CN1063700A - Modified polytrimethylene for tv case - Google Patents
Modified polytrimethylene for tv case Download PDFInfo
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- CN1063700A CN1063700A CN 91107202 CN91107202A CN1063700A CN 1063700 A CN1063700 A CN 1063700A CN 91107202 CN91107202 CN 91107202 CN 91107202 A CN91107202 A CN 91107202A CN 1063700 A CN1063700 A CN 1063700A
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Abstract
The invention provides a kind of modified polytrimethylene for TV case, its component comprises polypropylene 50-70% (weight), tough-increasing agent 3-15% (weight), nucleator 0.1-0.3% (weight), oxidation inhibitor 0.1-0.4% (weight), composite coupler 0.5-3.0% (weight), compounding filler reinforcing agent 20-45% (weight), anti UV agent 0.3-1.0 (weight), this material can replace ABS, the HIPS engineering plastics, and directly use ABS, the injection moulding of HIPS particular manufacturing craft, cost is lower than ABS plastic, its electrical insulating property is good, chemical resistant properties is good, and processing forming is good.
Description
The present invention relates to a kind of polypropylene, particularly relate to a kind of modified polytrimethylene for TV case.
Produce at present traditional material that housing of TV set uses and be ABS plastic (propylene fine-acrylic styrene copolymer), the HIPS(high-impact polystyrene) engineering plastics such as, these material price costlinesses, and output in domestic is very low, the modified polypropene of being reported near mouth Japanese Patent 61-108648 " without the instrument template die material of packing ring " more than 90% is by polypropylene 60-70%, the second third glue 8-12%, talcum powder 20-30%, and oxidation inhibitor, UV light absorber, lubricant, nucleator is formed, this material bending modulus is low, tensile strength is 9.8MPa only, can not be used as housing of TV set.
The object of the present invention is to provide a kind of modified polypropene that can replace engineering plastics, tensile strength height, big can be used for of modulus in flexure such as ABS, HIPS to make housing of TV set.
Modified polytrimethylene for TV case of the present invention, its component comprises polypropylene 50-70%(weight), tough-increasing agent 3-15%(weight), nucleator 0.1-0.3%(weight), oxidation inhibitor 0.1-0.4%(weight), composite coupler 0.5-3.0%(weight), compounding filler reinforcing agent 20-45%(weight), anti UV agent 0.3-1.0%(weight).
Modified polytrimethylene for TV case of the present invention, wherein polypropylene is that melting index is a kind of in the mixture of the mixture of homopolymerization, segmented copolymer of 10-20 or homopolymerization, segmented copolymer and high density polyethylene(HDPE), its proportioning (weight) is respectively, homopolymer/multipolymer /=1/1, homopolymer/multipolymer/high density polyethylene(HDPE) 3/1/1.
Modified polytrimethylene for TV case of the present invention, wherein tough-increasing agent be styrene-butadiene block copolymer (SBS), second third glue (EPR), high density polyethylene(HDPE) (HDPE) respectively with the mixture of SBS or EPR in a kind of.
Modified polytrimethylene for TV case of the present invention, wherein composite coupler comprises magnesium phosphorate, organosilicon, titanic acid ester, compoundly is respectively magnesium phosphorate/organosilicon=5/1-2/1, organosilicon/titanic acid ester/magnesium phosphorate=1/1/4-3/3/4 than (weight).
Modified polytrimethylene for TV case of the present invention, wherein compounding filler reinforcing agent comprises mica, lime carbonate, talcum, compoundly than (weight) is mica/lime carbonate/talcum=10/40/10-40/40/40.
Modified polytrimethylene for TV case of the present invention, wherein nucleator is one or more in phenylformic acid, benzoate, silicon-dioxide, the carboxylate salt etc.
Modified polytrimethylene for TV case of the present invention, wherein oxidation inhibitor is that A1010, A1076, DLTP, DSTP etc., anti UV agent are carbon black, salol class.
The preparation method of modified polytrimethylene for TV case of the present invention is earlier with granulation after polypropylene segment and the tough-increasing agent high-speed mixing, again compounding filler reinforcing agent is mixed with composite coupler, make its coupling agent dispersion moistening fill the toughener surface, at last with polypropylene, oxidation inhibitor, nucleator, the anti UV agent of remainder, and the compounding filler reinforcing agent after the coupling, the above-mentioned pellet that makes be mixed together evenly, then extruding pelletization, make modified polytrimethylene for TV case.
Modified polytrimethylene for TV case of the present invention has good mechanical property, can replace ABS, HIPS to use, and injection moulding housing of TV set under the condition that does not change ABS, HIPS particular manufacturing craft, compare with ABS, have also that cost is low, electrical insulating property good, advantages such as chemical resistance is good, and moulding processability is good.
