CN102911455B - PVC/MBS/ACR (Polyvinyl chloride/methyl methacrylate butadiene styrene copolymer/methyl methacrylate-acrylate copolymer) tubing with high impact resistance and preparation method thereof - Google Patents
PVC/MBS/ACR (Polyvinyl chloride/methyl methacrylate butadiene styrene copolymer/methyl methacrylate-acrylate copolymer) tubing with high impact resistance and preparation method thereof Download PDFInfo
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- CN102911455B CN102911455B CN201210357262.4A CN201210357262A CN102911455B CN 102911455 B CN102911455 B CN 102911455B CN 201210357262 A CN201210357262 A CN 201210357262A CN 102911455 B CN102911455 B CN 102911455B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92904—Die; Nozzle zone
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a PVC/MBS/ACR (polyvinyl chloride/methyl methacrylate butadiene styrene copolymer/methyl methacrylate-acrylate copolymer) tubing with high impact resistance and a preparation method of the tubing. The tubing is prepared from a material A and a material B at an equal ratio through mixing, extruding and granulating. According to the invention, by further optimizing the formula, the dispersion of an inorganic filler can be promoted in the processing process of the PVC tubing, the fluidity of PVC melt is improved, the tensile strength and elongation at break are also improved, and the shortcomings of good toughness and low hardness when polyethylene products use chlorinated polyethylene are changed; and after impact modifier ACM (acrylester-2-chlorovinylether rubber), ACR resin, MBS resin and other components are used in the formula, the cold bending performance and impact resistance of the produced tubing are improved.
Description
Technical field
The present invention relates to PVC production field, particularly relate to a kind of high-impact PVC/MBS/ACR tubing and preparation method thereof.
Background technology
The major ingredient of PVC is polyvinyl chloride, adds the auxiliary material such as softening agent, antiaging agent in addition to increase its thermotolerance, toughness, ductility etc.PVC be the world today is liked deeply, the rather popular and a kind of synthetic materials be also widely used.PVC is a kind of tubing of maturation, is mainly used in water supply and sewage work.PVC has acidproof, alkaline-resisting, erosion resistance, intensity advantages of higher, but, at present large step point production manufacturer production PVC shock resistance out bad, especially the plasticizing process in the processing of PVC product, the dispersion of inorganics and the processing fluidity of PVC melt are difficult problems always.
Summary of the invention
The object of the invention is to provide a kind of high-impact PVC/MBS/ACR tubing and preparation method thereof for the deficiencies in the prior art, improve the shock resistance of PVC.
For achieving the above object, the present invention adopts following technical scheme:
A kind of high-impact PVC/MBS/ACR tubing is expected by A and B expects that equal proportion mixes extruding pelletization and is prepared from, and described A material, B material are obtained by the raw material extruding pelletization of following weight part respectively:
A expects:
Polyvinyl chloride SG-5 50-60, polyvinyl chloride reworked material 40-50, light calcium carbonate 20-30, chlorinatedpolyethylene 10-20, ABS high glue powder 10-15, dimethyl dimercapto 2-ethyl hexyl ethanoate tin 2-5,1,3-benzene disulfohydrazide 0.2-0.4, Di(dioctylpyrophosphato) ethylene titanate 0.3-0.5, oxidation inhibitor 900 0.4-0.6, UV light absorber UV-327 0.2-0.4, glyceryl stearate 0.3-0.5,2,4 dihydroxy benzophenone 0.1-0.2, modified coal ash 5-10
Described modified coal ash is made up of following method: the flyash after calcination is successively placed in 20-25% sulfuric acid, 16-24% sodium hydroxide solution successively, stir 20-22h, then the flyash leached from soda acid immersion liquid, with deionized water rinsing to neutral, and determined with the test of PH test paper, finally filter, dry, then flyash is pressed: ground dolomite: three kinds of materials are sent into 1050-1100 DEG C of roasting 1-1.5 hour in fluidized-bed by ground barium sulfate weight ratio 1:0.3-0.5:0.5-0.8, grind to form nanometer powder after cooling;
B expects:
Polyvinyl chloride SG-5 50-60, MBS resin 20-30, ACR resin 20-30, bisphenol A polycarbonate 10-15, SBR 4-8, wood powder 5-10, N, vinegar 10-20, anilinomethyl triethoxysilane 0.3-0.5, two Lauryl Alcohol ester 0.1-0.3, irgasfos 168 0.2-0.5, polyethylene wax 0.3-0.5, Zinic stearas 2-5, TDE 0.1-0.3, modified aluminium alumina 5-10 in N-dinitrosopentamethlyene tetramine 2-5, poly-caproic acid
Described modified aluminium alumina is made up of following method: first use 15-20% salt acid soak bauxitic clay 1-2 hour, leaves standstill, clarification, centrifugal, solid washed with water is extremely neutral, after oven dry, add the aminopropyl triethoxysilane agitating being equivalent to solid weight 3-5% even, dry, be ground into powder.
