CN108284575A - Wide cut compound water-proof and preparation method thereof - Google Patents
Wide cut compound water-proof and preparation method thereof Download PDFInfo
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- CN108284575A CN108284575A CN201711419799.8A CN201711419799A CN108284575A CN 108284575 A CN108284575 A CN 108284575A CN 201711419799 A CN201711419799 A CN 201711419799A CN 108284575 A CN108284575 A CN 108284575A
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- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
-
- 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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- 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
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/005—Tarpaulins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/552—Fatigue strength
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/712—Weather resistant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of wide cut compound water-proof and preparation method thereof, which includes weathering layer, easy layer, high-strength layer, easy layer, weathering layer successively from top to bottom.Wide cut compound water-proof overlap joint is more safe and reliable, and construction is more convenient.
Description
Technical field
The invention belongs to waterproof roll fields, more particularly, to a kind of wide cut compound water-proof and preparation method thereof.
Background technology
Splash guard is called geomembrane, and the geomembrane that thickness is traditionally more than or equal to 0.8mm thickness is less than splash guard
0.8mm thickness is geomembrane, it is to be divided into homogeneous waterproof using high molecular polymer as a kind of impervious material made of base stock
Plate and compound water-proof.The major function of splash guard is the leakage for preventing liquid and the volatilization of gas, and splash guard is in rock engineering
In effect it is predominantly anti-blend isolation, but also function to the effect of reinforcement and protection simultaneously.It is mainly used in：Native stone
The antiseepage of the engineerings such as dam, rock-fill dams, stone masonry dam, concrete dam, tailing dam, sewage reservoir dam, channel, liquid storage pool, subway, basement
With tunnel anti-leakage lining, the antiseepage of road and rail ground, tie filament geotextiles, bentonite waterproof blanket in sanitary garbage landfill yard
Equal earth working materials use etc..
Ethylene-vinyl acetate copolymer splash guard is a kind of suitable for various culverts, the drainage systems in tunnel, bullet
Property, flexibility, permeability it is good, and have good flexibility and sweat soldering performance.But the most ethene-vinyl acetate in market
There are the irregular present situations of quality for copolymer splash guard, such as VA contents are few, intensity is low, weatherability is poor, wide cut is occupied with 3 meters
The problems such as more, the more and not prison welding of overlap joint.Especially because the uncertainty of construction speed, building site material exposes one section
Overall performance is decreased obviously after time, cannot be satisfied practice of construction needs.
Therefore, it is necessary to develop a kind of ageing-resistant performances, and overlap joint number of edges is more securely and reliably greatly decreased in more excellent, overlap joint
Amount, the wide cut compound water-proof and preparation method thereof to effectively reduce percolating water hidden danger.
Invention content
The present invention proposes a kind of wide cut compound water-proof and preparation method thereof, the wide cut compound water-proof ageing-resistant performance
It is excellent, physical mechanical property is stable, overlap joint it is convenient it is reliable, integral waterproofing effect is more preferable.
To achieve the goals above, a kind of wide cut compound water-proof, the wide cut are provided according to an aspect of the present invention
Compound water-proof includes weathering layer, easy layer, high-strength layer, easy layer, weathering layer successively from top to bottom.
A kind of preparation method of wide cut compound water-proof is provided according to another aspect of the present invention, and preparation method includes：
(1) dispensing：Raw material is weighed respectively in component and ratio；
(2) batch mixing：It adds raw materials into blender and is stirred；
(3) blending extrusion：Raw material after batch mixing is fed into three single screw extrusion machines；
(4) it is molded：Material after extrusion crosses the filtering of draping filter, and melt metering pump supercharging pumping is crossed five laminar flow roads and set
It is compound in meter die head progress mould, then through three-roller calendar and cooling unit is forced to be shaped；
(5) cooling：Air cooling；
(6) it winds.
The beneficial effects of the present invention are：
1) include five layers of composite structural design, i.e., most surface layer is weathering layer, and secondary surface layer is easy layer, and middle layer is high-strength
Layer gives full play to the outstanding properties of layers of material, and it is more excellent to prepare product overall performance.
