CN105218921A - A kind of Mobile phone screen installation cushioning material - Google Patents
A kind of Mobile phone screen installation cushioning material Download PDFInfo
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- CN105218921A CN105218921A CN201510641957.9A CN201510641957A CN105218921A CN 105218921 A CN105218921 A CN 105218921A CN 201510641957 A CN201510641957 A CN 201510641957A CN 105218921 A CN105218921 A CN 105218921A
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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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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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
- C08L25/00—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 an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/06—Polystyrene
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- 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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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
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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
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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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- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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Abstract
The invention discloses a kind of Mobile phone screen installation cushioning material, its raw material comprises by weight: modified polyvinyl resin 80-120 part, polystyrene resin 20-60 part, chloroprene rubber 5-15 part, silicon rubber 2-8 part, aluminium hydroxide 1-5 part, zinc oxide 2-6 part, stearic acid 3-8 part, PE Foam 1-4 part, polyvinyl alcohol 2-8 part, glycerine 4-9 part, poly(lactic acid) 3-7 part, white carbon black fire retardant 1-5 part, toughner 1-4 part, toughener 2-5 part, promotor 2-6 part, whipping agent 2-5 part, KH-570 silane coupling agent 3-9 part.Mobile phone screen installation cushioning material hardness of the present invention is high, good toughness, good buffer effect.
Description
Technical field
The present invention relates to a kind of cushioning material, particularly relate to a kind of Mobile phone screen installation cushioning material.
Background technology
Porous plastics becomes widely used cushioning material in modern age due to its good shock-absorbing capacity and absorbing performance.Porous plastics has that lightweight, easy processing, protective value are good, wide adaptability, the advantage such as good and cheap, but also also exists that volume is large, waste weathering, burning disposal can not can produce the shortcomings such as obnoxious flavour.When, nature scarcity of resources serious in environmental pollution, the harm of porous plastics to environment causes the very big attention of people.Although the plastics of degraded have been developed in the development along with science and technology, this plastics are expensive, and the conditional request of process is strict, and can not absolutely degrade, and therefore applying on a large scale of this degradable plastics is restricted.So, porous plastics will gradually substitute by other environmental protection cushioning material
At present, Mobile phone screen needs when installation to install one deck cushioning material at the joining place of Mobile phone screen and handset, realizes the shock absorption to Mobile phone screen.The shock-absorbing capacity of cushioning material of the prior art, toughness, hardness and resistance toheat all cannot meet the demand of actual use, therefore need the Mobile phone screen installation cushioning material of exploitation a kind of high rigidity, high tenacity and high heat resistance badly.
Summary of the invention
For solving the technical problem existed in background technology, the present invention proposes a kind of Mobile phone screen installation cushioning material, and hardness is high, good toughness, good buffer effect.
A kind of Mobile phone screen installation cushioning material that the present invention proposes, its raw material comprises by weight: modified polyvinyl resin 80-120 part, polystyrene resin 20-60 part, chloroprene rubber 5-15 part, silicon rubber 2-8 part, aluminium hydroxide 1-5 part, zinc oxide 2-6 part, stearic acid 3-8 part, PE Foam 1-4 part, polyvinyl alcohol 2-8 part, glycerine 4-9 part, poly(lactic acid) 3-7 part, white carbon black fire retardant 1-5 part, toughner 1-4 part, toughener 2-5 part, promotor 2-6 part, whipping agent 2-5 part, KH-570 silane coupling agent 3-9 part.
Preferably, modified polyvinyl resin is prepared by following technique: polyvinyl resin, dehydrated alcohol and carbon nanotube are mixed and obtain material a, material a is put into pulverizer pulverization process, vacuum drying treatment obtains material b; Then after being pulverized by vegetable fibre, material b mixes, and then adds water and KH-550 silane coupling agent and stir and obtain modified polyvinyl resin.
Preferably, modified polyvinyl resin is prepared by following technique: polyvinyl resin, dehydrated alcohol and carbon nanotube are mixed, be warming up to 80-90 DEG C, insulation 1-3h, do not stop in the process of insulation to stir, obtain material a after being cooled to room temperature, by material a in 70-90 DEG C of dry 3-5h, put into pulverizer pulverization process, vacuum drying treatment obtains material b; Then after being pulverized by vegetable fibre, material b mix, and then adds water and KH-550 silane coupling agent stirs, and is warming up to 120-130 DEG C, is incubated 1-3h, is cooled to room temperature and obtains modified polyvinyl resin.
