CN104086904A - Ultralow temperature impact toughness-resistant PP-R pipe material and preparation method thereof - Google Patents

Ultralow temperature impact toughness-resistant PP-R pipe material and preparation method thereof Download PDF

Info

Publication number
CN104086904A
CN104086904A CN201410357541.XA CN201410357541A CN104086904A CN 104086904 A CN104086904 A CN 104086904A CN 201410357541 A CN201410357541 A CN 201410357541A CN 104086904 A CN104086904 A CN 104086904A
Authority
CN
China
Prior art keywords
parts
pipe material
low temperature
impelling strength
preparation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410357541.XA
Other languages
Chinese (zh)
Inventor
龚维
张纯
尹晓刚
王潇梦
付海
吴伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guizhou Education University
Original Assignee
Guizhou Education University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guizhou Education University filed Critical Guizhou Education University
Priority to CN201410357541.XA priority Critical patent/CN104086904A/en
Publication of CN104086904A publication Critical patent/CN104086904A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/14—Copolymers of propene
    • 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
    • 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
    • C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
    • 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
    • C08L2207/04—Thermoplastic elastomer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

The invention discloses an ultralow temperature impact toughness-resistant PP-R (polypropylene) pipe material which is characterized by comprising the following raw materials in parts by weight: 80-91 parts of PP-R resin, 1-2 parts of grey masterbatch and 8-18 parts of a toughening modifier. A preparation method of the pipe material comprises the following steps: firstly, preparing the raw materials, namely preparing 80-91 parts of PP-R resin, 1-2 parts of grey masterbatch and 8-18 parts of a toughening modifier; secondly, extruding, namely adding the prepared raw materials into a double screw extruder, mixing for forming, cooling, and dicing to obtain a modification material A; thirdly, drying, namely drying the modification material A in a drying box to obtain a modification material B; fourthly, performing injection moulding, namely performing injection moulding on the modification material B on an injection moulding machine to form the PP-R pipe material. Therefore, the problems of poor ultralow temperature resistance, high breakage rate, great limitation of industrialized application and the like of an existing PP-R pipe material used at ultralow temperature (-30 DEG C to -10 DEG C) are solved.

