CN106366398A - Peroxide cross-linked polyolefin waterproof coiled material and preparation technology thereof - Google Patents
Peroxide cross-linked polyolefin waterproof coiled material and preparation technology thereof Download PDFInfo
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- CN106366398A CN106366398A CN201610735394.4A CN201610735394A CN106366398A CN 106366398 A CN106366398 A CN 106366398A CN 201610735394 A CN201610735394 A CN 201610735394A CN 106366398 A CN106366398 A CN 106366398A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- 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
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- 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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- 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
- C08L2207/066—LDPE (radical process)
Abstract
The invention provides a peroxide cross-linked polyolefin waterproof coiled material. The waterproof coiled material comprises peroxides, polyolefin resin raw materials and auxiliaries. The peroxides include dicumyl peroxide and benzoyl peroxide, and the proportion of the peroxides in the resin raw materials is 0.05-2%. The waterproof coiled material has the advantages that physical and mechanical properties are better, the maximum tension force of the waterproof coiled material is 656-924 N/50 mm, the breaking elongation of the waterproof coiled material is 832-960%, and the nail tear resistance of the waterproof coiled material is 465-679 N.
Description
Technical field
The present invention relates to a kind of peroxide crosslinking coiled water-proof polyolefine material and its preparation technology, belong to chemical waterproof neck
Domain.
Background technology
Polymer membranes, compared with traditional asphalt class waterproof roll, has excellent physical and mechanical property and easy construction
Property, it is a kind of new environment-friendly type macromolecule waterproof material, progressively favored in the market.
At present, the most frequently used polymer membranes in industry have PVC waterproof roll, EPDM waterproof rolled sheet,
TPO (tpo) waterproof roll etc., wherein EPDM waterproof rolled sheet has excellent weather resistance, but after sulfuration
EPDM waterproof rolled sheet cannot be carried out hot melt application, leads to its application limited；Though PVC waterproof roll have excellent can
Weldability, but the migration of plasticizer in coiled material can lead to material degradation failure.Existing TPO (tpo) waterproof volume
Material raw materials resin mostly is the waterproof roll of polyethylene, polypropylene or the preparation of ethylene octene copolymer elastomer although solving
Determine the problem of hot jet welding, but formed three-dimensional net structure because it does not pass through reaction, its physical and mechanical property indexs has also had
Treat in raising, particularly ageing-resistant performance with sulfuration EPDM waterproof rolled sheet poor away from larger.
Content of the invention
It is an object of the invention to provide a kind of peroxide crosslinking coiled water-proof polyolefine material and its production technology, through this work
The waterproof roll that skill is produced has excellent physical and mechanical property, ageing-resistant performance and good solderable application property.
For solving above technical problem, the technical solution used in the present invention is as follows:
A kind of peroxide crosslinking coiled water-proof polyolefine material, described water-repellent paint includes peroxide, polyolefin resin feedstock, helps
Agent.
The following is and technique scheme is further defined that
Described peroxide includes peroxidating diisopropyl, benzoyl peroxide, adding proportion in resin raw material for the peroxide
For 0.05～2%.
Described polyolefin resin feedstock includes ldpe, hdpe, poe, one or more of pp, tpo.
Described auxiliary agent is the mixture of one or more of fire retardant, antioxidant, ultraviolet absorber, light stabilizer.
The thickness of each layer of described waterproof roll is unrestricted, and preferred gross thickness is 0.50～2.00mm.
Described waterproof roll includes matrix resin, reinforced resin, cross-linking agent, antioxidant, processes hot temperature agent, uv absorption
Agent, UV light stabilizing agent, filler.
Described waterproof roll, the mass percent of each raw material components is: 80 parts of matrix resin, 20 parts of reinforced resin, crosslinking
0.05～0.2 part of agent, 0.25 part of antioxidant, 0.25 part of the hot temperature agent of processing, 0.2 part of ultraviolet absorber, UV light stabilizing agent 0.3
Part, 2.5 parts of filler.
The consumption of described cross-linking agent controls within the scope of 0.05%-0.1%.
A kind of preparation technology of peroxide crosslinking coiled water-proof polyolefine material, described preparation technology includes raw material blending step
Suddenly, in raw material blending step, blending temperature is 190 DEG C, and the blending time is 5 minutes.
Described preparation technology includes also including the raw material mixing through double screw extruder plasticizing process, in extrusion
In 10 DEG C of 190 scholar, die head temperature controls in 10 DEG C of 200 scholar extruder barrel temperature control, and head temperature controls in 10 DEG C of 220 scholar.
