CN103554825A - Weather-resistant toughened polyformaldehyde material as well as preparation method thereof - Google Patents
Weather-resistant toughened polyformaldehyde material as well as preparation method thereof Download PDFInfo
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- CN103554825A CN103554825A CN201310494890.1A CN201310494890A CN103554825A CN 103554825 A CN103554825 A CN 103554825A CN 201310494890 A CN201310494890 A CN 201310494890A CN 103554825 A CN103554825 A CN 103554825A
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Abstract
The invention discloses a weather-resistant toughened polyformaldehyde material. The weather-resistant toughened polyformaldehyde material consists of the following materials in parts by weight: 90-95 parts of polyformaldehyde resin, 5-10 parts of a toughening agent, 0.1-1 part of an antioxidant, 0.5-4 parts of an acid and aldehyde absorbing agent, 0.1-2 parts of an ultraviolet light absorber and 0.1-1 part of a hindered amine light stabilizer. A preparation method of the weather-resistant toughened polyformaldehyde material is characterized by comprising the following steps: (1), uniformly mixing the materials; and (2), extruding and pelletizing, and drying. The weather-resistant toughened polyformaldehyde material prepared in the invention has good weather resistance and anti-impact toughness. The weather-resistant toughened polyformaldehyde material prepared in the invention can effectively resist lowering of mechanical performances of a polyformaldehyde material caused by factors such as light, especially ultraviolet light and oxygen, and also can greatly reduce chromatic aberration, can greatly improve outlines of products and can prolong service lives of materials.
Description
Technical field
The present invention relates to a kind of weather-proof reinforced polyformaldehyde materials and preparation method thereof.
Background technology
Polyoxymethylene has higher Young's modulus, rigidity and hardness, tensile strength, flexural strength, creep resistant and superior fatigue resistance, specific tenacity and specific rigidity are close to metal, it is the material that in engineering plastics, mechanical property approaches metal most, in fields such as automobile, electronic apparatus, daily necessities, mechanical industries, obtained extensive utilization, developed rapidly and become one of five large general engineering plastic.But its notch impact toughness and weather resistance are poor, in use easily at light, particularly under ultraviolet ray, oxygen effect, degrade, cause its mechanical property especially toughness and elongation at break sharply decline, lose too early use value, limited it in all many-sided application.Polyurethane Thermoplastic Elastomer is the main toughner kind of polyoxymethylene toughening modifying, but this toughner itself fast light, oxygen aging performance is poor, easy xanthochromia.The method that improves at present Weatherability of Polyoxymethylene is mainly that the stabilizing additives such as aldehyde agent, UV light absorber, hindered amine as light stabilizer are inhaled in interpolation oxidation inhibitor, suction acid, but the membership that adds of these auxiliary agents makes original toughness further reduce with regard to poor polyformaldehyde resin toughness.
Summary of the invention
The object of the present invention is to provide a kind of weather-proof reinforced polyformaldehyde materials and preparation method thereof.
The technical solution used in the present invention is:
A reinforced polyformaldehyde materials, its raw material by following mass parts forms: the suction acid of the toughner of the polyformaldehyde resin of 90-95 part, 5-10 part, the oxidation inhibitor of 0.1-1 part, 0.5-4 part is inhaled aldehyde agent, the UV light absorber of 0.1-2 part, the hindered amine as light stabilizer of 0.1-1 part.
Described toughner is at least one in polyester type, polyether-type or polycaprolactone type Polyurethane Thermoplastic Elastomer.
Described oxidation inhibitor comprises Hinered phenols antioxidant or phosphite ester kind antioxidant.
Described oxidation inhibitor is 259,2246,1010,1076,245,1790,168,1098,1024,3114, at least one in DSTP, DLTP, B215, antioxidant CA, oxidation inhibitor GA-80.
It is at least one in trimeric cyanamide, Dyhard RU 100, polymeric amide that aldehyde agent is inhaled in described suction acid.
Described uv-absorbing agent is UV-P, UV-326,, at least one in UV-327, UV-328, UV-329, UV-770, UV-292, UV-234, UV-531, UV-P, UV-9.
Described hindered amine as light stabilizer is 770,944,622,783,791, at least one in HS-508.
