CN101190988A - Heat-resisting polypropylene resin composition with high glossiness - Google Patents
Heat-resisting polypropylene resin composition with high glossiness Download PDFInfo
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- CN101190988A CN101190988A CNA2006101185890A CN200610118589A CN101190988A CN 101190988 A CN101190988 A CN 101190988A CN A2006101185890 A CNA2006101185890 A CN A2006101185890A CN 200610118589 A CN200610118589 A CN 200610118589A CN 101190988 A CN101190988 A CN 101190988A
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- lubricant
- polypropylene resin
- oxidation inhibitor
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- phenoxy group
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Abstract
The invention relates to a high-gloss and heat-resistant polypropylene resin compound, the components of which includes: polypropylene resin group material, nucleating agent, lubricant, antioxidant A and antioxidant B, wherein, the polypropylene resin group material is isotactic and homopolymerized polypropylene with fused mass flowing speed of 3-26g/10min and 98.5-99.5 percent of isotactic index. The nucleating agent is selected from one of two (4- tertiary butyl- phenoxyl) phosphate and 2, 2-methylene-double (4, 6-di-tert-butylphenoxyl) sodium phosphate or 2, 2-methylene-double (4, 6-di-tert-butylphenoxyl) phosphate amine salt; the lubricant is monopalmitin; the antioxidant A is four (3, (3, 5-di-tert-buty-4-hydroxyphenyl)) propionate pentaerythritol ester and the antioxidant B is phosphorous acid three (2, 4-tert-butylphenyl) ester. The polypropylene resin compound not only has good heat resistance, but also has excellent luster of products which can reach above 98 GU20 degrees.
Description
Technical field
The present invention relates to the acrylic resin is the composition of base-material, particularly adds the polypropylene resin composite that additives such as nucleator, lubricant and oxidation inhibitor carry out the thermotolerance modification by melting mixing.
Background technology
Modified polypropene has better physical performance and relatively low price, and as a kind of general-purpose plastics, its purposes is constantly expanded, and wherein heat resistance modified polypropylene substitutes the manufacturing that materials such as ABS, PC are applied to the household electrical appliance goods in a large number.The surface of household electrical appliance goods requires to have excellent gloss usually, otherwise can't obtain good surface appearance and touch feeling.For improving stable on heating modification, the general in recent years method of interpolation nucleator that adopts is carried out, and nucleator can make crystalling propylene miniaturization, crystalline density increase, thereby improve physicalies such as polyacrylic heat-drawn wire, rigidity, hardness, intensity.Simultaneously, nucleator can make that the resin crystalline size reduces, crystal is more fine and close, reduces incident scattering of light and refraction, thereby increases the glossiness of goods.Therefore, add the thermotolerance that nucleator can not only improve acrylic resin, make the glossiness of goods also have greatly improved simultaneously.
Generally, also will add a certain amount of lubricant in the acrylic resin, its purpose mainly is to improve resin flow, the visual appearance that improves the shaping working (machining) efficiency and improve goods.In fact, according to the action principle of lubricant, it also has very big influence to the glossiness of goods.Relative nucleator, research input energy to lubricant in the prior art is less, lubricant commonly used at present mainly contains compounds such as low-molecular-weight wax class, fatty acid salt, lipid acid amine and fatty acid ester, what wherein use always in the fatty acid ester is that stearin (is seen " polypropylene-principle, technology and technology ", Sinopec press 2002, ISBN 7-80164-258-9, P477～478).With regard to the glossiness that improves goods, these existing lubricant properties are all comparatively general.
Summary of the invention
The invention provides a kind of high gloss, heat-stable polypropylene resin composite, composition is a base-material with the isotactic homo-polypropylene, and containing additives such as nucleator, oxidation inhibitor and lubricant, technical problem to be solved by this invention is further to improve the glossiness of its goods.
Below be the detailed technical scheme of the present invention:
A kind of high gloss, heat-stable polypropylene resin composite, the component of said composition comprise acrylic resin base-material, nucleator, lubricant, oxidation inhibitor A and oxidation inhibitor B, wherein:
The acrylic resin base-material is the isotactic homo-polypropylene, and its melt flow rate (MFR) is 3～26g/10min, and isotactic index is 98.5～99.5%;
Nucleator is taken from two (the 4-tertiary butyl-phenoxy group) phosphoric acid salt, 2,2-methylene radical-two (4,6-di-t-butyl phenoxy group) sodium phosphate or 2, a kind of in 2-methylene radical-two (4, the 6-di-t-butyl phenoxy group) phosphate amine salt;
Lubricant is a monopalmitin;
Oxidation inhibitor A is four [3, (3, the 5-di-tert-butyl-hydroxy phenyl)] propionic acid pentaerythritol ester;
Oxidation inhibitor B is tricresyl phosphite (2, a 4-tert-butyl-phenyl) ester.
The ratio of each component is: when the acrylic resin base-material was 1000 weight parts, nucleator was 0.4～1.0 weight part, and oxidation inhibitor A and oxidation inhibitor B respectively are 0.6～1.2 weight part, and lubricant is 0.4～0.8 weight part.
