CN106566048A - Preparation method of modified HDPE resin for large diameter double-wall corrugated pipe - Google Patents
Preparation method of modified HDPE resin for large diameter double-wall corrugated pipe Download PDFInfo
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- CN106566048A CN106566048A CN201610928479.4A CN201610928479A CN106566048A CN 106566048 A CN106566048 A CN 106566048A CN 201610928479 A CN201610928479 A CN 201610928479A CN 106566048 A CN106566048 A CN 106566048A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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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
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
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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
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
Abstract
The invention provides a preparation method of modified HDPE resin for a large diameter double-wall corrugated pipe. Firstly, epoxy resin, coumarone-indene resin, butyl rubber, tricresyl phosphate and compatibilizers are mixed, then diatomite powder, light calcium carbonate, glass fibers and zinc oxide are added, mixing is performed, then, epoxy soybean oil, sodium citrate and HDPE are added, after mixing, a mixture is guided into a double-screw extruder to be subjected to extruding out, cooling and pelleting, and then the modified HDPE resin is obtained. The yielding tensile strength of the HDPE resin is 32-38 MPa, the breakage elongation rate is 860-890%, the bending modulus is 1180-1280 MPa, the impacting strength is 32-38 kJ/m<2>, and the HDPE resin can be used for preparing various kinds of large diameter double-wall corrugated pipes.
Description
Technical field
The invention belongs to technical field of polymer materials, and in particular to a kind of large-caliber double-wall bellow uses modified HDPE trees
The preparation method of fat.
Background technology
Heavy caliber high density polyethylene (HDPE) (HDPE) double-wall corrugated pipe refers generally to corrugated tube of the diameter (Ф) more than 500 mm, mesh
Before be mainly used in municipal drainage, drainage.Currently, China be used for corrugated tube production raw material mainly have polrvinyl chloride (PVC),
Polyethylene (PE) and polypropylene (PP), wherein PVC is mainly used in the corrugated tube production of below Ф 500mm.2003, China opened
Begin a large amount of introduction large-caliber double-wall bellow production lines, and the raw material for being adopted is mainly HDPE, the production capacity of every production line
Reach 10 kt/a.The import material for producing large-caliber double-wall bellow domestic at that time is mainly some HDPE hollow materials and weight
Packaging coating materials etc..And the common tube material of some of the country occur when large-caliber double-wall bellow is produced melt strength not enough,
The problems such as product ring stiffness is not high.
In order to meet the market demand, need badly and develop the HDPE resin for being suitable for large-caliber double-wall bellow.
The content of the invention
The technical problem of solution：The purpose of the present invention is to overcome the deficiencies in the prior art and provide a kind of large-caliber double-wall ripple
The preparation method of the effective modified HDPE resin of stricture of vagina, gained resin has good performance, can be used to prepare all kinds of large-caliber double-walls
Corrugated tube.
Technical scheme：A kind of large-caliber double-wall bellow preparation method of modified HDPE resin, comprises the following steps：
Step 1, kieselguhr is crushed, and obtains diatomite powder；
Step 2, in parts by weight, by epoxy resin 10-15 parts, coumarone indene resin 2-7 parts, butyl rubber 0.8-3.2 parts, phosphoric acid
Front three phenolic ester 0.1-0.5 parts, the mixing of bulking agent 1-3 parts, obtain mixture A；
Step 3, in parts by weight, by step 1 gained diatomite powder 2-7 parts, precipitated calcium carbonate 0.2-0.9 parts, glass fibre
0.1-0.6 parts, Zinc Oxide 0.2-0.8 part are added in mixture A, mixing, obtain mixture B；
Step 4, in parts by weight, by mixture B0.8-1.5 parts, epoxy soybean oil 0.2-0.5 parts, sodium citrate 0.1-0.3 parts
With 10 parts of HDPE mixing, import extruded in double screw extruder, cooled down, pelletize, obtain final product.
Further, in step 1 granularity of diatomite powder in 100-200 mesh.
Further, mixing temperature is 80-120 DEG C in step 2.
Further, the bulking agent is the one kind in PP-g-ST, ABS-g-MAH, PE-g-MAH or PP-g-MAH.
Further, the glass fiber diameter be 0.5-5 μm, length be 5-50 μm.
Further, in step 4 double screw extruder extrusion temperature be 220-250 DEG C, screw speed be 200-
300rpm。
Beneficial effect：The present invention HDPE resin yield tensile strength 32-38MPa, elongation at break be 860-890%,
Bending moduluses are 1180-1280MPa, impact strength is 32-38kJ/m2, can be used to prepare all kinds of large-caliber double-wall bellows.