A preparation method for weather-proof reinforced polyformaldehyde materials, comprises the following steps:
1) each raw material is mixed;
2) extruding pelletization, dry.
The invention has the beneficial effects as follows: weather-proof reinforced polyformaldehyde materials prepared by the present invention has good weathering resistance and toughness; Weather-proof reinforced polyformaldehyde materials prepared by the present invention is highly resistant to the reduction of the light polyformaldehyde material mechanical property that particularly factor such as ultraviolet ray and oxygen causes, and can significantly reduce aberration, greatly improves the work-ing life of products appearance and prolongation material.
Embodiment
Below in conjunction with specific embodiment, the present invention is described further:
A reinforced polyformaldehyde materials, its raw material by following mass parts forms: the suction acid of the toughner of the polyformaldehyde resin of 90-95 part, 5-10 part, the oxidation inhibitor of 0.1-1 part, 0.5-4 part is inhaled aldehyde agent, the UV light absorber of 0.1-2 part, the hindered amine as light stabilizer of 0.1-1 part.
Described toughner is at least one in polyester type, polyether-type or polycaprolactone type Polyurethane Thermoplastic Elastomer.
Described oxidation inhibitor comprises Hinered phenols antioxidant or phosphite ester kind antioxidant.
Described oxidation inhibitor is 259,2246,1010,1076,245,1790,168,1098,1024,3114, at least one in DSTP, DLTP, B215, antioxidant CA, oxidation inhibitor GA-80.
It is at least one in trimeric cyanamide, Dyhard RU 100, polymeric amide that aldehyde agent is inhaled in described suction acid.
Described uv-absorbing agent is UV-P, UV-326,, at least one in UV-327, UV-328, UV-329, UV-770, UV-292, UV-234, UV-531, UV-P, UV-9.
Described hindered amine as light stabilizer is 770,944,622,783,791, at least one in HS-508.
A preparation method for weather-proof reinforced polyformaldehyde materials, comprises the following steps:
1) each raw material is mixed;
2) melt extrude granulation, dry.
Below in conjunction with specific embodiment, formula of the present invention is described further:
embodiment 1:
A reinforced polyformaldehyde materials, its table 1 composed as follows of filling a prescription:
table 1:
embodiment 2:
A reinforced polyformaldehyde materials, its table 2 composed as follows of filling a prescription:
table 2:
embodiment 3:
A reinforced polyformaldehyde materials, its table 3 composed as follows of filling a prescription:
table 3:
embodiment 4:
A reinforced polyformaldehyde materials, its table 4 composed as follows of filling a prescription:
table 4:
embodiment 5:
A reinforced polyformaldehyde materials, its table 5 composed as follows of filling a prescription:
table 5:
embodiment 6:
A reinforced polyformaldehyde materials, its table 6 composed as follows of filling a prescription:
table 6:
Embodiment 1,5,6 is obtained to product and carry out mechanical property and aberration detection, related data is listed in respectively table 7 and table 8, wherein, and the test value that correlative value is reinforced polyformaldehyde, each performance number of product that representative value is prepared for the embodiment 1 detecting.
The formula of the reinforced polyformaldehyde that correlative value is corresponding is: POM:95 mass parts, polyester type Polyurethane Thermoplastic Elastomer: 5 mass parts, oxidation inhibitor 245:0.4 mass parts.
The mechanical performance data table of preparing product in table 7: embodiment 1,5,6
The chromatism data table of preparing product in table 8: embodiment 1,5,6
Claims (8)
1. a weather-proof reinforced polyformaldehyde materials, is characterized in that: its raw material by following mass parts forms: the suction acid of the toughner of the polyformaldehyde resin of 90-95 part, 5-10 part, the oxidation inhibitor of 0.1-1 part, 0.5-4 part is inhaled aldehyde agent, the UV light absorber of 0.1-2 part, the hindered amine as light stabilizer of 0.1-1 part.
2. a kind of weather-proof reinforced polyformaldehyde materials according to claim 1, is characterized in that: described toughner is at least one in polyester type, polyether-type or polycaprolactone type Polyurethane Thermoplastic Elastomer.