Using above technical scheme, the invention has the benefit that
1st, the peroxide crosslinking polyolefin of the present invention has more excellent physical and mechanical property, the maximum pull of waterproof roll
For 656-924n/50mm, the elongation at break 832-960% of waterproof roll, the nail rod tear 465-679n of waterproof roll.
2nd, peroxide crosslinking polyolefin macromolecular sheet material has three-dimensional crosslinked network structure, and the weatherability of waterproof roll obtains
To improving, at 80 DEG C, carry out the thermal ageing test of 168h, the stretching strength retentivity of waterproof roll is 104-113%, and waterproof is rolled up
The elongation rate of tensile failure conservation rate 95-98% of material.
3rd, retain good hot jet welding application property, weld strength is 10.2-12.6%.
Specific embodiment
Hereinafter the preferred embodiments of the present invention are illustrated it will be appreciated that preferred embodiment described herein is only used
In the description and interpretation present invention, it is not intended to limit the present invention.
A kind of peroxide crosslinking coiled water-proof polyolefine material of embodiment 1 and its preparation technology
A kind of peroxide crosslinking polyolefin homogenizing polymer membranes, including peroxide, polyolefin resin feedstock, helps
Agent.
Described peroxide includes peroxidating diisopropyl (dcp), benzoyl peroxide (bpo) etc., and peroxide is in resin
Adding proportion in raw material is (0.05～2%)；
Polyolefin resin feedstock includes ldpe, hdpe, poe, one or more of pp, tpo.
Described auxiliary agent is the mixture of one or more of fire retardant, antioxidant, ultraviolet absorber, light stabilizer.
Chemical crosslinking polyolefin can be used for the macromolecular sheet material Rotating fields prepared and is not particularly limited, and can be monolayer homogenizing
Any one of type structure, double-deck backing type structure, intermediate fabric Enhanced Configuration.
In above-mentioned macromolecular sheet material layer, various specific auxiliary agents can adopt this area common materials, and such as antioxidant leads to
Often select: antioxidant 264, antioxidant 1010 etc., ultraviolet absorber generally selects uv-9, uv-531, uv-360 etc., light stabilizer
Generally select BASF light stabilizer uv783,2020,622sf, uv791 etc., fire retardant generally selects APP, tricresyl phosphate
Phenyl ester, tbc, deca-BDE, TDE etc..
In the waterproof roll of the present invention, the thickness of each layer is not particularly restricted, usual gross thickness be 0.50～
2.00mm.
A kind of preparation of peroxide crosslinking polyolefin homogenizing polymer membranes:
(1) by matrix resin with processing aid mix homogeneously, processing aid includes solid cross-linking agent, antioxidant and light stabilizer,
Formula is calculated as with parts by weight:
7,042 80 parts of matrix resin ldpe
20 parts of reinforced resin hdpe 5000s
0.05 part of cross-linking agent dcp
0.25 part of antioxidant b1010
Process 168 0.25 parts of hot temperature agent
944 0.2 parts of ultraviolet absorber
0.3 part of UV light stabilizing agent uv9
2.5 parts of other filler titanium dioxides
(2) raw material mixing is plastified through double screw extruder, cross-linking agent being caused cross-linking reaction by during hot-extrudable,
In extrusion, extruder barrel temperature control is in 10 DEG C of 190 scholar, and die head temperature controls in 10 DEG C of 200 scholar, and head temperature controls in 220 scholars
10 DEG C, extrusion sheet is through three rolling calender calendering formations；It is characterized in that blending temperature is 190 DEG C in described blending step,
The blending time is 5 minutes, and the sheet thickness of calendering formation is 0.7mm.
A kind of peroxide crosslinking coiled water-proof polyolefine material of embodiment 2 and its preparation technology
A kind of peroxide crosslinking polyolefin homogenizing polymer membranes, including peroxide, polyolefin resin feedstock, helps
Agent.
Described peroxide includes peroxidating diisopropyl (dcp), benzoyl peroxide (bpo) etc., and peroxide is in resin
Adding proportion in raw material is (0.05～2%)；
Polyolefin resin feedstock includes ldpe, hdpe, poe, one or more of pp, tpo.
Described auxiliary agent is the mixture of one or more of fire retardant, antioxidant, ultraviolet absorber, light stabilizer.
Chemical crosslinking polyolefin can be used for the macromolecular sheet material Rotating fields prepared and is not particularly limited, and can be monolayer homogenizing
Any one of type structure, double-deck backing type structure, intermediate fabric Enhanced Configuration.
