CN108503974A - Cold-resistant PVC sheet - Google Patents
Cold-resistant PVC sheet Download PDFInfo
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- CN108503974A CN108503974A CN201810242050.9A CN201810242050A CN108503974A CN 108503974 A CN108503974 A CN 108503974A CN 201810242050 A CN201810242050 A CN 201810242050A CN 108503974 A CN108503974 A CN 108503974A
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- Prior art keywords
- cold
- parts
- pvc sheet
- resistant
- raw material
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of cold-resistant PVC sheets, count in parts by weight, and raw material includes following components, 60 90 parts of polyvinyl chloride；35 parts of plasticizer；18 parts of stabilizer；15 parts of lubricant；18 parts of filler；Cold-resistant 29 parts of modifying agent；15 parts of processing aid；The cold-resistant modifying agent is one kind in nano-calcium carbonate, nano silicon dioxide, SiC Nanometer Whiskers, and the processing aid is acrylic acid/acryloyl nitrogen analog copolymer.The present invention has the following advantages and effects：PVC sheet raw material includes cold-resistant modifying agent, and the modifying agent that resists cold selects one kind in nano-calcium carbonate, nano silicon dioxide, SiC Nanometer Whiskers, can significantly improve the cold tolerance of PVC sheet；Secondly, processing aid in PVC sheet raw material selects acrylic acid/acryloyl nitrogen analog copolymer, acrylic acid/acryloyl nitrogen analog copolymer is while playing raising PVC sheet cold tolerance, cold-resistant dispersion of the modifying agent in PVC sheet raw material of promotion can also be played, reduce the agglomeration for the modifying agent that resists cold, the compatibility for promoting cold-resistant modifying agent and polyvinyl chloride, makes PVC sheet reach good cold tolerance.
Description
Technical field
The present invention relates to field of polymer material preparing technology, more particularly to a kind of cold-resistant PVC sheet.
Background technology
Polyvinyl chloride (PVC) is a kind of widely used resins for universal use, and the life with the mankind contacts very greatly, and being can not
The important materials lacked.Polyvinyl chloride can be applied to the fields such as medical treatment, agricultural, manufacturing industry, be developed after production is industrialized
Time longest plastics, polyvinyl chloride have the advantages that it is more, such as preferable insulating properties, corrosion resistance, good wearability,
Flame retardant property etc., but mechanical property is greatly lowered polyvinyl chloride at low temperature, is easy embrittlement and rupture, cold resistance is poor.
Invention content
The object of the present invention is to provide a kind of cold-resistant PVC sheets.
The present invention above-mentioned technical purpose technical scheme is that：A kind of cold-resistant PVC sheet, is pressed
Parts by weight meter, raw material include following components, 60-90 parts of polyvinyl chloride；3-5 parts of plasticizer；1-8 parts of stabilizer；Lubricant 1-5
Part；1-8 parts of filler；Cold-resistant 2-9 parts of modifying agent；1-5 parts of processing aid；The cold-resistant modifying agent is nano-calcium carbonate, nanometer
One kind in silica, SiC Nanometer Whiskers, the processing aid are acrylic acid/acryloyl nitrogen analog copolymer.
Include cold-resistant modifying agent in PVC sheet raw material, the modifying agent that resists cold is nano-calcium carbonate by using above-mentioned technical proposal
Calcium, nano silicon dioxide, SiC Nanometer Whiskers, nano-calcium carbonate, nano silicon dioxide, SiC Nanometer Whiskers are inorganic
Contact area is larger between nano-particle, with polyvinyl chloride molecule, when PVC sheet is at low temperature by external impacts, nanometer
Particle can prevent the growth of crackle, prevent it from developing into the crackle for making base fracture so that PVC sheet not only has preferably
Cold tolerance, and have preferable dimensional stability and toughness.
The modified effect of cold-resistant modifying agent, it is related with its degree of scatter in PVC sheet raw material, due to nano-calcium carbonate
Calcium, nano silicon dioxide, SiC Nanometer Whiskers are nano-particle, are easy to happen reunion, in PVC sheet the processing of raw material help
Agent selects acrylic acid/acryloyl nitrogen analog copolymer, acrylic acid/acryloyl nitrogen analog copolymer to have the modifying agent that promotes to resist cold in PVC
Dispersion in sheet stock improves cold-resistant compatibility between modifying agent and polyvinyl chloride.
Acrylic acid/acryloyl nitrogen analog copolymer is dispersed in PVC sheet raw material, intermolecular staggeredly with polyvinyl chloride, is formed
The network structure in space can further increase the toughness and cold tolerance of PVC sheet.
