CN105037924A - Plastic raw material - Google Patents
Plastic raw material Download PDFInfo
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- CN105037924A CN105037924A CN201510309502.7A CN201510309502A CN105037924A CN 105037924 A CN105037924 A CN 105037924A CN 201510309502 A CN201510309502 A CN 201510309502A CN 105037924 A CN105037924 A CN 105037924A
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a plastic raw material. The technical scheme is as follows: the plastic raw material comprises the following components in parts by weight: 70-80 parts of PP (polypropylene), 15-21 parts of PE (polyethylene), 2-8 parts of POE (polyolefin elastomer), 0.5-2 parts of composite photodiffusion agent and 1-3 parts of assistant. The plastic raw material disclosed by the invention solves the problems of low transparency, difficulty in demolding and poor toughness in the container prepared from the existing plastic raw material.
Description
Technical field
The present invention relates to a kind of composition of raw materials, in particular, it relates to a kind of plastic material.
Background technology
Each field in the plastic cement part widespread use modern life, such as household electrical appliance, instrument, electric wire, construction equipment, communication electronics, automotive industry, space flight and aviation, haberdashery and hardware, transport container etc.The housing etc. of used here some such as Turnover Box, pallet, household electrical appliance is all made up of plastic material.
Plastic material: be major ingredient by high molecular synthetic resin (polymkeric substance), infiltrate various auxiliary material or additive, at specified temp, under pressure, there is plasticity-and mobility, can definite shape be molded as, and keep the material of shape invariance under certain condition.
The article such as the Turnover Box that existing plastic material is made, the packaging for article such as some medicine, electronic machines had, require that there is good transparent sharpness, but the transparent sharpness of the containers such as the Turnover Box made of existing plastic material is bad, causes seeing the article in container clearly.Secondly, also there is the situation of the not easily demoulding in existing plastic material, causes container to produce when the demoulding and between mould gluing together or the problem such as scratch, and then affect its transparent sharpness.Moreover the container of these Turnover Box classes needs the transport for article, so its tough sexual needs are better, and the container poor toughness that some plastic materials are made, cause container easily to break, be damaged, its work-ing life is short.
Summary of the invention
For the deficiency that prior art exists, the object of the present invention is to provide a kind of plastic material, the container that this plastic material is made has good transparent sharpness, the easily demoulding and good toughness.
For achieving the above object, the invention provides following technical scheme: a kind of plastic material, comprises according to parts by weight: 70-80 part PP, 15-21 part PE, 2-8 part POE, 0.5-2 part complex light diffusant and 1-3 part auxiliary agent.
Preferably, described POE is the superpolymer of ethene and butylene.
Preferably, described complex light diffusant is silicone resin type, organosilicone elastic build, PMMA resin type, PS resin type, acrylate resin type, barium sulfate, calcium carbonate, type silicon oxide, titanium oxide type or alumina type.
Preferably, described auxiliary agent comprises at least one in toughner, fire retardant, oxidation inhibitor, anti UV agent, whitening agent, toner.
Preferably, described toughner is phthalic ester, fatty group dibasic acid or phosphoric acid ester or clorafin.
Preferably, described fire retardant is for comprising organic silicon fibre retardant 10 parts and polycarbonate 90 parts.
Preferably, the content of described PP is 75 parts, and the content of described PE is 18 parts, and the content of described POE is 5 parts, and the content of described complex light diffusant is 1 part, and the content of described auxiliary agent is 1 part.
Preferably, preparation process is as follows: first each component raw material to be put in high mixer co-blended 30 minutes by S1; Then S1 gained mixture adds in twin screw extruder by S2, and extruding processing temperature is 220 DEG C ~ 300 DEG C, screw speed 300rpm ~ 650rpm; S3 delivers to tablets press after being cooled by the extrudate of S2 gained and makes finished product.
