CN103232632A - Polypropylene compound, and preparation method and application thereof - Google Patents
Polypropylene compound, and preparation method and application thereof Download PDFInfo
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- CN103232632A CN103232632A CN2013100084498A CN201310008449A CN103232632A CN 103232632 A CN103232632 A CN 103232632A CN 2013100084498 A CN2013100084498 A CN 2013100084498A CN 201310008449 A CN201310008449 A CN 201310008449A CN 103232632 A CN103232632 A CN 103232632A
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- polypropylene
- polypropylene composite
- photosensitizers
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Abstract
The invention discloses a polypropylene compound, and a preparation method and an application thereof. The polypropylene compound mainly comprises, by weight, 50-100 parts of polypropylene, 0-8 parts of a compatibilizing agent, 0-42 parts of a filing agent, 0.2-0.7 parts of a laser absorption enhancing agent, 0.5-2 parts of a photosensitizer, 0-2 parts of other additives, and 0-0.8 parts of a coloring pigment. According to the polypropylene compound provided by the invention, small amounts of laser absorption enhancing agent and photosensitizer are added, and the polymer can reach ideal effects when applied in marks of laser marking technologies. Also, the polypropylene polymer provided by the invention has good mechanical property, and can be widely applied in the fields of automobiles, home appliances and electronic appliances.
Description
Technical field
The present invention relates to polymeric material field, particularly a kind of polypropylene composite of laser-markable.
Background technology
The laser-marking technology is compared other printing technology, has plurality of advantages, but as be difficult for wiping, time variable control fast, degree of freedom height, advantages of environment protection, make that its application is very extensive, because the development of high molecular polymer, carry out also fast development thereupon of laser-marking at polymer surfaces, but because polyacrylic reasons in structure, with polymer phase ratios such as ABS, PS, be difficult for absorbing laser, so application laser-marking technology has been subjected to bigger restriction on polypropylene and the polyacrylic mixture.
At present, solution commonly used is to add the laser marking agent in polyacrylic mixture, as inorganic metal salt and metal oxide etc., usually need to add more laser marking agent and just can reach desirable effect, these materials that add make the mechanical property of polymkeric substance also be subjected to bigger influence.
Summary of the invention
For addressing the above problem, the present invention is necessary to provide a kind of polypropylene composite of laser-markable, and it can reach laser marking effect preferably under the situation that adds a spot of laser absorption promotor and photosensitizers, and mechanical property is good.
In addition, also be necessary to provide a kind of preparation method of above-mentioned polypropylene composite.
In addition, also be necessary to provide a kind of application of above-mentioned polypropylene composite.
A kind of polypropylene composite, its main component is for comprising by weight:
Polypropylene 50-100 part;
Compatilizer 0-8 part;
Weighting agent 0-42 part;
Laser absorption promotor 0.2-0.7 part;
Photosensitizers 0.5-2 part;
Other additive 0-2 part;
Tinting pigment 0-0.8 part;
Wherein, photosensitizers is selected from one or more of O-hydroxyl-diphenyl ketone, o-hydroxy and triazole, o-hydroxy triazine, salicylate, benzoic ether, laurate.
A kind of polypropylene composite, formed by weight by following composition:
Polypropylene 50-100 part;
Compatilizer 0-8 part;
Weighting agent 0-42 part;
Laser absorption promotor 0.2-0.7 part;
Photosensitizers 0.5-2 part;
Other additive 0-2 part;
Tinting pigment 0-0.8 part;
Wherein, photosensitizers is selected from one or more of O-hydroxyl-diphenyl ketone, o-hydroxy and triazole, o-hydroxy triazine, salicylate, benzoic ether, laurate.
Wherein, in the above-mentioned polypropylene composite, its main component can also be by weight:
Polypropylene 56-90 part; Compatilizer 3-7 part; Weighting agent 10-38 part; Laser absorption promotor 0.3-0.6 part; Photosensitizers 0.8-1.8 part; Other additive 0-1 part; Tinting pigment 0.3-0.7 part.
Wherein, in the above-mentioned polypropylene composite, its main component can also be by weight:
Polypropylene 63-75 part; Compatilizer 5-6 part; Weighting agent 15-30 part; Laser absorption promotor 0.4-0.5 part; Photosensitizers 1-1.8 part; Other additive 0-1 part; Tinting pigment 0.4-0.6 part.
