CN107216528A - Ultra micro glass cotton applied to HDPE double-wall corrugated pipes strengthens agglomerate preparation method - Google Patents
Ultra micro glass cotton applied to HDPE double-wall corrugated pipes strengthens agglomerate preparation method Download PDFInfo
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- CN107216528A CN107216528A CN201710594667.2A CN201710594667A CN107216528A CN 107216528 A CN107216528 A CN 107216528A CN 201710594667 A CN201710594667 A CN 201710594667A CN 107216528 A CN107216528 A CN 107216528A
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- ultra micro
- glass cotton
- micro glass
- master batch
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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
-
- 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
- C08K2201/011—Nanostructured additives
-
- 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
-
- 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
- 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
- C08L2207/066—LDPE (radical process)
Abstract
Strengthen agglomerate preparation method the invention discloses a kind of ultra micro glass cotton applied to HDPE double-wall corrugated pipes, by banbury banburying into improving uniformity of melt, improving uniformity of melt after shaping is passed through into single screw extrusion machine extruding pelletization, ultra micro glass cotton enhancing master batch is made, nanometer carbon black possesses big and light weight the advantage of intensity in ultra micro glass cotton enhancing master batch obtained by the present invention, and the HDPE double-wall corrugated pipes strengthened using ultra micro glass cotton of the present invention obtained by master batch have the advantages that small dimensional contraction rate, any surface finish, modulus of elasticity are high and ring stiffness is high.
Description
Technical field
The present invention relates to building materials technology field, and in particular to a kind of ultra micro glass cotton applied to HDPE double-wall corrugated pipes
Strengthen agglomerate preparation method.
Background technology
Ultra micro glass cotton enhancing master batch is mainly used in fiber product (carpet, terylene, non-woven fabrics etc.), blow molded article (bag
Pack, casting films, multilayer complex films etc.), blow-molded article (medicine and cosmetics containers, paint container etc.), extrudate (piece
Material, tubing, cable, electric wire etc.), injection-molded item (auto parts machinery, electrical equipment, building materials, commodity, toy, sports goods etc.).It has
Have easy to use, to shaping environmental nonpollution, uniform coloring, stably, improve plastic part quality, be easy to metering, can apply from
The high forming production system of dynamicization degree, can combine in a side by coloring, age resister, antistatic additive etc. and multifunctional mother granules are made,
The advantages of convenient use.
HDPE is one of big common plasticses in the world 5, in view of its good toughness and processability, are used widely, in city
Also it is able to largely use in political affairs water supply and sewerage pipeline, conventional H DPE double-wall corrugated pipes are typically used as increasing using talcum powder and calcium carbonate
, there is the shortcomings of low intensity, weight are big, dimensional contraction is obvious in strong material, cause that pipe ring stiffness is low, critical external compressive resistance energy compared to glass
The problems such as power is poor, cost is high.
But in existing technology, prepare ultra micro glass cotton enhancing master batch and have that concentration is low, toner dyeing has pollution, glass fibers
Dimension bad dispersibility, the not high shortcoming of surface active degree in resin.
The content of the invention
To solve the above problems, the present invention proposes that a kind of ultra micro glass cotton applied to HDPE double-wall corrugated pipes strengthens female
Grain preparation method.
To realize the object of the invention, the technical scheme of use is：A kind of ultra micro glass applied to HDPE double-wall corrugated pipes
Fiber cotton strengthens agglomerate preparation method, and the preparation method of the ultra micro glass cotton enhancing master batch is as follows：
1) ultra micro glass cotton is heat-treated by high temperature, is removed the surface impregnation agent in production process, is matched somebody with somebody in proportion
Ultra micro glass cotton surface conditioning agent is put, by organo silane coupling agent in ethanol：Water=1:It is dissolved as naturally in 5 alcohol hydrate
Transparence, then sequentially adds fluorocarbon surface activator, Aluminate and metatitanic acid in high-speed stirred into the container equipped with softened water
Ester, the organo silane coupling agent of uniform hydrolyses is added thereto, that is, surface conditioning agent is made；
2) surface conditioning agent is sprayed on the ultra micro glass of continuous feed by under high-temperature hot air state with spray pattern
On cotton, acted on by the interface bridge joint of functional group, activation process is fully carried out to ultra micro glass cotton surface, high-temperature spray will be passed through
Ultra micro glass cotton, which is placed in baking oven, afterwards is dried reaction, is by crusher in crushing by the ultra micro glass cotton obtained after drying
1cm or so floccule, dry-storage is standby；
3) weigh the ultra micro glass flocculence particulate matter after HDPE resin, processing in proportion, it is processing aid, lubricant, anti-
It is added to after oxygen agent and light stabilizer in banbury, by banbury by above-mentioned load weighted raw material banburying into improving uniformity of melt；
4) by the improving uniformity of melt after shaping by single screw extrusion machine extruding pelletization, using water cooling bracing pelletizing or water ring
The mode pelletizing such as fervent, is made ultra micro glass cotton enhancing master batch.
