CN102344601A - Acid and alkali-resistant polyethylene - Google Patents
Acid and alkali-resistant polyethylene Download PDFInfo
- Publication number
- CN102344601A CN102344601A CN2010102439848A CN201010243984A CN102344601A CN 102344601 A CN102344601 A CN 102344601A CN 2010102439848 A CN2010102439848 A CN 2010102439848A CN 201010243984 A CN201010243984 A CN 201010243984A CN 102344601 A CN102344601 A CN 102344601A
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- vilaterm
- acid
- alkali
- salt
- reaction
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Abstract
The invention relates to an organic polymer composite material, and specifically, relates to acid and alkali-resistant polyethylene. The acid and alkali-resistant polyethylene comprises: by weight, 50.5 to 89.5% of polyethylene, 5 to 40% of an antioxidant, 2 to 30% of conductive graphite, 0.2 to 1.0% of a thermoplastic resin, 0.2 to 2.0% of a plasticizer, 0.3 to 5.5% of activated carbon, and 0.3 to 5.5% of other auxiliary agents. The acid and alkali-resistant polyethylene can replace a metal raw material to be utilized for production of spare and accessory parts or housings, is convenient for processing, has electromagnetic shielding functions belonging to a metal material, is convenient for purchase, and has acid and alkali corrosion resistance and a certain of mechanical strength and temperature toleration, and thus realizing improvement of competitiveness in all respects.
Description
Technical field
The present invention relates to a kind of acid and alkali-resistance Vilaterm.
Background technology
The Vilaterm odorless, nontoxic, the feel ceraceous; Have good resistance to low temperature (minimum use temperature can reach-70～-100 ℃), chemical stability is good, the erosion of the most of soda acids of ability (not anti-acid with oxidizing property); Be insoluble to common solvent under the normal temperature, water-absorbent is little, and electrical insulation capability is good; But Vilaterm is very sensitive for environmental stress (chemistry and mechanical effect), and heat-resistant aging is poor.
The electroconductibility of metal and capability of electromagnetic shielding are that common plastics are not available.And, all relate to the part that need have electro-magnetic screen function at present in civil electronic electrical equipment/toy/communication/cable/many fields such as military project.This series product market basically all has to use raw material metal production at present, and it is big to stand the process for processing difficulty, and link is many, and cost is high, a series of shortcomings that production efficiency is low or the like.These are the present invention's problem that will solve just.When not needing higher heatproof requirement and requirement of strength; Can use and of the present inventionly have the electro-magnetic screen function Vilaterm and carry out injection moulding or extrude production as starting material; Cost reduces significantly, and the raising of production efficiency several times contributes for the lightweight of product and returnability simultaneously; The advantage that also has the not available acid-alkali-corrosive-resisting of raw material metal simultaneously.
Summary of the invention
The objective of the invention is to effectively overcome the defective of prior art, a kind of environmental protection electromagnetic shielding polyethylene starting material of can the alternative metals starting material producing spare and accessory parts or shell are provided.
Technical scheme provided by the invention is following: the acid and alkali-resistance Vilaterm, by following composition by weight forming Vilaterm: 50.5-89.5%, antioxidant: 5-40%; Electrically conductive graphite: 2-30%; Thermoplastic resin: 0.2-1.0%; Softening agent: 0.2-2.0%; Gac: 0.3-5.5%; Other auxiliary agents: 0.3-5.5%.
Vilaterm is made into about 30% the aqueous solution, adds in the reaction kettle, under 40～50 ℃, normal pressure and stirring, slowly add a certain proportion of antioxidant, electrically conductive graphite, thermoplastic resin, softening agent, other auxiliary agents.Wherein, The adding of antioxidant can be so that finished product have oxidation resistant ability; Can prolong the work-ing life of finished product, the adding of electrically conductive graphite can improve wear-resisting wiping, the abrasion resistance properties of plastics; Thermoplastic resin adds as synthetic resins; Can play a part tackiness agent, wherein the adding of softening agent can improve the physical strength of plastics to a certain extent, can be after the adding of several reagent so that the finished product that makes of reaction have higher physicals.After reaction finished, will take out impurity and filtration this moment with active carbon purifying, can obtain 50% Vilaterm salt brine solution.Salt-forming reaction is thermopositive reaction, recirculated water cooling beyond the reaction heat must be removed for this reason, and is oxidized for preventing that Vilaterm salt from contacting with air simultaneously, in production system, fills with nitrogen protection.Under vacuum state, the Vilaterm salt brine solution with 50% through evaporation, dehydration, concentrate, crystallization, drying, can obtain solid polyethylene salt.
