CN103059456B - A kind of containing attapulgite modified pvc tubing and preparation method thereof - Google Patents
A kind of containing attapulgite modified pvc tubing and preparation method thereof Download PDFInfo
- Publication number
- CN103059456B CN103059456B CN201210534410.5A CN201210534410A CN103059456B CN 103059456 B CN103059456 B CN 103059456B CN 201210534410 A CN201210534410 A CN 201210534410A CN 103059456 B CN103059456 B CN 103059456B
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- Prior art keywords
- attapulgite modified
- pvc tubing
- preparation
- attapulgite
- stuff
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Classifications
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a kind of containing attapulgite modified pvc tubing and preparation method thereof, the weight part of its constitutive material is: SG-7 type polyvinyl chloride resin 65-70, high density polyethylene(HDPE) 40-45, poly-4-methyl-1-pentene 1-3, MBS terpolymer 2-4, alkylphenol polyoxyethylene 1.3-1.8, attapulgite modified 2-3, light calcium carbonate 25-30, dimethyl dimercapto 2-ethyl hexyl ethanoate tin 1-1.5, diisobutyl phthalate 1.3-1.8, Vanay 0.9-1.1, zinc sulphide 1-2 and Union carbide A-162 0.4-0.6, the present invention, by optimizing further formula, with the addition of attapulgite modified composition, makes the dispersion that can promote mineral filler in the course of processing of pvc tubing in formula, improve the mobility of pvc melt, tensile strength and elongation at break can also be promoted, good toughness, the shortcoming that hardness is low, and preparation method is simple, can effectively be applied in all trades and professions.
Description
Technical field
The present invention relates to pvc tubing production field, particularly relate to a kind of containing attapulgite modified pvc tubing and preparation method thereof.
Background technology
The major ingredient of pvc tubing is polyvinyl chloride, add softening agent in addition, the auxiliary materials such as antiaging agent increase its thermotolerance, toughness, ductility etc., pvc is liked by the world today deeply, the rather popular and a kind of synthetic materials be also widely used, PVC is a kind of tubing of maturation, be mainly used in water supply and sewage work, pvc tubing has acidproof, alkaline-resisting, erosion resistance, intensity advantages of higher, but, at present large step point production manufacturer production pvc tubing 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 for the deficiencies in the prior art, provide a kind of containing attapulgite modified pvc tubing and preparation method thereof.
For achieving the above object, the present invention adopts following technical scheme:
Containing attapulgite modified pvc tubing, the weight part of its constitutive material is: SG-7 type polyvinyl chloride resin 65-70, high density polyethylene(HDPE) 40-45, poly-4-methyl-1-pentene 1-3, MBS terpolymer 2-4, alkylphenol polyoxyethylene 1.3-1.8, attapulgite modified 2-3, light calcium carbonate 25-30, dimethyl dimercapto 2-ethyl hexyl ethanoate tin 1-1.5, diisobutyl phthalate 1.3-1.8, Vanay 0.9-1.1, zinc sulphide 1-2 and Union carbide A-162 0.4-0.6.
Containing attapulgite modified pvc tubing, the weight part of its constitutive material is: SG-7 type polyvinyl chloride resin 68, high density polyethylene(HDPE) 42, poly-4-methyl-1-pentene 2, MBS terpolymer 3, alkylphenol polyoxyethylene 1.5, attapulgite modified 2.5, light calcium carbonate 28, dimethyl dimercapto 2-ethyl hexyl ethanoate tin 1.2, diisobutyl phthalate 1.5, Vanay 1, zinc sulphide 1.5 and Union carbide A-162 0.5.
Preparation method containing attapulgite modified pvc tubing, comprises the following steps:
(1) each raw material is taken by the weight part of constitutive material, mix in pot in heat and add SG-7 type polyvinyl chloride resin and high density polyethylene(HDPE), heating 2-3 minute, then poly-4-methyl-1-pentene, MBS terpolymer, alkylphenol polyoxyethylene, attapulgite modified, light calcium carbonate, dimethyl dimercapto 2-ethyl hexyl ethanoate tin, diisobutyl phthalate, Vanay, zinc sulphide and Union carbide A-162 is added successively, batch mixing 5-7 minute;
(2) then join in parallel double-screw extruder and carry out melt blending and namely granulation obtains stuff and other stuff, extruder barrel temperature is 185-205 DEG C, and die head temperature is 190-210 DEG C, and screw speed is 450-550rpm;
(3) adopt conical double screw extruder by shaping for the stuff and other stuff extruding pipe material of gained, obtain containing attapulgite modified pvc tubing, extruder barrel temperature is 180-190 DEG C, and die head temperature is 185-210 DEG C.
Described contains attapulgite modified pvc tubing, it is characterized in that: described attapulgite modified preparation method is: after the sodium hydroxide solution of attapulgite 10-15% is soaked 2-3 hour; 2-3 hour is soaked again with 10-15% hydrochloric acid soln; Then deionized water wash repeatedly, is neutral, dries to attapulgite; Add the aluminium hydroxide, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester of 5-8%, the tripoly phosphate sodium STPP of 1-2%, the iron ore tailings of 3-4% that are equivalent to its weight 5-8%, mix, at 60-70 DEG C, 3500-4000 rev/min is stirred 30-50 minute, mixing, oven dry; Finally be ground to 0.8-1.2 μm of powder, obtain attapulgite modified.