Above-mentioned nucleator is preferably 2,2-methylene radical-two (4,6-di-t-butyl phenoxy group) sodium phosphate or 2,2-methylene radical-two (4,6-di-t-butyl phenoxy group) phosphate amine salt; In the proportioning of each component, when the acrylic resin base-material was 1000 weight parts, lubricant was preferably 0.5～0.8 weight part.
In the present invention, nucleator and oxidation inhibitor are in the prior art commonly used, and its key is the improvement of lubricant.Monopalmitin is used for the manufacturing of food-processing and cream breast class medicine or makeup in the prior art usually as emulsifying agent, the contriver found through experiments, substitute lubricant and nucleator described in the technique scheme and oxidation inhibitor compatibility commonly used in the prior art with it, the polypropylene resin composite that obtains not only has good thermotolerance, and the glossiness of its goods is excellent more, can arrive usually more than 98GU20 ° (testing standard ASTM D523).And under the identical situation of other condition, using the glossiness of existing general lubricant goods only is about 80 GU20 °.Therefore, advantage compared with prior art of the present invention is fairly obvious.
Purposes according to thermotolerance modified polypropylene resin composition, generally can be divided into low heat-resisting (heat-drawn wire 〉=110 ℃), in heat-resisting (heat-drawn wire 〉=120 ℃) and height heat-resisting (heat-drawn wire 〉=135 ℃) property, this is mainly by selecting different nucleators and oxidation inhibitor and changing that both add-on realizes, stable on heating during polypropylene resin composite provided by the invention belongs to, be mainly used in products such as making electric iron, electric steamer.But the selected lubricant of the present invention can be used for the polypropylene resin composite by other thermotolerance (comprising low heat resistant and high heat resistance) modification of forming of prescription equally, and the same tool of the glossiness of its goods is improved significantly.
Below will the invention will be further described by specific embodiment, in an embodiment, the testing standard of each rerum natura is respectively:
Glossiness (GU20 °): ASTM D523
Heat-drawn wire (℃): ASTM D648
Modulus in flexure (GPa): ASTM D790
Rockwell hardness (R scale): ASTM D785
Tensile strength (MPa): ASTM D638
Embodiment
[embodiment 1～10]
With selected nucleator, monopalmitin (being lubricant), four [3, (3, the 5-di-tert-butyl-hydroxy phenyl)] propionic acid pentaerythritol ester (being oxidation inhibitor A) and tricresyl phosphite (2, the 4-tert-butyl-phenyl) ester (being oxidation inhibitor B) measures respectively in the back adding mixing tank and mixes homogenizing, and homogenizing drops into extrusion machine and is pressed into the particulate state composite additive after two hours;
Above-mentioned composite additive and acrylic resin base-material are measured the back uniform mixing respectively, drop into twin screw extruder and carry out the melting mixing granulation.The residence time of material in screw rod is 2～4 minutes, and extruder temperature is controlled to be 145～210 ℃, and screw speed is controlled to be 200～300 rev/mins.The acrylic resin particle that obtains is finished product behind cooling drying.
The acrylic resin base-material is the isotactic homo-polypropylene, and its melt flow rate (MFR) is 3～26g/10min, and isotactic index is 98.5～99.5%.
The nucleator that each embodiment selects for use sees Table 1, and the proportioning of each component sees Table 2.
The product that each embodiment is obtained carries out physical property measurement respectively, the results are shown in Table 3.
Table 1.
| Nucleator | |
| Embodiment 1 | 2,2-methylene radical-two (4,6-di-t-butyl phenoxy group) sodium phosphate |
| Embodiment 2 | 2,2-methylene radical-two (4,6-di-t-butyl phenoxy group) sodium phosphate |
| Embodiment 3 | 2,2-methylene radical-two (4,6-di-t-butyl phenoxy group) sodium phosphate |
| Embodiment 4 | Two (the 4-tertiary butyl-phenoxy group) phosphoric acid salt |
| Embodiment 5 | 2,2-methylene radical-two (4,6-di-t-butyl phenoxy group) sodium phosphate |
| Embodiment 6 | 2,2-methylene radical-two (4,6-di-t-butyl phenoxy group) phosphate amine salt |
| Embodiment 7 | 2,2-methylene radical-two (4,6-di-t-butyl phenoxy group) phosphate amine salt |
| Embodiment 8 | 2,2-methylene radical-two (4,6-di-t-butyl phenoxy group) phosphate amine salt |
| Embodiment 9 | 2,2-methylene radical-two (4,6-di-t-butyl phenoxy group) phosphate amine salt |
| Embodiment 10 | Two (the 4-tertiary butyl-phenoxy group) phosphoric acid salt |
Table 2.
