CN105295271B - A kind of heat-resisting high transparency CPVC compositions - Google Patents
A kind of heat-resisting high transparency CPVC compositions Download PDFInfo
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- CN105295271B CN105295271B CN201410257320.5A CN201410257320A CN105295271B CN 105295271 B CN105295271 B CN 105295271B CN 201410257320 A CN201410257320 A CN 201410257320A CN 105295271 B CN105295271 B CN 105295271B
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Abstract
A kind of heat-resisting high transparency CPVC compositions, belong to chliorinated polyvinyl chloride technical field of compositions.Characterized in that, parts by weight composition is：100 parts of CPVC resins, 1.5 ~ 3.0 parts of heat stabilizer, 0.5 ~ 1.5 part of auxiliary heat stabilizer, 0.1 ~ 0.5 part of perchlorate Transparence modifier, 0.3 ~ 1.0 part of in-lubricant, 0.8 ~ 2.0 part of external lubricant, heat-resisting 1.0 ~ 4.0 parts of plasticizer, 0 ~ 2.0 part of impact modifier；CPVC resin chlorinities are 64 ~ 70%.Material is mixed and is warming up to 100 ~ 120 DEG C, after 10 ~ 15 minutes, blowing after 40 DEG C is cooled to and extrudes.The present invention compounds a variety of auxiliary agents and CPVC resins, and complexing and the Cloud Distribution in CPVC chain are changed using perchlorate Transparence modifier, CPVC composition light transmittances is up to more than 80%, vicat softening temperature reaches more than 110 DEG C.
Description
Technical field
A kind of heat-resisting high transparency CPVC compositions, belong to chliorinated polyvinyl chloride technical field of compositions.
Background technology
Chliorinated polyvinyl chloride（CPVC）Resin has that mechanical strength is big, heat-resisting, weather-proof, resistant to chemical media burn into is fire-retardant, suppression
The excellent performance such as cigarette, and compared with other thermoplastic engineering plastics, price is relatively low, therefore is widely used in manufacture
The products such as various tubing, sheet material, section bar, sheet material, moulding, foamed material, anticorrosive paint.The purposes of CPVC resins increasingly by
To the attention of people, and yield is increased with 15% speed every year.
Heat-resisting high transparency CPVC product can be used for that environment temperature is higher in the field such as electrical equipment, chemical industry and has high transparency requirement
Tubing, be also commonly used for high temperature resistant in the fields such as automobile, decoration, building and the sheet material required with the transparency, can be led in part
Domain replaces engineering plastic PC, PET, PMMA, with higher cost performance.But heat-resisting high transparency CPVC has to processing formula and technique
Special requirement.At present, less to heat-resisting high transparency CPVC investigations of materials, it is relatively low that the problem of existing is mainly light transmittance, highest
57.5% or so is only can reach, this severely limits the application that it requires field in high transparency；And current heat-resisting high transparency CPVC
The highest vicat softening temperature of material also only has 103 DEG C or so, also limit heat-resisting high transparency CPVC higher in environment temperature
Application in field.
The content of the invention
The technical problem to be solved in the present invention is：Overcome the deficiencies in the prior art notable, transparent there is provided a kind of heat resistance
The high heat-resisting high transparency CPVC compositions of degree.
The technical solution adopted for the present invention to solve the technical problems is：The heat-resisting high transparency CPVC compositions, raw material weight
Amount part, which constitutes, is：100 parts of CPVC resins, 1.5 ~ 3.0 parts of heat stabilizer, 0.5 ~ 1.5 part of auxiliary heat stabilizer, perchlorate is transparent
0.1 ~ 0.5 part of modifying agent, 0.3 ~ 1.0 part of in-lubricant, 0.8 ~ 2.0 part of external lubricant, heat-resisting 1.0 ~ 4.0 parts of plasticizer, anti-impact
0 ~ 2.0 part of modifying agent；
CPVC resins are that chlorinity is 64 ~ 70% by the degree of polymerization obtained by 700 ~ 1000 polyvinyl chloride resin chlorination.Described is poly-
Right 700 ~ 1000 PVC is suspension method or substance law resin, preferred substance law polyvinyl chloride resin, due to no epithelium, is prepared
CPVC resin chlorinations uniformity, stability and processability are good.
