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CN112920741B - Hot melt adhesive for lap joint of pre-laid coiled materials and preparation method thereof - Google Patents

Hot melt adhesive for lap joint of pre-laid coiled materials and preparation method thereof Download PDF

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Publication number
CN112920741B
CN112920741B CN202110124720.9A CN202110124720A CN112920741B CN 112920741 B CN112920741 B CN 112920741B CN 202110124720 A CN202110124720 A CN 202110124720A CN 112920741 B CN112920741 B CN 112920741B
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parts
hot melt
melt adhesive
stirring
ethylene propylene
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CN112920741A (en
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王远志
樊敏
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Sinorite New Materials Shanghai Co ltd
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Sinorite New Materials Shanghai Co ltd
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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
    • C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
    • C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
    • C09J123/04—Homopolymers or copolymers of ethene
    • C09J123/06—Polyethene
    • 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
    • C09J109/00—Adhesives based on homopolymers or copolymers of conjugated diene hydrocarbons
    • 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
    • C09J11/08—Macromolecular additives
    • 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
    • C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
    • C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
    • C09J123/04—Homopolymers or copolymers of ethene
    • C09J123/08—Copolymers of ethene
    • 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
    • C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
    • C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
    • C09J123/10—Homopolymers or copolymers of propene
    • C09J123/12—Polypropene
    • 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
    • C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
    • C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
    • C09J123/10—Homopolymers or copolymers of propene
    • C09J123/14—Copolymers of propene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/10—Transparent films; Clear coatings; Transparent materials
    • 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
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • 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
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/062—HDPE

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  • Organic Chemistry (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Sealing Material Composition (AREA)

Abstract

The invention discloses a hot melt adhesive for lapping pre-laid coiled materials and a preparation method thereof, wherein the hot melt adhesive comprises the following raw materials: thermoplastic polyolefin, polyolefin elastomer, dispersant, acrylic acid-containing copolymer, ethylene propylene rubber, butyl rubber, tackifier, active filler, antioxidant, light stabilizer and saturated linear polymer; the preparation method comprises the steps of firstly adding a saturated linear polymer, thermoplastic polyolefin, polyolefin elastomer and acrylic acid-containing copolymer into a stirring container, heating and stirring uniformly, then adding a dispersing agent, a tackifier, an antioxidant and a light stabilizer, stirring uniformly, then adding ethylene propylene rubber and butyl rubber, stirring uniformly, finally adding an active filler, and stirring uniformly to obtain the hot melt adhesive prepared by the invention. The hot melt adhesive prepared by the invention has stable chemical properties, no odor, transparency, no toxicity, good acid and alkali corrosion resistance, and good water resistance and sealing property, and the pre-laid coiled material lapped by the hot melt adhesive prepared by the invention has high peel strength, thereby overcoming the problems that the coiled material is easy to be separated in the lapping process in summer and the coiled material is not easy to be bonded in winter.

Description

Hot melt adhesive for lapping pre-laid coiled materials and preparation method thereof
Technical Field
The invention relates to the technical field of pre-laid coiled material lap joint, in particular to a hot melt adhesive for pre-laid coiled material lap joint and a preparation method thereof.
Background
The pre-paved coiled material is suitable for various civil buildings and industrial buildings, and is used for water resistance and seepage resistance of the buildings. Most of the hot melt adhesives commonly used for lap joint of pre-laid coiled materials at present are hot melt pressure-sensitive adhesives which flow easily when being heated, are fragile at low temperature and are easy to degum after being soaked in water for a long time, so that the hot melt adhesives with good waterproof performance, high and low temperature stability and large peel strength are needed.
The butyl rubber is used as environment-friendly synthetic rubber in the field of building waterproofing, has good chemical stability, thermal stability, outstanding air tightness and water tightness, and is particularly suitable to be used as a raw material of a waterproof roll lapping hot melt adhesive. However, the butyl rubber has low adhesion, needs a tackifier to improve the adhesion strength of the butyl rubber and other rubbers, has poor compatibility with polymers, and can only be used together with ethylene propylene rubber and polyethylene. In engineering application, the phenomenon of separation of the hot melt adhesive and a sheet material caused by long-term soaking exists, the peeling strength is not enough, the separation occurs in summer, and the adhesion is difficult in winter. Therefore, the development of a hot melt adhesive with higher peel strength for pre-laid coiled material lap joint is urgently needed.