Further preferred, the described laser absorption promotor that the mixture of being made up of polypropylene, compatilizer and weighting agent of per 100 weight parts adds the 0.2-0.7 weight part, the mixture of being made up of polypropylene, compatilizer and weighting agent of per 100 weight parts adds the described photosensitizers of 0.5-2 weight part, be the 0.2-0.7% that the weight of described laser absorption promotor accounts for described polypropylene, compatilizer and weighting agent gross weight, the weight of described photosensitizers accounts for the 0.5-2% of described polypropylene, compatilizer and weighting agent gross weight.
Wherein, described laser absorption promotor can be the organophosphate compounds, and the adding of described laser absorption promotor can improve the regular arrangement level of polypropylene molecular chain, promotes matrix to absorb laser energy.
Wherein, polypropylene composite of the present invention does not contain inorganic phosphate.
Wherein, described laser absorption promotor is preferably and is selected from two (to tertiary butyl phenoxy group) sodium phosphate salts, 2,2 '-methylene-bis (4,6-di-t-butyl) phenol sodium phosphate salt or 2, one or more of 2 '-methylene-bis (4,6-di-tert-butyl-phenyl) phosphalugel.
Wherein, described polypropylene can be selected from one or more blend of homo-polypropylene, block copolymerization polypropylene or atactic copolymerized polypropene.
Wherein, described compatilizer can be the graftomer of polypropylene and unsaturated carboxylic acid or its acid anhydrides, and described unsaturated carboxylic acid can be toxilic acid.
Wherein, described weighting agent can be any one or the two or more mixtures in talcum powder, calcium carbonate, barium sulfate, calcium sulfate, wollastonite, mica, glass microballon, the glass fibre.
Wherein, the described weighting agent weighting agent through crossing through silane coupling agent or titanate coupling agent activation treatment preferably.
Wherein, described tinting pigment is preferably carbon black, and the umber of described tinting pigment is preferably 0.2-0.8 part, and described carbon black is preferably thermally oxidized black.
Wherein, described other additive can be antioxidant, the processing aid that lubricant etc. are commonly used, described other additive can comprise the oxidation inhibitor of 0-1 weight part and the lubricant of 0-1 weight part, described antioxidant can be the mixture of Hinered phenols primary antioxidant and phosphorous acid esters or thioether class auxiliary anti-oxidant, and described processing aid is one or more mixture of metallic soap class, stearic acid complex ester class, amides.
A kind of preparation method of aforesaid polypropylene composite, in proportion polypropylene, compatilizer, weighting agent, laser absorption promotor, photosensitizers, tinting pigment, other additive are joined blend in the high-speed mixer, join then and extrude in the screw extrusion press and granulation, obtain polypropylene composite.
A kind of application of aforesaid polypropylene composite, described polypropylene composite is mainly used in automobile, field of household appliances.
Compare prior art, polypropylene composite of the present invention is under the situation of adding more a spot of laser absorption promotor and photosensitizers, can reach comparatively ideal effect during polymer application laser-marking technical mark, meanwhile, the mechanical property of polyacrylic polymer of the present invention is good, can be widely used in automobile and field of household appliances and field of electronics.
Embodiment
Composition, preparation method to polypropylene composite of the present invention is described further below in conjunction with some embodiments.Specific embodiment is for further describing the present invention, non-limiting protection scope of the present invention.
Performance test methods or standard involved in the present invention are as follows:
Tensile strength is pressed the ISO527 standard testing;
Modulus in flexure is pressed the ISO178 standard testing;
The socle girder notched Izod impact strength is pressed the ISO180 standard testing, and the type of socle girder breach is the category-A breach;
Laser marking method and evaluation method: earlier mixture is injection molded into the square plate of 100mm*100mm*2mm, the other side's plate carries out laser-marking then.The present invention adopts Nd:YAG laser apparatus (big bunch of laser Science and Technology Co., Ltd.) (wavelength 1064nm) that on-gauge plate is tested, test technology is: electric current 15A, frequency 2.0KHz, step-length 0.003mm, adopt the method for range estimation that marking effect is characterized, be divided into third-class, it is poor to be respectively, better to reach, expression sign respectively is clear, sign is clear substantially and sign is fuzzy, for the darker polypropylene composite of color behind the adding tinting material, identify light mark, for the more shallow polypropylene composite mark dark mark of color.
