CN1631967A - Chlorinated polyvinyl-chloride plate - Google Patents
Chlorinated polyvinyl-chloride plate Download PDFInfo
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- CN1631967A CN1631967A CN 200410036217 CN200410036217A CN1631967A CN 1631967 A CN1631967 A CN 1631967A CN 200410036217 CN200410036217 CN 200410036217 CN 200410036217 A CN200410036217 A CN 200410036217A CN 1631967 A CN1631967 A CN 1631967A
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- polyvinyl chloride
- sheet material
- chlorinated polyvinyl
- chloride sheet
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Abstract
The invention relates to a perchlorinated polyvinyl chloride plate material with low fluxing tempeature, high mechanic strenth, resistance to oxidative decomposition and aging, which is suitable for producing huge storge tenk resistant acid and alkali. The mass ratio of its components are: CPVC resin (100 portions ), stabalizer (3-7 portions), lubricating assistant(1-4portions), modification assistant resistant to oxidative decomposition(5-12 portions), modifier for strengthening resistance to temperature (5-12 portions) additive of active Ca (10-30 portions), epoxy-ester (1-3 portions), toner (according to the need). Its benefit includes: low fluxing temperature, high softening point, good resistance to corrosion (by strong acid, strong alkali and salt solution), higher mechanic strength and tenacity, hard to be corroded by Cl2 in water.
Description
(1) technical field under
The present invention relates to a kind of chlorinated polyvinyl chloride (CPVC) sheet material, particularly a kind of processing plasticizing temperature is low, physical strength is high, anti-oxidation decomposition, ageing-resistant chlorinated polyvinyl chloride sheet material.
(2) background technology
Mainly based on PVC, PE, ABS etc., still, the heat resisting temperature of common plastics material is not high for present plastics, and the long term operation temperature can not surpass 60 degree, and intensity is relatively poor, can not produce the super-huge container of the anti-strong acid of high-strength high temperature-resistant.
Chlorinated polyvinyl chloride CPVC is the model engineering plastic that carries out the modification preparation on the PVC basis, its oxygen index is up to 50-60%, smog index is less than 25, Vicat softening point is 110-120 ℃, physical strength is bigger by about 25% than polyvinyl chloride, it also has excellent weathering resistance, anti-ultraviolet aging and chemical stability, and therefore, it can be widely used in industries such as the chemical industry of occasions such as some high temperature, strong corrosive medium, extreme climate environment, oil, medicine, electric power, building.
But its shortcoming is that its melt viscosity is two times of polyvinyl chloride at least, and the friction between itself and processing units is increased, when processing temperature is higher,, cause machine-shaping difficulty and heavy corrosion processing units because of thermolysis produces a large amount of hydrogen chloride gas, difficulty of processing increases, and is difficult for processing.Concerning some super-huge containers, because its thickness is big, its difficulty of processing is bigger especially.
The super-huge container of chlorinated polyvinyl chloride board making as large-scale acidproof storage tank, need have bigger physical strength and rigidity, improves its temperature tolerance, strengthens the ability of its ageing-resistant decomposition.But existing chlorinated polyvinyl chloride sheet material can not satisfy the needs of making the super-huge storage tank of some special industries.
(3) summary of the invention
The present invention is in order to overcome the deficiency of above technology, a kind of novel chlorinated polyvinyl chloride sheet material is provided, has had that the processing plasticizing temperature is low, physical strength and a rigidity height, heat resistance is good, anti-oxidation, anti-capacity of decomposition is strong, satisfies the needs of the super-huge storage tank of special industry.
The present invention realizes by following measure:
The invention discloses a kind of chlorinated polyvinyl chloride sheet material, is to be extruded by following materials of weight proportions to make,
CPVC resin: 100 parts
Liquid stabilisers: 3-7 part
Lubricating auxiliary agent: 1-4 part
Anti-oxidation decomposition modified additive: 5-12 part
Strengthen heatproof properties-correcting agent: 5-12 part
Active calcium additive: 10-30 part
Epoxy fat: 1-3 part
Toner: add in right amount as required.
