CN111849061A - Composite resin composition, preparation method and application thereof - Google Patents

Composite resin composition, preparation method and application thereof Download PDF

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Publication number
CN111849061A
CN111849061A CN202010835212.7A CN202010835212A CN111849061A CN 111849061 A CN111849061 A CN 111849061A CN 202010835212 A CN202010835212 A CN 202010835212A CN 111849061 A CN111849061 A CN 111849061A
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density polyethylene
composite resin
polyethylene
component
resin composition
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CN111849061B (en
Inventor
郭小雄
马伟斌
林传年
刘艳青
马荣田
李士忠
马超锋
梁策
张永刚
王志伟
安哲立
常凯
赵鹏
牛亚彬
李尧
许学良
柴金飞
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China Academy of Railway Sciences Corp Ltd CARS
Railway Engineering Research Institute of CARS
China Railway Economic and Planning Research Institute
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China Academy of Railway Sciences Corp Ltd CARS
Railway Engineering Research Institute of CARS
China Railway Economic and Planning Research Institute
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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
    • 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
    • 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
    • C08L2205/02—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
    • 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
    • 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
    • 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
    • C08L2207/068—Ultra high molecular weight polyethylene

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  • Health & Medical Sciences (AREA)
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Abstract

The invention relates to a composite resin composition, which comprises a component I, a component II and a component II, wherein the component I comprises metallocene polyethylene, a light stabilizer and the component II; wherein the component II is at least one selected from ultrahigh molecular weight polyethylene, ethylene-vinyl acetate copolymer and high density polyethylene; wherein the high density polyethylene has a density in the range of 0.954 to 0.956g/cm3(ii) a The number average molecular weight of the ultra-high molecular weight polyethylene ranges from 70 to 120 ten thousand.

Description

Composite resin composition, preparation method and application thereof
Technical Field
The present invention relates to a composite resin composition, particularly composite resin particles.
Background
The problem of water leakage always influences the operation safety of the railway tunnel, and along with the enlargement of the scale of the existing high-speed railway, the safety risk brought by the problem of water leakage is increased. The waterproof board and the water-proof and drainage board for the tunnel mainly reduce the risk through a plurality of water-proof measures, and adopt the process of drainage firstly and then prevention to smoothly introduce the crack water in the tunnel into the drainage blind ditch, thereby obtaining good waterproof and drainage effects.
The composite resin particles used for producing waterproof boards and waterproof and drainage boards in the market at present have great difference in mechanical properties of processed products in different directions, so that the products with excellent and stable comprehensive properties are obtained. In view of this, the research on the novel composite resin is highlighted to be extremely important.
Disclosure of Invention
The invention provides a composite resin composition, which comprises a component I, a component II and a component B, wherein the component I comprises metallocene polyethylene, a light stabilizer and the component II;
wherein the component II is at least one selected from ultrahigh molecular weight polyethylene, ethylene-vinyl acetate copolymer and high density polyethylene; wherein the high density polyethylene has a density in the range of 0.954 to 0.956g/cm3(ii) a The number average molecular weight of the ultra-high molecular weight polyethylene ranges from 70 to 120 ten thousand.
In one embodiment, the ultra high molecular weight polyethylene is WPE-302, the ethylene vinyl acetate copolymer is EVA-201, the metallocene polyethylene is MLLDPE-FK2719, and the light stabilizer is GW-583; the high-density polyethylene is HDPE-BL3 and/or HDPE-5502S.
In one embodiment, the component II is used in an amount of 32.1 to 67.2 parts by mass, the metallocene polyethylene is used in an amount of 24.3 to 67.21 parts by mass, and the light stabilizer is used in an amount of 0.69 to 0.71 part by mass, based on 100 parts by mass of the total mass of the component I.
In one embodiment, the composite resin composition further comprises a linear low density polyethylene having a density of 0.918g/cm3(ii) a The mass ratio of the component I to the linear low density polyethylene is 100: (55.19 to 77.26).
