CN104559130A - TPU (thermoplastic polyurethane) mobile phone protective case and preparation method thereof - Google Patents
TPU (thermoplastic polyurethane) mobile phone protective case and preparation method thereof Download PDFInfo
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- CN104559130A CN104559130A CN201410695757.7A CN201410695757A CN104559130A CN 104559130 A CN104559130 A CN 104559130A CN 201410695757 A CN201410695757 A CN 201410695757A CN 104559130 A CN104559130 A CN 104559130A
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Abstract
The invention relates to a TPU (thermoplastic polyurethane) mobile phone protective case and a preparation method thereof. The TPU mobile phone protective case is composed of the following components in parts by weight: 45-55 parts of thermoplastic elastomer, 25-30 parts of styrene-butadiene-styrene block copolymer, 25-30 parts of styrene-isoprene-styrene block copolymer, 12-26 parts of polyadipic acid-ethylene glycol butanediol ester dibasic alcohol, 6-13 parts of polyadipic acid-glycol ester dibasic alcohol, 1-6 parts of styrene elastomer, 4-12 parts of thermoplastic vulcanized rubber, 5-15 parts of 1,3-diphenyl-1,3-propanedione and 8-15 parts of paraffin. The TPU mobile phone protective case has the advantages of environment friendliness, no pollution, favorable toughness, favorable earthquake resistance and favorable wear resistance.
Description
Technical field
A kind of TPU mobile phone protective cover of the present invention and preparation method thereof.
Background technology
Along with popularizing of mobile phone; the requirement of people to mobile phone protective cover is also more and more higher; pollution-free, antidetonation, wear-resisting be exactly wherein very important index; present mobile phone protective cover employs a large amount of softening agent aborning; dimethyl formamide (DMF), not only not environmentally but also desirable mobile phone protective cover can not be produced.
Summary of the invention
The object of the invention is to overcome defect of the prior art, provide a kind of TPU mobile phone protective cover and preparation method thereof, environment friendly and pollution-free, good toughness, antidetonation, wear resisting property are good.
The present invention is achieved by the following technical programs.
A kind of TPU mobile phone protective cover, its composition is counted as follows by weight:
Above-mentioned a kind of TPU mobile phone protective cover, wherein, preferably, its moiety is counted as follows by weight:
Above-mentioned a kind of TPU mobile phone protective cover, wherein, the ratio of weight and number of described styrene-butadiene-styrene block copolymer and styrene isoprene styrene block copolymer (SIS) is 1:1.
Above-mentioned a kind of TPU mobile phone protective cover, wherein, the ratio of weight and number of poly-hexanodioic acid-ethylene glycol butanediol ester dibasic alcohol and poly-hexanodioic acid-glycol ester dibasic alcohol is 2:1.
A preparation method for TPU mobile phone protective cover, its method steps is as follows:
A, by weight claimed range, weigh each composite material.
B, by thermoplastic elastomer, styrene-butadiene-styrene block copolymer, styrene isoprene styrene block copolymer (SIS), poly-hexanodioic acid-ethylene glycol butanediol ester dibasic alcohol, with poly-hexanodioic acid-glycol ester dibasic alcohol, styrenic elastomer mixing and stirring, whipping temp is 80 DEG C, churning time is 40-70min, add thermoplastic sulfurized rubber, 1 again, 3-diphenylpropane-1，3-dione, paraffin stir 20-30min and obtain elementary material at the temperature of 90 DEG C;
C, elementary material is added oven for drying, bake out temperature is 120 ~ 180 DEG C, drying 6-10h makes elementary material be solidified into bulk material, take out and put into 85-95 DEG C of curing chamber post curing 12-16 hour, after slaking, diameter is become to be about the dead small of 1-2cm by crusher in crushing bulk material again, shaping finally by Single screw extrusion.
Beneficial effect of the present invention is: the present invention is according to the characteristic of starting material self, and carry out segmentation gradation formula and be uniformly mixed, the finished product obtained is environment friendly and pollution-free, good toughness, and antidetonation, wear resisting property are good.
Embodiment
Below by way of specific embodiment, the specific embodiment of the present invention is described in further detail.