Description

PP-R pipe material of a kind of anti-very low temperature impelling strength and preparation method thereof
Technical field
The invention belongs to PP-R tubing technology, relate in particular to PP-R pipe material of a kind of anti-very low temperature impelling strength and preparation method thereof.
Background technology
PP-R adopts PE that gas-phase copolymerization technique makes 5% left and right homogeneous polymerization (random copolymerization) and the pipeline material of new generation made randomly in the molecular chain of PP.Its intensity is high, preferably shock resistance and long-term creep behaviour.70 DEG C of working temperatures, under the condition that operating pressure is 1Mpa, tubing can reach 50 years work-ing life, on market, also can replace it without any a kind of more cheap material.But PP-R tubing is in-30 DEG C to-10 DEG C (very low temperature) use range, and the poor problem of anti-ultralow temperature impact performance is serious, and PP-R tubing breakage rate under very low temperature is large, greatly deindustrialization application.
Summary of the invention
Technical problem to be solved by this invention is, PP-R pipe material of a kind of anti-very low temperature impelling strength and preparation method thereof is provided, use in very low temperature (30 DEG C to-10 DEG C) situation to solve existing PP-R tubing, the anti-very low temperature poor performance of tubing and breakage rate are large, have greatly limited the problems such as industrial applications.
Technical scheme of the present invention:
A PP-R pipe material for anti-very low temperature impelling strength, its starting material by weight, PP-R resin 80-91 part, grey Masterbatch 1-2 part, 8～18 parts of plasticized modifiers.
Its starting material by weight, preferably 85.5 parts of PP-R resins, 1.5 parts of grey Masterbatchs, 13 parts of plasticized modifiers.
Described plasticized modifier is thermoplastic elastomer TPU, the trade mark: 2088A.
Described grey Masterbatch is that atactic copolymerized polypropene adds and makes toner, the trade mark: SM-403.
Described PP-R resin is atactic copolymerized polypropene, and the trade mark is: B4902.
The preparation method of the PP-R pipe material of described anti-very low temperature impelling strength: it comprises the steps:
Step 1, batching: according to raw-material weight part meter, PP-R resin 80-91 part, grey Masterbatch 1-2 part, the scope configuration starting material that plasticized modifier is 8～18 parts;
Step 2, extrude: the starting material that configure are added in twin screw extruder, carry out blend moulding, cooling, pelletizing, obtain modifying material A;
Step 3, oven dry: modifying material A is dried in drying baker, obtain modifying material B;
Step 4, injection moulding: modifying material B is injection molded into PP-R pipe material on injection moulding machine.
Expressing technique described in step 2, the processing parameter of twin screw extruder is: 190 DEG C, a district, 195 DEG C, 2nd district, 200 DEG C, 3rd district, 205 DEG C, 4th district, 210 DEG C, 5th district, 205 DEG C of heads, screw speed 40 r/min.
Step 3 Hot Air Dying Technology Parameters is: drying baker temperature is 90 DEG C, drying time 180 minutes.
In step 4 injection molding process, its injection parameters is: 230 DEG C of temperature, injection moulding speed 35%, injection pressure 50Mpa, injection time 12S.
Beneficial effect of the present invention:
The principle of technical solution of the present invention is: by PP-R resin, plasticized modifier, while preparing PP-R pipe material after ash Masterbatch etc. mixes, plasticized modifier selects thermoplastic elastomer (TPU, 2088A), add second-phase rubber phase at body material in mutually respectively by consistency technology and modification technology, third phase Masterbatch, realize the color matching of PP-R PP Pipe Compound evenly, ensure under other not reduction of performance conditions, anti-very low temperature impelling strength obtains and improves, the present invention is by rheology theory, consistency technology is applied to carries out modification in PP-R resin, solve the core technology that improves the anti-very low temperature fragility of atactic copolymerized polypropene PP Pipe Compound under heterogeneous existence, compared with PP-R tubing in the market, ensureing withstand voltage properties, on the basis that resistance toheat does not reduce, its anti-ultralow temperature impact performance is significantly spent raising, give the brand-new characteristic that former goods do not have, the industrial applications in PP-R tubing field is had to important guiding to be worth.Compared with prior art, the present invention adds thermoplastic elastomer TPU in PP-R resin, reaches good toughening effect by different ingredients design in the present invention; Compared with PP-R tubing in the market, it is a kind of technology of good cost performance, the invention solves existing PP-R pipe material and use in very low temperature (30 DEG C to-10 DEG C) situation, the anti-very low temperature poor performance of tubing and breakage rate are large, have greatly limited the problems such as industrial applications.
Embodiment
Embodiment mono-:
Step 1, in a kind of PP-R of anti-very low temperature impelling strength pipe material, its starting material by weight, PP-R resin 80-91 part, grey Masterbatch 1-2 part, carries out raw material preparation in the scope that plasticized modifier is 8～18 parts,
Raw material is chosen: PP-R resin, trade mark B4902, SINOPEC Beijing Yanshan Company, 91 parts of content.
Plasticized modifier selects thermoplastic elastomer TPU, the trade mark: 2088A, Jia, Shenzhen City Xin Hao plasthetics company limited, 8 parts of content.
Ash Masterbatch is that atactic copolymerized polypropene adds and makes toner, the trade mark: SM-403, Guangdong Liansu Scientific And Technical Industry Co., Ltd, 1 part of content.
Step 2, extrude: at expressing technique be: 190 DEG C, a district, 195 DEG C, 2nd district, 200 DEG C, 3rd district, 205 DEG C, 4th district, 210 DEG C, 5th district, 205 DEG C of heads; Screw speed 40 r/min, the PP-R modifying material that configuration is contained to toughner (TPU, 2088A), grey Masterbatch (SM-403) adds in twin screw extruder, carries out blend moulding, cooling, pelletizing, obtains modifying material A;
Step 3, dry: the modifying material A that step 2 is obtained, in being the baking oven of 90 DEG C, temperature dries, and the time is 180 minutes, obtains modifying material B;
Step 4, injection moulding: by modifying material B injection moulding PP-R test bars on injection moulding machine, its Shooting Technique is: 230 DEG C of temperature, injection moulding speed 35%, injection pressure 50Mpa, injection time 12S, obtains sample.
As can be seen from Table 1, the PP-R pipe material of preparing according to above-mentioned formula, by the product of extrusion, in-30 DEG C to-10 DEG C temperature ranges, its low-temperature impact resistance toughness obviously increases, compared with the PP-R pipe material of existing market, the anti-very low temperature impelling strength under very low temperature is 2-3 times of market PP-R tubing, and formula of the present invention and preparation thereof are suitable for the suitability for industrialized production of PP-R tubing.
Embodiment bis-:
Step 1, in a kind of PP-R of anti-very low temperature impelling strength pipe material, its starting material by weight, PP-R resin 80-91 part, grey Masterbatch 1-2 part, within the scope of 8～18 parts of plasticized modifiers
Choose: PP-R resin, trade mark B4902, SINOPEC Beijing Yanshan Company, 85.5 parts of content.
Thermoplastic elastomer TPU, the trade mark: 2088A, Jia, Shenzhen City Xin Hao plasthetics company limited, 13 parts of content
Ash Masterbatch, the trade mark: SM-403, Guangdong Liansu Scientific And Technical Industry Co., Ltd, 1.5 parts of content.
Repeating step 2-4 in embodiment 1 gets product.
As can be seen from Table 2, the PP-R pipe material of preparing according to above-mentioned formula, by the product of extrusion, in-30 DEG C to-10 DEG C very low temperature temperature ranges, its low-temperature impact resistance toughness obviously increases, compared with the PP-R tubing of market, the anti-very low temperature impelling strength under low temperature is the more than 2 times of market PP-R tubing, and the formula of this kind of scope PP Pipe Compound is suitable for the suitability for industrialized production of PP-R tubing.
Embodiment tri-:
Step 1, in a kind of PP-R of anti-very low temperature impelling strength pipe material, its starting material by weight, PP-R resin 80-91 part, grey Masterbatch 1-2 part, within the scope of 8～18 parts of plasticized modifiers
Choose: PP-R resin, trade mark B4902, SINOPEC Beijing Yanshan Company, 80 parts of content.
Thermoplastic elastomer TPU, the trade mark: 2088A, Jia, Shenzhen City Xin Hao plasthetics company limited, 18 parts of content
Ash Masterbatch, the trade mark: SM-403, Guangdong Liansu Scientific And Technical Industry Co., Ltd, 2 parts of content.
Repeating step 2-4 in embodiment 1 gets product.
As can be seen from Table 3, the PP-R special material for tube of preparing according to above-mentioned formula, by the product of extrusion, in the very low temperature temperature range of-30 DEG C to-10 DEG C, its anti-low very low temperature impelling strength obviously increases, compared with the PP-R tubing of market, the anti-very low temperature impelling strength under low temperature is 2-3 times of market PP-R tubing, and the formula of this kind of scope PP Pipe Compound is suitable for the suitability for industrialized production of PP-R tubing.