2) it is designed by each level formula, keeps wide cut compound water-proof ageing-resistant performance more excellent, workability is more
Convenient reliable, physical mechanical property is more stablized.
3) composite molding technique in mould is combined so that layers of material stable homogeneous.
4) wide cut compound water-proof promotes ageing-resistant performance, prolongs the service life；Effectively reduce overlap edge quantity, construction effect
Fruit is more safe and reliable, convenient and efficient, ensures that integral waterproofing effect saves cost simultaneously, improves efficiency.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Specific implementation mode
The preferred embodiment of the present invention is described in more detail below.Although the following describe the preferred implementations of the present invention
Mode, however, it is to be appreciated that may be realized in various forms the present invention without should be limited by embodiments set forth herein.Phase
Instead, these embodiments are provided so that the present invention is more thorough and complete, and can be by the scope of the present invention completely
It is communicated to those skilled in the art.
Provide a kind of wide cut compound water-proof according to an aspect of the present invention, the wide cut compound water-proof from top to bottom according to
Secondary includes weathering layer, easy layer, high-strength layer, easy layer, weathering layer.
The width of the wide cut compound water-proof of the present invention can reach 7m-9m, so as to effectively reduce overlap edge quantity.
Preferably, the raw material for preparing the weathering layer includes：Resin raw material, antioxidant, ultraviolet absorber and light
Steady agent.
Preferably, the resin raw material is extrusion grade thermoplastic polyolefin elastomer resin raw material.
Preferably, in terms of mass fraction, resin raw material is 100 parts, and antioxidant is 0.5-1.5 parts, UV absorption
Agent is 0.5-1.5 parts, and the steady agent of light is 0.5-1.5 parts.
Specifically, by selecting resin raw material, antioxidant, ultraviolet absorber and the steady agent of light and its proportioning, wide cut can be made
Compound water-proof excellent in mechanical performance, workability are more stable and reliable.Can effectively improve prepare product ageing-resistant performance and
Service life.
It is highly preferred that extrusion grade thermoplastic polyolefin elastomer resin raw material can be commercially available, preferably Li Ande
Basel HifaxTMCA series TPO resins, antioxidant, ultraviolet absorber and the steady agent of light also can be commercially available, preferably
Purchased from BASF.
Preferably, the easy layer includes：Linear low density polyethylene (LLDPE) and ethylene-vinyl acetate copolymer, with
The content of mass fraction meter, the linear low density polyethylene (LLDPE) is 60-90 parts, and the content of ethylene-vinyl acetate copolymer is 10-
30 parts.
Preferably, the linear low density polyethylene (LLDPE) be melt index be 0.5-3.0g/10min, density is
0.915-0.925g/cm3Linear low density polyethylene, the ethylene-vinyl acetate copolymer be VA contents -5%-30%
Ethylene-vinyl acetate copolymer.
Specifically, easy layer can be protected effectively by selecting linear low density polyethylene (LLDPE) and ethylene-vinyl acetate copolymer
The sweat soldering performance and flexibility of product are demonstrate,proved, the construction application performance and overlap joint effect of wide cut compound water-proof are improved.
Preferably, the high-strength layer includes：High density polyethylene (HDPE) and medium density polyethylene, in terms of mass fraction,
The content of the high density polyethylene (HDPE) is 20-40 parts, 60-80 parts of the content of the medium density polyethylene.
Preferably, the high density polyethylene (HDPE) be melt index be 0.1-2.0g/10min, density 0.94-
0.95g/cm3High density polyethylene (HDPE), the medium density polyethylene be melt index be 0.5-3.0g/10min, density is
0.93-0.94g/cm3Medium density polyethylene.
Specifically, high-strength layer is compound anti-by selecting high density polyethylene (HDPE) and medium density polyethylene that wide cut can be effectively ensured
The physical mechanical property of water plate.
