CN102226036B - Calcium sulfate maize starch nylon 66 composite and preparation technology thereof - Google Patents
Calcium sulfate maize starch nylon 66 composite and preparation technology thereof Download PDFInfo
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- CN102226036B CN102226036B CN2011101588708A CN201110158870A CN102226036B CN 102226036 B CN102226036 B CN 102226036B CN 2011101588708 A CN2011101588708 A CN 2011101588708A CN 201110158870 A CN201110158870 A CN 201110158870A CN 102226036 B CN102226036 B CN 102226036B
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- Prior art keywords
- nylon
- calcium sulfate
- gum
- stearic acid
- preparation technology
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- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 title claims abstract description 54
- 229920002302 Nylon 6,6 Polymers 0.000 title claims abstract description 36
- 239000002131 composite material Substances 0.000 title claims abstract description 15
- 238000005516 engineering process Methods 0.000 title claims abstract description 12
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 229920002261 Corn starch Polymers 0.000 title abstract 5
- 235000019759 Maize starch Nutrition 0.000 title abstract 5
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 16
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 239000003381 stabilizer Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000005469 granulation Methods 0.000 claims description 4
- 230000003179 granulation Effects 0.000 claims description 4
- 238000001291 vacuum drying Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 238000005034 decoration Methods 0.000 abstract description 2
- 235000021355 Stearic acid Nutrition 0.000 abstract 1
- 239000012760 heat stabilizer Substances 0.000 abstract 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 abstract 1
- 239000008117 stearic acid Substances 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 206010020675 Hypermetropia Diseases 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
A calcium sulfate maize starch nylon 66 composite and preparation technology thereof. The composite is prepared from the following raw material, by weight: 15-50wt% of calcium sulfate, 10-40wt% of maize starch, 20-60wt% of nylon 66, 1-10wt% of heat stabilizer T-68, 1-10wt% of anti-oxidant 1010 and 1-20wt% of stearic acid. The invention also comprises a preparation technology of the calcium sulfate maize starch nylon 66 composite. The calcium sulfate maize starch nylon 66 composite of the invention has high strength, good toughness and low shrinkage, is not liable to absorb moisture, and can substitute natural timber for the fields of indoor and outdoor decoration and construction.
Description
Technical field
The present invention relates to a kind of calcium sulfate W-Gum nylon 66 composite material and preparation technology thereof.
Background technology
Nylon 66 (PA66) has high melt point; It is a kind of semi-crystalline-crystalline material; PA66 also can keep stronger strength and stiffness at comparatively high temps, and therefore, it is widely used in the part of manufacturing machine, automobile, chemistry and electrical means; As impeller, fan blade, high pressure seal in gear, roller, pulley, roll shaft, the pump housing enclose, valve seat, pad, lining, various handle, bracing frame, electric wire covering etc.; Also can be made into film as wrapping material, in addition, also can be used for making medicine equipment, sports goods, daily necessities etc.; But nylon 66 shock strengths are low, poor toughness, and the product shrinking percentage is big, still has water absorbability after the moulding, and this has also limited its range of application.
Summary of the invention
The technical problem that the present invention will solve is, overcomes the deficiency of prior art, provides a kind of intensity high, good toughness, and shrinking percentage is little, is difficult for the calcium sulfate W-Gum nylon 66 composite material and the preparation technology thereof of moisture absorption.
The present invention's calcium sulfate W-Gum nylon 66 composite material is processed by following raw materials by weight percent: calcium sulfate 15-50wt%; W-Gum 10-40wt%; Nylon 66 (PA66) 20-60wt%; Thermo-stabilizer T-68 1-10wt%, antioxidant 1010 1-10wt%, Triple Pressed Stearic Acid 1-20wt%.
Preferred weight percent is: calcium sulfate 15-20wt%, W-Gum 15-20wt%, nylon 66 (PA66) 55-60wt%, thermo-stabilizer T-68 2wt%, antioxidant 1010 3wt%, Triple Pressed Stearic Acid 5wt%.