Preferably, in the preparation technology of modified polyvinyl resin, the weight ratio of polyvinyl resin, dehydrated alcohol, carbon nanotube, vegetable fibre, water and KH-550 silane coupling agent is 30-60:10-30:5-15:2-8:4-9:2-8.
Preferably, the weight ratio of modified polyvinyl resin, polystyrene resin, chloroprene rubber and silicon rubber is 85-115:25-55:8-12:3-7.
Preferably, the weight ratio of aluminium hydroxide, zinc oxide, stearic acid, PE Foam, polyvinyl alcohol and glycerine is 2-4:3-5:4-7:2-3:3-7:5-8.
Preferably, the weight ratio of poly(lactic acid), white carbon black fire retardant, toughner and toughener is 4-6:2-4:2-3:3-4.
Preferably, its raw material comprises by weight: modified polyvinyl resin 85-115 part, polystyrene resin 25-55 part, chloroprene rubber 8-12 part, silicon rubber 3-7 part, aluminium hydroxide 2-4 part, zinc oxide 3-5 part, stearic acid 4-7 part, PE Foam 2-3 part, polyvinyl alcohol 3-7 part, glycerine 5-8 part, poly(lactic acid) 4-6 part, promotor 3-5 part, white carbon black fire retardant 2-4 part, toughner 2-3 part, toughener 3-4 part, whipping agent 3-4 part, KH-570 silane coupling agent 4-8 part.
A kind of Mobile phone screen installation cushioning material that the present invention proposes, its raw material comprises modified polyvinyl resin, polystyrene resin, chloroprene rubber, silicon rubber, aluminium hydroxide, zinc oxide, stearic acid, PE Foam, polyvinyl alcohol, glycerine, poly(lactic acid), promotor, white carbon black fire retardant, toughner, toughener, whipping agent and KH-570 silane coupling agent, wherein, polyvinyl resin is made to have excellent shock-absorbing capacity and toughness by modified polyvinyl resin, auxiliary interpolation polystyrene resin, chloroprene rubber and silicon rubber further increase hardness and the toughness of modified polyvinyl resin, thus effectively improve shock-absorbing capacity and the hardness of Mobile phone screen installation cushioning material of the present invention, the aluminium hydroxide added, zinc oxide, stearic acid and PE Foam are as packing material, the wherein interpolation of aluminium hydroxide and PE Foam, can effectively improve resistance toheat and shock-absorbing capacity, zinc oxide and stearic acid make Mobile phone screen installation cushioning material shaping efficiency of the present invention higher, the polyvinyl alcohol added, glycerine, poly(lactic acid), promotor, white carbon black fire retardant, toughner, toughener, whipping agent and KH-570 silane coupling agent are as auxiliary agent, can effectively improve over-all properties of the present invention, make Mobile phone screen installation cushioning material of the present invention have excellent shock-absorbing capacity.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail; should understand; embodiment is only for illustration of the present invention, instead of for limiting the present invention, any amendment, equivalent replacement etc. made on basis of the present invention is all in protection scope of the present invention.
In embodiment, the weight part of modified polyvinyl resin can be 80 parts, 85 parts, 90 parts, 95 parts, 100 parts, 105 parts, 110 parts, 115 parts, 120 parts; The weight part of polystyrene resin can be 20 parts, 25 parts, 30 parts, 35 parts, 40 parts, 45 parts, 50 parts, 55 parts, 60 parts; The weight part of chloroprene rubber can be 5 parts, 6 parts, 7 parts, 8 parts, 9 parts, 10 parts, 11 parts, 12 parts, 13 parts, 14 parts, 15 parts; The weight part of silicon rubber can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts; The weight part of aluminium hydroxide can be 1 part, 2 parts, 3 parts, 4 parts, 5 parts; The weight part of zinc oxide can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts; Stearic weight part can be 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts, 5.5 parts, 6 parts, 6.5 parts, 7 parts, 7.5 parts, 8 parts; The weight part of PE Foam can be 1 part, 1.5 parts, 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts; The weight part of polyvinyl alcohol can be 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts, 5.5 parts, 6 parts, 6.5 parts, 7 parts, 7.5 parts, 8 parts; The weight part of glycerine can be 4 parts, 4.5 parts, 5 parts, 5.5 parts, 6 parts, 6.5 parts, 7 parts, 7.5 parts, 8 parts, 8.5 parts, 9 parts; The weight part of poly(lactic acid) can be 3 parts, 4 parts, 5 parts, 6 parts, 7 parts; The weight part of white carbon black fire retardant can be 1 part, 2 parts, 3 parts, 4 parts, 5 parts; The weight part of toughner can be 1 part, 1.5 parts, 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts; The weight part of toughener can be 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts; The weight part of promotor can be 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts, 5.5 parts, 6 parts; The weight part of whipping agent can be 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts; The weight part of KH-570 silane coupling agent can be 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts, 9 parts.