It is preferred that, the heat treatment temperature in the preparation method step 1 of ultra micro glass cotton enhancing master batch is set to 400~
450 DEG C, heat treatment time is 30~60min.
It is preferred that, the oven interior temperature setting in the preparation method step 2 of the ultra micro glass cotton enhancing master batch is 80
~110 DEG C, the dry reaction time in baking oven is 4~8h.
It is preferred that, the mixing temperature in the preparation method step 3 of ultra micro glass cotton enhancing master batch is set to 130~
150 DEG C, mixing time is set to 8~12min.
It is preferred that, the extruder temperature in the preparation method step 4 of ultra micro glass cotton enhancing master batch is set to 165~
180℃。
It is preferred that, the ultra micro glass cotton enhancing master batch composition includes ultra micro glass after HDPE resin 30%~50%, processing
Fiber cotton floccule 40%~60%, processing aid 5%~15%, lubricant 3%~6%, antioxidant 1~2% and light stabilizer 1
~2%, ultra micro glass flocculence thing includes ultra micro glass cotton 80~90%, silane coupler 4%~10%, titanium after the processing
Acid esters 2%~5%, Aluminate 2%~5%, fluorocarbon surface activator 1%~4% and soft water 1~10%.
It is preferred that, melting of the ultra micro glass cotton enhancing master batch when rated temperature is 190 DEG C and rated load is 5kg
Index is 30 ± 10g/10min, and described ultra micro glass cotton strengthens shrinkage factor≤1.5% of master batch.
Beneficial effects of the present invention are：The present invention is applied in the ultra micro glass cotton enhancing master batch of HDPE double-wall corrugated pipes
Nanometer carbon black possesses by force in rational raw material selection, rational raw material ratio, obtained ultra micro glass cotton enhancing master batch
Big and light weight the advantage of degree, the HDPE double-wall corrugated pipes strengthened using ultra micro glass cotton of the present invention obtained by master batch have chi
Very little shrinkage factor is small, any surface finish, modulus of elasticity high and the high advantage of ring stiffness.
Brief description of the drawings
Fig. 1 is that the present invention strengthens the raw material ratio table of master batch applied to the ultra micro glass cotton of HDPE double-wall corrugated pipes.
Fig. 2 is the present invention applied to the ultra micro glass cotton enhancing master batch of HDPE double-wall corrugated pipes and preparation method thereof technique
Flow chart.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer to shown in Fig. 1, the technical solution adopted by the present invention is：A kind of ultra micro applied to HDPE double-wall corrugated pipes
Glass cotton strengthens the preparation method of master batch, and the ultra micro glass cotton enhancing master batch matching method is as follows：
Embodiment 1
Ultra micro glass cotton strengthens master batch raw material proportioning：HDPE resin 35%, processing after ultra micro glass flocculence thing 50%, plus
Work auxiliary agent 8%, lubricant 3%, antioxidant 2% and light stabilizer 2%；Ultra micro glass flocculence thing includes ultra micro glass after processing
Cotton 80%, silane coupler 8%, titanate esters 2%, Aluminate 2%, fluorocarbon surface activator 2%, soft water 2% and the mixing of alcohol water
Thing 4%.
Wherein, silane coupler is VTES；Processing aid is methylmethacrylate polymer；Profit
Lubrication prescription is stearic acid or its esters；Antioxidant is Hinered phenols antioxidant；Light stabilizer is Benzotriazole Ultraviolet Stabilizer.
Embodiment 2
Ultra micro glass cotton strengthens master batch raw material proportioning：HDPE resin 40%, processing after ultra micro glass flocculence thing 42%, plus
Work auxiliary agent 9%, lubricant 5%, antioxidant 2% and light stabilizer 2%；Ultra micro glass flocculence thing includes ultra micro glass after processing
Cotton 85%, silane coupler 5%, titanate esters 2%, Aluminate 2%, fluorocarbon surface activator 1%, soft water 2% and the mixing of alcohol water
Thing 3%.