Disclosure of Invention
In response to the deficiencies of the prior art, a first aspect of the present invention provides a hot melt adhesive for pre-laid web lap joints.
The utility model provides a be used for overlapping hot melt adhesive of pre-spread coiled material, the raw materials by weight portion includes: 80-120 parts of thermoplastic polyolefin, 10-30 parts of polyolefin elastomer, 5-10 parts of dispersant, 5-20 parts of acrylic acid-containing copolymer, 5-20 parts of ethylene propylene rubber, 10-30 parts of butyl rubber, 10-50 parts of tackifier, 10-50 parts of active filler, 1-5 parts of antioxidant, 1-5 parts of light stabilizer and 10-60 parts of saturated linear polymer.
Further, the hot melt adhesive comprises the following raw materials in parts by weight: 90-110 parts of thermoplastic polyolefin, 10-25 parts of polyolefin elastomer, 5-10 parts of dispersant, 5-20 parts of acrylic acid-containing copolymer, 5-13 parts of ethylene propylene rubber, 10-30 parts of butyl rubber, 10-30 parts of tackifier, 10-50 parts of active filler, 1-5 parts of antioxidant, 1-5 parts of light stabilizer and 10-40 parts of saturated linear polymer.
Further, the thermoplastic polyolefin includes high density polyethylene, linear low density polyethylene, polypropylene homopolymer, polypropylene copolymer and polypropylene ethylene, 1, 2-polybutadiene.
Further, the polyolefin elastomer comprises one or more of a propylene-containing polyolefin, an ethylene-propylene copolymerized polyolefin, and an α -olefin-containing polyolefin.
Further, the dispersing agent is one or more of modified polypropylene wax, polyethylene wax, polypropylene wax and paraffin wax.
Further, the ethylene propylene rubber is one or a combination of ethylene propylene rubber and ethylene propylene diene monomer.
Further, the ethylene propylene diene monomer is modified ethylene propylene diene monomer.
Further, the modified ethylene propylene diene monomer rubber is one or more of maleic anhydride grafted ethylene propylene diene monomer rubber, acrylate grafted ethylene propylene diene monomer rubber and acrylonitrile grafted ethylene propylene diene monomer rubber.
Further, the saturated linear polymer is one or more of polyisobutylene, polypropylene and polyisoprene.
The second aspect of the invention provides a preparation method of the hot melt adhesive for pre-laid coiled material lap joint.
A preparation method of a hot melt adhesive for pre-laid coiled material lap joint comprises the following steps:
s1, adding a saturated linear polymer, thermoplastic polyolefin, a polyolefin elastomer and a copolymer containing acrylic acid into a stirring container, heating to 220 ℃, and stirring for 0.5-1.0 h;
s2, adding a dispersing agent, a tackifier, an antioxidant and a light stabilizer, and stirring for 0.5-1.0 h;
s3, then adding ethylene propylene rubber and butyl rubber, and stirring for 1.0-1.5 h;
and S4, finally adding the active filler, and stirring for 0.5-1.0h to obtain the hot melt adhesive.
Compared with the prior art, the invention has the beneficial effects that:
1. the hot melt adhesive prepared by the invention has the characteristics of stable chemical property, no odor, transparency, no toxicity, economy, greenness and environmental protection.
2. According to the invention, the maleic anhydride grafted ethylene propylene diene monomer and the maleic anhydride grafted polypropylene wax are selected, so that the function of polar groups on the molecular structure of maleic anhydride is exerted, the high-temperature fluidity and the strength of the hot melt adhesive prepared by the invention are improved, and the compatibility among raw materials in the hot melt adhesive prepared by the invention is promoted.
3. The hot melt adhesive prepared by the invention has good acid and alkali corrosion resistance, good water resistance and sealing property, and the pre-laid coiled material lapped by the hot melt adhesive prepared by the invention has high peel strength, thereby overcoming the problems that the lapping of the coiled material is easy to be separated in summer and the coiled material is not easy to be bonded in winter.