Embodiment 1
A kind of Mobile phone screen installation cushioning material that the present invention proposes, its raw material comprises by weight: modified polyvinyl resin 100 parts, polystyrene resin 40 parts, chloroprene rubber 10 parts, 5 parts, silicon rubber, 3 parts, aluminium hydroxide, 4 parts, zinc oxide, stearic acid 5.5 parts, PE Foam 2.5 parts, polyvinyl alcohol 5 parts, glycerine 6.5 parts, poly(lactic acid) 5 parts, white carbon black fire retardant 3 parts, toughner 2.5 parts, toughener 3.5 parts, promotor 4 parts, whipping agent 3.5 parts, KH-570 silane coupling agent 6 parts.
Modified polyvinyl resin is prepared by following technique: 45 parts of polyvinyl resins, 20 parts of dehydrated alcohols and 10 parts of carbon nanotubes are mixed by weight, be warming up to 85 DEG C, insulation 2h, do not stop in the process of insulation to stir, material a is obtained after being cooled to room temperature, by material a in 80 DEG C of dry 4h, put into pulverizer pulverization process, vacuum drying treatment obtains material b; Then after being pulverized 5 parts of vegetable fibres, material b mixs, and then add 6.5 parts of water and 5 parts of KH-550 silane coupling agents stir, and are warming up to 125 DEG C, are incubated 2h, are cooled to room temperature and obtain modified polyvinyl resin.
Embodiment 2
A kind of Mobile phone screen installation cushioning material that the present invention proposes, its raw material comprises by weight: modified polyvinyl resin 80 parts, polystyrene resin 60 parts, chloroprene rubber 5 parts, 8 parts, silicon rubber, 1 part, aluminium hydroxide, 6 parts, zinc oxide, stearic acid 3 parts, PE Foam 4 parts, polyvinyl alcohol 2 parts, glycerine 9 parts, poly(lactic acid) 3 parts, white carbon black fire retardant 5 parts, toughner 1 part, toughener 5 parts, promotor 2 parts, whipping agent 5 parts, KH-570 silane coupling agent 3 parts.
Modified polyvinyl resin is prepared by following technique: 30 parts of polyvinyl resins, 30 parts of dehydrated alcohols and 5 parts of carbon nanotubes are mixed by weight, be warming up to 90 DEG C, insulation 1h, do not stop in the process of insulation to stir, material a is obtained after being cooled to room temperature, by material a in 90 DEG C of dry 3h, put into pulverizer pulverization process, vacuum drying treatment obtains material b; Then after being pulverized 8 parts of vegetable fibres, material b mixs, and then add 4 parts of water and 8 parts of KH-550 silane coupling agents stir, and are warming up to 120 DEG C, are incubated 3h, are cooled to room temperature and obtain modified polyvinyl resin.
Embodiment 3
A kind of Mobile phone screen installation cushioning material that the present invention proposes, its raw material comprises by weight: modified polyvinyl resin 120 parts, polystyrene resin 20 parts, chloroprene rubber 15 parts, 2 parts, silicon rubber, 5 parts, aluminium hydroxide, 2 parts, zinc oxide, stearic acid 8 parts, PE Foam 1 part, polyvinyl alcohol 8 parts, glycerine 4 parts, poly(lactic acid) 7 parts, white carbon black fire retardant 1 part, toughner 4 parts, toughener 2 parts, promotor 6 parts, whipping agent 2 parts, KH-570 silane coupling agent 9 parts.