Embodiment one:
A preparation method for TPU mobile phone protective cover, its method steps is as follows:
A, require to take respectively by weight:
B, by thermoplastic elastomer, styrene-butadiene-styrene block copolymer, styrene isoprene styrene block copolymer (SIS), poly-hexanodioic acid-ethylene glycol butanediol ester dibasic alcohol, with poly-hexanodioic acid-glycol ester dibasic alcohol, styrenic elastomer mixing and stirring, whipping temp is 80 DEG C, churning time is 60min, add thermoplastic sulfurized rubber, 1 again, 3-diphenylpropane-1，3-dione, paraffin stir 20min and obtain elementary material at the temperature of 90 DEG C;
C, elementary material is added oven for drying, bake out temperature is 140 DEG C, drying 8h makes elementary material be solidified into bulk material, take out and put into 90 DEG C of curing chamber post curings 13 hours, after slaking, diameter is become to be about the dead small of 1.2cm by crusher in crushing bulk material again, shaping finally by Single screw extrusion.
Embodiment two:
A preparation method for TPU mobile phone protective cover, its method steps is as follows:
A, require to take respectively by weight:
B, by thermoplastic elastomer, styrene-butadiene-styrene block copolymer, styrene isoprene styrene block copolymer (SIS), poly-hexanodioic acid-ethylene glycol butanediol ester dibasic alcohol, with poly-hexanodioic acid-glycol ester dibasic alcohol, styrenic elastomer mixing and stirring, whipping temp is 80 DEG C, churning time is 60min, add thermoplastic sulfurized rubber, 1 again, 3-diphenylpropane-1，3-dione, paraffin stir 20min and obtain elementary material at the temperature of 90 DEG C;
C, elementary material is added oven for drying, bake out temperature is 140 DEG C, drying 8h makes elementary material be solidified into bulk material, take out and put into 90 DEG C of curing chamber post curings 13 hours, after slaking, diameter is become to be about the dead small of 1.2cm by crusher in crushing bulk material again, shaping finally by Single screw extrusion.
Embodiment three
A preparation method for TPU mobile phone protective cover, its method steps is as follows:
A, require to take respectively by weight:
B, by thermoplastic elastomer, styrene-butadiene-styrene block copolymer, styrene isoprene styrene block copolymer (SIS), poly-hexanodioic acid-ethylene glycol butanediol ester dibasic alcohol, with poly-hexanodioic acid-glycol ester dibasic alcohol, styrenic elastomer mixing and stirring, whipping temp is 80 DEG C, churning time is 60min, add thermoplastic sulfurized rubber, 1 again, 3-diphenylpropane-1，3-dione, paraffin stir 20min and obtain elementary material at the temperature of 90 DEG C;
C, elementary material is added oven for drying, bake out temperature is 140 DEG C, drying 8h makes elementary material be solidified into bulk material, take out and put into 90 DEG C of curing chamber post curings 13 hours, after slaking, diameter is become to be about the dead small of 1.2cm by crusher in crushing bulk material again, shaping finally by Single screw extrusion.
The mobile phone protective cover now obtained three groups of embodiments and the obtained mobile phone protective cover (comparative group) of conventional material carry out Experimental comparison, and experimental data is as follows:
Here description of the invention and application is illustrative, not wants by scope restriction of the present invention in the above-described embodiments, and therefore, the present invention is not by the restriction of the present embodiment, and the technical scheme that any employing equivalence replacement obtains is all in the scope of protection of the invention.
Claims (5)
1. a TPU mobile phone protective cover, is characterized by, and its composition is counted as follows by weight:
Thermoplastic elastomer 45-55 part
Styrene-butadiene-styrene block copolymer 25-30 part
Styrene isoprene styrene block copolymer (SIS) 25-30 part
Poly-hexanodioic acid-ethylene glycol butanediol ester dibasic alcohol 12-26 part
Poly-hexanodioic acid-glycol ester dibasic alcohol 6-13 part
Styrenic elastomer 1-6 part
Thermoplastic sulfurized rubber 4-12 part
1,3-diphenylpropane-1，3-dione 5-15 part
Paraffin 8-15 part.
2. a kind of TPU mobile phone protective cover as claimed in claim 1, is characterized by, and preferably, its moiety is counted as follows by weight:
Thermoplastic elastomer 50 parts
Styrene-butadiene-styrene block copolymer 27 parts
Styrene isoprene styrene block copolymer (SIS) 27 parts
Poly-hexanodioic acid-ethylene glycol butanediol ester dibasic alcohol 18 parts
Poly-hexanodioic acid-glycol ester dibasic alcohol 9 parts
Styrenic elastomer 3 parts
Thermoplastic sulfurized rubber 8 parts
1,3-diphenylpropane-1，3-dione 10 parts
12 parts, paraffin.