The further setting of the present invention is：The number-average molecular weight of the acrylic acid/acryloyl nitrogen analog copolymer is 15000-
25000。
By using above-mentioned technical proposal, the number-average molecular weight of acrylic acid/acryloyl nitrogen analog copolymer is 15000-
25000, convenient for the dispersion in PVC sheet.
The further setting of the present invention is：It counts in parts by weight, raw material includes 60-85 parts of polyvinyl chloride, and 2-5 parts cold-resistant to change
Property agent.
The further setting of the present invention is：The plasticizer is 1,2- cyclohexane dicarboxylic acid diisopropyl esters, the lubricant
For calcium stearate.
By using above-mentioned technical proposal, in polrvinyl chloride product, phthalic acid lipid plasticizer is common one kind
Plasticizer, phthalic acid lipid plasticizer one are to be easy to move out from polrvinyl chloride product, second is that there is carcinogenic risk, are existed
It is potential dangerous.Compared to phthalic acid lipid plasticizer, 1,2- cyclohexane dicarboxylic acid diisopropyl ester is not easy from polyvinyl chloride
It is precipitated in product, it is safe to use, and to be a kind of transparent plasticizer and polyvinyl chloride have preferable compatibility, Ke Yiyong
In preparing transparent polrvinyl chloride product.
The further setting of the present invention is：The filler is one kind in titanium dioxide, talcum powder.
By using above-mentioned technical proposal, filler is added in PVC sheet, reduces cost, reduces polrvinyl chloride product
Change in size.
The further setting of the present invention is：The stabilizer is one kind in sulfuric acid methyl tin, butyl tin, tin octylate.
By using above-mentioned technical proposal, the heat resistance of polyvinyl chloride is poor, starts to soften at 80 DEG C, on 100 DEG C of left sides
It is right to start to decompose, stabilizer is added in PVC sheet raw material, prevents polyvinyl chloride from decomposing.Sulfuric acid methyl tin, butyl tin, tin octylate
For tin stabilizer, thermostable effect is good, and can be used for producing transparent polyethylene products.
The further setting of the present invention is：It counts in parts by weight, raw material includes 1-4 parts of methyl-monosilane alcohol mannuronic acids
Ester.
By using above-mentioned technical proposal, PVC sheet raw material includes Algisium C, methyl-monosilane alcohol
Mannuronic acid ester can play the role of toughening, and the brittle temperature of PVC sheet can be greatly lowered.
The further setting of the present invention is：It counts in parts by weight, raw material includes 2-6 parts of raspberry ketone glucosides.
By using above-mentioned technical proposal, raspberry ketone glucoside appearance is white or off-white color crystalline powder, dispersion
Into PVC sheet raw material, the brittle temperature of PVC sheet can be also reduced, and raspberry ketone glucoside can be sweet with methyl-monosilane alcohol
Dew glycuronate plays synergistic effect, further increases the cold tolerance of PVC sheet.
The further setting of the present invention is：It counts in parts by weight, raw material includes 2-7 parts of sucrose octasulfate sodium.
By using above-mentioned technical proposal, sucrose octasulfate sodium is distributed in PVC sheet raw material, with polyvinyl chloride molecule
Chain is staggeredly connected, and can obviously inhibit the expansion of PVC sheet crackle at low temperature, improve the cold tolerance of PVC sheet.
In conclusion the invention has the advantages that：PVC sheet raw material includes cold-resistant modifying agent, resists cold and is modified
One kind in nano-calcium carbonate, nano silicon dioxide, SiC Nanometer Whiskers is selected in agent, can significantly improve the cold-resistant of PVC sheet
Performance；Secondly, the processing aid in PVC sheet raw material selects acrylic acid/acryloyl nitrogen analog copolymer, acrylic acid/acryloyl nitrogen
Analog copolymer is while playing raising PVC sheet cold tolerance, moreover it is possible to play promotion and resist cold modifying agent in PVC sheet raw material
Dispersion, reduce resist cold modifying agent agglomeration, promote resist cold modifying agent and polyvinyl chloride compatibility, so that PVC sheet is reached
Good cold tolerance is arrived.
Specific implementation mode
Embodiment 1：A kind of cold-resistant PVC sheet, each component is as shown in table 1 in raw material, wherein the list of 1 each component of table
Position is kg.Wherein plasticizer is 1,2- cyclohexane dicarboxylic acid diisopropyl esters, and stabilizer is sulfuric acid methyl tin, and filler is titanium white
Powder, the modifying agent that resists cold are nano-calcium carbonate, and processing aid is acrylic acid/acryloyl nitrogen analog copolymer, acrylic acid/acryloyl nitrogen class
The number-average molecular weight of copolymer is between 15000-25000.