Modified polyvinyl resin is prepared by following technique: 60 parts of polyvinyl resins, 10 parts of dehydrated alcohols and 15 parts of carbon nanotubes are mixed by weight, be warming up to 80 DEG C, insulation 3h, do not stop in the process of insulation to stir, material a is obtained after being cooled to room temperature, by material a in 70 DEG C of dry 5h, put into pulverizer pulverization process, vacuum drying treatment obtains material b; Then after being pulverized 2 parts of vegetable fibres, material b mixs, and then add 9 parts of water and 2 parts of KH-550 silane coupling agents stir, and are warming up to 130 DEG C, are incubated 1h, are cooled to room temperature and obtain modified polyvinyl resin.
Embodiment 4
A kind of Mobile phone screen installation cushioning material that the present invention proposes, its raw material comprises by weight: modified polyvinyl resin 85 parts, polystyrene resin 55 parts, chloroprene rubber 8 parts, 7 parts, silicon rubber, 2 parts, aluminium hydroxide, 5 parts, zinc oxide, stearic acid 4 parts, PE Foam 3 parts, polyvinyl alcohol 3 parts, glycerine 8 parts, poly(lactic acid) 4 parts, promotor 5 parts, white carbon black fire retardant 2 parts, toughner 3 parts, toughener 3 parts, whipping agent 4 parts, KH-570 silane coupling agent 4 parts.
Modified polyvinyl resin is prepared by following technique: 35 parts of polyvinyl resins, 25 parts of dehydrated alcohols and 8 parts of carbon nanotubes are mixed by weight, be warming up to 88 DEG C, insulation 1.5h, do not stop in the process of insulation to stir, material a is obtained after being cooled to room temperature, by material a in 85 DEG C of dry 3.5h, put into pulverizer pulverization process, vacuum drying treatment obtains material b; Then after being pulverized 7 parts of vegetable fibres, material b mixs, and then add 5 parts of water and 7 parts of KH-550 silane coupling agents stir, and are warming up to 122 DEG C, are incubated 2.5h, are cooled to room temperature and obtain modified polyvinyl resin.
Embodiment 5
A kind of Mobile phone screen installation cushioning material that the present invention proposes, its raw material comprises by weight: modified polyvinyl resin 115 parts, polystyrene resin 25 parts, chloroprene rubber 12 parts, 3 parts, silicon rubber, 4 parts, aluminium hydroxide, 3 parts, zinc oxide, stearic acid 7 parts, PE Foam 2 parts, polyvinyl alcohol 7 parts, glycerine 5 parts, poly(lactic acid) 6 parts, promotor 3 parts, white carbon black fire retardant 4 parts, toughner 2 parts, toughener 4 parts, whipping agent 3 parts, KH-570 silane coupling agent 8 parts.
Modified polyvinyl resin is prepared by following technique: 55 parts of polyvinyl resins, 15 parts of dehydrated alcohols and 12 parts of carbon nanotubes are mixed by weight, be warming up to 82 DEG C, insulation 2.5h, do not stop in the process of insulation to stir, material a is obtained after being cooled to room temperature, by material a in 75 DEG C of dry 4.5h, put into pulverizer pulverization process, vacuum drying treatment obtains material b; Then after being pulverized 3 parts of vegetable fibres, material b mixs, and then add 8 parts of water and 3 parts of KH-550 silane coupling agents stir, and are warming up to 128 DEG C, are incubated 1.5h, are cooled to room temperature and obtain modified polyvinyl resin.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (8)
1. a Mobile phone screen installation cushioning material, it is characterized in that, its raw material comprises by weight: modified polyvinyl resin 80-120 part, polystyrene resin 20-60 part, chloroprene rubber 5-15 part, silicon rubber 2-8 part, aluminium hydroxide 1-5 part, zinc oxide 2-6 part, stearic acid 3-8 part, PE Foam 1-4 part, polyvinyl alcohol 2-8 part, glycerine 4-9 part, poly(lactic acid) 3-7 part, white carbon black fire retardant 1-5 part, toughner 1-4 part, toughener 2-5 part, promotor 2-6 part, whipping agent 2-5 part, KH-570 silane coupling agent 3-9 part.
2. Mobile phone screen installation cushioning material according to claim 1, it is characterized in that, modified polyvinyl resin is prepared by following technique: polyvinyl resin, dehydrated alcohol and carbon nanotube are mixed and obtain material a, material a is put into pulverizer pulverization process, and vacuum drying treatment obtains material b; Then after being pulverized by vegetable fibre, material b mixes, and then adds water and KH-550 silane coupling agent and stir and obtain modified polyvinyl resin.