In one embodiment, it comprises 32.1% to 34.09% of the ultra-high molecular weight polyethylene, 65.2% to 67.21% of the metallocene polyethylene and 0.69% to 0.71% of the light stabilizer, based on 100% of the total mass of the composite resin composition.
In one embodiment, the composite resin composition further comprises a high density polyethylene and a linear low density polyethylene; wherein the high-density polyethylene is HDPE-BL3 and/or HDPE-5502S; the linear low-density polyethylene is LLDPE-118 and/or LLDPE-9047;
taking ultrahigh molecular weight polyethylene, metallocene polyethylene and a light stabilizer as a component I, wherein the mass ratio of the component I to the high density polyethylene is 100: (44.15 to 66.22); the mass ratio of the component I to the linear low density polyethylene is 100: (55.19 to 77.26).
In one embodiment, the composite resin composition comprises 63.01 to 65% of ethylene vinyl acetate copolymer, 24.3 to 25.8% of metallocene polyethylene, 0.69 to 0.71% of light stabilizer and 9.99 to 10.5% of high density polyethylene, based on 100% of the total mass of the composite resin composition.
In a specific embodiment, the composite resin composition also comprises linear low density polyethylene, wherein the linear low density polyethylene is LLDPE-118/or LLDPE-9047;
taking ethylene-vinyl acetate copolymer, metallocene polyethylene, light stabilizer and high-density polyethylene as a component I, wherein the mass ratio of the component I to the linear low-density polyethylene is 100: 20.
in one embodiment, it comprises 65.21 to 67.2% of high density polyethylene, 32.09 to 34.1% of metallocene polyethylene and 0.69 to 0.71% of light stabilizer, based on 100% of the total mass of the composite resin composition.
In a specific embodiment, the composite resin composition also comprises linear low density polyethylene, wherein the linear low density polyethylene is LLDPE-118/or LLDPE-9047;
taking high-density polyethylene, metallocene polyethylene and a light stabilizer as a component I, wherein the mass ratio of the component I to the linear low-density polyethylene is 100: 20.
the invention has the beneficial effects that:
the composite resin composition provided by the invention can be applied to waterproof boards and drainage boards in different environments, so that various performances of a product are stable and can meet required performance indexes.
Detailed Description
The foregoing aspects of the present invention are explained in further detail below with reference to preferred embodiments, but are not intended to limit the present invention.
Ethylene-vinyl acetate copolymer: model EVA-201, Qingdao Shendun waterproof science and technology Co.
High density polyethylene: the trade mark HDPE BL3, the density is 0.954g/cm3Melt index 23g/10min (21.6kg/190 ℃), Iran petrochemical company; trade name HDPE5502S, density 0.956g/cm3The melt index is 0.18g/10min (2.16kg/190 ℃), and Shanxi Yangzhou Yulin energy and chemical industry Co.
Metallocene polyethylene: the mark MLLDPE-FK2719, the density of which is 0.918g/cm3Melt index of 1.5g/10min (2.16kg/190 ℃), and a Bolu/Nordic chemical industry.
Ultra-high molecular weight polyethylene: the mark WPE-302, the density is 0.935g/cm3The number average molecular weight range is 70-120 ten thousand, and the Qingdao Shendun waterproof technology company Limited.
Linear low density polyethylene: a designation LLDPE118 having a density of 0.918g/cm3Melt index of 1.0g/10min (2.16kg/190 ℃), Saudi basic industries, Inc.; the grade LLDPE 9047, the density of which is 0.918g/cm3The melt index is 0.8g/10min (2.16kg/190 ℃), Daqing petrochemical division, China oil and gas Limited.
Light stabilizer: model GW-583, Shendun waterproof science and technology Limited, Qingdao.
Example 1
Formula of PE composite resin particles FPB-309 for railway tunnel drainage-preventing plates: 32.1 parts by mass of ultra-high molecular weight polyethylene WPE-302 (main material); metallocene polyethylene MLLDPE-FK2719 (main material), 67.21 parts by mass; light stabilizer GW-583 (small material), 0.69 parts by weight.