The used material of the present invention derives from the market can buy the material that obtains, wherein
Polypropylene 1: tensile strength is 26MPa, and modulus in flexure is 1200MPa, and the socle girder notched Izod impact strength is 7kJ/m
2
Polypropylene 2:HP500N (CSPC) and SP179 (Lanzhou petrochemical industry) are by weight the 1:1 mixed;
Carbon black: the M717(Cabot)
Oxidation inhibitor: Irganox1010, Irgafos168 (Ciba)
Lubricant: ethylene bis stearamide (abbreviation EBS) (commercially available)
Compatilizer: Polybond3200 (Chemtura)
Embodiment 1-7
Get each material by the weight part shown in the table 1 and join and mix 5 minutes in the mixing machine, obtain mixture, mixture is joined extruding pelletization in the twin screw extruder, finally obtain product.By above-mentioned testing method resulting polypropylene composite is carried out tensile strength, modulus in flexure, the test of socle girder notched Izod impact strength successively, the results are shown in Table 1 with it, and resultant polypropylene composite is injection molded into the square plate of 100mm*100mm*2mm, the other side's plate carries out laser-marking then, and its laser-marking estimated, will the results are shown in Table 1.
Comparative Examples 1-9
Get each material by the weight part shown in the table 2 and join and mix 5 minutes in the mixing machine, obtain mixture, mixture is joined extruding pelletization in the twin screw extruder, finally obtain product.By above-mentioned testing method resulting polypropylene composite is carried out tensile strength, modulus in flexure, the test of socle girder notched Izod impact strength successively, the results are shown in Table 2 with it, and resultant polypropylene composite is injection molded into the square plate of 100mm*100mm*2mm, the other side's plate carries out laser-marking then, and its laser-marking estimated, will the results are shown in Table 2.
Table 1
Table 2
By table 1 and table 2 as can be seen, embodiment 1-3 and Comparative Examples 1-3 contrast one by one, embodiment 7 compares with Comparative Examples 9, for reaching identical laser-marking performance, the gross weight umber of the cupric phosphate that adds in the Comparative Examples and antimonous oxide is greater than the gross weight mark of the laser absorption promotor that adds among the embodiment and photosensitizers, embodiment 1-3 and Comparative Examples 1-3 contrast one by one, and the mechanical property of polypropylene composite is better than the mechanical property of polypropylene composite in the Comparative Examples among the embodiment.
Embodiment 1 and Comparative Examples 8 contrasts, embodiment 4-7 and Comparative Examples 4-7 contrast one by one, the laser absorption promotor of using among the embodiment is organophosphate, photosensitizers is selected from O-hydroxyl-diphenyl ketone, o-hydroxy and triazole, the o-hydroxy triazine, salicylate, benzoic ether, laurate, and be laser marking agent main component---cupric phosphate and antimonous oxide commonly used at present in the Comparative Examples, from test result as can be seen, when the laser marking agent is suitable in the consumption of laser absorption promotor and photosensitizers among the embodiment and the Comparative Examples, polypropylene composite among the embodiment, its sign property is better, and mechanical property is better.
Embodiment 8-9, Comparative Examples 10-13
Get each material by the weight part shown in the table 3 and join and mix 5 minutes in the mixing machine, obtain mixture, mixture is joined extruding pelletization in the twin screw extruder, finally obtain product.By above-mentioned testing method resulting polypropylene composite is carried out tensile strength, modulus in flexure, the test of socle girder notched Izod impact strength successively, the results are shown in Table 3 with it, earlier mixture is injection molded into the square plate of 100mm*100mm*2mm, the other side's plate carries out laser-marking then, with the results are shown in Table 3.
Table 3
As shown in Table 3, embodiment 8 compares with Comparative Examples 13, in polyacrylic polymer, adds the embodiment 8 of photosensitizers O-hydroxyl-diphenyl ketone, and the sign of the polypropylene composite of its gained is better.By embodiment 8 and embodiment 9 and Comparative Examples 10-12 as can be seen, when laser absorption promotor is organophosphate, do laser absorption promotor compared to inorganic phosphate or metal oxide etc., the sign performance of its polypropylene composite is better, and mechanical property is better.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes description of the present invention to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. polypropylene composite, its main component is for comprising by weight:
Polypropylene 50-100 part;
Compatilizer 0-8 part;
Weighting agent 0-42 part;
Laser absorption promotor 0.2-0.7 part;
Photosensitizers 0.5-2 part;
Other additive 0-2 part;
Tinting pigment 0-0.8 part;
Wherein, photosensitizers is selected from one or more of O-hydroxyl-diphenyl ketone, o-hydroxy and triazole, o-hydroxy triazine, salicylate, benzoic ether, laurate.