Detailed Description
In response to the deficiencies of the prior art, a first aspect of the present invention provides a hot melt adhesive for pre-laid web lap joints.
The hot melt adhesive for pre-laid coiled material lap joint comprises the following raw materials in parts by weight: 80-120 parts of thermoplastic polyolefin, 10-30 parts of polyolefin elastomer, 5-10 parts of dispersant, 5-20 parts of acrylic acid-containing copolymer, 5-20 parts of ethylene propylene rubber, 10-30 parts of butyl rubber, 10-50 parts of tackifier, 10-50 parts of active filler, 1-5 parts of antioxidant, 1-5 parts of light stabilizer and 10-60 parts of saturated linear polymer.
Further, the hot melt adhesive comprises the following raw materials in parts by weight: 90-110 parts of thermoplastic polyolefin, 10-25 parts of polyolefin elastomer, 5-10 parts of dispersant, 5-20 parts of acrylic acid-containing copolymer, 5-13 parts of ethylene propylene rubber, 10-30 parts of butyl rubber, 10-30 parts of tackifier, 10-50 parts of active filler, 1-5 parts of antioxidant, 1-5 parts of light stabilizer and 10-40 parts of saturated linear polymer.
Further, the hot melt adhesive comprises the following raw materials in parts by weight: 90-110 parts of thermoplastic polyolefin, 10-25 parts of polyolefin elastomer, 5-10 parts of dispersant, 5-20 parts of acrylic acid-containing copolymer, 5-10 parts of ethylene propylene rubber, 20-30 parts of butyl rubber, 10-20 parts of tackifier, 10-40 parts of active filler, 2-5 parts of antioxidant, 2-5 parts of light stabilizer and 10-20 parts of saturated linear polymer.
Further, the thermoplastic polyolefin includes high density polyethylene, linear low density polyethylene, polypropylene homopolymer, polypropylene copolymer and polystyrene, 1, 2-polybutadiene.
Further, the thermoplastic polyolefin is one or more of high density polyethylene, polypropylene homopolymer and polypropylene ethylene.
Further, the weight average molecular weight of the thermoplastic polyolefin is 150000-200000.
Further, the polyolefin elastomer comprises one or more of a propylene-containing polyolefin, an ethylene-propylene copolymerized polyolefin, and an α -olefin-containing polyolefin.
Further, the thermoplastic polyolefin is an alpha-olefin-containing polyolefin.
Further, the alpha-olefin-containing polyolefin is an ethylene-alpha-olefin copolymer.
Further, the molecular formula of the alpha-olefin in the ethylene-alpha-olefin copolymer is R-CH ═ CH2, wherein R is alkyl, and the number of carbon atoms of the alkyl R is 2-8.
Further, the molecular formula of the alpha-olefin in the ethylene-alpha-olefin copolymer is R-CH ═ CH2, wherein R is alkyl, and the carbon atom number of the alkyl R is 2-6.
Further, the dispersing agent is one or more of modified polypropylene wax, polyethylene wax, polypropylene wax and paraffin wax.
Further, the dispersant is modified polypropylene wax.
Further, the modified polypropylene wax is one or a combination of maleic anhydride modified polypropylene wax and polytetrafluoroethylene modified polypropylene wax.
Further, the weight average molecular weight of the modified polypropylene wax was 80000-120000.
Further, the acrylic acid-containing copolymer is one or more of an ethylene acrylic acid copolymer, a propylene acrylic acid copolymer and a styrene acrylic acid copolymer.
Further, the acrylic acid-containing copolymer is an ethylene acrylic acid copolymer.
Further, the ethylene propylene rubber is one or a combination of ethylene propylene rubber and ethylene propylene diene monomer.
Further, the ethylene propylene diene monomer is modified ethylene propylene diene monomer.
Further, the modified ethylene propylene diene monomer rubber is one or more of maleic anhydride grafted ethylene propylene diene monomer rubber, acrylate grafted ethylene propylene diene monomer rubber and acrylonitrile grafted ethylene propylene diene monomer rubber.