The method for preparing the PE composite resin particles FPB-309 of the railway tunnel water-proof drainage plate by using the weight-loss metering and mixing device comprises the following steps:
1) preparing materials: putting the main material into a corresponding storage bin, and adding the small material into a corresponding accurate scale;
2) feeding: according to the formula design, all the materials are automatically fed and premixed to obtain a mixed material. Wherein the weight-loss type weighing scale sets the material stirring time to be 10 +/-0.1 s, and the weighing type material stirring mixer sets the material premixing stirring time to be 15 +/-0.1 s.
3) Extruding: and extruding and molding the mixed material by a double-screw extruder to obtain a thin strip product. Wherein the temperature of the feeding section is 190 ℃; the temperature of the melting section is 190 ℃; the temperature in the metering section was 200 ℃. The fluctuation range of the temperature of each zone is +/-10 ℃.
4) Pelletizing: cooling the thin strip product by water, and automatically granulating by a granulator to obtain cylindrical particles with the particle size of about 3 x 3 mm;
5) packaging: and (5) metering and packaging according to standard weight.
Example 2
Formula of PE composite resin particles FPB-309 for railway tunnel drainage-preventing plates: 34.09 parts by mass of ultra-high molecular weight polyethylene WPE-302 (main material); metallocene polyethylene MLLDPE-FK2719 (main material), 65.2 parts by mass; light stabilizer GW-583 (small material), 0.71 part by weight.
The method for preparing the PE composite resin particles FPB-309 of the railway tunnel water-proof drainage plate by using the weight-loss metering and mixing device comprises the following steps:
1) preparing materials: putting the main material into a corresponding storage bin, and adding the small material into a corresponding accurate scale;
2) feeding: according to the formula design, all the materials are automatically fed and premixed to obtain a mixed material. Wherein the weight-loss type weighing scale sets the material stirring time to be 10 +/-0.1 s, and the weighing type material stirring mixer sets the material premixing stirring time to be 15 +/-0.1 s.
3) Extruding: extruding and molding the mixed material by a double-screw extruder to obtain a thin strip product; wherein the temperature of the feeding section is 190 ℃; the temperature of the melting section is 190 ℃; the temperature in the metering section was 200 ℃. The fluctuation range of the temperature of each area is +/-10 ℃;
4) pelletizing: cooling the thin strip product by water, and automatically granulating by a granulator to obtain cylindrical particles with the particle size of about 3 x 3 mm;
5) packaging: and (5) metering and packaging according to standard weight.
Example 3
Formula of PE composite resin particles FPB-309-100 for railway tunnel drainage-preventing plates: 32.1 parts by mass of ultra-high molecular weight polyethylene WPE-302 (main material); metallocene polyethylene MLLDPE-FK2719 (main material), 67.21 parts by mass; 0.69 part by mass of composite light stabilizer GW-583 (small material); high-density polyethylene HDPE-BL3 (main material), 44.15 parts by mass; linear low density polyethylene LLDPE-118 (host material), 77.26 parts by mass.
The method for preparing the railway tunnel water-drainage-preventing plate PE composite resin particle FPB-309-100 by using the weighing type mixing mixer comprises the following steps:
1) preparing materials: putting the main material into a corresponding storage bin, and adding the small material into a corresponding accurate scale;
2) feeding: according to the formula design, all the materials are automatically fed and premixed to obtain a mixed material. Wherein the weight-loss type weighing scale sets the material stirring time to be 10 +/-0.1 s, and the weighing type material stirring mixer sets the material premixing stirring time to be 15 +/-0.1 s.
3) Extruding: and extruding and molding the mixed material by a double-screw extruder to obtain a thin strip product. Wherein the temperature of the feeding section is 190 ℃; the temperature of the melting section is 210 ℃; the temperature in the metering section was 200 ℃. The fluctuation range of the temperature of each area is +/-10 ℃;
4) pelletizing: cooling the thin strip product by water, and automatically granulating by a granulator to obtain cylindrical particles with the particle size of about 3 x 3 mm;
5) packaging: and (5) metering and packaging according to standard weight.