It is preferred that, chlorinity is 66 ~ 68% in described CPVC resins.
Perchlorate is being added to frequently as polyvinyl chloride resin stabilizer type, but in the present invention as a kind of Transparence modifier
After in CPVC, appropriate perchlorate, which can be guided in CPVC chain, occurs complexing and electron cloud weight cloth effect, can be significantly
Promote the transparency of CPVC compositions.Described perchlorate Transparence modifier is sodium perchlorate or potassium hyperchlorate.
It is preferred that, 0.1 ~ 0.5 part of antioxidant, 0.1 ~ 0.5 part of ultra-violet stabilizer are also included in described raw material.
Described heat stabilizer is a kind of, two or three of times in Methyl stannum mercaptide, butanethiol tin, octyl mercaptan tin
Meaning scalemic thereof.Such as TM-181,17MOK-N；Such stabilizer has outstanding heat endurance, fast light weatherability, color and luster steady
Qualitative, high transparency.
Described auxiliary heat stabilizer is epoxy compound species stabilizer or phosphorous acid lipid stabilizer；Such stabilizer with
Tin mercaptides class main stabilizer has synergisticing stable effect.
Described in-lubricant is stearic acid, calcium stearate, aliphatic acid low-carbon-ester, preferred fatty acid low-carbon-ester.
External lubricant is oligomerisation complex ester, paraffin, low molecular weight polyethylene wax or the poly- second of oxidation of aliphatic acid and polyalcohol
Alkene wax, preferably Tissuemat E.
Described heat-resisting plasticizer is trimellitic acid esters, polyesters plasticizer, preferably polyesters plasticizer.
Described impact modifier is methacrylate butadi ene styrene copolymer（MBS）Resin, ethylene-acetate
Ethylene copolymer（EVA）Resin, transparent acrylate are birdsed of the same feather flock together compound（ACR）In one kind, two or three of arbitrary proportion mix
Close.
Described antioxidant is phenolic antioxidant, phosphorus system antioxidant, preferably sulfur-bearing antioxidant, such as sulfur-bearing antioxidant, DLTDP
（The double lauryl alcohol esters of thio-2 acid）.
Described ultra-violet stabilizer is hindered amine light stabilizer, preferably benzotriazole UV absorbers, benzo
Triazole type UV absorbers, such as UV-419.
A kind of above-mentioned preparation method by above-mentioned heat-resisting high transparency CPVC compositions, specific preparation process is：
Each component is constituted according to above-mentioned parts by weight first and weighed, material is put into 800 ~ 1000r/min mixed at high speed
In machine, mixing is warming up to 100 ~ 120 DEG C, after 10 ~ 15 minutes, is put into low speed mixer and is cooled to blowing after 40 DEG C, pass through
Extrusion or curtain coating finished product.
Compared with prior art, a kind of heat-resisting high transparency CPVC compositions of the invention are had an advantageous effect in that：This
Invention together with CPVC resins compounding, especially changes a variety of auxiliary agents in CPVC chain using perchlorate Transparence modifier
Complexing and Cloud Distribution so that prepared CPVC composition light transmittances are up to more than 80%, and vicat softening temperature reaches
More than 110 DEG C.The light transmittance and higher vicat softening temperature greatly improved, has expanded CPVC application field so that this hair
Bright heat-resisting high transparency CPVC compositions can be used for the high temperature resistant in field, the transparent tubing such as electrical equipment, chemical industry, it can also be used to vapour
The field high temperature resistant such as car, decoration, building and the sheet material required with the transparency.