Advantage of the present invention:
The present invention, by optimizing further formula, with the addition of attapulgite modified composition, makes the dispersion that can promote mineral filler in the course of processing of pvc tubing in formula, improve the mobility of pvc melt, tensile strength and elongation at break can also be promoted, good toughness, the shortcoming that hardness is low; And preparation method is simple, can effectively be applied in all trades and professions.
Embodiment
Below in conjunction with embodiment, the present invention is described in further details.
Embodiment 1: containing attapulgite modified pvc tubing, the weight part (kilogram) of its constitutive material is: SG-7 type polyvinyl chloride resin 68, high density polyethylene(HDPE) 42, poly-4-methyl-1-pentene 2, MBS terpolymer 3, alkylphenol polyoxyethylene 1.5, attapulgite modified 2.5, light calcium carbonate 28, dimethyl dimercapto 2-ethyl hexyl ethanoate tin 1.2, diisobutyl phthalate 1.5, Vanay 1, zinc sulphide 1.5 and Union carbide A-162 0.5.
Preparation method containing attapulgite modified pvc tubing, comprises the following steps:
(1) each raw material is taken by the weight of constitutive material, mix in pot in heat and add SG-7 type polyvinyl chloride resin and high density polyethylene(HDPE), heating 2-3 minute, then poly-4-methyl-1-pentene, MBS terpolymer, alkylphenol polyoxyethylene, attapulgite modified, light calcium carbonate, dimethyl dimercapto 2-ethyl hexyl ethanoate tin, diisobutyl phthalate, Vanay, zinc sulphide and Union carbide A-162 is added successively, batch mixing 5-7 minute;
(2) then join in parallel double-screw extruder and carry out melt blending and namely granulation obtains stuff and other stuff, extruder barrel temperature is 185-205 DEG C, and die head temperature is 190-210 DEG C, and screw speed is 450-550rpm;
(3) adopt conical double screw extruder by shaping for the stuff and other stuff extruding pipe material of gained, obtain containing attapulgite modified pvc tubing, extruder barrel temperature is 180-190 DEG C, and die head temperature is 185-210 DEG C.
Attapulgite modified preparation method is: by attapulgite with 15% sodium hydroxide solution soak after 2-3 hour; 2-3 hour is soaked again with 15% hydrochloric acid soln; Then deionized water wash repeatedly, is neutral, dries to attapulgite; Add be equivalent to its weight 5% aluminium hydroxide, 8% sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester, the tripoly phosphate sodium STPP of 2%, the iron ore tailings of 3%, mix, at 60-70 DEG C, 3500-4000 rev/min is stirred 30-50 minute, mixing, oven dry; Finally be ground to 0.8-1.2 μm of powder, obtain attapulgite modified.
The contrast verification test result of the pvc tubing that above-described embodiment obtains 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 | 43 | 58 |
| 3 | Elongation at break, % | ≥80 | 105 | 118 |
| 4 | Longitudinal welds, % | ≤3.5 | 3.1 | 1.3 |
| 5 | Vicat softening temperature, DEG C | ≥75 | 83 | 95 |
| 6 | Falling weight impact test (20 DEG C, 2kg, 2m), TIR | ≤10% | 5.5 | 1.7 |
Claims (3)
1., containing an attapulgite modified pvc tubing, it is characterized in that the weight part of its constitutive material is: SG-7 type polyvinyl chloride resin 65-70, high density polyethylene(HDPE) 40-45, poly-4-methyl-1-pentene 1-3, MBS terpolymer 2-4, alkylphenol polyoxyethylene 1.3-1.8, attapulgite modified 2-3, light calcium carbonate 25-30, dimethyl dimercapto 2-ethyl hexyl ethanoate tin 1-1.5, diisobutyl phthalate 1.3-1.8, Vanay 0.9-1.1, zinc sulphide 1-2 and Union carbide A-162 0.4-0.6;
Described attapulgite modified preparation method is: after the sodium hydroxide solution of attapulgite 10-15% is soaked 2-3 hour; 2-3 hour is soaked again with 10-15% hydrochloric acid soln; Then deionized water wash repeatedly, is neutral, dries to attapulgite; Add the aluminium hydroxide, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester of 5-8%, the tripoly phosphate sodium STPP of 1-2%, the iron ore tailings of 3-4% that are equivalent to its weight 5-8%, mix, at 60-70 DEG C, 3500-4000 rev/min is stirred 30-50 minute, mixing, oven dry; Finally be ground to 0.8-1.2 μm of powder, obtain attapulgite modified.
2. according to claim 1 containing attapulgite modified pvc tubing, it is characterized in that the weight part of its constitutive material is: SG-7 type polyvinyl chloride resin 68, high density polyethylene(HDPE) 42, poly-4-methyl-1-pentene 2, MBS terpolymer 3, alkylphenol polyoxyethylene 1.5, attapulgite modified 2.5, light calcium carbonate 28, dimethyl dimercapto 2-ethyl hexyl ethanoate tin 1.2, diisobutyl phthalate 1.5, Vanay 1, zinc sulphide 1.5 and Union carbide A-162 0.5.