Claims (9)

1. a PP-R pipe material for anti-very low temperature impelling strength, is characterized in that: its starting material by weight, PP-R resin 80-91 part, grey Masterbatch 1-2 part, 8～18 parts of plasticized modifiers.
2. the PP-R pipe material of a kind of anti-very low temperature impelling strength according to claim 1, is characterized in that: its starting material by weight, 85.5 parts of PP-R resins, 1.5 parts of grey Masterbatchs, 13 parts of plasticized modifiers.
3. the PP-R pipe material of a kind of anti-very low temperature impelling strength according to claim 1 and 2, is characterized in that: described plasticized modifier is thermoplastic elastomer TPU, the trade mark:, 2088A.
4. the PP-R pipe material of a kind of anti-very low temperature impelling strength according to claim 1 and 2, is characterized in that: described grey Masterbatch is that atactic copolymerized polypropene adds and makes toner, the trade mark: SM-403.
5. the PP-R pipe material of a kind of anti-very low temperature impelling strength according to claim 1 and 2, is characterized in that: described PP-R resin is atactic copolymerized polypropene, and the trade mark is: B4902.
6. the preparation method of the PP-R pipe material of anti-very low temperature impelling strength described in: it comprises the steps:
Step 1, batching: according to raw-material weight part meter, PP-R resin 80-91 part, grey Masterbatch 1-2 part, the scope configuration starting material that plasticized modifier is 8～18 parts;
Step 2, extrude: the starting material that configure are added in twin screw extruder, carry out blend moulding, cooling, pelletizing, obtain modifying material A;
Step 3, oven dry: modifying material A is dried in drying baker, obtain modifying material B;
Step 4, injection moulding: modifying material B is injection molded into PP-R tubing on injection moulding machine.
7. the preparation method of the PP-R pipe material of a kind of anti-very low temperature impelling strength according to claim 6, it is characterized in that: the expressing technique described in step 2, the processing parameter of twin screw extruder is: 190 DEG C, a district, 195 DEG C, 2nd district, 200 DEG C, 3rd district, 205 DEG C, 4th district, 210 DEG C, 5th district, 205 DEG C of heads, screw speed 40 r/min.
8. the preparation method of the PP-R pipe material of a kind of anti-very low temperature impelling strength according to claim 6, is characterized in that: step 3 Hot Air Dying Technology Parameters is: drying baker temperature is 90 DEG C, drying time 180 minutes.
9. the preparation method of the PP-R pipe material of a kind of anti-very low temperature impelling strength according to claim 6, it is characterized in that: in step 4 injection molding process, its injection parameters is: 230 DEG C of temperature, injection moulding speed 35%, injection pressure 50Mpa, injection time 12S.
CN201410357541.XA 2014-07-25 2014-07-25 Ultralow temperature impact toughness-resistant PP-R pipe material and preparation method thereof Pending CN104086904A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410357541.XA CN104086904A (en) 2014-07-25 2014-07-25 Ultralow temperature impact toughness-resistant PP-R pipe material and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410357541.XA CN104086904A (en) 2014-07-25 2014-07-25 Ultralow temperature impact toughness-resistant PP-R pipe material and preparation method thereof

