CN104558800B - A kind of drainage systems and preparation method thereof - Google Patents
A kind of drainage systems and preparation method thereof Download PDFInfo
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- CN104558800B CN104558800B CN201410814382.1A CN201410814382A CN104558800B CN 104558800 B CN104558800 B CN 104558800B CN 201410814382 A CN201410814382 A CN 201410814382A CN 104558800 B CN104558800 B CN 104558800B
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- drainage systems
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- vinyl acetate
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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
- C08L23/08—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
- 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
-
- 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
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
-
- 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
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of drainage systems and preparation method thereof, the drainage systems are made up of the raw material including ethylene-vinyl acetate copolymer, LLDPE, antioxidant and based elastomers.The drainage systems that the present invention is provided, elastomer is included in its composition, can widen drainage systems welding window, the elastomer of variety classes and specification can also realize more preferable welding effect, so as to improve the sweat soldering performance and low temperature flexibility of product, product is constructed has quick, the effective, characteristic of energy-saving and environmental protection, it is ensured that product overall waterproof construction effect and quality, it is adaptable to the underground waterproof engineering such as various culverts, tunnel.
Description
Technical field
The present invention relates to a kind of drainage systems and preparation method thereof, belong to chemicals field for building.
Background technology
Drainage systems are that one kind has certain thickness homogeneous pattern sheet material impervious material, mostly colourless or white semi-transparent
It is bright, mainly with polyvinyl chloride (PVC) or polyethylene (PE) as raw material, generally produced using extrusion calendaring.In plastics
In the application of splash guard, usually using double slit automatic welder carry out sweat soldering realize drainage systems between overlap joint.
Current drainage systems are a kind of materials that underground waterproof engineering is commonly used.In waterproofing work field, generally
It is required that drainage systems have the characteristics such as anti-permeability, certain elongation percentage, heat-resisting quantity and good intensity.PE splash guards
With hard, non-flexible, the shortcoming that heat expansion and welding need to be skilled in technique, expansion is susceptible in sweat soldering construction now
As causing drainage systems to deform, so as to cause anti-permeability to reduce；PVC splash guards have the shortcomings that plasticity is poor, cause material
Material intensity is not high, easily causes weld strength low because intensity is bad in construction, so as to influence the waterproof effect of material.In addition,
According to GB 18173.1-2012《High polymer waterproof material Part I sheet material》Requirement, the low-temperature bending temperature of waterproof material
The requirement standard of degree is -35 DEG C, and under the conditions of lower temperature, conventional plastic splash guard is then unable to reach more preferable flexibility.
Therefore, this area still lack a kind of overlap joint firmly, weld strength is higher, the plastics with splendid low temperature flexibility are prevented
Water plate.
The content of the invention
Firmly overlap joint, weld strength and the low problem of low temperature flexibility are difficult to solve existing drainage systems, the present invention is carried
A kind of drainage systems are gone out, it has splendid low temperature flexibility and efficient sweat soldering characteristic so that product construction has
Fast, effectively, the characteristic of energy-saving and environmental protection, the waterproof construction effect and quality overall so as to ensure that product, it is adaptable to various culverts
The underground waterproof engineerings such as hole, tunnel.
To realize the purpose of foregoing invention, the present invention provides a kind of drainage systems, by ethylene-vinyl acetate copolymer,
The raw material of LLDPE and antioxidant is made, and the raw material also includes based elastomers.
Wherein, the consumption of each raw material can according to actual needs be selected by those skilled in the art, it is preferable that in order to
The optimization of its performance is realized, ethylene-vinyl acetate copolymer, LLDPE, vinyl bullet in the raw material
The mass fraction of gonosome and antioxidant is constituted：
In the present invention, the ethylene-vinyl acetate copolymer can select extrusion grade resin raw material, to effectively improve plastics
The cryogenic property of splash guard, pliability and sweat soldering performance.
Wherein, ethylene-vinyl acetate copolymer selects vinylacetate (VA) mass content in the range of 5%~30%
Ethylene-vinyl acetate copolymer.
In the present invention, the LLDPE can select extrusion grade resin raw material, to ensure drainage systems
Mechanical strength and extensibility.
Wherein, it is the LLDPE in the range of 0.5~3.0g/10min from melt index.