A kind of preparation method of wide cut compound water-proof, the preparation method packet are provided according to another aspect of the present invention
It includes：
(1) dispensing：Raw material is weighed respectively in component and ratio；
(2) batch mixing：It adds raw materials into blender and is stirred；
(3) blending extrusion：Raw material after batch mixing is fed into three single screw extrusion machines；
(4) it is molded：Material after extrusion crosses the filtering of draping filter, and melt metering pump supercharging pumping is crossed five laminar flow roads and set
It is compound in meter die head progress mould, then through three-roller calendar and cooling unit is forced to be shaped；
(5) cooling：Air cooling；
(6) it winds.
Preferably, in step (2), mixture temperature is 50 ± 10 DEG C, incorporation time 10-15 minutes；
In step (3), the screw rod of single screw extrusion machine is respectively 170 ± 10 in feeding section, melt zone, metering section temperature
℃、180±10℃、190±10℃；
In step (4), three roll temperatures of three-roller calendar are respectively 40 ± 5 DEG C, 60 ± 5 DEG C, 80 ± 5 DEG C.
By following embodiment, the present invention will be described in more detail.
Embodiment 1
A kind of wide cut compound water-proof is made of the design of following five-layer structure, is followed successively by weathering layer, easily weldering from top to bottom
Layer, high-strength layer, easy layer, weathering layer, wide cut 8m, integral thickness 1.5mm, the wherein thickness of weathering layer are 0.075mm, easy layer
Thickness be 0.3mm, the thickness of high-strength layer is 0.75mm；
It is made of the raw material of following mass fraction：
Weathering layer, 100 parts of TPO resins, 1 part of antioxidant, 1 part of ultraviolet absorber, 1 part of the steady agent of light；Easy layer, line style are low close
Spend 75 parts of polyethylene, 25 parts of ethylene-vinyl acetate copolymer；High-strength layer, 30 parts of high density polyethylene (HDPE), medium density polyethylene, 70
Part.
Wherein, linear low density polyethylene (LLDPE) be melt index be 0.5g/10min, density 0.915g/cm3It is linear low
Density polyethylene, ethylene-vinyl acetate copolymer are the ethylene-vinyl acetate copolymer of VA contents 18%.
Wherein, high density polyethylene (HDPE) be melt index be 0.1g/10min, density 0.95g/cm3High-density polyethylene
Alkene, medium density polyethylene be melt index be 3.0g/10min, density 0.93g/cm3Medium density polyethylene.
The performance test results are shown in Table 1.
Embodiment 2
A kind of wide cut compound water-proof is made of the design of following five-layer structure, is followed successively by weathering layer, easily weldering from top to bottom
Layer, high-strength layer, easy layer, weathering layer, wide cut 8m, integral thickness 1.5mm, the wherein thickness of weathering layer are 0.1mm, easy layer
Thickness is 0.3mm, and the thickness of high-strength layer is 0.7mm；
It is made of the raw material of following mass fraction：
Weathering layer, 100 parts of TPO resins, 0.5 part of antioxidant, 0.5 part of ultraviolet absorber, 0.5 part of the steady agent of light；Easy layer, line
60 parts of type low density polyethylene (LDPE), 40 parts of ethylene-vinyl acetate copolymer；High-strength layer, 20 parts of high density polyethylene (HDPE), the middle poly- second of density
Alkene, 80 parts.
Wherein, linear low density polyethylene (LLDPE) be melt index be 3.0g/10min, density 0.925g/cm3It is linear low
Density polyethylene, ethylene-vinyl acetate copolymer are the ethylene-vinyl acetate copolymer of VA contents 9%.
Wherein, high density polyethylene (HDPE) be melt index be 2.0g/10min, density 0.94g/cm3High-density polyethylene
Alkene, medium density polyethylene be melt index be 0.5g/10min, density 0.94g/cm3Medium density polyethylene.
The performance test results are shown in Table 2.