The preparation method of described high-impact PVC/MBS/ACR tubing comprises the following steps:
The first step: prepare A material, B material respectively
One, the preparation of A material
(1) take each formula material by formula rate, the starting material weighed up are dropped into high-speed stirring 10-15 min in high-speed mixer, and temperature is 80-90 DEG C, after its moisture content fully evaporates, through cold mixer, material is down to 40-50 DEG C;
(2) above-mentioned compound is joined in parallel double-screw extruder carry out melt blending and granulation namely obtain A material, extruder barrel temperature is 245-255 DEG C, and die head temperature is 255-270 DEG C, and screw speed is 300-550rpm;
Two, the preparation of B material
The preparation of B material adopts the identical technique with A material to carry out granulation;
Second step: A expects to expect mixing granulation with B
Above-mentioned obtained A expected and B material equal proportion joins in parallel double-screw extruder and carries out melt blending and namely granulation obtains stuff and other stuff, extruder barrel temperature is 262-278 DEG C, and die head temperature is 275-290 DEG C, and screw speed is 300-550rpm;
3rd step: extrusion moulding
Adopt conical double screw extruder by the stuff and other stuff extrusion moulding of gained, obtain high-impact PVC/MBS/ACR tubing, extruder barrel temperature is 275-292 DEG C, and die head temperature is 283-305 DEG C;
4th step: aftertreatment
The high-impact PVC/MBS/ACR tubing of gained is cooled to 5-10 DEG C of sizings, then the tubing of sizing is cut by necessary requirement, finally the product of well cutting is packed, put into warehouse as ready.
The present invention has following beneficial effect:
The present invention, by optimizing further formula, makes the dispersion that can promote mineral filler in the course of processing of PVC, improves the mobility of PVC melt, tensile strength and elongation at break can also be promoted, change polyethylene products when using chlorinatedpolyethylene, good toughness, the shortcoming that hardness is low; In the present invention's formula after the compositions such as use impact modifier ACM, ACR resin, MBS resin, the cold-bending property of the tubing produced, impact resistance all increases.
Embodiment
Below in conjunction with embodiment, the present invention is described in further details.