Wherein, the based elastomers are used to improve the sweat soldering performance and low temperature flexibility of product, can select
VersifyTMSeries of elastic body, EngageTMSeries of elastic body, INFUSETMSeries of elastic body, VistamaxxTMSeries of elastic body
In one or more mixture.
Preferably, based elastomers select Vistamaxx6102.
Wherein, antioxidant used can use any available antioxidant in this area, for example, can select four [methyl-β-
(3,5- di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester (antioxidant 1010), three [2.4- di-tert-butyl-phenyls] are sub-
In phosphate (irgasfos 168), β-positive octadecanol ester (antioxidant 1076) of (3,5- di-tert-butyl-hydroxy phenyls) propionic acid
One or more mixture.
Preferably, antioxidant selects antioxidant 1010.
Combined by above-mentioned special component and consumption, the drainage systems that the present invention is provided not only have good mechanical property
The features such as performance that energy, splendid low temperature flexibility and ageing-resistant, resistant to chemical media corrode, while also having efficient sweat soldering
Characteristic and conveniently construction application performance.
Accordingly, as another technical scheme, present invention also offers the preparation method of the drainage systems, the modeling
Material splash guard is the drainage systems described in above-mentioned any one, and the preparation method comprises the steps：
(1) dispensing：Raw material is weighed respectively by component and mass fraction；
(2) batch mixing：Raw material is stirred mixing；
(3) blending extrusion；
(4) it is molded：Material after extrusion is carried out into press polish shaping；
(5) air cooling；
(6) wind.
Wherein, step (2) mixture temperature is 70 ± 10 DEG C, and the time is 10-15 minutes, is imitated with optimal batch mixing
Really.
Wherein, step (3) is carried out in single screw extrusion machine, and the screw rod of single screw extrusion machine is in feeding section, melt zone, meter
Amount section temperature is respectively 150 ± 10 DEG C, 160 ± 10 DEG C, 170 ± 10 DEG C.
Wherein, step (4) is carried out in three-roller calendar, three-roller calendar shaping three roll temperatures be respectively 50 ± 5 DEG C,
60±5℃、70±5℃。
The invention has the advantages that：
The drainage systems that the present invention is provided, elastomer is included in its composition, can widen drainage systems welding window,
The elastomer of variety classes and specification can also realize more preferable welding effect, and the sweat soldering performance and low temperature for improving product are soft
Property, relative to GB 18173.1-2012《High polymer waterproof material Part I sheet material》Requirement, the present invention provide plastics
Splash guard can still have good flexibility under lower temperature (be less than -35 DEG C), make product have in work progress it is quick, have
Effect, the characteristic of energy-saving and environmental protection, so as to ensure that the overall effect and quality in waterproof construction of product.
The present invention also provides a kind of preparation method of drainage systems, the drainage systems prepared using the method, not only
The features such as performance with the corrosion of good mechanical property, splendid low temperature flexibility and ageing-resistant, resistant to chemical media, while also having
Have efficient sweat soldering characteristic and conveniently construction application performance so that product construction have it is quick, effectively, energy-conservation,
The characteristic of environmental protection, the waterproof construction effect and quality overall so as to ensure that product, it is adaptable to prevent the underground such as various culverts, tunnel
Hydraulic Projects.
Specific embodiment
To make those skilled in the art more fully understand technical scheme, the tool that applicant is provided the present invention
Body implementation method is described in detail, but not to the present invention composition be particularly limited to.Change, the replacement for being carried out on this basis
Etc. protection scope of the present invention is belonged to, protection scope of the present invention is covered by claim and its equivalents.
Embodiment 1
A kind of drainage systems, are made up of the raw material of following mass fraction：
Wherein, vinylacetate mass content is 5%, linear low density polyethylene in ethylene-vinyl acetate copolymer used
The melt index of alkene is 0.5g/10min, and based elastomers are Vistamaxx6102.