Chlorinated polyvinyl chloride sheet material of the present invention, the preferable weight proportion of described raw material is,
CPVC resin: 100 parts
Liquid stabilisers: 4-6 part
Lubricating auxiliary agent: 2-3 part
Anti-oxidation decomposition modified additive: 8-10 part
Strengthen heatproof properties-correcting agent: 8-10 part
Active calcium additive: 15-25 part
Epoxy fat: 1-3 part
Toner: add in right amount as required.
Above-mentioned chlorinated polyvinyl chloride sheet material, described liquid stabilisers are at least a of 8831, two lauric acid.
Above-mentioned chlorinated polyvinyl chloride sheet material, described lubricant are barium stearate, zinc, calcium, plumbous at least a.
Above-mentioned chlorinated polyvinyl chloride sheet material, described anti-oxidation decomposition modified additive are cured at least a of OPE, oxidic polyethylene.
Above-mentioned chlorinated polyvinyl chloride sheet material, described enhancing heatproof properties-correcting agent is at least a of ACR, MBS.
Chlorinated polyvinyl chloride sheet material of the present invention adopts extrusion molding production, and its Production Flow Chart that has is: material prepares, and---the auxiliary agent defibrination------resin additive sieves, and---------high-speed mixing---is carried and---is entered forcing machine and---plastify and extrude---the following machine warehouse-in of control specification---randomized test---batching metering packing slurry by cooling.
Chlorinated polyvinyl chloride sheet material of the present invention in order to improve its physical strength and rigidity, adds a certain amount of Calcium of intensifiens and strengthens.In order to strengthen its plasticizing capacity, add properties-correcting agent such as a certain amount of ACR, MBS.For the ability of anti-oxidationly, anti-decomposing of strengthening chlorinated polyvinyl chloride sheet material, anti-aging, heatproof, add auxiliary agents such as a certain amount of OPE, oxidic polyethylene be cured and carry out modification.In order to improve the lubricity of chlorinated polyvinyl chloride sheet material, add auxiliary agents such as a certain amount of barium stearate, zinc, calcium, lead.In order to improve the stability of chlorinated polyvinyl chloride sheet material in the course of processing, add auxiliary agents such as a certain amount of 8831, two lauric acid.For the processing characteristics of improving chlorinated polyvinyl chloride sheet material, the physical strength that strengthens finished product, add a certain amount of epoxy fat.
Chlorinated polyvinyl chloride sheet material of the present invention, 150-170 ℃ of its plasticization temperature, Vicat softening point are 100-120 ℃, and tensile yield strength is 40-50Mpa, and shock strength is 12-16KJ/m
2, 35% hydrochloric acid soln degree of corrosion is less than-1.2g/m
2(48 hours, down with), 30% sulphuric acid soln degree of corrosion is less than-0.5g/m
2, 84% salpeter solution degree of corrosion is less than-0.7g/m
2, 40% sodium hydroxide solution degree of corrosion is less than-0.7g/m
2
Beneficial effect of the present invention is: plasticization temperature is low, the Vicat softening point height, and corrosion resistance and good, promptly anti-strong acid, highly basic and brinish corrode; Higher physical strength and toughness are arranged; Not corroded by the chlorination of chlorine residue; Be suitable for making super-huge storage tank.
(4) embodiment
Below in conjunction with embodiment the present invention is made specific description.
Embodiment 1
The sheet material of present embodiment is mixed by following materials of weight proportions:
CPVC resin: 100 parts
(8831) 3 parts of liquid stabilisers
4 parts of lubricating auxiliary agent (lead stearate)
10 parts of anti-oxidation decomposition modified additives (oxidic polyethylene is cured)
Strengthen heatproof properties-correcting agent (ACR) 6 parts
28 parts of active calcium additives (particle diameter less than 1 micron treated carbonates)
1 part in epoxy fat.