The preparation technology of the present invention's calcium sulfate W-Gum nylon 66 composite material may further comprise the steps:
(1) calcium sulfate is pulverized, crossed 100 mesh sieves, place baking oven dry 23-25 hour (preferred 24 hours) under the temperature of 105-115 ℃ (preferred 110 ℃); Dry back adds in the high-speed mixer, adds antioxidant 1010 and Triple Pressed Stearic Acid, mixes 10-20 minute (preferred 15 minutes) down at 45-55 ℃ (preferred 50 ℃);
(2) nylon 66 is placed the dry 25-35 of vacuum drying oven minute (preferred 30 minutes) of 80-90 ℃ (preferred 85 ℃);
(3) with mixing 15-25 minute (preferred 20 minutes) in W-Gum, thermo-stabilizer T-68 and step (1) gained mixture, step (2) the gained exsiccant nylon 66 adding high-speed mixers;
(4) place forcing machine to extrude in step (3) gained mixture, granulation.
The present invention uses Triple Pressed Stearic Acid that calcium sulfate is carried out modification, improves the consistency of itself and starch, and Triple Pressed Stearic Acid improves the flowability of melt and the surface flatness of matrix material as lubricant simultaneously.Calcium sulfate, W-Gum good dispersion in nylon 66 among the present invention, the fluidity of molten of matrix material is good.
The present invention's calcium sulfate W-Gum nylon 66 composite material, intensity is high, good toughness, shrinking percentage is little, is difficult for moisture absorption, can replace natural timber to be used for fields such as indoor and outdoor decoration, construction industry.
Embodiment
Below in conjunction with specific embodiment the present invention is done further explain.
Each embodiment raw material weight proportioning is seen table 1.
Each embodiment starting material provider is following:
Calcium sulfate, Hebei Xingtai Shuanghua Plaster Products Co., Ltd.;
W-Gum, the farsighted development in science and technology ltd that reaches of Wuhan dragon;
PA66, Dupont FE5480HS BK, golden prosperous plastic material ltd;
Thermo-stabilizer T-68, happy chemical industry ltd is matched in Hangzhou;
Antioxidant 1010, Nanjing Jia Yin Science and Technology Ltd.;
Triple Pressed Stearic Acid, the Shanghai card is won industry and trade ltd.
The preparation method:
(1) calcium sulfate is pulverized, crossed 100 mesh sieves, place baking oven under 110 ℃ temperature dry 24 hours; Dry back adds in the high-speed mixer, adds antioxidant 1010 and Triple Pressed Stearic Acid, mixes 15 minutes down at 50 ℃;
(2) nylon 66 is placed 85 ℃ dry 30 minutes of vacuum drying oven;
(3) with mixing 20 minutes in W-Gum, thermo-stabilizer and step (1) gained mixture, step (2) the gained exsiccant nylon 66 adding high-speed mixers;
(4) step (3) gained mixture is poured into placed forcing machine to extrude, granulation.
Each embodiment product performance detects, and tensile strength is pressed the standard testing of GB/T 1040-92 prescriptive procedure; Flexural strength is pressed GB/T 1936. 1-1991 prescriptive procedure standard testings; Shock strength is pressed the standard testing of GB/T 1043-93 prescriptive procedure; Elongation at break is pressed the test of GB/T17200-1997 prescriptive procedure; Water absorbability is
test by formula; Q is rate of moisture absorption %; G is heavy (g) after the sample moisture absorption, and U is sample initial weight (g); Shrinking percentage is pressed the standard testing of GB/T 15585-1995 prescriptive procedure.
Table 1 embodiment 1-5 raw material weight proportioning
| ? | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Calcium sulfate (kg) | 15 | 15 | 20 | 20 | 20 |
| W-Gum (kg) | 15 | 20 | 15 | 20 | 25 |
| PA66（kg） | 60 | 55 | 55 | 50 | 45 |
| Thermo-stabilizer T-68 (kg) | 2 | 2 | 2 | 2 | 2 |
| Antioxidant 1010 (kg) | 3 | 3 | 3 | 3 | 3 |
| Triple Pressed Stearic Acid (kg) | 5 | 5 | 5 | 5 | 5 |
Table 2 embodiment 1-5 product performance detected result relatively
| ? | Tensile strength (MPa) | Flexural strength (MPa) | Shock strength (KJ/m 2） | Elongation at break (%) | Water absorbability (%) | Shrinking percentage (%) |
| Embodiment 1 | 78.4 | 110.6 | 92.4 | 5.7 | 0.5 | 0.4 |
| Embodiment 2 | 75.1 | 105.8 | 91.7 | 5.3 | 0.3 | 0.5 |
| Embodiment 3 | 74.3 | 106.3 | 84.6 | 5.1 | 0.6 | 0.3 |
| Embodiment 4 | 70.9 | 97.8 | 82.8 | 4.7 | 1 | 1 |
| Embodiment 5 | 68.4 | 96.9 | 76.4 | 4.2 | 3 | 1.5 |
Claims (3)
1. calcium sulfate W-Gum nylon 66 composite material; It is characterized in that, process: calcium sulfate 15-50wt%, W-Gum 10-40wt% by following raw materials by weight percent; Nylon 66 20-60wt%; Thermo-stabilizer T-68 1-10wt%, antioxidant 1010 1-10wt%, Triple Pressed Stearic Acid 1-20wt%;
The preparation technology of said calcium sulfate W-Gum nylon 66 composite material may further comprise the steps:
(1) calcium sulfate is pulverized, crossed 100 mesh sieves, place baking oven under 105-115 ℃ temperature dry 23-25 hour; Dry back adds in the high-speed mixer, adds antioxidant 1010 and Triple Pressed Stearic Acid, mixes 10-20 minute down at 45-55 ℃;
(2) nylon 66 is placed 80-90 ℃ the dry 25-35 of vacuum drying oven minute;
(3) with mixing 15-25 minute in W-Gum, thermo-stabilizer T-68 and step (1) gained mixture, step (2) the gained exsiccant nylon 66 adding high-speed mixers;
(4) place forcing machine to extrude in step (3) gained mixture, granulation.