Example 4
Formula of PE composite resin particles FPB-309-100 for railway tunnel drainage-preventing plates: 34.09 parts by mass of ultra-high molecular weight polyethylene WPE-302 (main material); metallocene polyethylene MLLDPE-FK2719 (main material), 65.2 parts by mass; 0.71 portion of composite light stabilizer GW-583 (small material); 66.22 parts by mass of high-density polyethylene HDPE-5502S (main material); linear low density polyethylene LLDPE-9047 (main material), 55.19 parts by mass.
The method for preparing the railway tunnel water-drainage-preventing plate PE composite resin particle FPB-309-100 by using the weighing type mixing mixer comprises the following steps:
1) preparing materials: putting the main material into a corresponding storage bin, and adding the small material into a corresponding accurate scale;
2) feeding: according to the formula design, all the materials are automatically fed and premixed to obtain a mixed material. Wherein the weight-loss type weighing scale sets the material stirring time to be 10 +/-0.1 s, and the weighing type material stirring mixer sets the material premixing stirring time to be 15 +/-0.1 s.
3) Extruding: and extruding and molding the mixed material by a double-screw extruder to obtain a thin strip product. Wherein the temperature of the feeding section is 190 ℃; the temperature of the melting section is 210 ℃; the temperature in the metering section was 200 ℃. The fluctuation range of the temperature of each area is +/-10 ℃;
4) pelletizing: cooling the thin strip product by water, and automatically granulating by a granulator to obtain cylindrical particles with the particle size of about 3 x 3 mm;
5) packaging: and (5) metering and packaging according to standard weight.
Example 5
Formula of EVA composite resin particles FFB-109 of non-flame-retardant waterproof board for railway tunnel: ethylene vinyl acetate copolymer EVA-201 (main material), 63.01 parts by mass; 25.8 parts by mass of metallocene polyethylene MLLDPE-FK2719 (main material); 10.5 parts by mass (main material) of high-density polyethylene HDPE-BL 3; light stabilizer GW-583 (small material), 0.69 parts by weight.
The method for preparing the railway tunnel non-flame-retardant waterproof board EVA composite resin particles FFB-109 by using the weight-loss metering and mixing device comprises the following steps:
1) preparing materials: putting the main material into a corresponding storage bin, and adding the small material into a corresponding accurate scale;
2) feeding: according to the formula design, all the materials are automatically fed and premixed to obtain a mixed material. Wherein the weight-loss type weighing scale sets the material stirring time to be 10 +/-0.1 s, and the weighing type material stirring mixer sets the material premixing stirring time to be 15 +/-0.1 s.
3) Extruding: extruding and molding the mixed material by a double-screw extruder to obtain a thin strip product; wherein the temperature of the feeding section is 190 ℃; the temperature of the melting section is 200 ℃; the temperature in the metering section was 210 ℃. The fluctuation range of the temperature of each area is +/-10 ℃;
4) pelletizing: cooling the thin strip product by water, and automatically granulating by a granulator to obtain cylindrical particles with the particle size of about 3 x 3 mm;
5) packaging: and (5) metering and packaging according to standard weight.
Example 6
Formula of EVA composite resin particles FFB-109 of non-flame-retardant waterproof board for railway tunnel: ethylene vinyl acetate copolymer EVA-201 (main material), 65.0 parts by mass; 24.3 parts by mass of metallocene polyethylene MLLDPE-FK2719 (main material); 3, 9.99 parts by mass of high-density polyethylene HDPE-BL (main material); light stabilizer GW-583 (small material), 0.71 part by weight.
The method for preparing the railway tunnel non-flame-retardant waterproof board EVA composite resin particles FFB-109 by using the weight-loss metering and mixing device comprises the following steps:
1) preparing materials: putting the main material into a corresponding storage bin, and adding the small material into a corresponding accurate scale;
2) feeding: according to the formula design, all the materials are automatically fed and premixed to obtain a mixed material. Wherein the weight-loss type weighing scale sets the material stirring time to be 10 +/-0.1 s, and the weighing type material stirring mixer sets the material premixing stirring time to be 15 +/-0.1 s.