Cold-resistant PVC sheet production technology is as follows, step 1, and dispensing takes each component in raw material, is heated to 85 DEG C, stirring
Uniformly.Step 2 squeezes out, and the material in step 1 is cooled to 50 DEG C, is sent into extruder and squeezes out, extruder heating and temperature control
At 140-150 DEG C, material plasticizing temperature is controlled at 150-180 DEG C.Step 3, calendering, the material that extruder is squeezed out roll
Machine rolls, and the temperature of stack controls between 150-170 DEG C.Step 4, cooling winding, the PVC pieces that calender rolls out
After cooling, winding obtains cold-resistant PVC sheet to material.
Embodiment 2：A kind of cold-resistant PVC sheet, difference from example 1 is that, each component such as 1 institute of table in raw material
Show, wherein cold-resistant modifying agent is nano silicon dioxide, filler is talcum powder, and stabilizer is butyl tin.
Embodiment 3：A kind of cold-resistant PVC sheet, difference from example 1 is that, each component such as 1 institute of table in raw material
Show, wherein cold-resistant modifying agent is SiC Nanometer Whiskers, stabilizer is tin octylate.
Embodiment 4：A kind of cold-resistant PVC sheet, difference from example 1 is that, each component such as 1 institute of table in raw material
Show.
Embodiment 5：A kind of cold-resistant PVC sheet, with embodiment 2 the difference is that, each component such as 1 institute of table in raw material
Show.
Embodiment 6：A kind of cold-resistant PVC sheet, difference from example 1 is that, each component such as 1 institute of table in raw material
Show.
Embodiment 7：A kind of cold-resistant PVC sheet, with embodiment 2 the difference is that, each component such as 1 institute of table in raw material
Show.
Embodiment 8：A kind of cold-resistant PVC sheet, difference from example 1 is that, each component such as 1 institute of table in raw material
Show.
Embodiment 9：A kind of cold-resistant PVC sheet, with embodiment 2 the difference is that, each component such as 1 institute of table in raw material
Show.
Embodiment 10：A kind of cold-resistant PVC sheet, difference from example 1 is that, each component such as table 1 in raw material
It is shown.
Embodiment 11：A kind of cold-resistant PVC sheet, with embodiment 2 the difference is that, each component such as table 1 in raw material
It is shown.
Embodiment 12：A kind of cold-resistant PVC sheet, difference from example 1 is that, each component such as table 1 in raw material
It is shown.
Embodiment 13：A kind of cold-resistant PVC sheet, with embodiment 2 the difference is that, each component such as table 1 in raw material
It is shown.
Embodiment 14：A kind of cold-resistant PVC sheet, difference from example 1 is that, each component such as table 1 in raw material
It is shown.
Embodiment 15：A kind of cold-resistant PVC sheet, with embodiment 2 the difference is that, each component such as table 1 in raw material
It is shown.
Comparative example 1：A kind of PVC sheet, difference from example 1 is that, each component is as shown in table 1 in raw material.
Comparative example 2：A kind of PVC sheet, the difference is that, each component is as shown in table 1 in raw material with embodiment 2.
Comparative example 3：A kind of PVC sheet, the difference is that, each component is as shown in table 1 in raw material with embodiment 3.
Comparative example 4：A kind of PVC sheet, difference from example 1 is that, each component is as shown in table 1 in raw material.
Comparative example 5：A kind of PVC sheet, the difference is that, each component is as shown in table 1 in raw material with embodiment 2.
Comparative example 6：A kind of PVC sheet, the difference is that, each component is as shown in table 1 in raw material with embodiment 3.
Table 1
Cold tolerance is tested：
Low-temperature impact is tested：According to GB/T2843-2008 standard testings and batten is made, batten size is：Long 80mm, it is wide
10mm, thickness 2.6mm.After batten is placed 10min in liquid nitrogen, sample is taken out rapidly, and simply supported beam is done on shock machine
Impact, test result is listed in table 2.
Brittle temperature is tested：It is tested according to standard GBT5470-2008.Batten size：Long 20.00mm ± 0.25mm,
Wide 2.50mm ± 0.05mm, thick 2.00mm ± 0.1mm.Bath temperature is preset to substantially temperature range, sample is fixed on
It on fixture, is down in alcoholic media, 3min rear jigs rise ram impacts simultaneously automatically.Constantly debugging temperature, measures institute respectively
There is the not damaged minimum temperature of the whole damaged maximum temperatures of sample.Within this range, four humid test points are carried out
Test record is crushed situation, can be calculated brittle temperature, and test result is listed in table 2.
