CN103524972A - Weather-resistant colored composite PVC (Polyvinyl Chloride) pipe - Google Patents

Weather-resistant colored composite PVC (Polyvinyl Chloride) pipe Download PDF

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Publication number
CN103524972A
CN103524972A CN201310488814.XA CN201310488814A CN103524972A CN 103524972 A CN103524972 A CN 103524972A CN 201310488814 A CN201310488814 A CN 201310488814A CN 103524972 A CN103524972 A CN 103524972A
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China
Prior art keywords
pvc pipe
layer
composite pvc
weather resisting
weather
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CN201310488814.XA
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Chinese (zh)
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CN103524972B (en
Inventor
姜通均
李贤梅
付志敏
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GOODY TECHNOLOGY Co Ltd
GUDI PLASTIC ELECTRIC APPLIANCE CO Ltd CHONGQING
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GOODY TECHNOLOGY Co Ltd
GUDI PLASTIC ELECTRIC APPLIANCE CO Ltd CHONGQING
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Priority to CN201310488814.XA priority Critical patent/CN103524972B/en
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Abstract

The invention provides a weather-resistant colored composite PVC (Polyvinyl Chloride) pipe. The weather-resistant colored composite PVC pipe comprises an outer layer 3 and a core layer 2 which are subjected to co-extrusion, wherein the core layer 2 is a PVC layer; the outer layer 3 is a modified ASA (Acrylonitrile Styrene Acrylate) resin layer which is made from acrylonitrile, styrene and acrylate grafted copolymer, stearic acid, a fatty acid ester lubricating agent, calcium stearate, pigment, an antioxidant, an ultraviolet-resistant absorbing agent, an outer lubricating agent, a filling agent and a plastic modifying agent; the PVC pipe is made from polyvinyl chloride resin, a calcium-zinc stabilizing agent, modified barium sulfate, ACR (Acrylicester) resin, chlorinated polyethylene, stearic acid, polyethylene wax and a fatty acid ester lubricating agent and the like. The composite PVC pipe provided by the invention has the advantages that the weather resistance is excellent, the color is diversified and the sound-insulating effect is good.