Further, the weight average molecular weight of the butyl rubber is 300000-1000000.
Further, the weight average molecular weight of the butyl rubber is 500000-1000000.
Further, the tackifier is one or more of petroleum resin, rosin, terpene resin and thermoplastic phenolic resin.
Further, the active filler is one or more of calcium carbonate, titanium dioxide, silicon dioxide, kaolin and fly ash.
Further, the antioxidant is one or more of a phenolic antioxidant and a phosphite antioxidant.
Further, the antioxidant is a phenolic antioxidant, and comprises antioxidant 1076, antioxidant 1010, antioxidant 264 and antioxidant 2246.
Further, the light stabilizer is one or more of a light shielding agent, an ultraviolet absorber, a quencher, a radical scavenger and a hydroperoxide decomposer.
Further, the light stabilizer comprises light stabilizer AM-101, light stabilizer GW-540, light stabilizer 744 and light stabilizer HPT.
Further, the saturated linear polymer is one or more of polyisobutylene, polypropylene and polyisoprene.
Further, the saturated linear polymer is polyisobutylene.
The second aspect of the invention provides a preparation method of a hot melt adhesive for pre-laid coiled material lap joint, which comprises the following steps:
s1, adding a saturated linear polymer, thermoplastic polyolefin, a polyolefin elastomer and a copolymer containing acrylic acid into a stirring container, heating to 220 ℃, and stirring for 0.5-1.0 h;
s2, adding a dispersing agent, a tackifier, an antioxidant and a light stabilizer, and stirring for 0.5-1.0 h;
s3, then adding ethylene propylene rubber and butyl rubber, and stirring for 1.0-1.5 h;
and S4, finally adding the active filler, and stirring for 0.5-1.0h to obtain the hot melt adhesive.
The ethylene propylene diene monomer has good compatibility with butyl rubber, but the ethylene propylene diene monomer is a saturated high polymer, has good aging resistance and good impact elasticity, has low cohesive energy due to the lack of active groups in the molecular structure, is difficult to use with other unsaturated copolymers, and has poor self-adhesion and mutual viscosity; the polypropylene wax has good lubricating and dispersing effects, but the viscosity of the polypropylene wax is smaller, and the ethylene propylene diene rubber and the polypropylene wax have polar groups on the molecular structure of maleic anhydride through the maleic anhydride modified ethylene propylene diene rubber and the polypropylene wax, so that the high-temperature fluidity and the strength of the ethylene propylene diene rubber and the polypropylene wax are improved, and the compatibility and the bonding strength of the modified ethylene propylene diene rubber and the modified polypropylene wax with other raw materials in the hot melt adhesive prepared by the invention are also improved.
The ethylene acrylic acid copolymer is a polymer with thermoplasticity and extremely high adhesiveness, and due to the existence of carboxylic acid groups and the action of hydrogen bonds, the crystallization capability of the polymer is inhibited, and the linearity of a main chain is destroyed; the ethylene acrylic acid copolymer is added into the hot melt adhesive prepared by the invention, so that the transparency and the toughness of the hot melt adhesive are improved.
The larger the weight average molecular weight of the polymer, the lower the melt index of the corresponding polymer, affecting the compatibility and adhesion between different polymers and reducing the peel strength. The weight average molecular weight of the selected polymers such as thermoplastic polyolefin, modified polypropylene wax, butyl rubber and the like is 100000 and above, even can be as high as 1000000, but the hot melt adhesive prepared by the invention has no initial viscosity, and the peeling strength of the lap joint pre-paved coiled material is enhanced through the combined action of various raw materials.
The present invention will be specifically described below by way of examples. It should be noted that the following examples are only for illustrating the present invention and should not be construed as limiting the scope of the present invention, and that the insubstantial modifications and adaptations of the present invention by those skilled in the art based on the above disclosure are still within the scope of the present invention.
In addition, all the starting materials used are commercially available, unless otherwise specified.