Embodiment
The preparation method of high-impact PVC/MBS/ACR tubing comprises the following steps:
The preparation that the first step: A expects
Take off the raw material of row weight part: polyvinyl chloride SG-5 60, polyvinyl chloride reworked material 40, light calcium carbonate 30, chlorinatedpolyethylene 20, ABS high glue powder 15, dimethyl dimercapto 2-ethyl hexyl ethanoate tin 5,1,3-benzene disulfohydrazide 0.4, Di(dioctylpyrophosphato) ethylene titanate 0.5, oxidation inhibitor 900 0.5, UV light absorber UV-327 0.4, glyceryl stearate 0.5,2,4 dihydroxy benzophenone 0.2, modified coal ash 10
Wherein, modified coal ash is made up of following method: the flyash after calcination is successively placed in 25% sulfuric acid, 24% sodium hydroxide solution successively, stir 22h, the flyash then leached from soda acid immersion liquid, with deionized water rinsing to neutral, and determined with the test of PH test paper, finally filter, dry, then press flyash: ground dolomite: ground barium sulfate weight ratio 1:0.5:0.8 was by 1100 DEG C of roastings in three kinds of materials feeding fluidized-beds 1.5 hours, nanometer powder is ground to form after cooling
The starting material weighed up are dropped into high-speed stirring 15 min in high-speed mixer, temperature is 90 DEG C, after its moisture content fully evaporates, through cold mixer, material is down to 40 DEG C, above-mentioned compound is joined in parallel double-screw extruder carry out melt blending and granulation namely obtain A material, extruder barrel temperature is 248 DEG C, and die head temperature is 264 DEG C, and screw speed is 350rpm;
The preparation that second step: B expects
Take off the raw material of row weight part: polyvinyl chloride SG-5 60, MBS resin 20, ACR resin 30, bisphenol A polycarbonate 125, SBR 6, wood powder 8, N, vinegar 15, anilinomethyl triethoxysilane 0.5, two Lauryl Alcohol ester 0.3, irgasfos 168 0.5, polyethylene wax 0.5, Zinic stearas 5, TDE 0.2, modified aluminium alumina 8 in N-dinitrosopentamethlyene tetramine 4, poly-caproic acid
Described modified aluminium alumina is made up of following method: first use 20% salt acid soak bauxitic clay 2 hours, leaves standstill, and clarification is centrifugal, solid washed with water is to neutral, and after oven dry, it is even to add the aminopropyl triethoxysilane agitating being equivalent to solid weight 5%, dry, be ground into powder
The starting material weighed up are dropped into high-speed stirring 15 min in high-speed mixer, temperature is 90 DEG C, after its moisture content fully evaporates, through cold mixer, material is down to 40 DEG C, above-mentioned compound is joined in parallel double-screw extruder carry out melt blending and granulation namely obtain B material, extruder barrel temperature is 248 DEG C, and die head temperature is 264 DEG C, and screw speed is 350rpm;
3rd step: A expects to expect mixing granulation with B
Above-mentioned obtained A expected and B material equal proportion joins in parallel double-screw extruder and carries out melt blending and namely granulation obtains stuff and other stuff, extruder barrel temperature is 268 DEG C, and die head temperature is 286 DEG C, and screw speed is 400rpm;
4th step: extrusion moulding
Adopt conical double screw extruder by the stuff and other stuff extrusion moulding of gained, obtain high-impact PVC/MBS/ACR tubing, extruder barrel temperature is 282 DEG C, and die head temperature is 298 DEG C;
5th step: aftertreatment
The high-impact PVC/MBS/ACR tubing of gained is cooled to 5 DEG C of sizings, then the tubing of sizing is cut by necessary requirement, finally the product of well cutting is packed, put into warehouse as ready.
Contrast verification test result of the present invention is as following table:
| Sequence number | Test item and unit | QB/T2480 index | Common PVC tubing | Sample in this enforcement |
| 1 | Outward appearance | Inside and outside wall should be smooth, without surface imperfection such as depression and decomposition variable color lines | Inside and outside wall is smooth, without surface imperfection such as depression and decomposition variable color lines | Inside and outside wall is smooth, without surface imperfection such as depression and decomposition variable color lines |
| 2 | Tensile strength, Mpa | ≥43 | 45 | 59 |
| 3 | Elongation at break, % | ≥80 | 108 | 128 |
| 4 | Longitudinal welds, % | ≤3.5 | 3.0 | 1.8 |
| 5 | Vicat softening temperature, DEG C | ≥75 | 81 | 97 |
| 6 | Falling weight impact test (20 DEG C, 2kg, 2m), TIR | ≤10% | 6 | 0.8 |
As can be seen from the above table, compared with common PVC tubing, the tensile strength of the PVC/MBS/ACR tubing obtained by the present invention, elongation at break and shock resistance all increase, and meet QB/T2480 index, can be widely used in pipeline material required in building.