3) Extruding: extruding and molding the mixed material by a double-screw extruder to obtain a thin strip product; wherein the temperature of the feeding section is 190 ℃; the temperature of the melting section is 200 ℃; the temperature in the metering section was 210 ℃. The fluctuation range of the temperature of each area is +/-10 ℃;
4) pelletizing: cooling the thin strip product by water, and automatically granulating by a granulator to obtain cylindrical particles with the particle size of about 3 x 3 mm;
5) packaging: and (5) metering and packaging according to standard weight.
Example 7
The formula of the EVA composite resin particles FFB-109-100 for the non-flame-retardant waterproof board of the railway tunnel comprises the following steps: ethylene vinyl acetate copolymer EVA-201 (main material), 63.01 parts by mass; 25.8 parts by mass of metallocene polyethylene MLLDPE-FK2719 (main material); 10.5 parts by mass of high-density polyethylene HDPE-BL3 (main material); 0.69 part by mass of composite light stabilizer GW-583 (small material); linear low density polyethylene LLDPE-118 (main material), 20.00 parts by mass.
The method for preparing the railway tunnel non-flame-retardant waterproof board EVA composite resin particles FFB-109-100 by using the weight-loss metering mixing device comprises the following steps:
1) preparing materials: putting the main material into a corresponding storage bin, and adding the small material into a corresponding accurate scale;
2) feeding: according to the formula design, all the materials are automatically fed and premixed to obtain a mixed material. Wherein the weight-loss type weighing scale sets the material stirring time to be 10 +/-0.1 s, and the weighing type material stirring mixer sets the material premixing stirring time to be 15 +/-0.1 s.
3) Extruding: extruding and molding the mixed material by a double-screw extruder to obtain a thin strip product; wherein the temperature of the feeding section is 190 ℃; the temperature of the melting section is 200 ℃; the temperature in the metering section was 210 ℃. The fluctuation range of the temperature of each zone is +/-10 ℃.
4) Pelletizing: cooling the thin strip product by water, and automatically granulating by a granulator to obtain cylindrical particles with the particle size of about 3 x 3 mm;
5) packaging: and (5) metering and packaging according to standard weight.
Example 8
The formula of the EVA composite resin particles FFB-109-100 for the non-flame-retardant waterproof board of the railway tunnel comprises the following steps: ethylene vinyl acetate copolymer EVA-201 (main material), 65.0 parts by mass; metallocene polyethylene MLLDPE-FK2719 (main material), 9.90 parts by mass; high-density polyethylene HDPE-5502S (main material), 9.99 parts by mass; 0.71 portion of composite light stabilizer GW-583 (small material); linear low density polyethylene LLDPE-9047 (main material), 20.00 parts by mass.
The method for preparing the railway tunnel non-flame-retardant waterproof board EVA composite resin particles FFB-109-100 by using the weight-loss metering mixing device comprises the following steps:
1) preparing materials: putting the main material into a corresponding storage bin, and adding the small material into a corresponding accurate scale;
2) feeding: according to the formula design, all the materials are automatically fed and premixed to obtain a mixed material. Wherein the weight-loss type weighing scale sets the material stirring time to be 10 +/-0.1 s, and the weighing type material stirring mixer sets the material premixing stirring time to be 15 +/-0.1 s.
3) Extruding: extruding and molding the mixed material by a double-screw extruder to obtain a thin strip product; wherein the temperature of the feeding section is 190 ℃; the temperature of the melting section is 200 ℃; the temperature in the metering section was 210 ℃. The fluctuation range of the temperature of each zone is +/-10 ℃.
4) Pelletizing: cooling the thin strip product by water, and automatically granulating by a granulator to obtain cylindrical particles with the particle size of about 3 x 3 mm;
5) packaging: and (5) metering and packaging according to standard weight.
Example 9
The formula of the PE composite resin particles FFB-209 for the non-flame-retardant waterproof plate of the railway tunnel comprises the following components: high-density polyethylene HDPE-BL3 (main material), 65.21 parts by mass; 34.1 parts by mass of metallocene polyethylene MLLDPE-FK2719 (main material); light stabilizer GW-583 (small material), 0.69 parts by weight.