Publications (1)

Publication Number Publication Date
CN104086904A true CN104086904A (en) 2014-10-08

Family

ID=51634675

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410357541.XA Pending CN104086904A (en) 2014-07-25 2014-07-25 Ultralow temperature impact toughness-resistant PP-R pipe material and preparation method thereof

Country Status (1)

Country Link
CN (1) CN104086904A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113150354A (en) * 2021-05-10 2021-07-23 武汉金牛经济发展有限公司 Microwave treatment method for low-temperature-resistant high-performance PP-R pipe
CN115056557A (en) * 2022-07-27 2022-09-16 日丰企业(天津)有限公司 High-impact anti-fouling antibacterial PPR pipe and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001012717A1 (en) * 1999-08-12 2001-02-22 Baxter International Inc. Thermoplastic composition
CN1697847A (en) * 2003-01-27 2005-11-16 大日精化工业株式会社 Thermoplastic polyurethane and use thereof
CN102977456A (en) * 2012-12-07 2013-03-20 湖北工业大学 Polypropylene toughening modifying agent and polypropylene modified product thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001012717A1 (en) * 1999-08-12 2001-02-22 Baxter International Inc. Thermoplastic composition
CN1697847A (en) * 2003-01-27 2005-11-16 大日精化工业株式会社 Thermoplastic polyurethane and use thereof
CN102977456A (en) * 2012-12-07 2013-03-20 湖北工业大学 Polypropylene toughening modifying agent and polypropylene modified product thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
周红军: ""PP/TPU/纳米SiO2复合材料的制备与性能研究"", 《化工新型材料》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113150354A (en) * 2021-05-10 2021-07-23 武汉金牛经济发展有限公司 Microwave treatment method for low-temperature-resistant high-performance PP-R pipe
CN115056557A (en) * 2022-07-27 2022-09-16 日丰企业(天津)有限公司 High-impact anti-fouling antibacterial PPR pipe and preparation method thereof

Similar Documents

Publication Publication Date Title
CN103756092B (en) High pressure resistant PE flexible pipe of thin-walled and preparation method thereof
CN104151712A (en) Low temperature impact toughness resistant PP-R (polypropylene random copolymer) tubular product material and preparation method thereof
CN104177662A (en) Biodegradable material as well as preparation method and application of biodegradable material
CN104130508A (en) Low-oriented extrusion grade polypropylene material and preparation method thereof
CN103788488A (en) Polypropylene composite material and preparation method thereof
CN104086904A (en) Ultralow temperature impact toughness-resistant PP-R pipe material and preparation method thereof
CN102408725B (en) Silicone rubber applicable to microwave curing and preparation method thereof
CN103772945B (en) A kind of polycarbonate composite plastic and preparation method thereof
CN103980652B (en) Chain extension waste electrical equipment shell ABS plastic and preparation method thereof
CN103601970B (en) A kind of High-strength transparent plastic barrel
CN204296006U (en) A kind of diameter progressive screw extruder
CN102582085B (en) Polyethylene self-reinforced composite material and preparation method thereof
CN104479310A (en) Preparation method of environment-friendly polylactic acid composite material for infant drinking cup
CN109514800A (en) A kind of TPU flow liner film and preparation method thereof
CN105710982A (en) Rubber product processing method
CN108003582B (en) A kind of polylactic acid wood plastics composite wire rod and its preparation method and application
CN105907094A (en) Heat-resistant high-elasticity plastic material and preparation method thereof
CN204546816U (en) The process units that liquid rubber is mixing
CN102977250A (en) Modified polytetrafluoroethylene, preparation method of modified polytetrafluoroethylene and application of modified polytetrafluoroethylene to high frequency connector
CN103709579B (en) A kind of high strength butadiene-styrene rubber and preparation method thereof
CN203157102U (en) Stirring extruder
CN203092825U (en) Rounded rectangular thermoplastic elastomer (TPE) extrusion particle
CN102146201A (en) Modified PC/ABS (Polycarbonate/Acrylonitrile Butadiene Styrene) alloy and preparation method thereof
CN105038147A (en) PET composition capable of improving crystallization property and impact property of PET, and preparation method of PET composition
CN104845101A (en) Glass-fiber reinforced PET/PTT alloy and preparation method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20141008