| Nucleator | Lubricant | Oxidation inhibitor A | Oxidation inhibitor B | |
| Embodiment 1 | 0.4 | 0.5 | 0.6 | 1.2 |
| Embodiment 2 | 0.6 | 0.4 | 0.8 | 0.8 |
| Embodiment 3 | 0.6 | 0.7 | 0.8 | 1.2 |
| Embodiment 4 | 0.8 | 0.5 | 1.0 | 1.0 |
| Embodiment 5 | 1.0 | 0.8 | 1.2 | 0.8 |
| Embodiment 6 | 0.4 | 0.6 | 0.6 | 0.6 |
| Embodiment 7 | 0.6 | 0.5 | 0.8 | 1.0 |
| Embodiment 8 | 0.8 | 0.5 | 1.0 | 0.8 |
| Embodiment 9 | 0.8 | 0.8 | 1.0 | 1.0 |
| Embodiment 10 | 1.0 | 0.4 | 1.2 | 0.6 |
Annotate: data are the weight part of other each component when the acrylic resin base-material is 1000 parts of weight parts in the table 2.
Table 3.
| Surface gloss (20 ° of GU) | Heat-drawn wire (℃) | Modulus in flexure (GPa) | Rockwell hardness (R scale) | Tensile strength (MPa) | |
| Embodiment 1 | 103 | 120 | 1.7 | 104 | 38 |
| Embodiment 2 | 104 | 122 | 1.8 | 104 | 38 |
| Embodiment 3 | 107 | 126 | 1.8 | 105 | 39 |
| Embodiment 4 | 108 | 125 | 1.9 | 106 | 41 |
| Embodiment 5 | 110 | 128 | 1.9 | 106 | 42 |
| Embodiment 6 | 106 | 121 | 1.7 | 103 | 37 |
| Embodiment 7 | 104 | 123 | 1.7 | 104 | 38 |
| Embodiment 8 | 106 | 125 | 1.8 | 105 | 39 |
| Embodiment 9 | 106 | 125 | 1.8 | 105 | 39 |
| Embodiment 10 | 104 | 126 | 1.9 | 106 | 40 |
Claims (3)
1. a high gloss, heat-stable polypropylene resin composite, the component of said composition comprises acrylic resin base-material, nucleator, lubricant, oxidation inhibitor A and oxidation inhibitor B, wherein:
The acrylic resin base-material is the isotactic homo-polypropylene, and its melt flow rate (MFR) is 3～26g/10min, and isotactic index is 98.5～99.5%;
Nucleator is taken from two (the 4-tertiary butyl-phenoxy group) phosphoric acid salt, 2,2-methylene radical-two (4,6-di-t-butyl phenoxy group) sodium phosphate or 2, a kind of in 2-methylene radical-two (4, the 6-di-t-butyl phenoxy group) phosphate amine salt;
Lubricant is a monopalmitin;
Oxidation inhibitor A is four [3, (3, the 5-di-tert-butyl-hydroxy phenyl)] propionic acid pentaerythritol ester;
Oxidation inhibitor B is tricresyl phosphite (2, a 4-tert-butyl-phenyl) ester,
The ratio of each component is: when the acrylic resin base-material was 1000 weight parts, nucleator was 0.4～1.0 weight part, and oxidation inhibitor A and oxidation inhibitor B respectively are 0.6～1.2 weight part, and lubricant is 0.4～0.8 weight part.
2. polypropylene resin composite according to claim 1 is characterized in that described nucleator is 2,2-methylene radical-two (4,6-di-t-butyl phenoxy group) sodium phosphate or 2,2-methylene radical-two (4,6-di-t-butyl phenoxy group) phosphate amine salt.
3. polypropylene resin composite according to claim 1 is characterized in that in the proportioning of described each component, and when the acrylic resin base-material was 1000 weight parts, lubricant was 0.5～0.8 weight part.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102283285A (en) * | 2011-06-03 | 2011-12-21 | 青岛新希望琴牌乳业有限公司 | Preparation method for set yoghurt and prepared set yoghurt |
| CN103665536A (en) * | 2012-08-28 | 2014-03-26 | 山东道恩高分子材料股份有限公司 | Polypropylene material for handle of oil bottle |
| CN109535545A (en) * | 2018-10-22 | 2019-03-29 | 山东京博石油化工有限公司 | A kind of novel high just polypropylene modified material and preparation method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1277224A (en) * | 2000-06-22 | 2000-12-20 | 从化市聚赛龙工程塑料有限公司 | Lustrous antiaging polypropylene composite mateiral for household appliance |
| CN1330698C (en) * | 2003-08-13 | 2007-08-08 | 陈卫国 | High-lustre antibacterial polypropylene material and its manufacturing method |
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2006
- 2006-11-22 CN CN200610118589A patent/CN101190988B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102283285A (en) * | 2011-06-03 | 2011-12-21 | 青岛新希望琴牌乳业有限公司 | Preparation method for set yoghurt and prepared set yoghurt |
| CN103665536A (en) * | 2012-08-28 | 2014-03-26 | 山东道恩高分子材料股份有限公司 | Polypropylene material for handle of oil bottle |
| CN109535545A (en) * | 2018-10-22 | 2019-03-29 | 山东京博石油化工有限公司 | A kind of novel high just polypropylene modified material and preparation method thereof |
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| CN101190988B (en) | 2010-05-26 |
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