Wherein, silane coupler is γ-aminocarbonyl propyl triithylamine base silane；Processing aid be POE, PE-g-MAH and EVA,
Ratio is 1:1:1；Lubricant is PE waxes, OPE waxes and Fischer-Tropsch wax, and ratio is 1:1:1；Antioxidant is suffocated amine antioxidant；Light
Stabilizer is Benzotriazole Ultraviolet Stabilizer.
Embodiment 3
Ultra micro glass cotton strengthens master batch raw material proportioning：HDPE resin 30%, processing after ultra micro glass flocculence thing 55%, plus
Work auxiliary agent 8%, lubricant 5%, antioxidant 1% and light stabilizer 1%；Ultra micro glass flocculence thing includes ultra micro glass after processing
Cotton 85%, silane coupler 4%, titanate esters 2%, Aluminate 2%, fluorocarbon surface activator 1%, soft water 3% and the mixing of alcohol water
Thing 3%.
Wherein, silane coupler is γ-(ethylenediamine base) propyl trimethoxy silicane；Processing aid be LLDPE, LDPE and
Methylmethacrylate polymer, ratio is 1:1:2；Lubricant is metal soap compound；Antioxidant is anti-for phosphorous acid esters
Oxygen agent；Light stabilizer is Benzotriazole Ultraviolet Stabilizer.
Embodiment 4
Ultra micro glass cotton strengthens master batch raw material proportioning：HDPE resin 30%, processing after ultra micro glass flocculence thing 50%, plus
Work auxiliary agent 11%, lubricant 5%, antioxidant 2% and light stabilizer 2%；Ultra micro glass flocculence thing includes ultra micro glass after processing
Fiber cotton 80%, silane coupler 4%, titanate esters 2%, Aluminate 2%, fluorocarbon surface activator 2%, soft water 5% and alcohol water are mixed
Compound 5%.
Wherein, silane coupler is γ-methacrylic acid propyl trimethoxy silicane；Processing aid is methyl methacrylate
Ester polymer；Lubricant is PE waxes, OPE waxes and Fischer-Tropsch wax, and ratio is 1:1:1；Antioxidant is hydrolysis-resisting agent；Light stabilizer is benzene
And triazole type ultra-violet absorber.
Refer to shown in Fig. 2, the technical solution adopted by the present invention is：A kind of ultra micro applied to HDPE double-wall corrugated pipes
Glass cotton strengthens agglomerate preparation method, and the preparation method of the ultra micro glass cotton enhancing master batch is as follows：
1) ultra micro glass cotton is heat-treated by high temperature, is removed the surface impregnation agent in production process, is matched somebody with somebody in proportion
Ultra micro glass cotton surface conditioning agent is put, by organo silane coupling agent in ethanol：Water=1:It is dissolved as naturally in 5 alcohol hydrate
Transparence, then sequentially adds fluorocarbon surface activator, Aluminate and metatitanic acid in high-speed stirred into the container equipped with softened water
Ester, the organo silane coupling agent of uniform hydrolyses is added thereto, that is, surface conditioning agent is made；
2) surface conditioning agent is sprayed on the ultra micro glass of continuous feed by under high-temperature hot air state with spray pattern
On cotton, acted on by the interface bridge joint of functional group, activation process is fully carried out to ultra micro glass cotton surface, high-temperature spray will be passed through
Ultra micro glass cotton, which is placed in baking oven, afterwards is dried reaction, is by crusher in crushing by the ultra micro glass cotton obtained after drying
1cm or so floccule, dry-storage is standby；
3) weigh the ultra micro glass flocculence particulate matter after HDPE resin, processing in proportion, it is processing aid, lubricant, anti-
It is added to after oxygen agent and light stabilizer in banbury, by banbury by above-mentioned load weighted raw material banburying into improving uniformity of melt；
4) by the improving uniformity of melt after shaping by single screw extrusion machine extruding pelletization, using water cooling bracing pelletizing or water ring
The mode pelletizing such as fervent, is made ultra micro glass cotton enhancing master batch.
Further, the grain amount of the ultra micro glass cotton enhancing master batch is 200 ± 10/10g and without 2 company's pellets,
The density of described ultra micro glass cotton enhancing master batch is 1.5g/cm3, described ultra micro glass cotton strengthens the elasticity of flexure mould of master batch
Amount >=8000MPa, described ultra micro glass cotton strengthens notch impact strength >=20kJ/m of master batch2。
Further, the ultra micro glass cotton enhancing master batch is molten when rated temperature is 190 DEG C and rated load is 5kg
Melt index for 30 ± 10g/10min, described ultra micro glass cotton strengthens shrinkage factor≤1.5% of master batch.