The present invention is used as auxiliary stabilizer and tin mercaptides by the use of epoxy compound species stabilizer or phosphorous acid lipid stabilizer
Class main stabilizer produces synergisticing stable effect, strengthens heat-resisting, weather-proof, the resistant to chemical media corrosive effect of the present composition, is
The present composition can meet the high request of light transmittance, and various severe working environments are adapted to again.
The present invention is acted synergistically using in-lubricant and external lubricant, added in-lubricant guarantee to change complexing and
The perchlorate Transparence modifier of Cloud Distribution is evenly distributed, and acts on identical to composition, will not heat-resisting high transparency CPVC productions
Occur dark color spots on product.External lubricant combination in-lubricant ensures the extrusion effect of composition.
Embodiment
The heat-resisting high transparency CPVC compositions of the present invention are described further below by specific embodiment, wherein implementing
Example 1 is most preferred embodiment.
The material proportion of embodiment 1 ~ 6 and comparative example 1 ~ 5 is shown in Table 1.
The embodiment of table 1 and comparative example proportioning（By weight）
Preparation method, each component of each embodiment and comparative example is constituted weigh first according to above-mentioned parts by weight, respectively will
Material is put into 800 ~ 1000r/min high-speed mixer, and mixing is warming up to 100 ~ 120 DEG C, after 10 ~ 15 minutes, is put into low
Blowing after 40 DEG C is cooled in fast mixer, by extruding or being cast finished product.
According to the method described above and the CPVC compositions that prepare of formula, the vicat softening temperature of embodiment, light transmittance, mist degree,
Definition testing result is shown in Table 2.
The embodiment performance test results of table 2
Compare and can be seen that from each embodiment and comparative example 1：When other conditions are adapted to, only the application of perchlorate is beyond this
When invention takes scope, perchlorate can not recur to the effect of Transparence modifier, perchlorate too high levels, with forceful electric power
The high chloro acid ion group of group causes confusion to electron cloud weight cloth guiding function in CPVC chain, and causing can not recur to transparent modified
The effect of agent.But the excessive effect for adding stabilizer of perchlorate is recovered it can be seen from vicat softening temperature, comparative example 1
Heat endurance slightly improve.
Compare and can be seen that from each embodiment and comparative example 2：When other conditions are adapted to, only the application of perchlorate is less than this
Invention takes scope, and electron cloud weight cloth guiding function is not enough, and a small amount of perchlorate could not play a part of Transparence modifier, right
Light transmittance and heat endurance have not significant impact.
Compare and can be seen that from each embodiment and comparative example 3：But the polyvinyl chloride resin chlorinity selected is too high, can influence high chlorine
The influence that hydrochlorate is modified to transparency, because chlorinity is too high, while the powered chlorion dissociated in resin increases, have impact on
The distribution of high chloro acid ion group, perchlorate Transparence modifier effect is not obvious.
Compare and can be seen that from each embodiment and comparative example 4：Polyvinyl chloride resin chlorinity is too low, can influence perchlorate to saturating
The influence that lightness is modified, because chlorinity is too low, while the powered chlorion dissociated in resin is considerably less, is unfavorable for perchloric acid
Ion cluster is uniformly distributed, it is impossible to electron cloud weight cloth in CPVC chain is effectively guided, perchlorate Transparence modifier is acted on not
It is enough obvious.
Compare and can be seen that from each embodiment and comparative example 5：Adding perchlorate in common CP VC products can be obvious
Light transmittance, mist degree and the definition of product are improved, while heat endurance is effectively improved.
The above described is only a preferred embodiment of the present invention, being not the limitation for making other forms to the present invention, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
Imitate embodiment.But it is every without departing from technical solution of the present invention content, the technical spirit according to the present invention is to above example institute
Any simple modification, equivalent variations and the remodeling made, still fall within the protection domain of technical solution of the present invention.