Describe the embodiment of the invention below in detail.
Embodiment 1:
Prescription:
Polypropylene (homopolymerization/copolymerization/1/1) 60Kg
SBS 5Kg
Phenylformic acid 0.15Kg
A1010 0.2Kg
Magnesium phosphorate/organosilicon (5/1) 1Kg
Mica/lime carbonate/talcum (10/40/10) 35Kg
Carbon black 0.5Kg
With polypropylene and SBS mixing granulation, again mica/lime carbonate/talcum and magnesium phosphorate/organosilicon are mixed, make it fully wetting, then mixture, carbon black and the above-mentioned pellet that makes after the polypropylene of remainder, A1010, phenylformic acid, the coupling are mixed together evenly, after extruding pelletization makes modified polytrimethylene for TV case of the present invention, its performance is as shown in table 1.
Embodiment 2
Prescription:
Polypropylene (the 70Kg of homopolymerization/copolymerization/HDPE=3/1/1)
EPR 10Kg
Silicon-dioxide 0.1Kg
DLTP 0.15Kg
Magnesium phosphorate/organosilicon/titanic acid ester 0.5Kg
（4/1/1） 0.5Kg
Mica/lime carbonate/talcum (20/40/30) 25Kg
P-octylphenyl salicylate 0.35Kg
Its preparation method is with embodiment 1, and performance is as shown in table 1.
Embodiment 3
Prescription:
Polypropylene (homopolymerization/copolymerization=1/1) 50Kg
SBS/HDPE（1/1） 7Kg
Sodium oxalate 0.2Kg
A1076 0.2Kg
Magnesium phosphorate/organosilicon (2/1) 1.5Kg
P-t-butylphenyl salicylate 0.4Kg
Mica/lime carbonate/talcum (20/40/20) 45Kg
Its preparation method is with embodiment 1, and performance is as shown in table 1.
Table 1: modified polypropene The performance test results
1 2 3
Tensile strength MPa 25.7 20.7 19.5
Elongation at break % 10 15 12
Unnotched impact strength KJ/m 21.5 17.9 20.2
Flexural strength MPa 42 40 43
Modulus in flexure GPa 3.03 1.68 2.70
Rockwell hardness R scale 53.6 61.2 51.8
Annotate: 23 ℃ of temperature, relative temperature 52%
(1) plastics charpy impact test method BG1048-79
(2) plastics bend test method BG1042-79
(3) plastic tensile test method GB1042-79
(4) plastics Rockwell hardness test method ASTMD785
Claims (6)
1, a kind of modified polytrimethylene for TV case, its component comprise that polypropylene, tough-increasing agent, nucleator, oxidation inhibitor, composite coupler, compounding filler reinforcing agent, anti UV agent, proportioning (% weight) are:
Polypropylene 50-70
Toughner 3-15
Nucleator 0.1-0.3
Oxidation inhibitor 0.1-0.4
Composite coupler 20-45
Anti UV agent 0.3-1.0
2, modified polytrimethylene for TV case as claimed in claim 1, it is characterized in that polypropylene is that melting index is the homopolymerization of 10-20, the mixture of segmented copolymer, and a kind of in the mixture of homopolymerization, segmented copolymer and high density polyethylene(HDPE), proportioning (weight) is respectively homopolymer/multipolymer=1/1, homopolymer/multipolymer/high density polyethylene(HDPE)=3/1/1.
3, modified polytrimethylene for TV case as claimed in claim 1, it is characterized in that tough-increasing agent be styrene-butadiene block copolymer (SBS), second third glue (EPR), and high density polyethylene(HDPE) (HDPE) respectively with the mixture of SBS or EPR in a kind of.
4, modified polytrimethylene for TV case as claimed in claim 1, it is characterized in that composite coupler comprises magnesium phosphorate, organosilicon, titanic acid ester, compoundly be respectively magnesium phosphorate/organosilicon=5/1-2/1, organosilicon/titanic acid ester/magnesium phosphorate=1/1/4-3/3/4 than (weight).
5, modified polytrimethylene for TV case as claimed in claim 1 is characterized in that compounding filler reinforcing agent comprises mica, lime carbonate, talcum, and compositely proportional (weight) is mica/lime carbonate/talcum=10/40/10-40/40/40.