Example 1
The hot melt adhesive for lapping the pre-laid coiled material comprises the following raw materials in parts by weight: 100 parts of high-density polyethylene, 10 parts of a polymer of 1-butene and ethylene, 5 parts of maleic anhydride modified polypropylene wax, 10 parts of an ethylene acrylic acid copolymer, 8 parts of maleic anhydride grafted ethylene propylene diene monomer rubber, 30 parts of butyl rubber, 20 parts of petroleum resin, 30 parts of calcium carbonate, 4 parts of titanium dioxide, 10103 parts of an antioxidant, AM-1013 parts of a light stabilizer and 20 parts of polyisobutylene.
A preparation method of a hot melt adhesive for lap joint of pre-laid coiled materials comprises the following steps:
s1, adding polyisobutylene, high-density polyethylene, a polymer of 1-butene and ethylene and an ethylene acrylic acid copolymer into a stirring container, heating to 200 ℃, and stirring for 1.0 h;
s2, adding maleic anhydride modified polypropylene wax, petroleum resin, an antioxidant 1010 and a light stabilizer AM-101, and stirring for 0.5 h;
s3, then adding maleic anhydride grafted ethylene propylene diene monomer and butyl rubber, and stirring for 1.0 h;
and S4, finally adding calcium carbonate and titanium dioxide, and stirring for 0.5h to obtain the hot melt adhesive.
Wherein:
high density polyethylene, CAS No.: 9002-88-4, weight average molecular weight of 150000-: HXM 50100.
1-butene polymer with ethylene, CAS number: 25087-34-7, available from the Dow chemical company.
Maleic anhydride modified polypropylene wax, purchased from clariant chemical ltd, germany.
Ethylene acrylic acid copolymer, available from dupont dow, under the designation: 3003 and a melt index of 7.8g/10 min.
The maleic anhydride grafted ethylene propylene diene monomer rubber has a grafting rate of 0.7-0.9%, and is purchased from Shanghai Plastic materials Co., Ltd, Dongguan city, and the mark is DM-7.
Butyl rubber, CAS No.: 9010-85-9, purchased from exxonmobil chemical industry.
Petroleum resin, CAS No.: 64742-16-1, available from exxon mobil corporation under the trade designation: DS-373.
Calcium carbonate, CAS No.: 471-34-1.
Titanium dioxide, CAS number: 1317-80-2.
Antioxidant 1010, CAS No.: 128-37-0, purchased from Rihua Biotech, Inc., Hebei.
Light stabilizer AM-101, CAS number: 20649-88-1, available from limited Biotech, Inc. of Manchurian, Provisional, and Spanish, Wuhan.
Polyisobutylene, CAS number: 9003-27-4, Puyang Hengtai petrochemical Co., Ltd., weight average molecular weight 200000, trade name: HM-80.
Example 2
The hot melt adhesive for pre-laid coiled material lap joint comprises the following raw materials in parts by weight: 100 parts of high-density polyethylene, 12 parts of a polymer of 1-butene and ethylene, 5 parts of maleic anhydride modified polypropylene wax, 11 parts of an ethylene acrylic acid copolymer, 8 parts of maleic anhydride grafted ethylene propylene diene monomer rubber, 30 parts of butyl rubber, 20 parts of petroleum resin, 30 parts of calcium carbonate, 4 parts of titanium dioxide, 10103 parts of an antioxidant, AM-1013 parts of a light stabilizer and 15 parts of polyisobutylene.
A preparation method of a hot melt adhesive for lap joint of pre-laid coiled materials comprises the following steps:
s1, adding polyisobutylene, high-density polyethylene, a polymer of 1-butene and ethylene and an ethylene acrylic acid copolymer into a stirring container, heating to 200 ℃, and stirring for 1.0 h;
s2, adding maleic anhydride modified polypropylene wax, petroleum resin, an antioxidant 1010 and a light stabilizer AM-101, and stirring for 0.5 h;
s3, then adding maleic anhydride grafted ethylene propylene diene monomer and butyl rubber, and stirring for 1.0 h;
and S4, finally adding calcium carbonate and titanium dioxide, and stirring for 0.5h to obtain the hot melt adhesive.
The raw materials used in this example were purchased from the same manufacturer and type as in example 1.