Claims (1)
1. a high-impact PVC/MBS/ACR tubing, is characterized in that, it is expected by A and B expects that equal proportion mixes extruding pelletization and is prepared from, and described A material, B material are obtained by the raw material extruding pelletization of following weight part respectively:
A expects:
Polyvinyl chloride SG-5 50-60, polyvinyl chloride reworked material 40-50, light calcium carbonate 20-30, chlorinatedpolyethylene 10-20, ABS high glue powder 10-15, dimethyl dimercapto 2-ethyl hexyl ethanoate tin 2-5,1,3-benzene disulfohydrazide 0.2-0.4, Di(dioctylpyrophosphato) ethylene titanate 0.3-0.5, oxidation inhibitor 900 0.4-0.6, UV light absorber UV-327 0.2-0.4, glyceryl stearate 0.3-0.5,2,4 dihydroxy benzophenone 0.1-0.2, modified coal ash 5-10
Described modified coal ash is made up of following method: the flyash after calcination is successively placed in 20-25% sulfuric acid, 16-24% sodium hydroxide solution successively, stir 20-22h, then the flyash leached from soda acid immersion liquid, with deionized water rinsing to neutral, and determined with the test of PH test paper, finally filter, dry, then flyash is pressed: ground dolomite: three kinds of materials are sent into 1050-1100 DEG C of roasting 1-1.5 hour in fluidized-bed by ground barium sulfate weight ratio 1:0.3-0.5:0.5-0.8, grind to form nanometer powder after cooling;
B expects:
Polyvinyl chloride SG-5 50-60, MBS resin 20-30, ACR resin 20-30, bisphenol A polycarbonate 10-15, SBR 4-8, wood powder 5-10, N, vinegar 10-20, anilinomethyl triethoxysilane 0.3-0.5, two Lauryl Alcohol ester 0.1-0.3, irgasfos 168 0.2-0.5, polyethylene wax 0.3-0.5, Zinic stearas 2-5, TDE 0.1-0.3, modified aluminium alumina 5-10 in N-dinitrosopentamethlyene tetramine 2-5, poly-caproic acid
Described modified aluminium alumina is made up of following method: first use 15-20% salt acid soak bauxitic clay 1-2 hour, leaves standstill, clarification, centrifugal, solid washed with water is extremely neutral, after oven dry, add the aminopropyl triethoxysilane agitating being equivalent to solid weight 3-5% even, dry, be ground into powder;
The preparation method of described high-impact PVC/MBS/ACR tubing, comprises the following steps:
The first step: prepare A material, B material respectively
The preparation of A material
(1) take each formula material by formula rate, the starting material weighed up are dropped into high-speed stirring 10-15 min in high-speed mixer, and temperature is 80-90 DEG C, after its moisture content fully evaporates, through cold mixer, material is down to 40-50 DEG C;
(2) above-mentioned compound is joined in parallel double-screw extruder carry out melt blending and granulation namely obtain A material, extruder barrel temperature is 245-255 DEG C, and die head temperature is 255-270 DEG C, and screw speed is 300-550rpm;
Two, the preparation of B material
The preparation of B material adopts the identical technique with A material to carry out granulation;
Second step: A expects to expect mixing granulation with B
Above-mentioned obtained A expected and B material equal proportion joins in parallel double-screw extruder and carries out melt blending and namely granulation obtains stuff and other stuff, extruder barrel temperature is 262-278 DEG C, and die head temperature is 275-290 DEG C, and screw speed is 300-550rpm;
3rd step: extrusion moulding
Adopt conical double screw extruder by the stuff and other stuff extrusion moulding of gained, obtain high-impact PVC/MBS/ACR tubing, extruder barrel temperature is 275-292 DEG C, and die head temperature is 283-305 DEG C;
4th step: aftertreatment