The present invention has following advantage: the container that plastic material of the present invention is made has good transparent sharpness, the easily demoulding and the effect of good toughness.Be embodied in: PP has higher shock-resistance, and mechanical properties is tough, anti-multiple organic solvent and acid and alkali corrosion; Its molar mass is comparatively large, and MFR is less than 0.5g/10min; Tie molecule is many, and the ability of Anticrack is strong; Molar mass distribution is wider, for bimodal shape distributes, is convenient to processing; Adopt ethene or other alhpa olefin copolymerization, better shock resistance is provided.PE has excellent environmental stress cracking resistance and electrical insulating property, higher resistance toheat, anti-impact and puncture performance etc.The toughness of the existing excellence of POE has again good processibility; There is no unsaturated double-bond in POE plastic molecules structure, there is excellent ageing-resistant performance; Good mobility can improve the dispersion effect of filler, also can improve the weld mark strength of goods simultaneously.When three has good transparent sharpness, the easily demoulding and the effect of good toughness by the container that above component is mixed, and complex light diffusant can increase its transparent sharpness.Auxiliary agent can increase the degrees of fusion between each component and increase some new performances.
Embodiment
Embodiment one: a kind of plastic material, comprises according to parts by weight: 70 parts of PP, 21 parts of PE, 7.5 parts of POE, 0.5 part of complex light diffusant and 1 part of auxiliary agent.PP has higher shock-resistance, and mechanical properties is tough, anti-multiple organic solvent and acid and alkali corrosion; Its molar mass is comparatively large, and MFR is less than 0.5g/10min; Tie molecule is many, and the ability of Anticrack is strong; Molar mass distribution is wider, for bimodal shape distributes, is convenient to processing; Adopt ethene or other alhpa olefin copolymerization, better shock resistance is provided.PE has excellent environmental stress cracking resistance and electrical insulating property, higher resistance toheat, anti-impact and puncture performance etc.The toughness of the existing excellence of POE has again good processibility; There is no unsaturated double-bond in POE plastic molecules structure, there is excellent ageing-resistant performance; Good mobility can improve the dispersion effect of filler, also can improve the weld mark strength of goods simultaneously.When three has good transparent sharpness, the easily demoulding and the effect of good toughness by the container that above component is mixed, and complex light diffusant can increase its transparent sharpness.Auxiliary agent can increase the degrees of fusion between each component and increase some new performances.
Wherein, auxiliary agent comprises at least one in toughner, fire retardant, oxidation inhibitor, anti UV agent, whitening agent, toner, and its proportioning can coordinate arbitrarily according to specific product.The toughness of the container that this plastic material is made can be increased by toughner, increase the structural strength of container, avoid being destroyed; The flame retardant resistance of the container that this plastic material is made can be increased by fire retardant, improve the use properties of container, avoid spontaneous combustion or by the phenomenon of firing; The antioxidant of the container that this plastic material is made can be increased by oxidation inhibitor, suppress or delay plastics in manufacture, processing, application and storage, because of being heated, light, mechanical stress, electric field, the plastics caused by factor such as heavy metal ion contained by radiation and additive and the bad effect of products appearance and internal performance; The anti-ultraviolet property of the container that this plastic material is made can be increased by anti UV agent, avoid product rapid ageing, and then increase its work-ing life; The whitening performance of the container that this plastic material is made can be increased by whitening agent; The color diversity of the container that this plastic material is made can be increased by toner.
Wherein, fire retardant is for comprising organic silicon fibre retardant 10 parts and polycarbonate 90 parts.Adopt two one-step forming methods, first organic silicon fibre retardant and polycarbonate are made fire-retardant master granule, second step is again by fire-retardant master granule and PC resin, auxiliary flame retardant, light diffusing agent, oxidation inhibitor, lubricant and other auxiliary agent blending extrusions.Very big so also play fire retardant high efficiency and the transparency, namely when not affecting material transmissivity and mist degree, impart the flame retardant properties that material is good.
Complex light diffusant is silicone resin type, organosilicone elastic build, PMMA resin type, PS resin type, acrylate resin type, barium sulfate, calcium carbonate, type silicon oxide, titanium oxide type or alumina type.In the present embodiment, complex light diffusant adopts organic silicon type and the collocation of heat-resisting PMMA type to use, and when keeping high transmission rate, effectively improves spread angle and the mist degree of material.