The method for preparing the PE composite resin particles FFB-209 for the non-flame-retardant waterproof board of the railway tunnel by using the weight-loss metering and mixing device comprises the following steps:
1) preparing materials: putting the main material into a corresponding storage bin, and adding the small material into a corresponding accurate scale;
2) feeding: according to the formula design, all the materials are automatically fed and premixed to obtain a mixed material. Wherein the weight-loss type weighing scale sets the material stirring time to be 10 +/-0.1 s, and the weighing type material stirring mixer sets the material premixing stirring time to be 15 +/-0.1 s.
3) Extruding: extruding and molding the mixed material by a double-screw extruder to obtain a thin strip product; wherein the temperature of the feeding section is 190 ℃; the temperature of the melting section is 200 ℃; the temperature in the metering section was 210 ℃. The fluctuation range of the temperature of each area is +/-10 ℃;
4) pelletizing: cooling the thin strip product by water, and automatically granulating by a granulator to obtain cylindrical particles with the particle size of about 3 x 3 mm;
5) packaging: and (5) metering and packaging according to standard weight.
Example 10
The formula of the PE composite resin particles FFB-209 for the non-flame-retardant waterproof plate of the railway tunnel comprises the following components: high-density polyethylene HDPE-BL3 (main material), 67.2 parts by mass; metallocene polyethylene MLLDPE-FK2719 (main material), 32.09 parts by mass; light stabilizer GW-583 (small material), 0.71 part by weight.
The method for preparing the PE composite resin particles FFB-209 for the non-flame-retardant waterproof board of the railway tunnel by using the weight-loss metering and mixing device comprises the following steps:
1) preparing materials: putting the main material into a corresponding storage bin, and adding the small material into a corresponding accurate scale;
2) feeding: according to the formula design, all the materials are automatically fed and premixed to obtain a mixed material. Wherein the weight-loss type weighing scale sets the material stirring time to be 10 +/-0.1 s, and the weighing type material stirring mixer sets the material premixing stirring time to be 15 +/-0.1 s.
3) Extruding: extruding and molding the mixed material by a double-screw extruder to obtain a thin strip product; wherein the temperature of the feeding section is 190 ℃; the temperature of the melting section is 200 ℃; the temperature in the metering section was 210 ℃. The fluctuation range of the temperature of each area is +/-10 ℃;
4) pelletizing: cooling the thin strip product by water, and automatically granulating by a granulator to obtain cylindrical particles with the particle size of about 3 x 3 mm;
5) packaging: and (5) metering and packaging according to standard weight.
Example 11
The formula of the non-flame-retardant waterproof plate PE composite resin particle FFB-209-one 100 for the railway tunnel comprises the following steps: high-density polyethylene HDPE-BL3 (main material), 65.21 parts by mass; 34.1 parts by mass of metallocene polyethylene MLLDPE-FK2719 (main material); 0.69 part by mass of composite light stabilizer GW-583 (small material); linear low density polyethylene LLDPE-118 (main material), 54.70 parts by mass.
The method for preparing the railway tunnel non-flame-retardant waterproof board PE composite resin particle FFB-209-100 by using the weight-loss metering mixing device comprises the following steps:
1) preparing materials: putting the main material into a corresponding storage bin, and adding the small material into a corresponding accurate scale;
2) feeding: according to the formula design, all the materials are automatically fed and premixed to obtain a mixed material. Wherein the weight-loss type weighing scale sets the material stirring time to be 10 +/-0.1 s, and the weighing type material stirring mixer sets the material premixing stirring time to be 15 +/-0.1 s.
3) Extruding: extruding and molding the mixed material by a double-screw extruder to obtain a thin strip product; wherein the temperature of the feeding section is 190 ℃; the temperature of the melting section is 200 ℃; the temperature in the metering section was 210 ℃. The fluctuation range of the temperature of each area is +/-10 ℃;
4) pelletizing: cooling the thin strip product by water, and automatically granulating by a granulator to obtain cylindrical particles with the particle size of about 3 x 3 mm;
5) packaging: and (5) metering and packaging according to standard weight.