The levigate back of above-mentioned resin additive is mixed, after sieving, add in the CPVC resin, high-speed mixing, cooling enters forcing machine and extrudes, and the plasticizing extrusion temperature is 150-170 ℃, makes the sheet material of 20 mm thick.
Product performance are: Vicat softening point is greater than 105 ℃, and tensile yield strength is 42Mpa, and shock strength is 13KJ/m
2, 35% hydrochloric acid soln degree of corrosion is less than-1.2g/m
2, 30% sulphuric acid soln degree of corrosion is less than-0.5g/m
2, 84% salpeter solution degree of corrosion is less than-0.7g/m
2, 40% sodium hydroxide solution degree of corrosion is less than-0.7g/m
2
Embodiment 2
The sheet material of present embodiment is mixed by following materials of weight proportions:
CPVC resin: 100 parts
6 parts of liquid stabilisers (two lauric acid)
2 parts of lubricating auxiliary agent (barium stearate)
6 parts of anti-oxidation decomposition modified additives (OPE)
Strengthen heatproof properties-correcting agent (MBS) 8 parts
12 parts of active calcium additives (treated carbonates of particle diameter 10-50 micron)
2 parts in epoxy fat
Toner: 5 parts.
The levigate back of above-mentioned resin additive is mixed, add toner, after sieving, add in the CPVC resin, degree of being heated to, high-speed mixing, cooling enters forcing machine and extrudes, and the plasticizing extrusion temperature is 150-170 ℃.Make the sheet material of 10 mm thick.
Product performance are: Vicat softening point is greater than 116 ℃, and tensile yield strength is 46Mpa, and shock strength is 12KJ/m
2, 35% hydrochloric acid soln degree of corrosion is less than-1.0g/m
2, 30% sulphuric acid soln degree of corrosion is less than-0.5g/m
2, 84% salpeter solution degree of corrosion is less than-0.7g/m
2, 40% sodium hydroxide solution degree of corrosion is less than-0.7g/m
2
Embodiment 3
The sheet material of present embodiment is mixed by following materials of weight proportions:
CPVC resin: 100 parts
(8831) 5 parts of liquid stabilisers
3 parts of lubricating auxiliary agent (calcium stearate)
8 parts of anti-oxidation decomposition modified additives (OPE)
Strengthen heatproof properties-correcting agent (ACR) 10 parts
20 parts of active calcium additives (particle diameter is less than the treated carbonates of 100 nanometers)
3 parts in epoxy fat.
The levigate back of above-mentioned resin additive is mixed, after sieving, add in the CPVC resin, high-speed mixing, cooling enters forcing machine and extrudes, and the plasticizing extrusion temperature is 150-170 ℃.Make the sheet material of 40 mm thick.
Product performance are: Vicat softening point is greater than 120 ℃, and tensile yield strength is 50Mpa, and shock strength is 15KJ/m
2, 35% hydrochloric acid soln degree of corrosion is less than-0.8g/m
2, 30% sulphuric acid soln degree of corrosion is less than-0.5g/m
2, 84% salpeter solution degree of corrosion is less than-0.5g/m
2, 40% sodium hydroxide solution degree of corrosion is less than-0.5g/m
2
Claims (6)
1. chlorinated polyvinyl chloride sheet material is characterized in that: be to extrude by following materials of weight proportions to make,
CPVC resin: 100 parts
Liquid stabilisers: 3-7 part
Lubricating auxiliary agent: 1-4 part
Anti-oxidation decomposition modified additive: 5-12 part
Strengthen heatproof properties-correcting agent: 5-12 part
Active calcium additive: 10-30 part
Epoxy fat: 1-3 part
Toner: add in right amount as required.