3. a kind of TPU mobile phone protective cover as claimed in claim 1 or 2, is characterized by, and the ratio of weight and number of described styrene-butadiene-styrene block copolymer and styrene isoprene styrene block copolymer (SIS) is 1:1.
4. a kind of TPU mobile phone protective cover as claimed in claim 1 or 2, is characterized by, and the ratio of weight and number of poly-hexanodioic acid-ethylene glycol butanediol ester dibasic alcohol and poly-hexanodioic acid-glycol ester dibasic alcohol is 2:1.
5. a preparation method for TPU mobile phone protective cover, is characterized by, and its method steps is as follows:
A, by weight claimed range, weigh each composite material;
B, by thermoplastic elastomer, styrene-butadiene-styrene block copolymer, styrene isoprene styrene block copolymer (SIS), poly-hexanodioic acid-ethylene glycol butanediol ester dibasic alcohol, with poly-hexanodioic acid-glycol ester dibasic alcohol, styrenic elastomer mixing and stirring, whipping temp is 80 DEG C, churning time is 40-70min, add thermoplastic sulfurized rubber, 1 again, 3-diphenylpropane-1，3-dione, paraffin stir 20-30min and obtain elementary material at the temperature of 90 DEG C;
C, elementary material is added oven for drying, bake out temperature is 120 ~ 180 DEG C, drying 6-10h makes elementary material be solidified into bulk material, take out and put into 85-95 DEG C of curing chamber post curing 12-16 hour, after slaking, diameter is become to be about the dead small of 1-2cm by crusher in crushing bulk material again, shaping finally by Single screw extrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410695757.7A CN104559130A (en) | 2014-11-26 | 2014-11-26 | TPU (thermoplastic polyurethane) mobile phone protective case and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410695757.7A CN104559130A (en) | 2014-11-26 | 2014-11-26 | TPU (thermoplastic polyurethane) mobile phone protective case and preparation method thereof |
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| CN104559130A true CN104559130A (en) | 2015-04-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105482440A (en) * | 2016-01-11 | 2016-04-13 | 东莞宏骆模具塑胶制品有限公司 | Shock-absorption TPE (thermal plastic elastomer) colloidal particles, production method of colloidal particles and mobile phone protection case using colloidal particles |
| CN114316189A (en) * | 2022-01-11 | 2022-04-12 | 中国科学院长春应用化学研究所 | Impact-resistant protective thermoplastic polyurethane material and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101087851A (en) * | 2004-12-24 | 2007-12-12 | 克雷顿聚合物研究公司 | High melt strength thermoplastic elastomer composition |
| CN101772549A (en) * | 2007-08-10 | 2010-07-07 | 拜尔材料科学有限公司 | Thermoplastic polyurethane copolymer molding compositions |
| CN102260367A (en) * | 2010-05-28 | 2011-11-30 | 上海恒安实业有限公司 | Thermoplastic polyurethane elastomer and preparation method thereof |
| CN103665302A (en) * | 2013-11-13 | 2014-03-26 | 江苏绿艳高分子材料有限公司 | Special material for TPU (Thermoplastic Polyurethane) female garden shoes and preparation method thereof |
-
2014
- 2014-11-26 CN CN201410695757.7A patent/CN104559130A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101087851A (en) * | 2004-12-24 | 2007-12-12 | 克雷顿聚合物研究公司 | High melt strength thermoplastic elastomer composition |
| CN101772549A (en) * | 2007-08-10 | 2010-07-07 | 拜尔材料科学有限公司 | Thermoplastic polyurethane copolymer molding compositions |
| CN102260367A (en) * | 2010-05-28 | 2011-11-30 | 上海恒安实业有限公司 | Thermoplastic polyurethane elastomer and preparation method thereof |
| CN103665302A (en) * | 2013-11-13 | 2014-03-26 | 江苏绿艳高分子材料有限公司 | Special material for TPU (Thermoplastic Polyurethane) female garden shoes and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105482440A (en) * | 2016-01-11 | 2016-04-13 | 东莞宏骆模具塑胶制品有限公司 | Shock-absorption TPE (thermal plastic elastomer) colloidal particles, production method of colloidal particles and mobile phone protection case using colloidal particles |
| CN114316189A (en) * | 2022-01-11 | 2022-04-12 | 中国科学院长春应用化学研究所 | Impact-resistant protective thermoplastic polyurethane material and preparation method thereof |
| CN114316189B (en) * | 2022-01-11 | 2022-11-01 | 中国科学院长春应用化学研究所 | Impact-resistant protective thermoplastic polyurethane material and preparation method thereof |
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