2. polypropylene composite, formed by weight by following composition:
Polypropylene 50-100 part;
Compatilizer 0-8 part;
Weighting agent 0-42 part;
Laser absorption promotor 0.2-0.7 part;
Photosensitizers 0.5-2 part;
Other additive 0-2 part;
Tinting pigment 0-0.8 part;
Wherein, photosensitizers is selected from one or more of O-hydroxyl-diphenyl ketone, o-hydroxy and triazole, o-hydroxy triazine, salicylate, benzoic ether, laurate.
3. polypropylene composite according to claim 1 and 2 is characterized in that:
Described laser absorption promotor is the organophosphate compounds.
4. polypropylene composite according to claim 1 and 2 is characterized in that:
Described laser absorption promotor is selected from two (to tertiary butyl phenoxy group) sodium phosphate salts, 2,2 '-methylene-bis (4,6-di-t-butyl) phenol sodium phosphate salt or 2, one or more of 2 '-methylene-bis (4,6-di-tert-butyl-phenyl) phosphalugel.
5. polypropylene composite according to claim 1 and 2 is characterized in that:
Described polypropylene is selected from one or more blend of homo-polypropylene, block copolymerization polypropylene or atactic copolymerized polypropene.
6. polypropylene composite according to claim 1 and 2 is characterized in that:
Described compatilizer is the graftomer of polypropylene and unsaturated carboxylic acid or its acid anhydrides.
7. polypropylene composite according to claim 1 and 2 is characterized in that:
Described weighting agent is any one or the two or more mixture in talcum powder, calcium carbonate, barium sulfate, calcium sulfate, wollastonite, mica, glass microballon, the glass fibre.
8. polypropylene composite according to claim 7 is characterized in that:
Described weighting agent is the weighting agent of crossing through through silane coupling agent or titanate coupling agent activation treatment.
9. preparation method as each described polypropylene composite of claim 1-8 is characterized in that:
In proportion polypropylene, compatilizer, weighting agent, laser absorption promotor, photosensitizers, tinting pigment, other additive are joined blend in the high-speed mixer, join then and extrude in the screw extrusion press and granulation, obtain polypropylene composite.
10. application as each described polypropylene composite of claim 1-8 is characterized in that:
Described polypropylene composite is applied to automobile, household electrical appliances and field of electronics.
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| CN201310008449.8A CN103232632B (en) | 2013-01-09 | 2013-01-09 | Polypropylene composite, preparation method and application thereof |
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| CN201310008449.8A CN103232632B (en) | 2013-01-09 | 2013-01-09 | Polypropylene composite, preparation method and application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111995865A (en) * | 2020-07-28 | 2020-11-27 | 湖南华曙高科技有限责任公司 | Polymer material, preparation method thereof and manufacturing method of polymer product |
| CN114316442A (en) * | 2021-12-21 | 2022-04-12 | 天津金发新材料有限公司 | Modified PP material easy to hot melt weld, high in transparency and easy to laser mark and preparation method and application thereof |
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| CN1195671A (en) * | 1997-03-26 | 1998-10-14 | 通用电气公司 | Compositions stabilized with tertiary amine oxides |
| CN102276915A (en) * | 2011-07-18 | 2011-12-14 | 余姚市中发工程塑料有限公司 | Plastic special for optical fiber junction box and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111995865A (en) * | 2020-07-28 | 2020-11-27 | 湖南华曙高科技有限责任公司 | Polymer material, preparation method thereof and manufacturing method of polymer product |
| CN114316442A (en) * | 2021-12-21 | 2022-04-12 | 天津金发新材料有限公司 | Modified PP material easy to hot melt weld, high in transparency and easy to laser mark and preparation method and application thereof |
| CN114316442B (en) * | 2021-12-21 | 2023-06-20 | 天津金发新材料有限公司 | Modified PP material easy to hot melt weld, high in transparency and easy to laser mark, and preparation method and application thereof |
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| CN103232632B (en) | 2016-03-30 |
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Effective date of registration: 20211229 Address after: 221000 No. 1, north of Chunxing road and east of gunche Avenue, Pizhou high tech Industrial Development Zone, Xuzhou City, Jiangsu Province Patentee after: Jiangsu Jinfa renewable resources Co.,Ltd. Address before: 510663 Guangzhou science and Technology Development Zone, Guangdong, China, 33 Patentee before: KINGFA SCI. & TECH. Co.,Ltd. Patentee before: Shanghai golden hair science and Technology Development Co Ltd |