Specific embodiment
Embodiment 1
A kind of large-caliber double-wall bellow preparation method of modified HDPE resin, comprises the following steps：
Step 1, kieselguhr is crushed, and obtains diatomite powder；
Step 2, in parts by weight, by 10 parts of epoxy resin, 2 parts of coumarone indene resin, 0.8 part of butyl rubber, tricresyl phosphate
0.1 part, 1 part of mixing of bulking agent, obtain mixture A；
Step 3, in parts by weight, by 2 parts of step 1 gained diatomite powder, 0.2 part of precipitated calcium carbonate, 0.1 part of glass fibre,
0.2 part of Zinc Oxide is added in mixture A, mixing, obtains mixture B；
Step 4, in parts by weight, by mixture B0.8 parts, 0.2 part of epoxy soybean oil, 0.1 part and HDPE 10 parts of sodium citrate
Mixing, import extruded, cooled down in double screw extruder, pelletize, obtain final product.
Wherein, in step 1 granularity of diatomite powder in 100 mesh；Mixing temperature is 80 DEG C in step 2；The bulking agent
For PP-g-ST；The glass fiber diameter is 0.5 μm, length is 5 μm；The extrusion temperature of double screw extruder is in step 4
220 DEG C, screw speed be 200rpm.
Embodiment 2
A kind of large-caliber double-wall bellow preparation method of modified HDPE resin, comprises the following steps：
Step 1, kieselguhr is crushed, and obtains diatomite powder；
Step 2, in parts by weight, by 11 parts of epoxy resin, 5 parts of coumarone indene resin, 1.4 parts of butyl rubber, tricresyl phosphate
0.2 part, 2 parts of mixing of bulking agent, obtain mixture A；
Step 3, in parts by weight, by 4 parts of step 1 gained diatomite powder, 0.7 part of precipitated calcium carbonate, 0.5 part of glass fibre,
0.6 part of Zinc Oxide is added in mixture A, mixing, obtains mixture B；
Step 4, in parts by weight, by mixture B1.2 parts, 0.3 part of epoxy soybean oil, 0.2 part and HDPE 10 parts of sodium citrate
Mixing, import extruded, cooled down in double screw extruder, pelletize, obtain final product.
Wherein, in step 1 granularity of diatomite powder in 100 mesh；Mixing temperature is 90 DEG C in step 2；The bulking agent
For ABS-g-MAH；The glass fiber diameter is 3 μm, length is 25 μm；The extrusion temperature of double screw extruder is in step 4
240 DEG C, screw speed be 250rpm.
Embodiment 3
A kind of large-caliber double-wall bellow preparation method of modified HDPE resin, comprises the following steps：
Step 1, kieselguhr is crushed, and obtains diatomite powder；
Step 2, in parts by weight, by 14 parts of epoxy resin, 5 parts of coumarone indene resin, 2.5 parts of butyl rubber, tricresyl phosphate
0.4 part, 2 parts of mixing of bulking agent, obtain mixture A；
Step 3, in parts by weight, by 6 parts of step 1 gained diatomite powder, 0.7 part of precipitated calcium carbonate, 0.5 part of glass fibre,
0.7 part of Zinc Oxide is added in mixture A, mixing, obtains mixture B；
Step 4, in parts by weight, by mixture B1.3 parts, 0.4 part of epoxy soybean oil, 0.2 part and HDPE 10 parts of sodium citrate
Mixing, import extruded, cooled down in double screw extruder, pelletize, obtain final product.
Wherein, in step 1 granularity of diatomite powder in 100 mesh；Mixing temperature is 80 DEG C in step 2；The bulking agent
For PP-g-ST；The glass fiber diameter is 0.5 μm, length is 5 μm；The extrusion temperature of double screw extruder is in step 4
220 DEG C, screw speed be 200rpm.
Embodiment 4
A kind of large-caliber double-wall bellow preparation method of modified HDPE resin, comprises the following steps：
Step 1, kieselguhr is crushed, and obtains diatomite powder；
Step 2, in parts by weight, by 15 parts of epoxy resin, 7 parts of coumarone indene resin, 3.2 parts of butyl rubber, tricresyl phosphate
0.5 part, 3 parts of mixing of bulking agent, obtain mixture A；
Step 3, in parts by weight, by 7 parts of step 1 gained diatomite powder, 0.9 part of precipitated calcium carbonate, 0.6 part of glass fibre,
0.8 part of Zinc Oxide is added in mixture A, mixing, obtains mixture B；
Step 4, in parts by weight, by mixture B1.5 parts, 0.5 part of epoxy soybean oil, 0.3 part and HDPE 10 parts of sodium citrate
Mixing, import extruded, cooled down in double screw extruder, pelletize, obtain final product.