Description

Weather resisting colorful composite PVC pipe
Technical field
The present invention relates to a kind of pvc pipe, particularly a kind of have weather resistance excellence, a colored various composite PVC pipe.
Background technology
Pvc pipe is a kind of traditional tubing, is mainly used in city rainwater drainage, the discharge of indoor sanitary sewage.ASA resin, the ternary graft copolymer being formed by vinyl cyanide, vinylbenzene and acrylate.Its mechanical property, processing characteristics, electrical insulating property, chemical resistance are similar to ABS.But owing to introducing not double bond containing acrylic elastomer, ASA weathering resistance has had essential improvement, even if be exposed to for a long time outdoor ultraviolet ray, humidity, drench with rain, under illumination and ozone condition, also can keep physical property stable without application.
Traditional pvc pipe material is white, variable color easily occurs under uviolizing aging, affects tubing work-ing life.In China's High Altitude in West China area, ultraviolet content is high, urgent to the demand of anti-ultraviolet weather-proof tubing.For solving common PVC pipe poor problem of weathering resistance under ultraviolet ray, some producers have adopted the method for the weather-proof titanium dioxide of a large amount of interpolations, although the weathering resistance that this method can Reinforced PVC pipe, but titanium dioxide is expensive, a large amount of uses certainly will increase production cost, in addition, adding in a large number tubing after titanium dioxide is white, cannot meet user's diversified demand.
Summary of the invention
In view of this, a kind of weather resistance excellence, the various composite PVC pipe of color of providing of the present invention.
The invention discloses a kind of weather resisting colorful pvc pipe, comprise skin and sandwich layer through coextru-lamination, described sandwich layer is PVC layer, and described skin is modified ASA resin layer, and described modified ASA resin is composed of the following components by weight:
Further, described external lubricant is polyethylene wax, paraffin, synthetic wax or Microcrystalline Wax.
Further, described plastic modifier is ACR resin, MBS resin, chlorinatedpolyethylene or acrylic elastomer.
Further, described weighting agent is superfine light calcium carbonate, Namigai, ultrafine heavy calcium or polynite.
The skin of composite PVC pipe of the present invention adopts ASA material modified, and this modified ASA material makes multiple-unit tube have weathering resistance and multicolour.
As a kind of improvement of this programme, described sandwich layer is modified PVC layer, and described modified PVC is composed of the following components by weight:
Further, described modified barium sulphate is composed of the following components by mass:
Barium sulfate 90-100 part;
Coupling agent 0.5-2.0 part;
Stearic acid 0.3-2.0 part.
Further, described coupling agent is metatitanic acid fat, Aluminate, boric acid fat or organosilane.
Composite PVC pipe of the present invention has added modified barium sulphate in sandwich layer, makes composite PVC pipe have good soundproof effect, and the modified barium sulphate that the present invention adds is in addition with low cost, is conducive to cost-saving.
Another kind as this programme improves, and described fatty acid ester lubricant is saturated fatty alcohol dicarboxylic acid fat.
As the improvement of above scheme, in described sandwich layer, also have internal layer, described internal layer is identical with outer field composition, described internal layer, sandwich layer and outer through coextru-lamination.
In composite PVC die layer of the present invention, internal layer is set, can increases pipe material inner wall smooth finish, reduce frictional coefficient, make current more unobstructed.
As the improvement of above scheme, the thickness >=1.6mm of described sandwich layer, described outer field thickness≤0.2mm
Composite PVC pipe of the present invention, by reasonably selecting sandwich layer and outer field size, makes the mute function of modified PVC pipe better mate with outer weather resisting colorful function.
Accompanying drawing explanation
Fig. 1 is weather resisting colorful composite PVC pipe cross sectional representation of the present invention, and in figure, 1 is ASA modification internal layer, and 2 is PVC sound insulation sandwich layer, and 3 is that ASA modification is outer.
Embodiment