In above-mentioned macromolecular sheet material layer, various specific auxiliary agents can adopt this area common materials, and such as antioxidant leads to
Often select: antioxidant 264, antioxidant 1010 etc., ultraviolet absorber generally selects uv-9, uv-531, uv-360 etc., light stabilizer
Generally select BASF light stabilizer uv783,2020,622sf, uv791 etc., fire retardant generally selects APP, tricresyl phosphate
Phenyl ester, tbc, deca-BDE, TDE etc..
In the waterproof roll of the present invention, the thickness of each layer is not particularly restricted, usual gross thickness be 0.50～
2.00mm.
A kind of preparation of peroxide crosslinking polyolefin homogenizing polymer membranes:
(1) by matrix resin with processing aid mix homogeneously, processing aid includes solid cross-linking agent, antioxidant and light stabilizer,
Formula is calculated as with parts by weight:
7,042 80 parts of matrix resin ldpe
20 parts of reinforced resin hdpe 5000s
0.1 part of cross-linking agent dcp
0.25 part of antioxidant 1010
Process 168 0.25 parts of hot temperature agent
944 0.2 parts of ultraviolet absorber
0.3 part of UV light stabilizing agent uv9
2.5 parts of other filler titanium dioxides
(2) raw material mixing is plastified through double screw extruder, cross-linking agent is subject to thermal initiation cross-linking reaction during extrusion,
In extrusion, extruder barrel temperature control is in 10 DEG C of 190 scholar, and die head temperature controls in 10 DEG C of 200 scholar, and head temperature controls in 220 scholars
10 DEG C, extrusion sheet is through three rolling calender calendering formations；It is characterized in that blending temperature is 190 DEG C in described blending step,
The blending time is 5 minutes, and the sheet thickness of calendering formation is 0.7mm.
A kind of peroxide crosslinking coiled water-proof polyolefine material of embodiment 3 and its preparation technology
A kind of peroxide crosslinking polyolefin homogenizing polymer membranes, including peroxide, polyolefin resin feedstock, helps
Agent.
Described peroxide includes peroxidating diisopropyl (dcp), benzoyl peroxide (bpo) etc., and peroxide is in resin
Adding proportion in raw material is (0.05～2%)；
Polyolefin resin feedstock includes ldpe, hdpe, poe, one or more of pp, tpo.
Described auxiliary agent is the mixture of one or more of fire retardant, antioxidant, ultraviolet absorber, light stabilizer.
Chemical crosslinking polyolefin can be used for the macromolecular sheet material Rotating fields prepared and is not particularly limited, and can be monolayer homogenizing
Any one of type structure, double-deck backing type structure, intermediate fabric Enhanced Configuration.
In above-mentioned macromolecular sheet material layer, various specific auxiliary agents can adopt this area common materials, and such as antioxidant leads to
Often select: antioxidant 264, antioxidant 1010 etc., ultraviolet absorber generally selects uv-9, uv-531, uv-360 etc., light stabilizer
Generally select BASF light stabilizer uv783,2020,622sf, uv791 etc., fire retardant generally selects APP, tricresyl phosphate
Phenyl ester, tbc, deca-BDE, TDE etc..
In the waterproof roll of the present invention, the thickness of each layer is not particularly restricted, usual gross thickness be 0.50～
2.00mm.
A kind of preparation of peroxide crosslinking polyolefin homogenizing polymer membranes:
(1) by matrix resin with processing aid mix homogeneously, processing aid includes solid cross-linking agent, antioxidant and light stabilizer,
Formula is calculated as with parts by weight:
7,042 80 parts of matrix resin ldpe
20 parts of reinforced resin hdpe 5000s
0.2 part of cross-linking agent dcp
0.25 part of antioxidant b1010
Process 168 0.25 parts of hot temperature agent
944 0.2 parts of ultraviolet absorber
0.3 part of UV light stabilizing agent uv9
2.5 parts of other filler titanium dioxides
(2) raw material mixing is plastified through double screw extruder, cross-linking agent being caused cross-linking reaction by during hot-extrudable,
In extrusion, extruder barrel temperature control is in 10 DEG C of 190 scholar, and die head temperature controls in 10 DEG C of 200 scholar, and head temperature controls in 220 scholars
10 DEG C, extrusion sheet is through three rolling calender calendering formations；It is characterized in that blending temperature is 190 DEG C in described blending step,
The blending time is 5 minutes, and the sheet thickness of calendering formation is 0.7mm.