Example 12
The formula of the non-flame-retardant waterproof plate PE composite resin particle FFB-209-one 100 for the railway tunnel comprises the following steps: high-density polyethylene HDPE-BL3 (main material), 67.2 parts by mass; metallocene polyethylene MLLDPE-FK2719 (main material), 32.09 parts by mass; 0.71 portion of composite light stabilizer GW-583 (small material); linear low density polyethylene LLDPE-118 (main material), 54.70 parts by mass.
The method for preparing the railway tunnel non-flame-retardant waterproof board PE composite resin particle FFB-209-100 by using the weight-loss metering mixing device comprises the following steps:
1) preparing materials: putting the main material into a corresponding storage bin, and adding the small material into a corresponding accurate scale;
2) feeding: according to the formula design, all the materials are automatically fed and premixed to obtain a mixed material. Wherein the weight-loss type weighing scale sets the material stirring time to be 10 +/-0.1 s, and the weighing type material stirring mixer sets the material premixing stirring time to be 15 +/-0.1 s.
3) Extruding: extruding and molding the mixed material by a double-screw extruder to obtain a thin strip product; wherein the temperature of the feeding section is 190 ℃; the temperature of the melting section is 200 ℃; the temperature in the metering section was 210 ℃. The fluctuation range of the temperature of each area is +/-10 ℃;
4) pelletizing: cooling the thin strip product by water, and automatically granulating by a granulator to obtain cylindrical particles with the particle size of about 3 x 3 mm;
5) packaging: and (5) metering and packaging according to standard weight.
Performance indexes are as follows:
technical indexes of the railway tunnel water-proof and drainage plate PE composite resin particles FPB-309 prepared in the embodiment 1 and the embodiment 2 meet the requirements of the table 1.
TABLE 1 railway Tunnel water drainage plate PE composite resin particle performance index
Figure BDA0002639443380000101
The technical indexes of the PE composite resin particles FPB-309-100 for the railway tunnel water-proof and drainage plates prepared in the embodiments 3 and 4 meet the requirements of the table 2.
TABLE 2 railway tunnel water drainage plate PE composite resin particle performance index
Figure BDA0002639443380000102
The FFB-109 technical indexes of the non-flame-retardant waterproof board EVA composite resin particles for railway tunnels prepared in the examples 5 and 6 meet the requirements of the table 3.
TABLE 3 performance indexes of non-flame-retardant waterproof board EVA composite resin particles for railway tunnel
Figure BDA0002639443380000103
The FFB-109-100 technical indexes of the non-flame-retardant waterproof board EVA composite resin particles for railway tunnels prepared in the embodiments 7 and 8 meet the requirements of the table 4.
TABLE 4 performance indexes of non-flame-retardant waterproof board EVA composite resin particles for railway tunnel
Figure BDA0002639443380000111
The technical indexes of the non-flame retardant waterproof plate PE composite resin particles FFB-209 and FFB-209-100 for the railway tunnel prepared in the embodiments 9 to 12 meet the requirements of the table 5.
TABLE 5 non-flame retardant PE composite resin particle performance index of railway tunnel waterproof board
Figure BDA0002639443380000112
The results of the measurements in the examples are shown in Table 6.
TABLE 6
Figure BDA0002639443380000113
While the present application has been described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes may be made without departing from the true spirit and scope of the application. For example, many modifications may be made to adapt a particular situation, material, composition of matter, or method step to the objective, spirit and scope of the present application. All such modifications are intended to be included within the scope of the claims set forth herein. Moreover, the technical content disclosed above is subject to some variations or modifications, which are equivalent to the equivalent embodiments, and all fall within the scope of the technical solution.

Claims (10)

1. A composite resin composition comprising component I comprising a metallocene polyethylene, a light stabilizer and component II;
wherein the component II is at least one selected from ultrahigh molecular weight polyethylene, ethylene-vinyl acetate copolymer and high density polyethylene; wherein the high density polyethylene has a density in the range of 0.954 to 0.956g/cm3(ii) a The number average molecular weight of the ultra-high molecular weight polyethylene ranges from 70 to 120 ten thousand.