By embodiment, the present invention will be further described below, and Fig. 1 is weather resisting colorful composite PVC pipe cross sectional representation of the present invention, and the composite PVC pipe in figure is divided into three layers, and wherein 1 is ASA modification internal layer, and 2 is PVC sound insulation sandwich layer, and 3 is that ASA modification is outer.Certainly, according to actual needs, weather resisting colorful composite PVC pipe of the present invention also can only include PVC sound insulation sandwich layer 2 and ASA modification skin 3.The prepared tubing of following examples includes ASA modification internal layer 1, PVC sound insulation sandwich layer 2 cores and ASA modification skin 3, and its specification is dn110x3.2mm, and dn is tubing nominal outside diameter size, and the following stated umber is weight part.
Embodiment 1
The present embodiment is prepared the method for weather resisting colorful composite PVC pipe, comprise the following steps: 1, modified barium sulphate preparation: the barium sulfate powder of first choosing 100 parts of particle diameter≤3.0 μ m, then by selected powder in mixing machine special premix to 80-85 ℃, then in premix powder, add 1 part of coupling agent (titanic acid ester TC-130), 1 part of stearic acid (HST) height mix 110-120 ℃, last cold mix to temperature during lower than 50 ℃ blowing obtain modified barium sulphate; 2, PVC sandwich layer and the granulation of ASA ectonexine batch mixing: according to modified barium sulphate in table 1(table 1, by step 1, made respectively) and table 2 choose the starting material of PVC sandwich layer and ASA ectonexine, then selected starting material are distinguished to batch mixing granulation; 3, coextru-lamination: by main frame and co-extrusion subsidiary engine co-extrusion PVC sandwich layer and ASA ectonexine, through sizing, coolingly make composite PVC pipe of the present invention.
Table 1 embodiment 1 sandwich layer formula for raw stock
Starting material Weight part
(sky, Yibin is former for polyvinyl chloride (PVC) RESINS; The trade mark is SG-5) 100
Calcium zinc stabilizer (Jinchang, Hangzhou tree; The trade mark is JCS-208A) 4.0
Modified barium sulphate 50
Superfine light calcium carbonate 15
ACR resin (trade mark is 401) 3.0
Chlorinatedpolyethylene 8.0
Stearic acid (HST) 0.6
Polyethylene wax (Thailand; The trade mark is 1080) 1.0
(bright woods receives fatty acid ester lubricant in Guangdong; The trade mark is W-60) 2.0
Pigment (titanium dioxide) 0.2
Table 2 embodiment 1 ectonexine formula for raw stock
Starting material Weight part
Vinyl cyanide, vinylbenzene and acrylate graft copolymers 100
Stearic acid (HST) 0.5
(bright woods receives fatty acid ester lubricant in Guangdong; The trade mark is W-60) 0.2
Calcium stearate (CaST) 1.0
Permanent violet (Zhejiang lily, the trade mark is HB-256P) 0.05
Titanium dioxide (climb steel, the trade mark is R-248) 2.0
Oxidation inhibitor (Suqian is uncommon agree, and the trade mark is 3114) 0.2
Ultraviolet-resistant absorbent (Beijing addition, the trade mark is UV-9) 0.15
External lubricant (trade mark is H1N6 for synthetic wax, South Africa SASOL) 0.2
Plastic modifier (ACM resin) 3.0
Superfine light calcium carbonate 5.0
Embodiment 2
The present embodiment is prepared the method for weather resisting colorful composite PVC pipe, comprise the following steps: 1, modified barium sulphate preparation: the barium sulfate powder of first choosing 100 parts of particle diameter≤3.0 μ m, then by selected powder in mixing machine special premix to 80-85 ℃, then in premix powder, add 1 part of coupling agent (titanic acid ester TC-130), 1 part of stearic acid (HST) height mix 110-120 ℃, last cold mix to temperature during lower than 50 ℃ blowing obtain modified barium sulphate; 2, PVC sandwich layer and the granulation of ASA ectonexine batch mixing: according to modified barium sulphate in table 3(table 3, by step 1, made respectively) and table 4 choose the starting material of PVC sandwich layer and ASA ectonexine, then selected starting material are distinguished to batch mixing granulation; 3, coextru-lamination: by main frame and co-extrusion subsidiary engine co-extrusion PVC sandwich layer and ASA ectonexine, through sizing, coolingly make composite PVC pipe of the present invention.
Table 3 embodiment 2 sandwich layer formula for raw stock
Starting material Weight part
(sky, Yibin is former for polyvinyl chloride (PVC) RESINS; The trade mark is SG-5) 100
Calcium zinc stabilizer (Jinchang, Hangzhou tree; The trade mark is JCS-208A) 4.5
Modified barium sulphate 75
Superfine light calcium carbonate 15
ACR resin (trade mark is 401) 3.0
Chlorinatedpolyethylene 10.0
Stearic acid (HST) 0.7
Polyethylene wax (Thailand; The trade mark is 1080) 1.1
(bright woods receives fatty acid ester lubricant in Guangdong; The trade mark is W-60) 2.0
Pigment (titanium dioxide) 0.2
Table 4 embodiment 2 ectonexine formula for raw stock
Starting material Weight part