The specific refractory power of the specific refractory power of organic silicon type light diffusing agent to be the specific refractory power of 1.43, PMMA type light diffusing agent be 1.49, PC type light diffusing agent is 1.59, as single use organic silicon type light diffusing agent, then hiding rare is excessively strong, and the transmittance of material is on the low side, optical throughput is little, and light efficiency is low, as single use PMMA type light diffusing agent, then opacifying power is on the weak side, though optical throughput is large, light efficiency is high, and spread angle is on the low side, the luminous irregular phenomenon of easy appearance, during lighting, local there will be shade.Namely the present invention is the relative merits combining the two, when ensureing high transmission rate, improving spread angle and the mist degree of material, eliminating shade phenomenon, make intensity of illumination distribution more even, soft.
Secondly, POE is the superpolymer of ethene and butylene, does not have unsaturated double-bond in its molecular structure, has excellent ageing-resistant performance; Good mobility can improve the dispersion effect of filler, also can improve the weld mark strength of goods simultaneously.When three has good transparent sharpness, the easily demoulding and the effect of good toughness by the container that above component is mixed.
Moreover toughner is phthalic ester, fatty group dibasic acid or phosphoric acid ester or clorafin, it has enhancing elasticity, transparency, wearing quality and the feature in work-ing life.
The preparation process of this plastic material is as follows: first each component raw material to be put in high mixer co-blended 30 minutes by S1; Then S1 gained mixture adds in twin screw extruder by S2, and extruding processing temperature is 220 DEG C ~ 300 DEG C, screw speed 300rpm ~ 650rpm; Cooled extrudate is delivered to tablets press and is made finished product by S3.The container be made up of this plastic material or other products have good transparent sharpness, the easily demoulding and the effect of good toughness.
Embodiment two: a kind of plastic material, is with the difference of embodiment one, comprises according to parts by weight: 70 parts of PP, 21 parts of PE, 4 parts of POE, 2 parts of complex light diffusants and 3 parts of auxiliary agents.
Embodiment three: a kind of plastic material, is with the difference of embodiment one, comprises according to parts by weight: 80 parts of PP, 15 parts of PE, 2 parts of POE, 1 part of complex light diffusant and 2 parts of auxiliary agents.
Embodiment four: a kind of plastic material, is with the difference of embodiment one, comprises according to parts by weight: 70 parts of PP, 20 parts of PE, 8 parts of POE, 1 part of complex light diffusant and 1 part of auxiliary agent.
Embodiment five: a kind of plastic material, is with the difference of embodiment one, comprises according to parts by weight: the content of PP is 75 parts, and the content of PE is 18 parts, and the content of POE is 5 parts, and the content of complex light diffusant is 1 part, and the content of auxiliary agent is 1 part.
The performance index of each embodiment experiment are as shown in the table above, wherein: transmittance refers to the percentage of optical throughput through transparent or semitransparent body and its incident flux; Demoulding good rate refers to every 1000 demouldings experiment, the ratio wherein shared by the demoulding excellent (with not having product that is bonding or that rub between mould); Toughness impact value (j/m) size represents.
| Performance index | Embodiment one | Embodiment two | Embodiment three | Embodiment four | Embodiment five |
| Transmittance (%) | 83 | 82 | 80 | 85 | 87 |
| Demoulding good rate (%) | 98．1 | 98．3 | 98．6 | 99．5 | 99．8 |
| Toughness (j/m) | 210 | 230 | 215 | 233 | 253 |
By upper Biao Ke get, in above each embodiment, the property indices that embodiment five has is best, so the preferred embodiment of the present invention five is as most preferred embodiment.
The above is only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, and all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. a plastic material, is characterized in that: comprise according to parts by weight: 70-80 part PP, 15-21 part PE, 2-8 part POE, 0.5-2 part complex light diffusant and 1-3 part auxiliary agent.
2. plastic material according to claim 1, is characterized in that: described POE is the superpolymer of ethene and butylene.
3. plastic material according to claim 1, is characterized in that: described complex light diffusant is silicone resin type, organosilicone elastic build, PMMA resin type, PS resin type, acrylate resin type, barium sulfate, calcium carbonate, type silicon oxide, titanium oxide type or alumina type.