3. the preparation method containing attapulgite modified pvc tubing as claimed in claim 1, is characterized in that comprising the following steps:
(1) each raw material is taken by the weight part of constitutive material, mix in pot in heat and add SG-7 type polyvinyl chloride resin and high density polyethylene(HDPE), heating 2-3 minute, then poly-4-methyl-1-pentene, MBS terpolymer, alkylphenol polyoxyethylene, attapulgite modified, light calcium carbonate, dimethyl dimercapto 2-ethyl hexyl ethanoate tin, diisobutyl phthalate, Vanay, zinc sulphide and Union carbide A-162 is added successively, batch mixing 5-7 minute;
(2) then join in parallel double-screw extruder and carry out melt blending and namely granulation obtains stuff and other stuff, extruder barrel temperature is 185-205 DEG C, and die head temperature is 190-210 DEG C, and screw speed is 450-550rpm;
(3) adopt conical double screw extruder by shaping for the stuff and other stuff extruding pipe material of gained, obtain containing attapulgite modified pvc tubing, extruder barrel temperature is 180-190 DEG C, and die head temperature is 185-210 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210534410.5A CN103059456B (en) | 2012-12-12 | 2012-12-12 | A kind of containing attapulgite modified pvc tubing and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210534410.5A CN103059456B (en) | 2012-12-12 | 2012-12-12 | A kind of containing attapulgite modified pvc tubing and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN103059456A CN103059456A (en) | 2013-04-24 |
| CN103059456B true CN103059456B (en) | 2016-04-06 |
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| CN201210534410.5A Expired - Fee Related CN103059456B (en) | 2012-12-12 | 2012-12-12 | A kind of containing attapulgite modified pvc tubing and preparation method thereof |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103351551A (en) * | 2013-06-19 | 2013-10-16 | 安徽电缆股份有限公司 | Environmental-friendly and cold-resistant polyvinyl chloride cable material and preparation method thereof |
| CN103435886B (en) * | 2013-08-14 | 2015-11-25 | 吴江市英力达塑料包装有限公司 | A kind of fire-retardant volatile rust prevention PE Foam and preparation method thereof |
| CN103571088B (en) * | 2013-09-30 | 2016-03-23 | 芜湖航天特种电缆厂 | A kind of environment-friendly cold and corrosion resistant silane cross-linked flexible polyvinyl chloride cable material |
| CN103509229B (en) * | 2013-10-12 | 2016-04-13 | 绿宝电缆（集团）有限公司 | A kind of photovoltaic cable irradiation crosslinking type low-smoke halogen-free flame-retardant polyolefin CABLE MATERIALS |
| CN103554807B (en) * | 2013-10-12 | 2016-03-02 | 绿宝电缆（集团）有限公司 | A kind of wear-resistant cable material of nano modification |
| CN104194197A (en) * | 2014-07-29 | 2014-12-10 | 安徽九子山塑业有限公司 | Special packing for PVC tube with high wearing resistance and thermal stability and preparation method of special packing |
| CN104292686A (en) * | 2014-09-04 | 2015-01-21 | 六安市顺达塑业有限公司 | Wear-resistant PVC pipe and preparation method thereof |
| CN104610682B (en) * | 2015-01-08 | 2016-10-26 | 江苏黄金龙风筒科技有限公司 | A kind of composite PVC water band and preparation method thereof |
| CN106188438A (en) * | 2016-07-14 | 2016-12-07 | 四川美亚达光电科技有限公司 | A kind of PVC communication tubing and preparation method thereof |
| CN106891108B (en) * | 2017-03-23 | 2019-09-10 | 中科院广州能源所盱眙凹土研发中心 | Low-grade attapulgite welding rod and preparation method thereof |
| CN108440866A (en) * | 2018-03-23 | 2018-08-24 | 长沙天卓塑胶有限公司 | A kind of preparation method of plastic tube |
| CN112111126A (en) * | 2020-09-30 | 2020-12-22 | 张小伟 | High-toughness PVC (polyvinyl chloride) pipe |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102372879A (en) * | 2010-08-06 | 2012-03-14 | 苏州富通电器塑业有限公司 | Chlorinated poly ethylene (CPE) modified polyvinyl chloride (PVC) plastic floor |
| CN102382396B (en) * | 2011-09-29 | 2013-07-17 | 芜湖海杉型材有限公司 | Novel plastic pipe and preparation method thereof |
| CN102382400A (en) * | 2011-10-17 | 2012-03-21 | 常熟市威腾进出口有限公司 | Flame retardant polyvinyl chloride composition and preparation method |
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Denomination of invention: Polyvinyl chloride tube containing modified attapulgite and preparing method thereof Effective date of registration: 20180206 Granted publication date: 20160406 Pledgee: BOC Fullerton to Ann Village Bank Limited Branch River Branch Pledgor: An Huihai Na Chuan Su Ye Science and Technology Ltd. Registration number: 2018340000041 |
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