The poly advantage of acid and alkali-resistance of the present invention: can produce spare and accessory parts or shell by the alternative metals starting material; He promptly have simultaneously thermoplastics good be convenient to processing characteristics; The electro-magnetic screen function that has simultaneously metal material again; Thereby production procurement is convenient; Relevant cost declines to a great extent; The characteristics and certain mechanical strength and the temperature tolerance that also have acid-alkali-corrosive-resisting simultaneously, comprehensive like this competitive power that improved.
Embodiment
Below be the most preferred embodiment of electromagnetic shielding polyethylene raw material of the present invention and preparation method thereof, therefore do not limit protection scope of the present invention.
Embodiment one, and a kind of acid and alkali-resistance Vilaterm raw material is provided, by following composition by weight forming Vilaterm: 67.5%, antioxidant: 10.5%; Electrically conductive graphite: 17.5%; Thermoplastic resin: 1%; Softening agent: 0.5%; Gac: 0.5%; Other auxiliary agents: 2.5%.
Below be the concrete steps of present embodiment:
The poly preparation method of acid and alkali-resistance of the present invention; Comprise the steps: Vilaterm is made into about 30% the aqueous solution; Add in the reaction kettle; Under 40～50 ℃, normal pressure and stirring, slowly add a certain proportion of antioxidant, electrically conductive graphite, thermoplastic resin, softening agent, other auxiliary agents; After reaction finishes; With active carbon purifying, filtration, can obtain 50% Vilaterm salt brine solution.Salt-forming reaction is thermopositive reaction, recirculated water cooling beyond the reaction heat must be removed for this reason, and is oxidized for preventing that Vilaterm salt from contacting with air simultaneously, in production system, fills with nitrogen protection.Under vacuum state, the Vilaterm salt brine solution with 50% through evaporation, dehydration, concentrate, crystallization, drying, can obtain solid polyethylene salt.
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 technical scope that the present invention disclosed; 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. acid and alkali-resistance Vilaterm is characterized in that: by following composition by weight forming Vilaterm: 50.5-89.5%, antioxidant: 5-40%; Electrically conductive graphite: 2-30%; Thermoplastic resin: 0.2-1.0%; Softening agent: 0.2-2.0%; Gac: 0.3-5.5%; Other auxiliary agents: 0.3-5.5%.
2. one kind prepares the poly method of acid and alkali-resistance; It is characterized in that: comprise the steps: Vilaterm is made into about 30% the aqueous solution; Add in the reaction kettle; Under 40～50 ℃, normal pressure and stirring, slowly add a certain proportion of antioxidant, electrically conductive graphite, thermoplastic resin, softening agent, other auxiliary agents; After reaction finishes; With active carbon purifying, filtration, can obtain 50% Vilaterm salt brine solution.Salt-forming reaction is thermopositive reaction, recirculated water cooling beyond the reaction heat must be removed for this reason, and is oxidized for preventing that Vilaterm salt from contacting with air simultaneously, in production system, fills with nitrogen protection.Under vacuum state, the Vilaterm salt brine solution with 50% through evaporation, dehydration, concentrate, crystallization, drying, can obtain solid polyethylene salt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102439848A CN102344601A (en) | 2010-08-02 | 2010-08-02 | Acid and alkali-resistant polyethylene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102439848A CN102344601A (en) | 2010-08-02 | 2010-08-02 | Acid and alkali-resistant polyethylene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102344601A true CN102344601A (en) | 2012-02-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102439848A Pending CN102344601A (en) | 2010-08-02 | 2010-08-02 | Acid and alkali-resistant polyethylene |
Country Status (1)
| Country | Link |
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| CN (1) | CN102344601A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102982877A (en) * | 2012-12-24 | 2013-03-20 | 揭阳市广福电子实业有限公司 | Audio and video signal transmission conduction wire |
| CN103012932A (en) * | 2012-12-24 | 2013-04-03 | 揭阳市广福电子实业有限公司 | Electromagnetic shielding synthetic board |
-
2010
- 2010-08-02 CN CN2010102439848A patent/CN102344601A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102982877A (en) * | 2012-12-24 | 2013-03-20 | 揭阳市广福电子实业有限公司 | Audio and video signal transmission conduction wire |
| CN103012932A (en) * | 2012-12-24 | 2013-04-03 | 揭阳市广福电子实业有限公司 | Electromagnetic shielding synthetic board |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| DD01 | Delivery of document by public notice |
Addressee: Suzhou Industrial Park Xinfenglin Plastic Technology Co.,Ltd. Wang Zhifeng Document name: Notification of Publication and of Entering the Substantive Examination Stage of the Application for Invention |
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| DD01 | Delivery of document by public notice |
Addressee: Suzhou Industrial Park Xinfenglin Plastic Technology Co.,Ltd. Wang Zhifeng Document name: the First Notification of an Office Action |
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| DD01 | Delivery of document by public notice |
Addressee: Suzhou Industrial Park Xinfenglin Plastic Technology Co.,Ltd. Document name: Notification that Application Deemed to be Withdrawn |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120208 |