CN101768322B - Homopolymerized formaldehyde modified composite material and preparation method thereof - Google Patents
Homopolymerized formaldehyde modified composite material and preparation method thereof Download PDFInfo
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- CN101768322B CN101768322B CN201010104550XA CN201010104550A CN101768322B CN 101768322 B CN101768322 B CN 101768322B CN 201010104550X A CN201010104550X A CN 201010104550XA CN 201010104550 A CN201010104550 A CN 201010104550A CN 101768322 B CN101768322 B CN 101768322B
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- composite material
- modified composite
- carbon black
- homopolymerized
- acefal homopolymer
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Abstract
The invention discloses a homopolymerized formaldehyde modified composite material, belonging to the technical field of a rubber polymer composite material. The homopolymerized formaldehyde modified composite material comprises the following components in percentage by weight: 78.24-88.02% of homopolymerized formaldehyde, 5-15.00% of carbon black, 0-5.00% of paraffin, 0.8-0.9% of aluminum and 0.96-1.08% of silicon. The preparation method comprises the processes of proportioning, mixing, injection molding and the like. The product has the advantages of high wearing resistance, mechanical strength, compression resistance, self-lubricating property and the like, and is mainly used for sealing hydraulic elements of high-pressure ball valves, joints and the like.
Description
Technical field
The present invention relates to a kind of sealing material and preparation method thereof, be specifically related to a kind of acefal homopolymer (POM) modified composite material, belong to the rubber polymer technical field of composite materials.
Background technology
Its molecular formula of acefal homopolymer (POM) is-[CH O] n-, is the polymkeric substance of a kind of high melting-point, high-density, high crystalline, is a kind of of polyoxymethylene, and according to molecular chain chemical structure difference, polyoxymethylene is divided into acefal homopolymer and copolymerized methanal.The solvent resistance of acefal homopolymer, wear resistance, resistance to fatigue, creep resistant and oilness all exceed other macromolecular material, and the ultimate compression strength of acefal homopolymer also will exceed other macromolecular material simultaneously.All used widely in fields such as automobile, machinery, instrument, agricultural machinery, chemical industry, building and household supplies.
But general acefal homopolymer is by our life-time service, when using as sealing material under high-temperature, high pressure, high strength friction situation, exists problems such as creep, thermostability be relatively poor to cause Hydraulic Elements seepage, leakage.Therefore the material property that improves acefal homopolymer seems extremely important.
Summary of the invention
The present invention is exactly in order to address the above problem, and overcomes seepage, the leakage problem of existing sealing material, and a kind of homopolymerized formaldehyde modified composite material is provided, and is main by adding other composition material modification acefal homopolymer with the acefal homopolymer.This invention is applicable to fields such as automobile, machinery, instrument, agricultural machinery, chemical industry, building and household supplies, is mainly used in the sealing of Hydraulic Elements such as high-pressure ball valve and joint.
The technical problem that will solve required for the present invention can be achieved through the following technical solutions:
As an aspect of of the present present invention, a kind of homopolymerized formaldehyde modified composite material, concrete material composition counterweight amount per-cent is (%):
Acefal homopolymer 78.24-88.02%,
Carbon black 5-15.00%,
Paraffin 0-5.00%,
Aluminium 0.8-0.9%,
Silicon 0.96-1.08%.
Preferably, the invention provides a kind of homopolymerized formaldehyde modified composite material, is main by adding other composition material modification acefal homopolymer with the acefal homopolymer; Concrete material composition counterweight amount per-cent is (%):
Acefal homopolymer 83.13%,
Carbon black 10.00%,
Paraffin 5.00%,
Aluminium 0.85%,
Silicon 1.020%.
Preferably, the invention provides a kind of homopolymerized formaldehyde modified composite material, is main by adding other composition material modification acefal homopolymer with the acefal homopolymer; Concrete material composition counterweight amount per-cent is (%):
Acefal homopolymer 78.24%,
Carbon black 10.00%,
Paraffin 5.00%,
Aluminium 0.80%,
Silicon 0.96%.