A kind of peroxide crosslinking coiled water-proof polyolefine material of embodiment 4 and its preparation technology
A kind of peroxide crosslinking polyolefin homogenizing polymer membranes, including peroxide, polyolefin resin feedstock, helps
Agent.
Described peroxide includes peroxidating diisopropyl (dcp), benzoyl peroxide (bpo) etc., and peroxide is in resin
Adding proportion in raw material is (0.05～2%)；
Polyolefin resin feedstock includes ldpe, hdpe, poe, one or more of pp, tpo.
Described auxiliary agent is the mixture of one or more of fire retardant, antioxidant, ultraviolet absorber, light stabilizer.
Chemical crosslinking polyolefin can be used for the macromolecular sheet material Rotating fields prepared and is not particularly limited, and can be monolayer homogenizing
Any one of type structure, double-deck backing type structure, intermediate fabric Enhanced Configuration.
In above-mentioned macromolecular sheet material layer, various specific auxiliary agents can adopt this area common materials, and such as antioxidant leads to
Often select: antioxidant 264, antioxidant 1010 etc., ultraviolet absorber generally selects uv-9, uv-531, uv-360 etc., light stabilizer
Generally select BASF light stabilizer uv783,2020,622sf, uv791 etc., fire retardant generally selects APP, tricresyl phosphate
Phenyl ester, tbc, deca-BDE, TDE etc..
In the waterproof roll of the present invention, the thickness of each layer is not particularly restricted, usual gross thickness be 0.50～
2.00mm.
A kind of preparation of peroxide crosslinking polyolefin homogenizing polymer membranes:
(1) it is the effect comparing crosslinked polyethylene, the Low Density Polyethylene macromolecular sheet material without cross-linking agent is contrasted
Test, formula is calculated as with parts by weight:
7,042 80 parts of matrix resin ldpe
20 parts of reinforced resin hdpe 5000s
0.25 part of antioxidant b1010
Process 168 0.25 parts of hot temperature agent
944 0.2 parts of ultraviolet absorber
0.3 part of UV light stabilizing agent uv9
2.5 parts of other filler titanium dioxides
(2) raw material mixing is plastified through double screw extruder, cross-linking agent being caused cross-linking reaction by during hot-extrudable,
In extrusion, extruder barrel temperature control is in 10 DEG C of 190 scholar, and die head temperature controls in 10 DEG C of 200 scholar, and head temperature controls in 220 scholars
10 DEG C, extrusion sheet is through three rolling calender calendering formations；It is characterized in that blending temperature is 190 DEG C in described blending step,
The blending time is 5 minutes, and the sheet thickness of calendering formation is 0.7mm.
A kind of peroxide crosslinking coiled water-proof polyolefine material of embodiment 5 and its preparation technology
A kind of peroxide crosslinking polyolefin homogenizing polymer membranes, including peroxide, polyolefin resin feedstock, helps
Agent.
Described peroxide includes peroxidating diisopropyl (dcp), benzoyl peroxide (bpo) etc., and peroxide is in resin
Adding proportion in raw material is (0.05～2%)；
Polyolefin resin feedstock includes ldpe, hdpe, poe, one or more of pp, tpo.
Described auxiliary agent is the mixture of one or more of fire retardant, antioxidant, ultraviolet absorber, light stabilizer.
Chemical crosslinking polyolefin can be used for the macromolecular sheet material Rotating fields prepared and is not particularly limited, and can be monolayer homogenizing
Any one of type structure, double-deck backing type structure, intermediate fabric Enhanced Configuration.
In above-mentioned macromolecular sheet material layer, various specific auxiliary agents can adopt this area common materials, and such as antioxidant leads to
Often select: antioxidant 264, antioxidant 1010 etc., ultraviolet absorber generally selects uv-9, uv-531, uv-360 etc., light stabilizer
Generally select BASF light stabilizer uv783,2020,622sf, uv791 etc., fire retardant generally selects APP, tricresyl phosphate
Phenyl ester, tbc, deca-BDE, TDE etc..
In the waterproof roll of the present invention, the thickness of each layer is not particularly restricted, usual gross thickness be 0.50～
2.00mm.