3. a kind of weather-proof reinforced polyformaldehyde materials according to claim 1, is characterized in that: described oxidation inhibitor comprises Hinered phenols antioxidant or phosphite ester kind antioxidant.
4. a kind of weather-proof reinforced polyformaldehyde materials according to claim 1, is characterized in that: described oxidation inhibitor is 259,2246,1010,1076,245,1790,168,1098,1024,3114, at least one in DSTP, DLTP, B215, antioxidant CA, oxidation inhibitor GA-80.
5. a kind of weather-proof reinforced polyformaldehyde materials according to claim 1, is characterized in that: it is at least one in trimeric cyanamide, Dyhard RU 100, polymeric amide that aldehyde agent is inhaled in described suction acid.
6. a kind of weather-proof reinforced polyformaldehyde materials according to claim 1, it is characterized in that: described uv-absorbing agent is UV-P, UV-326,, at least one in UV-327, UV-328, UV-329, UV-770, UV-292, UV-234, UV-531, UV-P, UV-9.
7. a kind of weather-proof reinforced polyformaldehyde materials according to claim 1, is characterized in that: described hindered amine as light stabilizer is 770,944,622,783,791, at least one in HS-508.
8. the preparation method of a kind of weather-proof reinforced polyformaldehyde materials claimed in claim 1, is characterized in that: comprise the following steps:
1) each raw material is mixed;
2) extruding pelletization, dry.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105754283A (en) * | 2016-05-16 | 2016-07-13 | 苏州新区华士达工程塑胶有限公司 | Weather-proof modified polyoxymethylene plastic |
| CN107459760A (en) * | 2017-09-21 | 2017-12-12 | 上海中镭新材料科技有限公司 | A kind of polyformaldehyde material and preparation method thereof |
| CN109320901A (en) * | 2018-10-25 | 2019-02-12 | 上海奇彩塑胶原料有限公司 | Weather-proof wear-resisting enhanced polyformaldehyde composite material and preparation method thereof |
| CN109988389A (en) * | 2019-04-08 | 2019-07-09 | 苏州威瑞成新材料有限公司 | A kind of polyacetal material |
| CN111548598A (en) * | 2020-06-17 | 2020-08-18 | 湖北合聚高分子材料有限公司 | Aging-resistant high-toughness polyformaldehyde material and preparation method thereof |
| CN115260700A (en) * | 2022-08-26 | 2022-11-01 | 万敬新材料(上海)有限公司 | Low-temperature toughened polyformaldehyde composition and manufacturing method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102924862A (en) * | 2012-11-29 | 2013-02-13 | 开滦（集团）有限责任公司 | Polyformaldehyde modified material and preparation method thereof |
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2013
- 2013-10-21 CN CN201310494890.1A patent/CN103554825B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102924862A (en) * | 2012-11-29 | 2013-02-13 | 开滦（集团）有限责任公司 | Polyformaldehyde modified material and preparation method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105754283A (en) * | 2016-05-16 | 2016-07-13 | 苏州新区华士达工程塑胶有限公司 | Weather-proof modified polyoxymethylene plastic |
| CN107459760A (en) * | 2017-09-21 | 2017-12-12 | 上海中镭新材料科技有限公司 | A kind of polyformaldehyde material and preparation method thereof |
| CN107459760B (en) * | 2017-09-21 | 2019-09-27 | 上海中镭新材料科技有限公司 | A kind of polyformaldehyde material and preparation method thereof |
| CN109320901A (en) * | 2018-10-25 | 2019-02-12 | 上海奇彩塑胶原料有限公司 | Weather-proof wear-resisting enhanced polyformaldehyde composite material and preparation method thereof |
| CN109988389A (en) * | 2019-04-08 | 2019-07-09 | 苏州威瑞成新材料有限公司 | A kind of polyacetal material |
| CN111548598A (en) * | 2020-06-17 | 2020-08-18 | 湖北合聚高分子材料有限公司 | Aging-resistant high-toughness polyformaldehyde material and preparation method thereof |
| CN115260700A (en) * | 2022-08-26 | 2022-11-01 | 万敬新材料(上海)有限公司 | Low-temperature toughened polyformaldehyde composition and manufacturing method thereof |
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| CN103554825B (en) | 2016-03-09 |
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