Embodiment 3
A kind of wide cut compound water-proof is made of the design of following five-layer structure, is followed successively by weathering layer, easily weldering from top to bottom
Layer, high-strength layer, easy layer, weathering layer, wide cut 8m, integral thickness 1.5mm, the wherein thickness of weathering layer are 0.05mm, easy layer
Thickness be 0.3mm, the thickness of high-strength layer is 0.8mm；
It is made of the raw material of following mass fraction：
Weathering layer, 100 parts of TPO resins, 1.5 parts of antioxidant, 1.5 parts of ultraviolet absorber, 1.5 parts of the steady agent of light；Easy layer, line
90 parts of type low density polyethylene (LDPE), 10 parts of ethylene-vinyl acetate copolymer；High-strength layer, 40 parts of high density polyethylene (HDPE), the middle poly- second of density
Alkene, 60 parts.
Wherein, linear low density polyethylene (LLDPE) be melt index be 2.0g/10min, density 0.915g/cm3It is linear low
Density polyethylene, ethylene-vinyl acetate copolymer are the ethylene-vinyl acetate copolymer of VA contents 28%.
Wherein, high density polyethylene (HDPE) be melt index be 1.0g/10min, density 0.94g/cm3High-density polyethylene
Alkene, medium density polyethylene be melt index be 2.0g/10min, density 0.94g/cm3Medium density polyethylene.
The performance test results are shown in Table 3.
Test case 1
Testing standard is according to TB/T 3360.1-2014《Railway tunnel waterproof material part 1：Splash guard》, test result
It is shown in Table 1, table 2 and table 3.
1 embodiment of table, 1 wide cut compound water-proof test result
| Serial number | Detection project | Standard requirement | Existing product | The present invention prepares product |
| 1 | Tensile strength (MPa) | ≥18 | 20 | 25 |
| 2 | Elongation at break (%) | ≥650 | 715 | 794 |
| 3 | Tearing strength (KN/m) | ≥100 | 91 | 125 |
| 4 | Artificial marquisization (stretching strength retentivity) | ≥80 | 85 | 98 |
| 5 | Seam peel strength, (N/mm) | - | 524 | 675 |
2 embodiment of table, 2 wide cut compound water-proof test result
| Serial number | Detection project | Standard requirement | Existing product | The present invention prepares product |
| 1 | Tensile strength (MPa) | ≥18 | 21 | 23 |
| 2 | Elongation at break (%) | ≥650 | 683 | 831 |
| 3 | Tearing strength (KN/m) | ≥100 | 113 | 129 |
| 4 | Artificial marquisization (stretching strength retentivity) | ≥80 | 88 | 119 |
| 5 | Seam peel strength, (N/mm) | - | 564 | 613 |
3 embodiment of table, 3 wide cut compound water-proof test result
| Serial number | Detection project | Standard requirement | Existing product | The present invention prepares product |
| 1 | Tensile strength (MPa) | ≥18 | 20 | 27 |
| 2 | Elongation at break (%) | ≥650 | 723 | 776 |
| 3 | Tearing strength (KN/m) | ≥100 | 106 | 128 |
| 4 | Artificial marquisization (stretching strength retentivity) | ≥80 | 83 | 95 |
| 5 | Seam peel strength, (N/mm) | - | 341 | 698 |
The present invention is can be seen that by embodiment test result and prepares product wide cut up to 7-9 meters, can effectively reduce overlap joint
Number of edges amount reduces energy consumption to improve construction efficiency；Using advanced five-layer structure design and mould in composite molding technique,
Weathering layer effectively improves the ageing-resistant performance and service life of product, and the sweat soldering performance of product can be effectively ensured in easy layer
And the mechanical strength for preparing product can be effectively ensured in flexibility, high-strength layer so that the comprehensive performance for preparing product is improved.
Various embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes will be apparent from for the those of ordinary skill in art field.
Claims (10)
1. a kind of wide cut compound water-proof, which is characterized in that the wide cut compound water-proof from top to bottom successively include weathering layer,
Easy layer, high-strength layer, easy layer, weathering layer.
2. wide cut compound water-proof according to claim 1, which is characterized in that the raw material for preparing the weathering layer includes：
Resin raw material, antioxidant, ultraviolet absorber and the steady agent of light.