Vinyl cyanide, vinylbenzene and acrylate graft copolymers 100
Stearic acid (HST) 0.5
(bright woods receives fatty acid ester lubricant in Guangdong; The trade mark is W-60) 0.2
Calcium stearate (CaST) 1.0
Permanent violet (Zhejiang lily, the trade mark is HB-256P) 0.05
Titanium dioxide (climb steel, the trade mark is R-248) 2.0
Oxidation inhibitor (Suqian is uncommon agree, and the trade mark is 3114) 0.2
Ultraviolet-resistant absorbent (Beijing addition, the trade mark is UV-9) 0.15
External lubricant (trade mark is H1N6 for synthetic wax, South Africa SASOL) 0.2
Plastic modifier (ACM resin) 3.0
Superfine light calcium carbonate 5.0
Embodiment 3
The present embodiment is prepared the method for weather resisting colorful composite PVC pipe, comprise the following steps: 1, modified barium sulphate preparation: the barium sulfate powder of first choosing 100 parts of particle diameter≤3.0 μ m, then by selected powder in mixing machine special premix to 80-85 ℃, then in premix powder, add 1 part of coupling agent (titanic acid ester TC-130), 1 part of stearic acid (HST) height mix 110-120 ℃, last cold mix to temperature during lower than 50 ℃ blowing obtain modified barium sulphate; 2, PVC sandwich layer and the granulation of ASA ectonexine batch mixing: according to modified barium sulphate in table 5(table 5, by step 1, made respectively) and table 6 choose the starting material of PVC sandwich layer and ASA ectonexine, then selected starting material are distinguished to batch mixing granulation; 3, coextru-lamination: by main frame and co-extrusion subsidiary engine co-extrusion PVC sandwich layer and ASA ectonexine, through sizing, coolingly make composite PVC pipe of the present invention.
Table 5 embodiment 3 sandwich layer formula for raw stock
Starting material Weight part
(sky, Yibin is former for polyvinyl chloride (PVC) RESINS; The trade mark is SG-5) 100
Calcium zinc stabilizer (Jinchang, Hangzhou tree; The trade mark is JCS-208A) 5.0
Modified barium sulphate 100
Superfine light calcium carbonate 15
ACR resin (trade mark is 401) 4.0
Chlorinatedpolyethylene 12.0
Stearic acid (HST) 0.8
Polyethylene wax (Thailand; The trade mark is 1080) 1.2
(bright woods receives fatty acid ester lubricant in Guangdong; The trade mark is W-60) 2.0
Pigment (titanium dioxide) 0.2
Table 6 embodiment 3 ectonexine formula for raw stock
Starting material Weight part
Vinyl cyanide, vinylbenzene and acrylate graft copolymers 100
Stearic acid (HST) 0.5
(bright woods receives fatty acid ester lubricant in Guangdong; The trade mark is W-60) 0.2
Calcium stearate (CaST) 1.0
Permanent violet (Zhejiang lily, the trade mark is HB-256P) 0.05
Titanium dioxide (climb steel, the trade mark is R-248) 2.0
Oxidation inhibitor (Suqian is uncommon agree, and the trade mark is 3114) 0.2
Ultraviolet-resistant absorbent (Beijing addition, the trade mark is UV-9) 0.15
External lubricant (trade mark is H1N6 for synthetic wax, South Africa SASOL) 0.2
Plastic modifier (ACM resin) 3.0
Superfine light calcium carbonate 5.0
The composite drainage pipe of choosing normal discharge pipe and embodiment of the present invention 1-3 below carries out performance comparison analysis, and table 7 is embodiment of the present invention composite pipe and normal discharge pipe performance comparison table.
Table 7 composite drainage pipe of the present invention and normal discharge pipe performance comparison
From table 7 to find out: the composite PVC pipe of the embodiment of the present invention 1~3 is compared with normal discharge pipe, aging shock-resistant ability significantly improves, and aging rear surface colour-change is little, keeps the ability of color strong, after noise reduction, noise surplus obviously reduces, and other indices and normal discharge pipe are more or less the same.From table, embodiment 1~3 can find out, along with the increase of barium sulfate consumption, the static noise reduction of tubing improves, and aging shock resistance ability is basic identical.
It should be noted that, above embodiment is only for illustrating that the present invention is and unrestricted, and those of ordinary skills can suitably adjust each layer component of composite PVC pipe and ratio thereof.For example: change the titanic acid ester in modified barium sulphate into Aluminate, boric acid fat or organosilane; Saturated fatty alcohol dicarboxylic acid fat in ASA ectonexine or sandwich layer is changed into the fatty acid ester lubricant of other kinds; Change the polyethylene wax external lubricant of ASA ectonexine into paraffin; Change the ACM plastic modifier of ASA ectonexine into MBS resin, chlorinatedpolyethylene or acrylic elastomer.This change is apparent to those skilled in the art, still belongs to protection scope of the present invention.