6, modified polytrimethylene for TV case as claimed in claim 1 is characterized in that nucleator is one or more in phenylformic acid, benzoate, silicon-dioxide, the carboxylate salt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91107202 CN1063700A (en) | 1991-05-17 | 1991-05-17 | Modified polytrimethylene for tv case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91107202 CN1063700A (en) | 1991-05-17 | 1991-05-17 | Modified polytrimethylene for tv case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1063700A true CN1063700A (en) | 1992-08-19 |
Family
ID=4908558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91107202 Pending CN1063700A (en) | 1991-05-17 | 1991-05-17 | Modified polytrimethylene for tv case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1063700A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100425646C (en) * | 2005-01-18 | 2008-10-15 | 洛阳石化聚丙烯有限责任公司 | Polypropylene resin composition for hot channel injecting formation and production thereof |
| CN101875741A (en) * | 2010-05-25 | 2010-11-03 | 合肥利阳环保科技有限公司 | Method for preparing chemical grafting polyacrylic acid bonding beta-naphthylacetic acid modified polypropylene composite material |
| CN102070828A (en) * | 2010-12-09 | 2011-05-25 | 楼仲平 | Preparation method of high transparent degradable material and suction tube |
| CN101768312B (en) * | 2008-12-26 | 2012-06-13 | 深圳市科聚新材料有限公司 | High-gloss and high-impact resistance PS / PP composite for manufacturing telephone case and preparation method thereof |
| CN103289207A (en) * | 2012-02-23 | 2013-09-11 | 合肥杰事杰新材料股份有限公司 | Bending-resistant white polypropylene material and preparation method thereof |
| CN103387644A (en) * | 2013-07-22 | 2013-11-13 | 张宇 | Material for vehicle-mounted GPS housings |
| CN104497421A (en) * | 2014-11-26 | 2015-04-08 | 上海邦中高分子材料有限公司 | Modified master batch for enhancing toughness of PPR water supply pipe |
| CN105504520A (en) * | 2016-01-28 | 2016-04-20 | 苏州润佳工程塑料股份有限公司 | Polypropylene composition soft in touch sense and low in glossiness |
| CN108003459A (en) * | 2017-12-01 | 2018-05-08 | 蚌埠泰欣电子科技有限公司 | A kind of polypropylene plastics for igniter for automobile shell |
| CN109228010A (en) * | 2018-10-13 | 2019-01-18 | 佛山市通和电子科技有限公司 | A kind of injection moulding process and its product of casing of liquid crystal television set |
-
1991
- 1991-05-17 CN CN 91107202 patent/CN1063700A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100425646C (en) * | 2005-01-18 | 2008-10-15 | 洛阳石化聚丙烯有限责任公司 | Polypropylene resin composition for hot channel injecting formation and production thereof |
| CN101768312B (en) * | 2008-12-26 | 2012-06-13 | 深圳市科聚新材料有限公司 | High-gloss and high-impact resistance PS / PP composite for manufacturing telephone case and preparation method thereof |
| CN101875741A (en) * | 2010-05-25 | 2010-11-03 | 合肥利阳环保科技有限公司 | Method for preparing chemical grafting polyacrylic acid bonding beta-naphthylacetic acid modified polypropylene composite material |
| CN101875741B (en) * | 2010-05-25 | 2012-10-03 | 合肥利阳环保科技有限公司 | Method for preparing chemical grafting polyacrylic acid bonding beta-naphthylacetic acid modified polypropylene composite material |
| CN102070828A (en) * | 2010-12-09 | 2011-05-25 | 楼仲平 | Preparation method of high transparent degradable material and suction tube |
| CN102070828B (en) * | 2010-12-09 | 2013-07-03 | 楼仲平 | Preparation method of high transparent degradable material and suction tube |
| CN103289207A (en) * | 2012-02-23 | 2013-09-11 | 合肥杰事杰新材料股份有限公司 | Bending-resistant white polypropylene material and preparation method thereof |
| CN103387644A (en) * | 2013-07-22 | 2013-11-13 | 张宇 | Material for vehicle-mounted GPS housings |
| CN103387644B (en) * | 2013-07-22 | 2016-01-27 | 张宇 | A kind of vehicle GPS shell materials |
| CN104497421A (en) * | 2014-11-26 | 2015-04-08 | 上海邦中高分子材料有限公司 | Modified master batch for enhancing toughness of PPR water supply pipe |
| CN105504520A (en) * | 2016-01-28 | 2016-04-20 | 苏州润佳工程塑料股份有限公司 | Polypropylene composition soft in touch sense and low in glossiness |
| CN108003459A (en) * | 2017-12-01 | 2018-05-08 | 蚌埠泰欣电子科技有限公司 | A kind of polypropylene plastics for igniter for automobile shell |
| CN109228010A (en) * | 2018-10-13 | 2019-01-18 | 佛山市通和电子科技有限公司 | A kind of injection moulding process and its product of casing of liquid crystal television set |
| CN109228010B (en) * | 2018-10-13 | 2024-02-13 | 惠州市鸿纬泰精密注塑有限公司 | Injection molding method of liquid crystal display television shell and product thereof |
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