3. Mobile phone screen installation cushioning material according to claim 1 and 2, it is characterized in that, modified polyvinyl resin is prepared by following technique: polyvinyl resin, dehydrated alcohol and carbon nanotube are mixed, be warming up to 80-90 DEG C, insulation 1-3h, do not stop in the process of insulation to stir, material a is obtained after being cooled to room temperature, by material a in 70-90 DEG C of dry 3-5h, put into pulverizer pulverization process, vacuum drying treatment obtains material b; Then after being pulverized by vegetable fibre, material b mix, and then adds water and KH-550 silane coupling agent stirs, and is warming up to 120-130 DEG C, is incubated 1-3h, is cooled to room temperature and obtains modified polyvinyl resin.
4. the Mobile phone screen installation cushioning material according to any one of claim 1-3, it is characterized in that, in the preparation technology of modified polyvinyl resin, the weight ratio of polyvinyl resin, dehydrated alcohol, carbon nanotube, vegetable fibre, water and KH-550 silane coupling agent is 30-60:10-30:5-15:2-8:4-9:2-8.
5. the Mobile phone screen installation cushioning material according to any one of claim 1-4, is characterized in that, the weight ratio of modified polyvinyl resin, polystyrene resin, chloroprene rubber and silicon rubber is 85-115:25-55:8-12:3-7.
6. the mobile phone screen installation cushioning material according to any one of claim 1-5, is characterized in that, the weight ratio of aluminium hydroxide, zinc oxide, stearic acid, PE Foam, polyvinyl alcohol and glycerine is 2-4:3-5:4-7:2-3:3-7:5-8.
7. the mobile phone screen installation cushioning material according to any one of claim 1-6, is characterized in that, the weight ratio of poly(lactic acid), white carbon black fire retardant, toughner and toughener is 4-6:2-4:2-3:3-4.
8. the mobile phone screen installation cushioning material according to any one of claim 1-7, it is characterized in that, its raw material comprises by weight: modified polyvinyl resin 85-115 part, polystyrene resin 25-55 part, chloroprene rubber 8-12 part, silicon rubber 3-7 part, aluminium hydroxide 2-4 part, zinc oxide 3-5 part, stearic acid 4-7 part, PE Foam 2-3 part, polyvinyl alcohol 3-7 part, glycerine 5-8 part, poly(lactic acid) 4-6 part, promotor 3-5 part, white carbon black fire retardant 2-4 part, toughner 2-3 part, toughener 3-4 part, whipping agent 3-4 part, KH-570 silane coupling agent 4-8 part.
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| CN201510641957.9A CN105218921B (en) | 2015-09-30 | 2015-09-30 | A kind of Mobile phone screen installation padded coaming |
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| CN201510641957.9A CN105218921B (en) | 2015-09-30 | 2015-09-30 | A kind of Mobile phone screen installation padded coaming |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107189728A (en) * | 2017-07-17 | 2017-09-22 | 安徽酷米智能科技有限公司 | A kind of mobile phone screen is installed with thickening padded coaming |
| CN107326244A (en) * | 2017-06-28 | 2017-11-07 | 昆山特酷信息科技有限公司 | A kind of increasing tougheness note-book computer display screen |
| CN107326245A (en) * | 2017-06-28 | 2017-11-07 | 昆山特酷信息科技有限公司 | A kind of desktop computer display screen |
| CN108822465A (en) * | 2017-09-29 | 2018-11-16 | 浙江帝恒实业有限公司 | A kind of fire-retardant heat insulation plate and preparation method thereof |
| CN111471209A (en) * | 2020-06-11 | 2020-07-31 | 合肥市兴烨包装材料有限公司 | Preparation method of EPE pearl cotton for building materials |
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| CN108822465A (en) * | 2017-09-29 | 2018-11-16 | 浙江帝恒实业有限公司 | A kind of fire-retardant heat insulation plate and preparation method thereof |
| CN108822465B (en) * | 2017-09-29 | 2020-12-08 | 彭章义 | Flame-retardant insulation board and preparation method thereof |
| CN111471209A (en) * | 2020-06-11 | 2020-07-31 | 合肥市兴烨包装材料有限公司 | Preparation method of EPE pearl cotton for building materials |
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