Preferably, the invention provides a kind of homopolymerized formaldehyde modified composite material, is main by adding other composition material modification acefal homopolymer with the acefal homopolymer; Concrete material composition counterweight amount per-cent is (%):
Acefal homopolymer 83.13%,
Carbon black 15.00%,
Aluminium 0.85%,
Silicon 1.02%.
As another aspect of the present invention, a kind of preparation method of homopolymerized formaldehyde modified composite material may further comprise the steps:
(1) will be according to weight percent: acefal homopolymer 78.24-88.02%, carbon black 5-15.00%, paraffin 0-5.00%, aluminium 0.8-0.9%, silicon 0.96-1.08% material thorough mixing;
(2) the drying machine is under 80-90 ℃ temperature dry 3-4 hour;
(3) adopt injection moulding machine injection molding; Wherein barrel temperature is 170-200 ℃ in the injection moulding process, 175 ℃ of constant temperature, and die temperature is 40-100 ℃.
(4) detect by the ASTM standard.
In sum, the present invention is a main raw with the acefal homopolymer in the course of processing.For improve wear resistance, crushing resistance, self lubricity, plasticity-and in the course of processing acefal homopolymer can decompose the discharge irritant gas, human body is damaged, we by add corresponding proportion paraffin, metallic element improves acefal homopolymer.The carbon black that adds corresponding proportion in addition is to improve the dispersion effect of oil, and the mechanical property of control acefal homopolymer changes.
Beneficial effect of the present invention:
1, this product has advantages such as high-wearing feature, physical strength, crushing resistance, self lubricity;
2, the invention scope of application is more extensive, is applicable in fields such as automobile, machinery, instrument, agricultural machinery, chemical industry, building and household supplies, is particularly useful for the sealing of Hydraulic Elements such as high-pressure ball valve and joint.
3, the preparation method is simple, is fit to large-scale production.
Embodiment
In order to make technique means of the present invention, creation characteristic, to reach purpose and effect is easy to understand,, further set forth the present invention below in conjunction with specific embodiment.
Embodiment 1
Take by weighing following material by material composition counterweight amount per-cent:
Acefal homopolymer 88.02%,
Carbon black 5.00%,
Paraffin 5.00%,
Aluminium 0.90%,
Silicon 1.08%.
1, again with the above-mentioned materials thorough mixing.
2, the drying machine is under 80-90 ℃ temperature dry 3-4 hour.
3, adopt injection moulding machine injection molding.Barrel temperature is 170-200 ℃ in the injection moulding process, 175 ℃ of constant temperature, and die temperature is 40-100 ℃.
4, detect by the ASTM standard.
Embodiment 2
Take by weighing following material by material composition counterweight amount per-cent:
Acefal homopolymer 83.13%,
Carbon black 10.00%,
Paraffin 5.00%,
Aluminium 0.85%,
Silicon 1.020%.
1, again with the above-mentioned materials thorough mixing.
2, the drying machine is under 80-90 ℃ temperature dry 3-4 hour.
3, adopt injection moulding machine injection molding.Barrel temperature is 170-200 ℃ in the injection moulding process, 175 ℃ of constant temperature, and die temperature is 40-100 ℃.
4, detect by the ASTM standard.
Embodiment 3
Take by weighing following material by material composition counterweight amount per-cent:
Acefal homopolymer 78.24%,
Carbon black 10.00%,
Paraffin 5.00%,
Aluminium 0.80%,
Silicon 0.96%.
1, again with the above-mentioned materials thorough mixing.
2, the drying machine is under 80-90 ℃ temperature dry 3-4 hour.
3, adopt injection moulding machine injection molding.Barrel temperature is 170-200 ℃ in the injection moulding process, 175 ℃ of constant temperature, and die temperature is 40-100 ℃.
4, detect by the ASTM standard.
Embodiment 4
Take by weighing following material by material composition counterweight amount per-cent:
Acefal homopolymer 83.13%,
Carbon black 15.00%,
Aluminium 0.85%,
Silicon 1.02%.