Example 3
The hot melt adhesive for lapping the pre-laid coiled material comprises the following raw materials in parts by weight: 100 parts of high-density polyethylene, 15 parts of a polymer of 1-butene and ethylene, 5 parts of maleic anhydride modified polypropylene wax, 12 parts of an ethylene acrylic acid copolymer, 8 parts of maleic anhydride grafted ethylene propylene diene monomer rubber, 25 parts of butyl rubber, 20 parts of petroleum resin, 30 parts of calcium carbonate, 4 parts of titanium dioxide, 10103 parts of an antioxidant, AM-1013 parts of a light stabilizer and 15 parts of polyisobutylene.
A preparation method of a hot melt adhesive for pre-laid coiled material lap joint comprises the following steps:
s1, adding polyisobutylene, high-density polyethylene, a polymer of 1-butene and ethylene and an ethylene acrylic acid copolymer into a stirring container, heating to 200 ℃, and stirring for 1.0 h;
s2, adding maleic anhydride modified polypropylene wax, petroleum resin, an antioxidant 1010 and a light stabilizer AM-101, and stirring for 0.5 h;
s3, then adding maleic anhydride grafted ethylene propylene diene monomer and butyl rubber, and stirring for 1.0 h;
and S4, finally adding calcium carbonate and titanium dioxide, and stirring for 0.5h to obtain the hot melt adhesive.
The raw materials used in this example were purchased from the same manufacturer and type as in example 1.
Example 4
The hot melt adhesive for pre-laid coiled material lap joint comprises the following raw materials in parts by weight: 100 parts of high-density polyethylene, 18 parts of a polymer of 1-butene and ethylene, 6 parts of maleic anhydride modified polypropylene wax, 13 parts of an ethylene acrylic acid copolymer, 8 parts of maleic anhydride grafted ethylene propylene diene monomer rubber, 25 parts of butyl rubber, 20 parts of petroleum resin, 30 parts of calcium carbonate, 4 parts of titanium dioxide, 10103 parts of an antioxidant, AM-1013 parts of a light stabilizer and 16 parts of polyisobutylene.
A preparation method of a hot melt adhesive for pre-laid coiled material lap joint comprises the following steps:
s1, adding polyisobutylene, high-density polyethylene, a polymer of 1-butene and ethylene and an ethylene acrylic acid copolymer into a stirring container, heating to 200 ℃, and stirring for 1.0 h;
s2, adding maleic anhydride modified polypropylene wax, petroleum resin, an antioxidant 1010 and a light stabilizer AM-101, and stirring for 0.5 h;
s3, then adding maleic anhydride grafted ethylene propylene diene monomer and butyl rubber, and stirring for 1.0 h;
and S4, finally adding calcium carbonate and titanium dioxide, and stirring for 0.5h to obtain the hot melt adhesive.
The raw materials used in this example were purchased from the same manufacturer and type as in example 1.
Example 5
The hot melt adhesive for pre-laid coiled material lap joint comprises the following raw materials in parts by weight: 100 parts of high-density polyethylene, 22 parts of a polymer of 1-butene and ethylene, 5 parts of maleic anhydride modified polypropylene wax, 14 parts of an ethylene acrylic acid copolymer, 8 parts of maleic anhydride grafted ethylene propylene diene monomer rubber, 20 parts of butyl rubber, 20 parts of petroleum resin, 30 parts of calcium carbonate, 4 parts of titanium dioxide, 10103 parts of an antioxidant, AM-1013 parts of a light stabilizer and 18 parts of polyisobutylene.
A preparation method of a hot melt adhesive for lap joint of pre-laid coiled materials comprises the following steps:
s1, adding polyisobutylene, high-density polyethylene, a polymer of 1-butene and ethylene and an ethylene acrylic acid copolymer into a stirring container, heating to 200 ℃, and stirring for 1.0 h;
s2, adding maleic anhydride modified polypropylene wax, petroleum resin, an antioxidant 1010 and a light stabilizer AM-101, and stirring for 0.5 h;
s3, then adding maleic anhydride grafted ethylene propylene diene monomer and butyl rubber, and stirring for 1.0 h;
and S4, finally adding calcium carbonate and titanium dioxide, and stirring for 0.5h to obtain the hot melt adhesive.