3. wide cut compound water-proof according to claim 2, which is characterized in that the resin raw material is to squeeze out grade thermoplastic
Polyolefin elastomer resin raw material.
4. wide cut compound water-proof according to claim 2, which is characterized in that in terms of mass fraction, the use of resin raw material
Amount is 100 parts, and the dosage of antioxidant is 0.5-1.5 parts, and the dosage of ultraviolet absorber is 0.5-1.5 parts, and the dosage of the steady agent of light is
0.5-1.5 parts.
5. wide cut compound water-proof according to claim 1, which is characterized in that the easy layer includes：Linear, low density
Polyethylene and ethylene-vinyl acetate copolymer, in terms of mass fraction, the content of the linear low density polyethylene (LLDPE) is 60-90 parts,
The content of ethylene-vinyl acetate copolymer is 10-30 parts.
6. wide cut compound water-proof according to claim 5, which is characterized in that the linear low density polyethylene (LLDPE) is melting
Index is 0.5-3.0g/10min, density 0.915-0.925g/cm3Linear low density polyethylene, the ethyl vinyl acetate second
Alkene copolymer is the ethylene-vinyl acetate copolymer of VA contents 5%-30%.
7. wide cut compound water-proof according to claim 1, which is characterized in that the high-strength layer includes：High-density polyethylene
Alkene and medium density polyethylene, in terms of mass fraction, the content of the high density polyethylene (HDPE) is 20-40 parts, the middle poly- second of density
60-80 parts of the content of alkene.
8. wide cut compound water-proof according to claim 7, which is characterized in that the high density polyethylene (HDPE) is melt index
For 0.1-2.0g/10min, density 0.94-0.95g/cm3High density polyethylene (HDPE), the medium density polyethylene be melting refer to
Number is 0.5-3.0g/10min, density 0.93-0.94g/cm3Medium density polyethylene.
9. the preparation method of the wide cut compound water-proof described in any one of claim 1-8, which is characterized in that the preparation side
Method includes：
(1) dispensing：Raw material is weighed respectively in component and ratio；
(2) batch mixing：It adds raw materials into blender and is stirred；
(3) blending extrusion：Raw material after batch mixing is fed into three single screw extrusion machines；
(4) it is molded：Material after extrusion crosses the filtering of draping filter, and five layers of runner design mould are crossed in melt metering pump supercharging pumping
It is compound in head progress mould, then through three-roller calendar and force cooling unit sizing；
(5) cooling：Air cooling；
(6) it winds.
10. preparation method according to claim 9, which is characterized in that
In step (2), mixture temperature is 50 ± 10 DEG C, incorporation time 10-15 minutes；
In step (3), the screw rod of single screw extrusion machine feeding section, melt zone, metering section temperature be respectively 170 ± 10 DEG C, 180
±10℃、190±10℃；
In step (4), three roll temperatures of three-roller calendar are respectively 40 ± 5 DEG C, 60 ± 5 DEG C, 80 ± 5 DEG C.
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| CN201711419799.8A CN108284575A (en) | 2017-12-25 | 2017-12-25 | Wide cut compound water-proof and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476878A (en) * | 2014-11-19 | 2015-04-01 | 上海东方雨虹防水技术有限责任公司 | Flexible self-adhesive thermoplastic polyolefin waterproof coil material and preparation method thereof |
| CN106364101A (en) * | 2016-08-26 | 2017-02-01 | 北京东方雨虹防水技术股份有限公司 | High-weather-resistance polyolefin waterproof roll and preparation method thereof |
-
2017
- 2017-12-25 CN CN201711419799.8A patent/CN108284575A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476878A (en) * | 2014-11-19 | 2015-04-01 | 上海东方雨虹防水技术有限责任公司 | Flexible self-adhesive thermoplastic polyolefin waterproof coil material and preparation method thereof |
| CN106364101A (en) * | 2016-08-26 | 2017-02-01 | 北京东方雨虹防水技术股份有限公司 | High-weather-resistance polyolefin waterproof roll and preparation method thereof |
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Application publication date: 20180717 |