A kind of preparation of peroxide crosslinking polyolefin homogenizing polymer membranes:
(1) by matrix resin with processing aid mix homogeneously, processing aid includes solid cross-linking agent, antioxidant and light stabilizer,
Formula is calculated as with parts by weight:
7,042 60 parts of matrix resin ldpe
15 parts of reinforced resin hdpe 5000s
0.05 part of cross-linking agent dcp
0.15 part of antioxidant b1010
Process 168 0.15 parts of hot temperature agent
944 0.3 parts of ultraviolet absorber
0.5 part of UV light stabilizing agent uv9
5 parts of other filler titanium dioxides
(2) raw material mixing is plastified through double screw extruder, cross-linking agent being caused cross-linking reaction by during hot-extrudable,
In extrusion, extruder barrel temperature control is in 10 DEG C of 190 scholar, and die head temperature controls in 10 DEG C of 200 scholar, and head temperature controls in 220 scholars
10 DEG C, extrusion sheet is through three rolling calender calendering formations；It is characterized in that blending temperature is 190 DEG C in described blending step,
The blending time is 5 minutes, and the sheet thickness of calendering formation is 0.7mm.
A kind of peroxide crosslinking coiled water-proof polyolefine material of embodiment 6 and its preparation technology
A kind of peroxide crosslinking polyolefin homogenizing polymer membranes, including peroxide, polyolefin resin feedstock, helps
Agent.
Described peroxide includes peroxidating diisopropyl (dcp), benzoyl peroxide (bpo) etc., and peroxide is in resin
Adding proportion in raw material is (0.05～2%).
Polyolefin resin feedstock includes ldpe, hdpe, poe, one or more of pp, tpo.
Described auxiliary agent is the mixture of one or more of fire retardant, antioxidant, ultraviolet absorber, light stabilizer.
Chemical crosslinking polyolefin can be used for the macromolecular sheet material Rotating fields prepared and is not particularly limited, and can be monolayer homogenizing
Any one of type structure, double-deck backing type structure, intermediate fabric Enhanced Configuration.
In above-mentioned macromolecular sheet material layer, various specific auxiliary agents can adopt this area common materials, and such as antioxidant leads to
Often select: antioxidant 264, antioxidant 1010 etc., ultraviolet absorber generally selects uv-9, uv-531, uv-360 etc., light stabilizer
Generally select BASF light stabilizer uv783,2020,622sf, uv791 etc., fire retardant generally selects APP, tricresyl phosphate
Phenyl ester, tbc, deca-BDE, TDE etc..
In the waterproof roll of the present invention, the thickness of each layer is not particularly restricted, usual gross thickness be 0.50～
2.00mm.
A kind of preparation of peroxide crosslinking polyolefin homogenizing polymer membranes:
(1) by matrix resin with processing aid mix homogeneously, processing aid includes solid cross-linking agent, antioxidant and light stabilizer,
Formula is calculated as with parts by weight:
7,042 60 parts of matrix resin ldpe
15 parts of reinforced resin hdpe 5000s
0.1 part of cross-linking agent dcp
0.15 part of antioxidant b1010
Process 168 0.15 parts of hot temperature agent
944 0.3 parts of ultraviolet absorber
0.5 part of UV light stabilizing agent uv9
5 parts of flax extract
2 parts of alkyl succinimide
0.5 part of 2- butyl -1,2- benzisothiazole-3-ketone
1.5 parts of tetrafluoroethene
0.8 part of germanium mineral dust
1 part of BBP(Butyl Benzyl Phthalate
5 parts of other filler titanium dioxides
Described matrix resin
(2) raw material mixing is plastified through double screw extruder, cross-linking agent being caused cross-linking reaction by during hot-extrudable,
In extrusion, extruder barrel temperature control is in 10 DEG C of 190 scholar, and die head temperature controls in 10 DEG C of 200 scholar, and head temperature controls in 220 scholars
10 DEG C, extrusion sheet is through three rolling calender calendering formations；It is characterized in that blending temperature is 190 DEG C in described blending step,
The blending time is 5 minutes, and the sheet thickness of calendering formation is 0.7mm.
Performance detection is carried out to the product of above-mentioned six embodiments, detection method presses gb18173.1 macromolecule waterproof volume
The standard of material is carried out, and its result is as shown in table 1.
Using leister varimat v2 type weld welding machine, it is 500 DEG C in welding temperature, speed of welding 2.0m/
Under conditions of min, hot jet welding is carried out to coiled material, the product after welding carries out seam peel strength test, each reality after placing 24h
The mean peel strength applying the product of example lists table 1 in.
The physical and mechanical property of the different embodiment macromolecular sheet material of table 1.