Claims (9)
1. a kind of heat-resisting high transparency CPVC compositions, it is characterised in that parts by weight of raw materials, which is constituted, is：CPVC resins 100
Part, 1.5 ~ 3.0 parts of heat stabilizer, 0.5 ~ 1.5 part of auxiliary heat stabilizer, 0.1 ~ 0.5 part of perchlorate Transparence modifier,
0.3 ~ 1.0 part of in-lubricant, 0.8 ~ 2.0 part of external lubricant, heat-resisting 1.0 ~ 4.0 parts of plasticizer, impact modifier 0 ~ 2.0
Part；Wherein, CPVC resins are that chlorinity is 64 ~ 70% by the degree of polymerization obtained by 700 ~ 1000 PVC resins chlorination.
2. a kind of heat-resisting high transparency CPVC compositions according to claim 1, it is characterised in that：Described CPVC
Chlorinity is 66 ~ 68% in resin.
3. a kind of heat-resisting high transparency CPVC compositions according to claim 1, it is characterised in that：Described high chlorine
Hydrochlorate Transparence modifier is sodium perchlorate or potassium hyperchlorate.
4. a kind of heat-resisting high transparency CPVC compositions according to claim 1, it is characterised in that：Described raw material
In also include 0.1 ~ 0.5 part of antioxidant, 0.1 ~ 0.5 part of ultra-violet stabilizer.
5. a kind of heat-resisting high transparency CPVC compositions according to claim 1, it is characterised in that：Described heat is steady
Agent is determined for Methyl stannum mercaptide, butanethiol tin, one kind in octyl mercaptan tin, two or three of arbitrary proportion mixture.
6. a kind of heat-resisting high transparency CPVC compositions according to claim 1, it is characterised in that：Described auxiliary
Heat stabilizer is epoxy compound species stabilizer or phosphite-type stabilisers.
7. a kind of heat-resisting high transparency CPVC compositions according to claim 1, it is characterised in that：Described interior profit
Lubrication prescription is aliphatic acid low-carbon-ester.
8. a kind of heat-resisting high transparency CPVC compositions according to claim 1, it is characterised in that：Described outer profit
Lubrication prescription is Tissuemat E.
9. a kind of heat-resisting high transparency CPVC compositions according to claim 1, it is characterised in that：Described is heat-resisting
Plasticizer is polyesters plasticizer.
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| CN201410257320.5A CN105295271B (en) | 2014-06-11 | 2014-06-11 | A kind of heat-resisting high transparency CPVC compositions |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105693955A (en) * | 2016-04-19 | 2016-06-22 | 叶青 | High-temperature-resistant chlorinated polyvinyl chloride pipe |
| CN105838005B (en) * | 2016-06-15 | 2017-12-12 | 潘海云 | A kind of composite plastic pipe and its preparation technology |
| CN107739489A (en) * | 2017-10-31 | 2018-02-27 | 杭州电化新材料有限公司 | The preparation method of the CPVC blend compositions of high thermal stability |
| CN108587012A (en) * | 2018-04-04 | 2018-09-28 | 芜湖捷欧汽车部件有限公司 | A kind of automotive trim PVC backplates |
| CN110261952A (en) * | 2019-08-02 | 2019-09-20 | 广州希恩朋克光电产品股份有限公司 | A kind of light guide plate and preparation method thereof |
| CN111040344A (en) * | 2019-12-31 | 2020-04-21 | 永川区嵘鑫塑料厂 | Antistatic heat-resistant high-transparency PVC/CPVC alloy pipe and preparation method thereof |
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| CN103068902A (en) * | 2010-08-20 | 2013-04-24 | 株式会社Adeka | Vinyl chloride resin composition |
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| CN102459070A (en) * | 2009-05-15 | 2012-05-16 | 昭岛化学工业株式会社 | A perchlorate solution improved in safety, and a method for heat-stabilizing chlorine-containing resin compositions |
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