification rate is fast is made, it is easy to use, it is affected by environment small,
Especially under low temperature environment, crystallisation solidification rate substantially increases production efficiency, hot melt adhesive also superior to the hot melt adhesive of the prior art
The cooling and solidifying time after coating substantially shortens, and coating efficiency significantly improves.
Above-mentioned embodiment is only a preferred solution of the present invention, not the present invention is made in any form
Limitation, there are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims.
Claims (4)
1. antistatic modified hot melt adhesive, it is characterised in that: the hot melt adhesive is formed by the Raw material processing of following parts by weight:
40-60 parts of polyester hot-melt adhesive, 20-50 parts of polyamide, 20-30 parts of conductive black, 5-10 parts of Petropols, antioxidant
164 0.5-1 parts;
The polyester hot-melt adhesive of formula ratio, polyamide, Petropols, antioxidant and conductive black are uniformly mixed, then plus
Enter into screw extruder pelletizer, melt blending squeezes out, and the mixed material of extrusion is granulated through cooling, granulation and obtains pellet through true
Sky is dry to go moisture removal to obtain antistatic modified hot melt adhesive;
The polyester hot-melt adhesive is prepared as follows:
(1) proper amount of nano grade bentonite is added in reaction kettle and disperses to form uniform and stable slurry with butanediol;
(2) under agitation into the reaction kettle of step (1) be added dimethyl terephthalate (DMT), dimethyl isophthalate,
After mixing proper catalyst tetra-n-butyl titanate is added, under nitrogen protection in 205-215 DEG C of progress ester friendship in dimeric dibasic acid
Reaction 1-2 hours is changed, then adds the tetra-n-butyl titanate of hydrogenation of liquid polybutadiene dihydric alcohol and surplus, the 210- under vacuum
230 DEG C of heating carry out polycondensation 3-4 hours, obtain polyester precursor copolymer i.e. polyester hot-melt adhesive;
The dimethyl terephthalate (DMT), butanediol, dimethyl isophthalate, tetra-n-butyl titanate, dimeric dibasic acid, hydrogenation of liquid
The molar ratio of polybutadiene dihydric alcohol are as follows: (80-85): 200:20:(0.02-0.03): 30:15;
The dimeric dibasic acid is the binary acid containing 36 carbon atoms;
The nanoscale bentonite selects nanoscale organobentonite.
2. antistatic modified hot melt adhesive according to claim 1, it is characterised in that: the hot melt adhesive is by following parts by weight
Raw material composition: 50 parts of polyester hot-melt adhesive, 40 parts of polyamide, 25 parts of conductive black, 8 parts of Petropols, antioxidant 164
0.75 part.
3. antistatic modified hot melt adhesive according to claim 1 or 2, it is characterised in that: ester exchange reaction and polycondensation reaction
Catalyst tetra-n-butyl titanate dosage molar ratio be 1:3.
4. antistatic modified hot melt adhesive according to claim 1 or 2, which is characterized in that the bentonitic use of nanoscale
Amount is 0.5-0.75mol.
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CN201511014003.1A CN105482755B (en) | 2015-12-31 | 2015-12-31 | Antistatic modified hot melt adhesive and preparation method thereof |
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CN105482755B true CN105482755B (en) | 2018-12-18 |
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CN106753233A (en) * | 2016-12-19 | 2017-05-31 | 钦州市科学技术开发中心 | A kind of antistatic modified PUR and preparation method thereof |
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Effective date of registration: 20191226 Address after: 226400, Jiangsu, Nantong province Rudong County town chemical industry zone Patentee after: Nantong Henghua bonded Mstar Technology Ltd Address before: Anyang Street Hill Road East of Ruian city Wenzhou 325000 Zhejiang Province, Lane 295, No. 6 6-7 4 Patentee before: Lin Chuhuang |
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