From the detection data of table 1, the thick tensile strength of Low Density Polyethylene macromolecular sheet material of 0.7mm and nail rod tear
Intensity will less than high score subclass overlay waterproof roll application requirement (pulling force > 500n/50mm, nail rod tears > 400n, fracture stretches
Long rate > 400%), after adding a certain proportion of dcp cross-linking agent, the tensile strength of macromolecular sheet material and tearing strength are all able to bright
Aobvious raising, elongation at break declines, and after being heated, dimensional stability improves, and the strength retention after heat ageing is also significantly carried
Rise, low-temperature bending also can meet requirement.The 0.7mm thick sheet that wherein embodiment 1 and embodiment 2 are obtained can meet and overlays waterproof
The application requirement of coiled material, embodiment 3 is larger due to content of crosslinking agent, and crosslinking degree is higher although pulling force and tearing strength are lifted
Very big, but elongation at break declines too much, undesirable.Therefore, the content of crosslinking agent for polyethylene waterproof material is controlled
System is within the scope of 0.05%-0.1%.
Finally it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention,
Although being described in detail to the present invention with reference to the foregoing embodiments, for a person skilled in the art, it still may be used
To modify to the technical scheme described in foregoing embodiments, or equivalent is carried out to wherein some technical characteristics.
All any modification, equivalent substitution and improvement within the spirit and principles in the present invention, made etc., should be included in the present invention's
Within protection domain.
Claims (10)
1. a kind of peroxide crosslinking coiled water-proof polyolefine material it is characterised in that: described waterproof roll includes peroxide, polyene
Hydrocarbon resin raw material, auxiliary agent.
2. a kind of peroxide crosslinking coiled water-proof polyolefine material according to claim 1 it is characterised in that: described peroxidating
Thing includes peroxidating diisopropyl, benzoyl peroxide, and adding proportion in resin raw material for the peroxide is 0.05～2%.
3. a kind of peroxide crosslinking coiled water-proof polyolefine material according to claim 1 it is characterised in that: described polyolefin
Resin raw material includes ldpe, hdpe, poe, one or more of pp, tpo.
4. a kind of peroxide crosslinking coiled water-proof polyolefine material according to claim 1 it is characterised in that: described auxiliary agent is
The mixture of one or more of fire retardant, antioxidant, ultraviolet absorber, light stabilizer.
5. a kind of peroxide crosslinking coiled water-proof polyolefine material according to claim 1 it is characterised in that: described waterproof volume
The thickness of each layer of material is unrestricted, and preferred gross thickness is 0.50～2.00mm.
6. a kind of peroxide crosslinking coiled water-proof polyolefine material according to claim 1 it is characterised in that: described waterproof volume
Material includes matrix resin, reinforced resin, cross-linking agent, antioxidant, ultraviolet absorber, UV light stabilizing agent, filler.
7. a kind of peroxide crosslinking coiled water-proof polyolefine material according to claim 1 it is characterised in that: described waterproof volume
Material, the mass percent of each raw material components is: 80 parts of matrix resin, 20 parts of reinforced resin, 0.05～0.2 part of cross-linking agent, antioxygen
0.25 part of agent, 0.25 part of the hot temperature agent of processing, 0.2 part of ultraviolet absorber, 0.3 part of UV light stabilizing agent, 2.5 parts of filler.
8. a kind of peroxide crosslinking coiled water-proof polyolefine material according to claim 7 it is characterised in that: described cross-linking agent
Consumption control within the scope of 0.05%-0.1%.
9. a kind of preparation technology of peroxide crosslinking coiled water-proof polyolefine material it is characterised in that: described preparation technology includes former
Material blending step, in raw material blending step, blending temperature is 190 DEG C, and the blending time is 5 minutes.
10. the preparation technology of a kind of peroxide crosslinking coiled water-proof polyolefine material according to claim 9, its feature exists
In: described preparation technology includes also including the raw material mixing through double screw extruder plasticizing process, machine barrel in extrusion
In 10 DEG C of 190 scholar, die head temperature controls in 10 DEG C of 200 scholar temperature control, and head temperature controls in 10 DEG C of 220 scholar.
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| CN111454510A (en) * | 2020-06-03 | 2020-07-28 | 四川省宏源防水工程有限公司 | Preparation and application of high-resilience EPO (erythropoietin) high polymer material |
| CN113956558A (en) * | 2021-10-18 | 2022-01-21 | 南通科顺建筑新材料有限公司 | High-density polyethylene waterproof coiled material basement membrane, preparation method thereof and high-density polyethylene waterproof coiled material |
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