4. plastic material according to claim 1, is characterized in that: described auxiliary agent comprises at least one in toughner, fire retardant, oxidation inhibitor, anti UV agent, whitening agent, toner.
5. plastic material according to claim 4, is characterized in that: described toughner is phthalic ester, fatty group dibasic acid or phosphoric acid ester or clorafin.
6. plastic material according to claim 4, is characterized in that: described fire retardant is for comprising organic silicon fibre retardant 10 parts and polycarbonate 90 parts.
7. plastic material as claimed in any of claims 1 to 6, it is characterized in that: the content of described PP is 75 parts, the content of described PE is 18 parts, and the content of described POE is 5 parts, the content of described complex light diffusant is 1 part, and the content of described auxiliary agent is 1 part.
8. plastic material according to claim 1, is characterized in that: preparation process is as follows: first each component raw material to be put in high mixer co-blended 30 minutes by S1; Then S1 gained mixture adds in twin screw extruder by S2, and extruding processing temperature is 220 DEG C ~ 300 DEG C, screw speed 300rpm ~ 650rpm; S3 delivers to tablets press after being cooled by the extrudate of S2 gained and makes finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510309502.7A CN105037924A (en) | 2015-06-09 | 2015-06-09 | Plastic raw material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510309502.7A CN105037924A (en) | 2015-06-09 | 2015-06-09 | Plastic raw material |
Publications (1)
| Publication Number | Publication Date |
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| CN105037924A true CN105037924A (en) | 2015-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510309502.7A Pending CN105037924A (en) | 2015-06-09 | 2015-06-09 | Plastic raw material |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105860478A (en) * | 2016-04-27 | 2016-08-17 | 张静 | Preparation method of polycarbonate photodiffusion material |
| CN106832859A (en) * | 2017-01-22 | 2017-06-13 | 江苏欣润塑胶有限公司 | A kind of plastic material |
| CN109486019A (en) * | 2018-12-20 | 2019-03-19 | 重庆颖锋兴瑞光电科技有限公司 | A kind of anti-retraction PP diffuser plate |
| CN109486041A (en) * | 2018-11-01 | 2019-03-19 | 广东基地光电有限公司 | A kind of fire-retardant PP diffuser plate and preparation method thereof |
| CN109734985A (en) * | 2018-12-27 | 2019-05-10 | 常州市福欧车辆配件有限公司 | Macromolecule composite foot pad preparation method |
| CN111019238A (en) * | 2018-10-10 | 2020-04-17 | 中国石油化工股份有限公司 | Polypropylene composition for lamps and preparation method thereof |
| CN112226062A (en) * | 2020-10-15 | 2021-01-15 | 厦门恒美达工贸有限公司 | Plastic raw material with stone-like effect and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105860478A (en) * | 2016-04-27 | 2016-08-17 | 张静 | Preparation method of polycarbonate photodiffusion material |
| CN106832859A (en) * | 2017-01-22 | 2017-06-13 | 江苏欣润塑胶有限公司 | A kind of plastic material |
| CN111019238A (en) * | 2018-10-10 | 2020-04-17 | 中国石油化工股份有限公司 | Polypropylene composition for lamps and preparation method thereof |
| CN111019238B (en) * | 2018-10-10 | 2022-12-27 | 中国石油化工股份有限公司 | Polypropylene composition for lamps and preparation method thereof |
| CN109486041A (en) * | 2018-11-01 | 2019-03-19 | 广东基地光电有限公司 | A kind of fire-retardant PP diffuser plate and preparation method thereof |
| CN109486019A (en) * | 2018-12-20 | 2019-03-19 | 重庆颖锋兴瑞光电科技有限公司 | A kind of anti-retraction PP diffuser plate |
| CN109486019B (en) * | 2018-12-20 | 2021-03-02 | 重庆颖锋兴瑞光电科技有限公司 | Prevent PP diffuser plate that contracts backward |
| CN109734985A (en) * | 2018-12-27 | 2019-05-10 | 常州市福欧车辆配件有限公司 | Macromolecule composite foot pad preparation method |
| CN112226062A (en) * | 2020-10-15 | 2021-01-15 | 厦门恒美达工贸有限公司 | Plastic raw material with stone-like effect and preparation method thereof |
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