And the preparation technology of above drainage systems is comprised the following steps：
(1) dispensing：Raw material is weighed by above-mentioned mass fraction；
(2) batch mixing：It is stirred during above-mentioned raw materials are added into homogenizer, temperature is 70 ± 10 DEG C, incorporation time 15
Minute；
(3) blending extrusion：Blending extrusion is carried out using single screw extrusion machine, the screw rod of single screw extrusion machine feeding section,
Melt zone, metering section temperature are respectively 150 ± 10 DEG C, 160 ± 10 DEG C, 170 ± 10 DEG C；
(4) it is molded：Material after extrusion cross draping filter filtering, melt metering pump supercharging pumping, cross T-shaped mould head into
Piece, then be molded by three-roller calendar press polish, three roll temperatures of three-roller calendar shaping be respectively 50 ± 5 DEG C, 60 ± 5 DEG C, 70 ± 5
℃；
(5) air cooling；
(6) wind.
GB 18173.1-2012 are pressed by the drainage systems prepared by the present embodiment《High polymer waterproof material first
Burst material》JS2 types technical requirements are tested, and the main performance index and testing result of product are as shown in the table：
Compared with standard requirement and existing product, the drainage systems that the present invention is provided not only meet related request, and property
Can excellent, effect stability.
Embodiment 2
A kind of drainage systems, are made up of the raw material of following mass fraction：
Wherein, vinylacetate mass content is 30%, linear low density polyethylene in ethylene-vinyl acetate copolymer used
The melt index of alkene is 2.0g/10min, and based elastomers are Vistamaxx6102.
And the preparation technology of above drainage systems is comprised the following steps：
(1) dispensing：Raw material is weighed by above-mentioned mass fraction；
(2) batch mixing：It is stirred during above-mentioned raw materials are added into homogenizer, temperature is 70 ± 10 DEG C, incorporation time 15
Minute；
(3) blending extrusion：Blending extrusion is carried out using single screw extrusion machine, the screw rod of single screw extrusion machine feeding section,
Melt zone, metering section temperature are respectively 150 ± 10 DEG C, 160 ± 10 DEG C, 170 ± 10 DEG C；
(4) it is molded：Material after extrusion cross draping filter filtering, melt metering pump supercharging pumping, cross T-shaped mould head into
Piece, then be molded by three-roller calendar press polish, three roll temperatures of three-roller calendar shaping be respectively 50 ± 5 DEG C, 60 ± 5 DEG C, 70 ± 5
℃；
(5) air cooling；
(6) wind.
GB 18173.1-2012 are pressed by the drainage systems prepared by the present embodiment《High polymer waterproof material first
Burst material》JS2 types technical requirements are tested, and the main performance index and testing result of product are as shown in the table：
Compared with standard requirement and existing product, the drainage systems that the present invention is provided not only meet related request, and property
Can excellent, effect stability.
Embodiment 3
A kind of drainage systems, are made up of the raw material of following mass fraction：
Wherein, vinylacetate mass content is 20%, linear low density polyethylene in ethylene-vinyl acetate copolymer used
The melt index of alkene is 3.0g/10min, and based elastomers are Vistamaxx6102.
And the preparation technology of above drainage systems is comprised the following steps：
(1) dispensing：Raw material is weighed by above-mentioned mass fraction；
(2) batch mixing：It is stirred during above-mentioned raw materials are added into homogenizer, temperature is 70 ± 10 DEG C, incorporation time 10
Minute；
(3) blending extrusion：Blending extrusion is carried out using single screw extrusion machine, the screw rod of single screw extrusion machine feeding section,
Melt zone, metering section temperature are respectively 150 ± 10 DEG C, 160 ± 10 DEG C, 170 ± 10 DEG C；
(4) it is molded：Material after extrusion cross draping filter filtering, melt metering pump supercharging pumping, cross T-shaped mould head into
Piece, then be molded by three-roller calendar press polish, three roll temperatures of three-roller calendar shaping be respectively 50 ± 5 DEG C, 60 ± 5 DEG C, 70 ± 5
℃；
(5) air cooling；
(6) wind.
GB 18173.1-2012 are pressed by the drainage systems prepared by the present embodiment《High polymer waterproof material first
Burst material》JS2 types technical requirements are tested, and the main performance index and testing result of product are as follows：
Compared with standard requirement and existing product, the drainage systems of present invention offer property not only meet related request, and
Excellent performance, effect stability.
The constituent and preparation method of the drainage systems that the present invention is provided do not produce chemical contamination, environmentally friendly,
It is widely portable to the civil engineerings such as various tunnels, underground civil-engineering, city underground, water conservancy, man-made lake, refuse landfill
Waterproof, seepage control.