Claims (10)

1. a weather resisting colorful composite PVC pipe, comprise skin (3) and sandwich layer (2) through coextru-lamination, it is characterized in that: described sandwich layer (2) is PVC layer, and described skin (3) is modified ASA resin layer, and described modified ASA resin is composed of the following components by weight:
2. weather resisting colorful composite PVC pipe as claimed in claim 1, is characterized in that: described external lubricant is polyethylene wax, paraffin, synthetic wax or Microcrystalline Wax.
3. weather resisting colorful composite PVC pipe as claimed in claim 1, is characterized in that: described plastic modifier is ACR resin, MBS resin, chlorinatedpolyethylene or acrylic elastomer.
4. weather resisting colorful composite PVC pipe as claimed in claim 1, is characterized in that: described weighting agent is superfine light calcium carbonate, Namigai, ultrafine heavy calcium or polynite.
5. weather resisting colorful composite PVC pipe as claimed in claim 1, is characterized in that: described sandwich layer (2) is modified PVC layer, and described modified PVC is composed of the following components by weight:
6. weather resisting colorful composite PVC pipe as claimed in claim 5, is characterized in that: described modified barium sulphate is composed of the following components by mass:
Barium sulfate 90-100 part;
Coupling agent 0.5-2.0 part;
Stearic acid 0.3-2.0 part.
7. weather resisting colorful composite PVC pipe as claimed in claim 6, is characterized in that: described coupling agent is metatitanic acid fat, Aluminate, boric acid fat or organosilane.
8. weather resisting colorful composite PVC pipe as described in claim 1 or 5, is characterized in that: described fatty acid ester lubricant is saturated fatty alcohol dicarboxylic acid fat.
9. weather resisting colorful composite PVC pipe as described in any one in claim 1-7, it is characterized in that: in described sandwich layer (2), also have internal layer (1), described internal layer (1) is identical with the composition of outer (3), and described internal layer (1), sandwich layer (2) and skin (3) are through coextru-lamination.
10. weather resisting colorful composite PVC pipe as described in any one in claim 1-7, is characterized in that: the thickness >=1.6mm of described sandwich layer (2), the thickness≤0.2mm of described skin (3).
CN201310488814.XA 2013-10-17 2013-10-17 Weather-resistant colored composite PVC (Polyvinyl Chloride) pipe Active CN103524972B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104479243A (en) * 2014-11-24 2015-04-01 国网山西省电力公司吕梁供电公司 Novel energy-saving high-heat-dissipation-property PVC (polyvinyl chloride) cable sleeve
CN104479256A (en) * 2014-12-31 2015-04-01 江阴市向阳科技有限公司 Preparation method of high-performance composite decorative film
CN104530600A (en) * 2014-12-26 2015-04-22 辽宁程威塑料型材有限公司 Colorful co-extruded plastic pipeline

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101581138A (en) * 2009-04-27 2009-11-18 浙江中财管道科技股份有限公司 ASA/PVC co-extrusion ultra-weather resisting colorful rainwater pipeline

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101581138A (en) * 2009-04-27 2009-11-18 浙江中财管道科技股份有限公司 ASA/PVC co-extrusion ultra-weather resisting colorful rainwater pipeline

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104479243A (en) * 2014-11-24 2015-04-01 国网山西省电力公司吕梁供电公司 Novel energy-saving high-heat-dissipation-property PVC (polyvinyl chloride) cable sleeve
CN104530600A (en) * 2014-12-26 2015-04-22 辽宁程威塑料型材有限公司 Colorful co-extruded plastic pipeline
CN104479256A (en) * 2014-12-31 2015-04-01 江阴市向阳科技有限公司 Preparation method of high-performance composite decorative film

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