2. kind require 1 described chlorinated polyvinyl chloride sheet material according to power, it is characterized in that: the weight proportion of described raw material is,
CPVC resin: 100 parts
Liquid stabilisers: 4-6 part
Lubricating auxiliary agent: 2-3 part
Anti-oxidation decomposition modified additive: 8-10 part
Strengthen heatproof properties-correcting agent: 8-10 part
Active calcium additive: 15-25 part
Epoxy fat: 1-3 part
Toner: add in right amount as required.
3. each described chlorinated polyvinyl chloride sheet material according to claim 1 and 2 is characterized in that: described liquid stabilisers is at least a of 8831, two lauric acid.
4. each described chlorinated polyvinyl chloride sheet material according to claim 1 and 2 is characterized in that: described lubricating auxiliary agent is barium stearate, zinc, calcium, plumbous at least a.
5. each described chlorinated polyvinyl chloride sheet material according to claim 1 and 2 is characterized in that: described anti-oxidation decomposition modified additive is cured at least a of OPE, oxidic polyethylene.
6. each described chlorinated polyvinyl chloride sheet material according to claim 1 and 2 is characterized in that: described enhancing heatproof properties-correcting agent is at least a of ACR, MBS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410036217 CN1256380C (en) | 2004-11-08 | 2004-11-08 | Chlorinated polyvinyl-chloride plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410036217 CN1256380C (en) | 2004-11-08 | 2004-11-08 | Chlorinated polyvinyl-chloride plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1631967A true CN1631967A (en) | 2005-06-29 |
| CN1256380C CN1256380C (en) | 2006-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410036217 Expired - Fee Related CN1256380C (en) | 2004-11-08 | 2004-11-08 | Chlorinated polyvinyl-chloride plate |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229731A (en) * | 2011-06-08 | 2011-11-02 | 济南海富塑胶有限公司 | Chlorinated polyvinyl chloride (CPVC) board and production process thereof |
| CN102276952A (en) * | 2011-08-30 | 2011-12-14 | 山东金天成塑料制品有限公司 | Chlorinated polyvinyl chloride board |
| CN102441996A (en) * | 2011-08-30 | 2012-05-09 | 山东金天成塑料制品有限公司 | Process for preparing CPVC (chlorinated polyvinyl chloride) plates |
| CN102532749A (en) * | 2011-12-12 | 2012-07-04 | 山东金天成塑料制品有限公司 | PVC (Poly Vinyl Chloride) extruding plate and manufacturing method thereof |
-
2004
- 2004-11-08 CN CN 200410036217 patent/CN1256380C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229731A (en) * | 2011-06-08 | 2011-11-02 | 济南海富塑胶有限公司 | Chlorinated polyvinyl chloride (CPVC) board and production process thereof |
| CN102276952A (en) * | 2011-08-30 | 2011-12-14 | 山东金天成塑料制品有限公司 | Chlorinated polyvinyl chloride board |
| CN102441996A (en) * | 2011-08-30 | 2012-05-09 | 山东金天成塑料制品有限公司 | Process for preparing CPVC (chlorinated polyvinyl chloride) plates |
| CN102532749A (en) * | 2011-12-12 | 2012-07-04 | 山东金天成塑料制品有限公司 | PVC (Poly Vinyl Chloride) extruding plate and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1256380C (en) | 2006-05-17 |
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Owner name: LIU YUSHUI; CAI HETIAN; ZHANG YUEJIN Free format text: FORMER OWNER: LIU YUSHUI Effective date: 20060804 |
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Effective date of registration: 20060804 Address after: Huaiyin Duan Dian Bei Lu Ji'nan 250022 Shandong province No. 153 plastic factory ten Cai Hetian Co-patentee after: Cai Hetian Patentee after: Liu Yushui Co-patentee after: Zhang Yuejin Address before: Huaiyin Duan Dian Bei Lu Ji'nan 250022 Shandong province No. 153 plastic factory ten Cai Hetian Patentee before: Liu Yushui |
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