Further, the heat treatment temperature in the preparation method step 1 of the ultra micro glass cotton enhancing master batch is set to 400
~450 DEG C, heat treatment time is 30~60min.
Further, the oven interior temperature setting in the preparation method step 2 of the ultra micro glass cotton enhancing master batch is
80~110 DEG C, the dry reaction time in baking oven is 4~8h.
Further, the mixing temperature in the preparation method step 3 of ultra micro glass cotton enhancing master batch be set to 130~
150 DEG C, mixing time is set to 8~12min.
Further, the extruder temperature in the preparation method step 4 of the ultra micro glass cotton enhancing master batch is set to 165
~180 DEG C.
In the present invention, the present invention is applied to rational former in the ultra micro glass cotton enhancing master batch of HDPE double-wall corrugated pipes
Material is selected, rational raw material ratio, and nanometer carbon black possesses that intensity is big and matter in obtained ultra micro glass cotton enhancing master batch
The light advantage of amount, the HDPE double-wall corrugated pipes strengthened using ultra micro glass cotton of the present invention obtained by master batch have dimensional contraction rate
Small, any surface finish, modulus of elasticity height and the high advantage of ring stiffness.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. the ultra micro glass cotton enhancing agglomerate preparation method applied to HDPE double-wall corrugated pipes, it is characterised in that：The ultra micro
The preparation method of glass cotton enhancing master batch is as follows：
1) ultra micro glass cotton is heat-treated by high temperature, removes the surface impregnation agent in production process, configures super in proportion
Micro- glass cotton surface conditioning agent, by organo silane coupling agent in ethanol：Water=1:It is dissolved as naturally in 5 alcohol hydrate transparent
Shape, then sequentially adds fluorocarbon surface activator, Aluminate and titanate esters in high-speed stirred into the container equipped with softened water, will
The organo silane coupling agent of uniform hydrolyses is added thereto, that is, surface conditioning agent is made；
2) surface conditioning agent is sprayed on the ultra micro glass cotton of continuous feed by under high-temperature hot air state with spray pattern,
Acted on by the interface bridge joint of functional group, activation process is fully carried out to ultra micro glass cotton surface, will be surpassed after high-temperature spray
Micro- glass cotton, which is placed in baking oven, is dried reaction, and it is 1cm that the ultra micro glass cotton obtained after drying is passed through into crusher in crushing
The floccule of left and right, dry-storage is standby；
3) weighs ultra micro glass flocculence particulate matter, processing aid, lubricant, antioxidant after HDPE resin, processing in proportion
It is added to after light stabilizer in banbury, by banbury by above-mentioned load weighted raw material banburying into improving uniformity of melt；
4) by the improving uniformity of melt after shaping by single screw extrusion machine extruding pelletization, using water cooling bracing pelletizing or Water-circulating thermal cutting
Etc. mode pelletizing, ultra micro glass cotton enhancing master batch is made.
2. the ultra micro glass cotton according to claim 1 applied to HDPE double-wall corrugated pipes strengthens agglomerate preparation method,
It is characterized in that：Heat treatment temperature in the preparation method step 1 of the ultra micro glass cotton enhancing master batch is set to 400~450
DEG C, heat treatment time is 30~60min.
3. the ultra micro glass cotton according to claim 1 applied to HDPE double-wall corrugated pipes strengthens agglomerate preparation method,
It is characterized in that：Oven interior temperature setting in the preparation method step 2 of the ultra micro glass cotton enhancing master batch is 80~110
DEG C, the dry reaction time in baking oven is 4~8h.
4. the ultra micro glass cotton according to claim 1 applied to HDPE double-wall corrugated pipes strengthens agglomerate preparation method,
It is characterized in that：Mixing temperature in the preparation method step 3 of the ultra micro glass cotton enhancing master batch is set to 130~150 DEG C,
Mixing time is set to 8~12min.