2. calcium sulfate W-Gum nylon 66 composite material according to claim 1; It is characterized in that, process: calcium sulfate 15-20wt%, W-Gum 15-20wt% by following raw materials by weight percent; Nylon 66 55-60wt%; Thermo-stabilizer T-68 2wt%, antioxidant 1010 3wt%, Triple Pressed Stearic Acid 5wt%.
3. calcium sulfate W-Gum nylon 66 composite material according to claim 1 and 2 is characterized in that said preparation technology may further comprise the steps:
(1) calcium sulfate is pulverized, crossed 100 mesh sieves, place baking oven under 110 ℃ temperature dry 24 hours; Dry back adds in the high-speed mixer, adds antioxidant 1010 and Triple Pressed Stearic Acid, mixes 15 minutes down at 50 ℃;
(2) nylon 66 is placed 85 ℃ dry 30 minutes of vacuum drying oven;
(3) with mixing 20 minutes in W-Gum, thermo-stabilizer T-68 and step (1) gained mixture, step (2) the gained exsiccant nylon 66 adding high-speed mixers;
(4) place forcing machine to extrude in step (3) gained mixture, granulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101588708A CN102226036B (en) | 2011-06-14 | 2011-06-14 | Calcium sulfate maize starch nylon 66 composite and preparation technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101588708A CN102226036B (en) | 2011-06-14 | 2011-06-14 | Calcium sulfate maize starch nylon 66 composite and preparation technology thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102226036A CN102226036A (en) | 2011-10-26 |
| CN102226036B true CN102226036B (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101588708A Active CN102226036B (en) | 2011-06-14 | 2011-06-14 | Calcium sulfate maize starch nylon 66 composite and preparation technology thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103224653B (en) * | 2013-04-01 | 2015-09-09 | 中广核俊尔新材料有限公司 | A kind of Biodegradable nylon 6/ starch composite material and preparation method thereof |
| CN103756311A (en) * | 2014-01-20 | 2014-04-30 | 苏州新区华士达工程塑胶有限公司 | Modified PA66 formula |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101045816A (en) * | 2007-03-22 | 2007-10-03 | 辽宁大学 | Preparation process of whisher reinforced nylon composite |
| CN101747623A (en) * | 2008-12-22 | 2010-06-23 | 上海日之升新技术发展有限公司 | Calcium sulfate crystal whisker glass fiber composite reinforcing nylon material and preparation method thereof |
-
2011
- 2011-06-14 CN CN2011101588708A patent/CN102226036B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101045816A (en) * | 2007-03-22 | 2007-10-03 | 辽宁大学 | Preparation process of whisher reinforced nylon composite |
| CN101747623A (en) * | 2008-12-22 | 2010-06-23 | 上海日之升新技术发展有限公司 | Calcium sulfate crystal whisker glass fiber composite reinforcing nylon material and preparation method thereof |
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| CN102226036A (en) | 2011-10-26 |
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Effective date of registration: 20160913 Address after: An Industrial Park Economic Development Zone, Changde City, Hunan province Linli County 415200 Patentee after: Hunan Fu Xiang new type building material Co., Ltd. Address before: 410005, 12 floor, Haidong mansion, Furong Road, Changsha, Hunan Patentee before: Liu Liwen |