It is understood that the embodiment of above principle being intended to be merely illustrative of the present and the exemplary implementation for using
Mode, but the invention is not limited in this.For those skilled in the art, essence of the invention is not being departed from
In the case of god and essence, various changes and modifications can be made therein, and these variations and modifications are also considered as protection scope of the present invention.
Claims (8)
1. a kind of drainage systems, it is characterised in that be made up of the raw material of following mass fractions：
The based elastomers use VersifyTMSeries of elastic body, EngageTMSeries of elastic body, INFUSETMSeries of elastic
Body, VistamaxxTMOne or more mixture in series of elastic body.
2. drainage systems according to claim 1, it is characterised in that the ethylene-vinyl acetate copolymer is acetic acid
Ethylene-vinyl acetate copolymer of the vinyl acetate mass content in the range of 5%~30%.
3. drainage systems according to claim 1, it is characterised in that the LLDPE is melt index
It is the LLDPE in the range of 0.5~3.0g/10min.
4. drainage systems according to claim 1, it is characterised in that the antioxidant uses four [methyl-β-(3,5-
Di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester, three [2.4- di-tert-butyl-phenyls] phosphite esters, β-(3,5- bis-
Tert-butyl-hydroxy phenyl) one or more mixture in the positive octadecanol ester of propionic acid.
5. a kind of preparation method of drainage systems, it is characterised in that the drainage systems are any one in claim 1-4
Drainage systems described in, the preparation method is comprised the following steps：
(1) dispensing：Raw material is weighed respectively by component and mass fraction；
(2) batch mixing：The raw material is stirred mixing；
(3) blending extrusion；
(4) it is molded：Material after extrusion is carried out into press polish shaping；
(5) air cooling；
(6) wind.
6. the preparation method of drainage systems according to claim 5, it is characterised in that
Step (2) mixture temperature is 70 ± 10 DEG C, and the time is 10~15 minutes.
7. the preparation method of drainage systems according to claim 5, it is characterised in that step (3) is in Single screw extrusion
Carried out in machine, the screw rod of the single screw extrusion machine feeding section, melt zone, metering section temperature be respectively 150 ± 10 DEG C,
160±10℃、170±10℃。
8. the preparation method of drainage systems according to claim 5, it is characterised in that step (4) is in three-roller calendar
In carry out, three roll temperatures of the three-roller calendar are respectively 50 ± 5 DEG C, 60 ± 5 DEG C, 70 ± 5 DEG C.
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| CN201410814382.1A CN104558800B (en) | 2014-12-23 | 2014-12-23 | A kind of drainage systems and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410814382.1A CN104558800B (en) | 2014-12-23 | 2014-12-23 | A kind of drainage systems and preparation method thereof |
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| CN104558800A CN104558800A (en) | 2015-04-29 |
| CN104558800B true CN104558800B (en) | 2017-06-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106928527A (en) * | 2017-03-24 | 2017-07-07 | 北京博瑞众诚科技有限公司 | A kind of fire-resistant waterproof plate and its manufacture method |
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| CN106273353A (en) * | 2016-08-31 | 2017-01-04 | 芜湖恒耀汽车零部件有限公司 | The preparation method of reverse-filling automobile exhaust pipe device splash guard |
| CN106246312A (en) * | 2016-08-31 | 2016-12-21 | 芜湖恒耀汽车零部件有限公司 | Reverse-filling automobile exhaust pipe device splash guard |
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| CN110845786B (en) * | 2019-11-29 | 2022-02-01 | 山东天海新材料工程有限公司 | EVA waterproof board and preparation method thereof |
| CN113388332A (en) * | 2021-07-07 | 2021-09-14 | 江苏凯伦建材股份有限公司 | Waterproof material and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2001241118A (en) * | 2000-02-25 | 2001-09-04 | Kanebo Ltd | Waterproof sheet and waterproofing method by using the sheet |
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| CN101694113A (en) * | 2009-10-23 | 2010-04-14 | 衡水中铁建土工材料制造有限公司 | Linear low-density polyethylene waterproof board |
| CN102010543A (en) * | 2010-12-22 | 2011-04-13 | 北京东方雨虹防水技术股份有限公司 | EVA/LLDPE composite polymer waterproof board and manufacturing process thereof |
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