The raw materials used in this example were purchased from the same manufacturer and type as in example 1.
Example 6
The hot melt adhesive for pre-laid coiled material lap joint comprises the following raw materials in parts by weight: 100 parts of high-density polyethylene, 25 parts of a polymer of 1-butene and ethylene, 8 parts of maleic anhydride modified polypropylene wax, 17 parts of an ethylene acrylic acid copolymer, 8 parts of maleic anhydride grafted ethylene propylene diene monomer rubber, 20 parts of butyl rubber, 20 parts of petroleum resin, 30 parts of calcium carbonate, 4 parts of titanium dioxide, 10103 parts of an antioxidant, AM-1013 parts of a light stabilizer and 20 parts of polyisobutylene.
A preparation method of a hot melt adhesive for pre-laid coiled material lap joint comprises the following steps:
s1, adding polyisobutylene, high-density polyethylene, a polymer of 1-butene and ethylene and an ethylene acrylic acid copolymer into a stirring container, heating to 200 ℃, and stirring for 1.0 h;
s2, adding maleic anhydride modified polypropylene wax, petroleum resin, an antioxidant 1010 and a light stabilizer AM-101, and stirring for 0.5 h;
s3, then adding maleic anhydride grafted ethylene propylene diene monomer and butyl rubber, and stirring for 1.0 h;
and S4, finally adding calcium carbonate and titanium dioxide, and stirring for 0.5h to obtain the hot melt adhesive.
The raw materials used in this example were purchased from the same manufacturer and type as in example 1.
Comparative example 1
The hot melt adhesive for lapping the pre-laid coiled material comprises the following raw materials in parts by weight: 100 parts of high-density polyethylene, 10 parts of a polymer of 1-butene and ethylene, 5 parts of polypropylene wax, 15 parts of an ethylene acrylic acid copolymer, 8 parts of ethylene propylene diene monomer, 30 parts of butyl rubber, 20 parts of petroleum resin, 30 parts of calcium carbonate, 4 parts of titanium dioxide, 10103 parts of an antioxidant, AM-1013 parts of a light stabilizer and 20 parts of polyisobutylene.
A preparation method of a hot melt adhesive for pre-laid coiled material lap joint comprises the following steps:
s1, adding polyisobutylene, high-density polyethylene, a polymer of 1-butene and ethylene and an ethylene acrylic acid copolymer into a stirring container, heating to 200 ℃, and stirring for 1.0 h;
s2, adding the polypropylene wax, the petroleum resin, the antioxidant 1010 and the light stabilizer AM-101, and stirring for 0.5 h;
s3, then adding ethylene propylene diene monomer and butyl rubber, and stirring for 1.0 h;
and S4, finally adding calcium carbonate and titanium dioxide, and stirring for 0.5h to obtain the hot melt adhesive.
Wherein:
polypropylene wax, purchased from clariant chemical ltd, model: 6102.
ethylene propylene diene monomer, purchased from dow chemical company, type: 3722P.
The other raw materials used in this example were purchased from the same manufacturer and type as in example 1.
Comparative example 2
The hot melt adhesive for lapping the pre-laid coiled material comprises the following raw materials in parts by weight: 100 parts of high-density polyethylene, 15 parts of a polymer of 1-butene and ethylene, 5 parts of maleic anhydride modified polypropylene wax, 10 parts of an ethylene acrylic acid copolymer, 8 parts of maleic anhydride grafted ethylene propylene diene monomer rubber, 30 parts of butyl rubber, 30 parts of calcium carbonate, 4 parts of titanium dioxide, 10103 parts of an antioxidant, AM-1013 parts of a light stabilizer and 15 parts of polyisobutylene.
A preparation method of a hot melt adhesive for lap joint of pre-laid coiled materials comprises the following steps:
s1, adding polyisobutylene, high-density polyethylene, a polymer of 1-butene and ethylene and an ethylene acrylic acid copolymer into a stirring container, heating to 200 ℃, and stirring for 1.0 h;
s2, adding maleic anhydride modified polypropylene wax, an antioxidant 1010 and a light stabilizer AM-101, and stirring for 0.5 h; s3, then adding maleic anhydride grafted ethylene propylene diene monomer and butyl rubber, and stirring for 1.0 h;
and S4, finally adding calcium carbonate and titanium dioxide, and stirring for 0.5h to obtain the hot melt adhesive.