Wherein, in step 1 granularity of diatomite powder in 200 mesh；Mixing temperature is 120 DEG C in step 2；The bulking agent
For PP-g-MAH；The glass fiber diameter is 5 μm, length is 50 μm；The extrusion temperature of double screw extruder is in step 4
250 DEG C, screw speed be 300rpm.
The yield tensile strength of the gained resin of embodiment 1 to 4 is 860-890%, bending moduluses in 32-38MPa, elongation at break
It is 32-38kJ/m for 1180-1280MPa, impact strength2。
Claims (6)
1. a kind of large-caliber double-wall bellow preparation method of modified HDPE resin, it is characterised in that：Comprise the following steps：
Step 1, kieselguhr is crushed, and obtains diatomite powder；
Step 2, in parts by weight, by epoxy resin 10-15 parts, coumarone indene resin 2-7 parts, butyl rubber 0.8-3.2 parts, phosphoric acid
Front three phenolic ester 0.1-0.5 parts, the mixing of bulking agent 1-3 parts, obtain mixture A；
Step 3, in parts by weight, by step 1 gained diatomite powder 2-7 parts, precipitated calcium carbonate 0.2-0.9 parts, glass fibre
0.1-0.6 parts, Zinc Oxide 0.2-0.8 part are added in mixture A, mixing, obtain mixture B；
Step 4, in parts by weight, by mixture B0.8-1.5 parts, epoxy soybean oil 0.2-0.5 parts, sodium citrate 0.1-0.3 parts
With 10 parts of HDPE mixing, import extruded in double screw extruder, cooled down, pelletize, obtain final product.
2. the large-caliber double-wall bellow according to claim 1 preparation method of modified HDPE resin, it is characterised in that：
The granularity of diatomite powder is in 100-200 mesh in step 1.
3. the large-caliber double-wall bellow according to claim 1 preparation method of modified HDPE resin, it is characterised in that：
Mixing temperature is 80-120 DEG C in step 2.
4. the large-caliber double-wall bellow according to claim 1 preparation method of modified HDPE resin, it is characterised in that：
The bulking agent is the one kind in PP-g-ST, ABS-g-MAH, PE-g-MAH or PP-g-MAH.
5. the large-caliber double-wall bellow according to claim 1 preparation method of modified HDPE resin, it is characterised in that：
The glass fiber diameter is 0.5-5 μm, length is 5-50 μm.
6. the large-caliber double-wall bellow according to claim 1 preparation method of modified HDPE resin, it is characterised in that：
In step 4 extrusion temperature of double screw extruder be 220-250 DEG C, screw speed be 200-300rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610928479.4A CN106566048A (en) | 2016-10-31 | 2016-10-31 | Preparation method of modified HDPE resin for large diameter double-wall corrugated pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610928479.4A CN106566048A (en) | 2016-10-31 | 2016-10-31 | Preparation method of modified HDPE resin for large diameter double-wall corrugated pipe |
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| CN106566048A true CN106566048A (en) | 2017-04-19 |
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| CN201610928479.4A Pending CN106566048A (en) | 2016-10-31 | 2016-10-31 | Preparation method of modified HDPE resin for large diameter double-wall corrugated pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108841064A (en) * | 2018-03-30 | 2018-11-20 | 南通加隆塑胶有限公司 | A kind of automobile air duct material and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101358008A (en) * | 2008-09-11 | 2009-02-04 | 大庆石油管理局 | Preparation method of special material for buried polyethylene drainage pipe |
| CN103497396A (en) * | 2013-09-18 | 2014-01-08 | 天津盛象塑料管业有限公司 | Heavy-caliber double-wall corrugated pipe |
| CN104277293A (en) * | 2014-09-30 | 2015-01-14 | 天津盛象塑料管业有限公司 | Enhanced HDPE (high-density polyethylene) double-wall corrugated pipe |
| CN105330929A (en) * | 2015-10-31 | 2016-02-17 | 贵州同益塑料制品有限公司 | Double-wall corrugated pipe and preparation method thereof |
-
2016
- 2016-10-31 CN CN201610928479.4A patent/CN106566048A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101358008A (en) * | 2008-09-11 | 2009-02-04 | 大庆石油管理局 | Preparation method of special material for buried polyethylene drainage pipe |
| CN103497396A (en) * | 2013-09-18 | 2014-01-08 | 天津盛象塑料管业有限公司 | Heavy-caliber double-wall corrugated pipe |
| CN104277293A (en) * | 2014-09-30 | 2015-01-14 | 天津盛象塑料管业有限公司 | Enhanced HDPE (high-density polyethylene) double-wall corrugated pipe |
| CN105330929A (en) * | 2015-10-31 | 2016-02-17 | 贵州同益塑料制品有限公司 | Double-wall corrugated pipe and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108841064A (en) * | 2018-03-30 | 2018-11-20 | 南通加隆塑胶有限公司 | A kind of automobile air duct material and preparation method thereof |
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Application publication date: 20170419 |