2. The composite resin composition according to claim 1, wherein the ultra high molecular weight polyethylene is WPE-302, the ethylene vinyl acetate copolymer is EVA-201, the metallocene polyethylene is MLLDPE-FK2719, and the light stabilizer is GW-583; the high-density polyethylene is HDPE-BL3 and/or HDPE-5502S.
3. The composite resin composition according to claim 1 or 2, wherein the component II is used in an amount of 32.1 to 67.2 parts by mass, the metallocene polyethylene is used in an amount of 24.3 to 67.21 parts by mass, and the light stabilizer is used in an amount of 0.69 to 0.71 parts by mass, based on 100 parts by mass of the total mass of the component I.
4. The composite resin composition according to any one of claims 1 to 3, further comprising a linear low density polyethylene having a density of 0.918g/cm3(ii) a The mass ratio of the component I to the linear low density polyethylene is 100: (55.19 to 77.26).
5. The composite resin composition according to claim 1 or 2, comprising 32.1 to 34.09% of the ultra-high molecular weight polyethylene, 65.2 to 67.21% of the metallocene polyethylene and 0.69 to 0.71% of the light stabilizer, based on 100% of the total mass of the composite resin composition.
6. The composite resin composition according to claim 5, further comprising a high density polyethylene and a linear low density polyethylene; wherein the high-density polyethylene is HDPE-BL3 and/or HDPE-5502S; the linear low-density polyethylene is LLDPE-118 and/or LLDPE-9047;
taking ultrahigh molecular weight polyethylene, metallocene polyethylene and a light stabilizer as a component I, wherein the mass ratio of the component I to the high density polyethylene is 100: (44.15 to 66.22); the mass ratio of the component I to the linear low density polyethylene is 100: (55.19 to 77.26).
7. The composite resin composition according to claim 1 or 2, which comprises 63.01 to 65% of the ethylene vinyl acetate copolymer, 24.3 to 25.8% of the metallocene polyethylene, 0.69 to 0.71% of the light stabilizer and 9.99 to 10.5% of the high density polyethylene, based on 100% of the total mass of the composite resin composition.
8. The composite resin composition as claimed in claim 7, further comprising a linear low density polyethylene, wherein the linear low density polyethylene is LLDPE-118/or LLDPE-9047;
taking ethylene-vinyl acetate copolymer, metallocene polyethylene, light stabilizer and high-density polyethylene as a component I, wherein the mass ratio of the component I to the linear low-density polyethylene is 100: 20.
9. the composite resin composition according to claim 1 or 2, which comprises 65.21 to 67.2% of the high density polyethylene, 32.09 to 34.1% of the metallocene polyethylene and 0.69 to 0.71% of the light stabilizer, based on 100% of the total mass of the composite resin composition.
10. The composite resin composition as claimed in claim 9, further comprising a linear low density polyethylene, wherein the linear low density polyethylene is LLDPE-118 and/or LLDPE-9047;
taking high-density polyethylene, metallocene polyethylene and a light stabilizer as a component I, wherein the mass ratio of the component I to the linear low-density polyethylene is 100: 20.
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CN106117769A (en) * 2016-07-04 2016-11-16 北京东方雨虹防水技术股份有限公司 A kind of EVA splash guard and preparation method thereof
CN108485047A (en) * 2018-03-26 2018-09-04 铁科腾跃科技有限公司 A kind of environment-friendly type EVA waterproof rolls and preparation method

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CN106117769A (en) * 2016-07-04 2016-11-16 北京东方雨虹防水技术股份有限公司 A kind of EVA splash guard and preparation method thereof
CN108485047A (en) * 2018-03-26 2018-09-04 铁科腾跃科技有限公司 A kind of environment-friendly type EVA waterproof rolls and preparation method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116082738A (en) * 2023-04-10 2023-05-09 衡水中裕铁信防水技术有限公司 Waterproof high polymer material and composite waterproof coiled material as well as preparation method and application thereof

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