CN102061087A - Environmental-friendly injection molding grade modified nylon 6 material with high elongation at break - Google Patents
Environmental-friendly injection molding grade modified nylon 6 material with high elongation at break Download PDFInfo
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- CN102061087A CN102061087A CN2010105755851A CN201010575585A CN102061087A CN 102061087 A CN102061087 A CN 102061087A CN 2010105755851 A CN2010105755851 A CN 2010105755851A CN 201010575585 A CN201010575585 A CN 201010575585A CN 102061087 A CN102061087 A CN 102061087A
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Abstract
The invention discloses an environmental-friendly injection molding grade modified nylon 6 material with high elongation at break, which comprises the following components in percent by weight: 49.5-90 percent of nylon 66, 3-35 percent of nylon modifying agent, 1-35 percent of bulking agent, 0.3-1.5 percent of antioxidant and 0.3-5.5 percent of other additives. The environmental-friendly injection molding grade modified nylon 6 material with high elongation at break can resist low temperature of -40 DEG C, and is convenient for producing and purchasing; and raw and auxiliary materials and production equipment are produced in China, thus the competitiveness is greatly improved.
Description
Technical field
The present invention relates to a kind of organic polymer composite, more particularly, relate to a kind of environmental protection high elongation at tear injection grade modification of nylon 6 materials.The invention still further relates to the method for making this environmental protection high elongation at tear injection grade modification of nylon 6 materials.
Background technology
Nylon 6 is polyamide resins, use one of maximum several engineering plastics at present, his amide group has polarity, in his structure, has well-set hydrogen bond, make that the fusing point of nylon 6 is higher, have good physical and mechanical property and wear resistance and self lubricity, these comprehensive characteristics are that other plastics are not available.But the elongation at break of pure nylon 6 is lower, and this shortcoming is more outstanding than low ambient temperature the time.The employed nylon 6 material in many places is arranged, need keep under original tensile strength of nylon 6 material and the temperature tolerance prerequisite, possesses higher elongation at break characteristic, and can under extremely low temperature, still possess this feature, in the market, the extrusion grade nylon 6 material possesses certain elongation at break, but still is not very high, and the nylon 6 material of injection grade is just lower.
Summary of the invention
The objective of the invention is to, provide a kind of and can tolerate cryogenic environmental protection high elongation at tear injection grade modification of nylon 6 materials of subzero 40 degree.
Technical scheme provided by the invention is as follows: a kind of environmental protection high elongation at tear injection grade modification of nylon 6 materials, form nylon 6:49.5-90%, modified nylon agent: 3-35% by weight by following composition; Expanding material: 1-35%, antioxidant: 0.3-1.5%; Other auxiliary agents: 0.3-5.5%.
Environmental protection high elongation at tear injection grade modification of nylon 6 preparation methods of the present invention; comprise the steps: earlier with nylon 6 oven dry; then with all auxiliary agents proportionally after the weighing in mixer low speed mixing 10 minutes; through the parallel parallel dual-screw extruding machine of cord wood mixing extruding under the screw combinations situation that certain intensity is sheared, pelletizing of water-cooled tie rod or underwater cutpellet make environmental protection high elongation at tear injection grade modification of nylon 6 materials through screening and dewatering again.
The advantage of environmental protection high elongation at tear injection grade modification of nylon 6 materials of the present invention is: can tolerate subzero 40 degree low temperature, and production procurement is convenient, raw and auxiliary material and production unit all adopt homemade, greatly improve the competitiveness like this.
Embodiment
Below be the most preferred embodiment of environmental protection high elongation at tear injection grade modification of nylon 6 materials of the present invention, therefore do not limit protection scope of the present invention.
Embodiment one, and a kind of environmental protection high elongation at tear injection grade modification of nylon 6 materials are provided, and forms nylon 6:83.5% by weight by following composition; Modified nylon agent: 12%; Expanding material: 3.0%, antioxidant: 1.0%; Other auxiliary agents: 0.5%.
Earlier with nylon 6 oven dry, then with modified nylon agent, expanding material, antioxidant, other auxiliary agents proportionally after the weighing in mixer low speed mixing 10 minutes, mixer adopts low speed mixing, paddle should with the barrel gap less than 0.5 centimetre, the supplementary material mixed effect should visual various particles and powder, liquid even substantially, do not have obvious agglomerate or gather; Twin screw extruder uses 40 length-to-diameter ratios, and higher-strength is sheared; Adopt water-cooled tie rod pelletizing mode, promptly make environmental protection high elongation at tear injection grade modification of nylon 6 materials through screening and dewatering.
The above; it only is the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the disclosed technical scope of the present invention; variation or the replacement that can expect without creative work all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (2)
1. environmental protection high elongation at tear injection grade modification of nylon 6 materials is characterized in that, form nylon 6:49.5-90%, modified nylon agent: 3-35% by weight by following composition; Expanding material: 1-35%, antioxidant: 0.3-1.5%; Other auxiliary agents: 0.3-5.5%.
2. environmental protection high elongation at tear injection grade modification of nylon 6 preparation methods; it is characterized in that; comprise the steps: earlier with nylon 6 oven dry; then with all auxiliary agents proportionally after the weighing in mixer low speed mixing 10 minutes; through the parallel parallel dual-screw extruding machine of cord wood mixing extruding under the screw combinations situation that certain intensity is sheared, pelletizing of water-cooled tie rod or underwater cutpellet make environmental protection high elongation at tear injection grade modification of nylon 6 materials through screening and dewatering again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105755851A CN102061087A (en) | 2010-12-06 | 2010-12-06 | Environmental-friendly injection molding grade modified nylon 6 material with high elongation at break |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105755851A CN102061087A (en) | 2010-12-06 | 2010-12-06 | Environmental-friendly injection molding grade modified nylon 6 material with high elongation at break |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102061087A true CN102061087A (en) | 2011-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105755851A Pending CN102061087A (en) | 2010-12-06 | 2010-12-06 | Environmental-friendly injection molding grade modified nylon 6 material with high elongation at break |
Country Status (1)
| Country | Link |
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| CN (1) | CN102061087A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102924914A (en) * | 2012-11-26 | 2013-02-13 | 科创聚合物(苏州)有限公司 | High-elongation at break injection molding-level modified nylon 6 material |
-
2010
- 2010-12-06 CN CN2010105755851A patent/CN102061087A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102924914A (en) * | 2012-11-26 | 2013-02-13 | 科创聚合物(苏州)有限公司 | High-elongation at break injection molding-level modified nylon 6 material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 215001 Jiangsu Province, Suzhou City Industrial Park Yang Fu Road No. 55 Applicant after: Kechuang Polymer (Suzhou) Co., Ltd. Address before: 215001 Jiangsu Province, Suzhou City Industrial Park Yang Fu Road No. 55 Applicant before: Suzhou City Kechuang Polymer Co., Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: SUZHOU CITY KECHUANG POLYMER CO., LTD. TO: KECHUANG POLYMER (SUZHOU) CO.,LTD. |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110518 |