The other raw materials used in this example were purchased from the same manufacturer and model as in example 1.
Comparative example 3
The hot melt adhesive for lapping the pre-laid coiled material comprises the following raw materials in parts by weight: 5 parts of maleic anhydride modified polypropylene wax, 8 parts of maleic anhydride grafted ethylene propylene diene monomer, 30 parts of butyl rubber, 20 parts of petroleum resin, 30 parts of calcium carbonate, 4 parts of titanium dioxide, 10103 parts of antioxidant, AM-1013 parts of light stabilizer and 20 parts of polyisobutylene.
A preparation method of a hot melt adhesive for lap joint of pre-laid coiled materials comprises the following steps:
s1, adding polyisobutylene, maleic anhydride modified polypropylene wax, petroleum resin, an antioxidant 1010 and a light stabilizer AM-101 into a stirring container, heating to 200 ℃, and stirring for 1.0 h;
s2, then adding maleic anhydride grafted ethylene propylene diene monomer and butyl rubber, and stirring for 1.0 h;
and S3, finally adding calcium carbonate and titanium dioxide, and stirring for 0.5h to obtain the hot melt adhesive.
The other raw materials used in this example were purchased from the same manufacturer and model as in example 1.
Performance testing
The hot melt adhesives prepared in the examples and the comparative examples were subjected to lap joint tests of pre-laid rolls, and the lap joint of the pre-laid rolls was subjected to peel strength and tensile strength tests. Reference standard: GB/T23457-. The test data are recorded in table 1.
TABLE 1
Figure BDA0002923580770000111

Claims (6)

1. The utility model provides a be used for overlapping hot melt adhesive of pre-paved coiled material which characterized in that, the raw materials by weight portion include: 80-120 parts of thermoplastic polyolefin, 10-30 parts of polyolefin elastomer, 5-10 parts of dispersant, 5-20 parts of copolymer containing acrylic acid, 5-20 parts of ethylene propylene rubber, 10-30 parts of butyl rubber, 10-50 parts of tackifier, 10-50 parts of active filler, 1-5 parts of antioxidant, 1-5 parts of light stabilizer and 10-60 parts of saturated linear polymer;
the ethylene propylene rubber is maleic anhydride grafted ethylene propylene diene monomer rubber;
the dispersant is maleic anhydride modified polypropylene wax.
2. The hot melt adhesive according to claim 1, wherein the raw materials comprise, by weight: 90-110 parts of thermoplastic polyolefin, 10-25 parts of polyolefin elastomer, 5-10 parts of dispersing agent, 5-20 parts of acrylic acid-containing copolymer, 5-13 parts of ethylene propylene rubber, 10-30 parts of butyl rubber, 10-30 parts of tackifier, 10-50 parts of active filler, 1-5 parts of antioxidant, 1-5 parts of light stabilizer and 10-40 parts of saturated linear polymer.
3. The hot melt adhesive of claim 1, wherein the thermoplastic polyolefin is a high density polyethylene.
4. The hot melt adhesive of claim 1, wherein the polyolefin elastomer is an alpha-olefin-containing polyolefin.
5. The hot melt adhesive of claim 1, wherein the saturated linear polymer is one or more of polyisobutylene, polypropylene, and polyisoprene.
6. The preparation method of the hot melt adhesive for pre-laid coil lap joint according to claim 1 is characterized by comprising the following steps:
s1, adding a saturated linear polymer, thermoplastic polyolefin, a polyolefin elastomer and a copolymer containing acrylic acid into a stirring container, heating to 180 ℃ and 220 ℃, and stirring for 0.5-1.0 h;
s2, adding a dispersing agent, a tackifier, an antioxidant and a light stabilizer, and stirring for 0.5-1.0 h;
s3, then adding ethylene propylene rubber and butyl rubber, and stirring for 1.0-1.5 h;
and S4, finally adding the active filler, and stirring for 0.5-1.0h to obtain the hot melt adhesive.
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