Table 2
Specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
The modification that not creative contribution can be made to the present embodiment as needed after reading this specification, but as long as in this hair
It is all protected by Patent Law in bright right.
Claims (9)
1. a kind of cold-resistant PVC sheet, is counted in parts by weight, raw material includes following components,
The cold-resistant modifying agent is one kind in nano-calcium carbonate, nano silicon dioxide, SiC Nanometer Whiskers, and the processing helps
Agent is acrylic acid/acryloyl nitrogen analog copolymer.
2. a kind of cold-resistant PVC sheet according to claim 1, it is characterised in that：The acrylic acid/acryloyl nitrogen class is total
The number-average molecular weight of polymers is 15000-25000.
3. a kind of cold-resistant PVC sheet according to claim 1, it is characterised in that：It counts in parts by weight, raw material includes
60-85 parts of polyvinyl chloride, 2-5 parts of cold-resistant modifying agent.
4. a kind of cold-resistant PVC sheet according to claim 1, it is characterised in that：The plasticizer is 1,2- hexamethylenes
Dicaxboxylate, the lubricant are calcium stearate.
5. a kind of cold-resistant PVC sheet according to claim 1, it is characterised in that：The filler is titanium dioxide, talcum
One kind in powder.
6. a kind of cold-resistant PVC sheet according to claim 1, it is characterised in that：The stabilizer be sulfuric acid methyl tin,
One kind in butyl tin, tin octylate.
7. a kind of cold-resistant PVC sheet according to claim 1, it is characterised in that：It counts in parts by weight, raw material includes 1-
4 parts of Algisium Cs.
8. a kind of cold-resistant PVC sheet according to claim 1, it is characterised in that：It counts in parts by weight, raw material includes 2-
6 parts of raspberry ketone glucosides.
9. a kind of cold-resistant PVC sheet according to claim 1, it is characterised in that：It counts in parts by weight, raw material includes 2-
7 parts of sucrose octasulfate sodium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810242050.9A CN108503974A (en) | 2018-03-22 | 2018-03-22 | Cold-resistant PVC sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810242050.9A CN108503974A (en) | 2018-03-22 | 2018-03-22 | Cold-resistant PVC sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108503974A true CN108503974A (en) | 2018-09-07 |
Family
ID=63378137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810242050.9A Pending CN108503974A (en) | 2018-03-22 | 2018-03-22 | Cold-resistant PVC sheet |
Country Status (1)
| Country | Link |
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| CN (1) | CN108503974A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111391442A (en) * | 2020-03-26 | 2020-07-10 | 东莞市昊康塑胶制品有限公司 | Plastic uptake composite lycra cloth sheet |
| CN112226020A (en) * | 2020-10-24 | 2021-01-15 | 杭州富阳龙翔塑料制品有限公司 | Cold-resistant transparent plastic particle and preparation method thereof |
| CN114196134A (en) * | 2021-12-22 | 2022-03-18 | 浙江三益鞋业有限公司 | Women's shoes with cold-resistant soles and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105273325A (en) * | 2014-06-11 | 2016-01-27 | 中国石油化工股份有限公司 | Cold-resistant wear-resistant polyvinyl chloride composition and preparation method thereof |
| CN105802081A (en) * | 2016-05-14 | 2016-07-27 | 江阴宏凯塑胶有限公司 | Coating high-adhesion matte polyvinyl chloride digital printing sheet base material |
-
2018
- 2018-03-22 CN CN201810242050.9A patent/CN108503974A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105273325A (en) * | 2014-06-11 | 2016-01-27 | 中国石油化工股份有限公司 | Cold-resistant wear-resistant polyvinyl chloride composition and preparation method thereof |
| CN105802081A (en) * | 2016-05-14 | 2016-07-27 | 江阴宏凯塑胶有限公司 | Coating high-adhesion matte polyvinyl chloride digital printing sheet base material |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111391442A (en) * | 2020-03-26 | 2020-07-10 | 东莞市昊康塑胶制品有限公司 | Plastic uptake composite lycra cloth sheet |
| CN112226020A (en) * | 2020-10-24 | 2021-01-15 | 杭州富阳龙翔塑料制品有限公司 | Cold-resistant transparent plastic particle and preparation method thereof |
| CN112226020B (en) * | 2020-10-24 | 2022-07-15 | 杭州富阳龙翔塑料制品有限公司 | Cold-resistant transparent plastic particle and preparation method thereof |
| CN114196134A (en) * | 2021-12-22 | 2022-03-18 | 浙江三益鞋业有限公司 | Women's shoes with cold-resistant soles and preparation method thereof |
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