1, again with the above-mentioned materials thorough mixing.
2, the drying machine is under 80-90 ℃ temperature dry 3-4 hour.
3, adopt injection moulding machine injection molding.Barrel temperature is 170-200 ℃ in the injection moulding process, 175 ℃ of constant temperature, and die temperature is 40-100 ℃.
4, detect by the ASTM standard.
More than show and described ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification sheets just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (4)
1. homopolymerized formaldehyde modified composite material, concrete material composition counterweight amount per-cent is:
Acefal homopolymer 78.24-88.02%,
Carbon black 5-15.00%,
Paraffin 0-5.00%,
Aluminium 0.8-0.9%,
Silicon 0.96-1.08%.
2. according to the described a kind of homopolymerized formaldehyde modified composite material of claim 1, it is characterized in that, described matrix material, concrete material composition counterweight amount per-cent is:
Acefal homopolymer 83.13%,
Carbon black 10.00%,
Paraffin 5.00%,
Aluminium 0.85%,
Silicon 1.020%.
3. the preparation method of a homopolymerized formaldehyde modified composite material as claimed in claim 1 may further comprise the steps:
(1) will be according to weight percent: acefal homopolymer 78.24-88.02%, carbon black 5-15.00%, paraffin 0-5.00%, aluminium 0.8-0.9%, silicon 0.96-1.08% material thorough mixing;
(2) the drying machine is under 80-90 ℃ temperature dry 3-4 hour;
(3) adopt injection moulding machine injection molding;
(4) detect by the ASTM standard.
4. preparation method according to claim 3 is characterized in that, in the step (3), barrel temperature is 170-200 ℃ in the described injection moulding process, 175 ℃ of constant temperature, and die temperature is 40-100 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010104550XA CN101768322B (en) | 2010-02-02 | 2010-02-02 | Homopolymerized formaldehyde modified composite material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010104550XA CN101768322B (en) | 2010-02-02 | 2010-02-02 | Homopolymerized formaldehyde modified composite material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101768322A CN101768322A (en) | 2010-07-07 |
| CN101768322B true CN101768322B (en) | 2011-10-26 |
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| CN201010104550XA Expired - Fee Related CN101768322B (en) | 2010-02-02 | 2010-02-02 | Homopolymerized formaldehyde modified composite material and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1089966A (en) * | 1993-12-18 | 1994-07-27 | 徐之江 | Polymetallic oily industrial plastics and preparation method thereof |
| WO2004026970A1 (en) * | 2002-09-20 | 2004-04-01 | Toyo Aluminium Kabushiki Kaisha | Gloss pigment for addition to resin, and resin composition and formed resin article comprising the same |
| CN1726256A (en) * | 2002-12-17 | 2006-01-25 | 纳幕尔杜邦公司 | The consistency of crystallographic thermoplastic material and mineral filler is improved |
| CN101121809A (en) * | 2007-09-14 | 2008-02-13 | 上海材料研究所 | Lead-free modified polyformaldehyde material and its preparing method |
-
2010
- 2010-02-02 CN CN201010104550XA patent/CN101768322B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1089966A (en) * | 1993-12-18 | 1994-07-27 | 徐之江 | Polymetallic oily industrial plastics and preparation method thereof |
| WO2004026970A1 (en) * | 2002-09-20 | 2004-04-01 | Toyo Aluminium Kabushiki Kaisha | Gloss pigment for addition to resin, and resin composition and formed resin article comprising the same |
| CN1726256A (en) * | 2002-12-17 | 2006-01-25 | 纳幕尔杜邦公司 | The consistency of crystallographic thermoplastic material and mineral filler is improved |
| CN101121809A (en) * | 2007-09-14 | 2008-02-13 | 上海材料研究所 | Lead-free modified polyformaldehyde material and its preparing method |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2001-261978A 2001.09.26 |
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| CN101768322A (en) | 2010-07-07 |
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Granted publication date: 20111026 Termination date: 20220202 |