The high-impact PVC/MBS/ACR tubing of gained is cooled to 5-10 DEG C of sizings, then the tubing of sizing is cut by necessary requirement, finally the product of well cutting is packed, put into warehouse as ready.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210357262.4A CN102911455B (en) | 2012-09-24 | 2012-09-24 | PVC/MBS/ACR (Polyvinyl chloride/methyl methacrylate butadiene styrene copolymer/methyl methacrylate-acrylate copolymer) tubing with high impact resistance and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210357262.4A CN102911455B (en) | 2012-09-24 | 2012-09-24 | PVC/MBS/ACR (Polyvinyl chloride/methyl methacrylate butadiene styrene copolymer/methyl methacrylate-acrylate copolymer) tubing with high impact resistance and preparation method thereof |
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| Publication Number | Publication Date |
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| CN102911455A CN102911455A (en) | 2013-02-06 |
| CN102911455B true CN102911455B (en) | 2015-04-15 |
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| CN104130449A (en) * | 2014-06-26 | 2014-11-05 | 合肥和安机械制造有限公司 | Filler specialized for high-strength and durable high-pressure rubber hose, and preparation method thereof |
| CN104130474A (en) * | 2014-06-26 | 2014-11-05 | 合肥和安机械制造有限公司 | Filler specialized for fire-resistant high-pressure rubber hose, and preparation method thereof |
| CN104130448A (en) * | 2014-06-26 | 2014-11-05 | 合肥和安机械制造有限公司 | Filler specialized for heat-resistant and wear-resistant high-pressure rubber hose, and preparation method thereof |
| CN104119581A (en) * | 2014-06-26 | 2014-10-29 | 合肥和安机械制造有限公司 | Special filler for cold-resistant ultraviolet-resistant high-pressure rubber tubes and preparation method thereof |
| CN104119580A (en) * | 2014-06-26 | 2014-10-29 | 合肥和安机械制造有限公司 | Light-resistant weather-resistant filler for high-pressure rubber tube and preparation method thereof |
| CN106519489A (en) * | 2016-10-28 | 2017-03-22 | 无锡市永兴金属软管有限公司 | Telescopic pipe for automobile and preparation method of telescopic pipe |
| CN106633759A (en) * | 2016-10-28 | 2017-05-10 | 祖兴保 | Compound environment-friendly stabilizer with butyl epoxy stearate for PVC (Polyvinyl Chloride) and preparation method of compound environment-friendly stabilizer |
| CN107163453A (en) * | 2017-07-20 | 2017-09-15 | 合肥安力电力工程有限公司 | A kind of PVC and preparation method thereof |
| CN107988709B (en) * | 2017-12-12 | 2021-06-08 | 马鞍山市鑫程纳米新材料科技有限公司 | Processing method for improving toughness of non-woven fabric |
| CN112358697A (en) * | 2020-11-12 | 2021-02-12 | 无锡市秦金烨塑胶材料科技有限公司 | PVC toughening agent |
| CN115232415A (en) * | 2022-07-28 | 2022-10-25 | 苏州国宇碳纤维科技有限公司 | HPVC modified material for protective tube and preparation method of HPVC cable protective tube |
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| CN1210345C (en) * | 2003-03-18 | 2005-07-13 | 四川大学 | Polyvinyl chloride reinforcing and tougheness improving modifier and preparation and application thereof |
| CN1272377C (en) * | 2004-11-15 | 2006-08-30 | 四川大学 | Polyvinyl chloride plasticizing enhanced agglomerate and its preparation method and use |
| CN100556952C (en) * | 2006-11-27 | 2009-11-04 | 天津德昊超微新材料有限公司 | The PVC/ micro-nano composite powder and its preparation method |
| CN101693778B (en) * | 2009-10-13 | 2012-02-08 | 广东联塑科技实业有限公司 | PVC/ABS blend and pipe thereof |
| CN102134360B (en) * | 2011-05-10 | 2012-06-06 | 上海远洲管业有限公司 | Preparation method of super-strong high temperature-resistant chlorinated polyvinyl chloride tubes |
| CN102766302A (en) * | 2012-08-13 | 2012-11-07 | 青岛海洋鲨科技有限公司 | Formula for plastic pipe acrylonitrile butadiene styrene (ABS) modified hard chlorinated polyvinyl chloride and pipe preparation method |
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