5. the ultra micro glass cotton according to claim 1 applied to HDPE double-wall corrugated pipes strengthens agglomerate preparation method,
It is characterized in that：Extruder temperature in the preparation method step 4 of the ultra micro glass cotton enhancing master batch is set to 165~180
℃。
6. the ultra micro glass cotton according to claim 1 applied to HDPE double-wall corrugated pipes strengthens agglomerate preparation method,
It is characterized in that：The ultra micro glass cotton enhancing master batch composition includes ultra micro glass cotton after HDPE resin 30%~50%, processing
Floccule 40%~60%, processing aid 5%~15%, lubricant 3%~6%, antioxidant 1~2% and light stabilizer 1~
2%, ultra micro glass flocculence thing includes ultra micro glass cotton 80~90%, silane coupler 4%~10%, metatitanic acid after the processing
Ester 2%~5%, Aluminate 2%~5%, fluorocarbon surface activator 1%~4% and soft water 1~10%.
7. the ultra micro glass cotton according to claim 1 applied to HDPE double-wall corrugated pipes strengthens agglomerate preparation method,
It is characterized in that：Melt index of the ultra micro glass cotton enhancing master batch when rated temperature is 190 DEG C and rated load is 5kg
For 30 ± 10g/10min, described ultra micro glass cotton strengthens shrinkage factor≤1.5% of master batch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710594667.2A CN107216528A (en) | 2017-07-20 | 2017-07-20 | Ultra micro glass cotton applied to HDPE double-wall corrugated pipes strengthens agglomerate preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710594667.2A CN107216528A (en) | 2017-07-20 | 2017-07-20 | Ultra micro glass cotton applied to HDPE double-wall corrugated pipes strengthens agglomerate preparation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107216528A true CN107216528A (en) | 2017-09-29 |
Family
ID=59952549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710594667.2A Pending CN107216528A (en) | 2017-07-20 | 2017-07-20 | Ultra micro glass cotton applied to HDPE double-wall corrugated pipes strengthens agglomerate preparation method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1134432A (en) * | 1995-04-27 | 1996-10-30 | 朱正铤 | Polyethylene fire-retardant film |
| CN101798415A (en) * | 2009-12-18 | 2010-08-11 | 南京金杉汽车工程塑料有限责任公司 | Toughened and strengthened master batch |
| CN103772789A (en) * | 2014-01-10 | 2014-05-07 | 公安部四川消防研究所 | Flame-retardant polyolefin resin composition and preparation method thereof, and flame-retardant tubular product |
| CN103937075A (en) * | 2014-05-06 | 2014-07-23 | 康泰塑胶科技集团有限公司 | Polyethylene corrugated pipe and preparation method thereof |
| CN105390640A (en) * | 2015-09-30 | 2016-03-09 | 保定风帆美新蓄电池隔板制造有限公司 | PE (polyethylene) separator of lead-acid storage battery and manufacturing method for PE separator |
| CN105778334A (en) * | 2016-03-16 | 2016-07-20 | 南京航空航天大学 | Glass fiber-thermoplastic plastic granules and method for preparing same |
| CN105801955A (en) * | 2014-12-31 | 2016-07-27 | 上海心尔新材料科技股份有限公司 | Silane naturally crosslinked modified masterbatch dedicated to HDPE double-wall corrugated pipe and manufacturing method thereof |
-
2017
- 2017-07-20 CN CN201710594667.2A patent/CN107216528A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1134432A (en) * | 1995-04-27 | 1996-10-30 | 朱正铤 | Polyethylene fire-retardant film |
| CN101798415A (en) * | 2009-12-18 | 2010-08-11 | 南京金杉汽车工程塑料有限责任公司 | Toughened and strengthened master batch |
| CN103772789A (en) * | 2014-01-10 | 2014-05-07 | 公安部四川消防研究所 | Flame-retardant polyolefin resin composition and preparation method thereof, and flame-retardant tubular product |
| CN103937075A (en) * | 2014-05-06 | 2014-07-23 | 康泰塑胶科技集团有限公司 | Polyethylene corrugated pipe and preparation method thereof |
| CN105801955A (en) * | 2014-12-31 | 2016-07-27 | 上海心尔新材料科技股份有限公司 | Silane naturally crosslinked modified masterbatch dedicated to HDPE double-wall corrugated pipe and manufacturing method thereof |
| CN105390640A (en) * | 2015-09-30 | 2016-03-09 | 保定风帆美新蓄电池隔板制造有限公司 | PE (polyethylene) separator of lead-acid storage battery and manufacturing method for PE separator |
| CN105778334A (en) * | 2016-03-16 | 2016-07-20 | 南京航空航天大学 | Glass fiber-thermoplastic plastic granules and method for preparing same |
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Application publication date: 20170929 |
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