CN106633552A - Environment-friendly composite engineering plastic - Google Patents
Environment-friendly composite engineering plastic Download PDFInfo
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- CN106633552A CN106633552A CN201611172790.7A CN201611172790A CN106633552A CN 106633552 A CN106633552 A CN 106633552A CN 201611172790 A CN201611172790 A CN 201611172790A CN 106633552 A CN106633552 A CN 106633552A
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Abstract
The invention discloses environment-friendly composite engineering plastic. The environment-friendly composite engineering plastic is prepared from the following raw materials in parts by weight: 20 to 38 parts of polytetrafluoroethylene, 15 to 20 parts of hexamethoxymethyl melamine, 5 to 10 parts of mica powder, 8 to 12 parts of nanoscale aluminum oxide, 5 to 15 parts of vinyl acetate, 10 to 20 parts of fiberglass, 8 to 12 parts of trimellitic anhydride, 4 to 12 parts of Ti3SiC2, 2 to 8 parts of methacrylic anhydride, 1 to 3 parts of ZrC, 2 to 5 parts of magnesium oxide and 5 to 10 parts of sodium silicate. The environment-friendly composite engineering plastic disclosed by the invention can achieve a synergistic effect through raw material compounding, and has the advantages of high tensile strength, high bending strength, good flame retardency and high notched izod impact strength; according to the environment-friendly composite engineering plastic, the raw materials are easy to obtain, and the raw materials are low-cost; meanwhile, a preparation technology is simple, the production efficiency is high, the product quality is good, and the environment-friendly composite engineering plastic is more environment-friendly.
Description
Technical field
The present invention relates to a kind of engineering plastics, specifically a kind of environmentally friendly composite engineering plastics.
Background technology
Engineering plastics can make engineering material and replace the plastics of metal manufacture machine parts etc..Engineering plastics have excellent
Combination property, rigidity is big, and creep is little, high mechanical strength, heat-resist, and electrical insulating property is good, can be in harsher chemistry, physics
Use for a long time in environment, alternative metal is used as structural timber, but expensive, and yield is less.
Engineering plastics can be divided into general engineering plastic and the class of special engineering plastics two again.The former principal item have polyamide,
Merlon, polyformaldehyde, Noryl and the big general engineering plastic of thermoplastic polyester five；The latter is primarily referred to as heat-resisting up to 150
Engineering plastics more than DEG C, principal item has polyimides, polyphenylene sulfide, polysulfones, aromatic polyamide, polyarylate, polyphenyl
Ester, PAEK, liquid crystal polymer and fluororesin etc..
The performance characteristics of engineering plastics are mainly：
(1) compared with general-purpose plastics, with excellent heat-resisting and cold tolerance, the mechanical performance within the scope of extensive temperature
It is excellent, suitably use as structural material；
(2) corrosion resistance is good, affected by environment less, there is good durability；
(3) compared with metal material, it is easily worked, production efficiency is high, and can simplify program, saves expense；
(4) there are good dimensional stability and electrical insulating property；
(5) lightweight, specific strength is high, and with prominent antifriction, wearability.
With quickly growing for the industries such as China's automobile, electronics and building, China has become the increasing of global project plastics demand
The most fast country of length.But existing engineering plastics still have the shortcomings that complex manufacturing, production cost are high, have impact on product
The production efficiency of product；And product quality also has much room for improvement.
The content of the invention
It is an object of the invention to provide a kind of environmentally friendly composite engineering plastics, to solve above-mentioned background technology in propose ask
Topic.
For achieving the above object, the present invention provides following technical scheme：
A kind of environmentally friendly composite engineering plastics, are prepared from the following raw materials in parts by weight：Polytetrafluoroethylene (PTFE) 20-38 parts, six hydroxyls
Methyl melamine pregnancy ether 15-20 parts, mica powder 5-10 parts, alumina in Nano level 8-12 parts, vinyl acetate 5-15 parts, glass
Fiber 10-20 parts, trimellitic anhydride 8-12 parts, Ti3SiC2 4-12 parts, methacrylic anhydride 2-8 parts, ZrC 1-3 parts, magnesia
2-5 parts, sodium metasilicate 5-10 parts.
As further scheme of the invention：It is prepared from the following raw materials in parts by weight：28 parts of polytetrafluoroethylene (PTFE), six hydroxyl first
19 parts of base melamine pregnancy ether, 7 parts of mica powder, 10 parts of alumina in Nano level, 8 parts of vinyl acetate, 15 parts of glass fibre, inclined benzene
Three 10 parts of acid anhydrides, Ti3SiC28 parts, 6 parts of methacrylic anhydride, 2 parts of ZrC, 4 parts of magnesia, 6 parts of sodium metasilicate.
A kind of preparation method of environmentally friendly composite engineering plastics, preparation method is：
(1) polytetrafluoroethylene (PTFE), hexamethylolmelamine pregnancy ether, mica powder, nanoscale oxygen are weighed according to above-mentioned formula
Change aluminium, vinyl acetate, glass fibre, trimellitic anhydride, Ti3SiC2, methacrylic anhydride, ZrC, magnesia, sodium metasilicate, it is standby；
(2) by polytetrafluoroethylene (PTFE), glass fibre, mica powder, ZrC, magnesia, alumina in Nano level in 100-200 DEG C of temperature
The lower stirring mixing 10-20min of degree；
(3) by Ti3SiC2Walk on adding after mixing with sodium metasilicate in gains, mix at a temperature of 200-250 DEG C
15-25min；
(4) hexamethylolmelamine pregnancy ether, vinyl acetate, trimellitic anhydride, methacrylic anhydride are sequentially added
To in upper step gains, 30-50min is stirred at a temperature of 100-150 DEG C；
(5) upper step gains are put into extruder, base extrusion, gets product at a temperature of 200-275 DEG C.
As further scheme of the invention：The step (2) by polytetrafluoroethylene (PTFE), glass fibre, mica powder, ZrC,
Magnesia, alumina in Nano level stir mixing 15min at a temperature of 150 DEG C.
As further scheme of the invention：The step (3) is by Ti3SiC2Institute is walked on adding after mixing with sodium metasilicate
In obtaining thing, at a temperature of 225 DEG C 20min is mixed；
As further scheme of the invention：The step (4) is by hexamethylolmelamine pregnancy ether, acetic acid second
Alkene, trimellitic anhydride, methacrylic anhydride are added sequentially in step gains, and at a temperature of 125 DEG C 40min is stirred.
As further scheme of the invention：The step (5) is put into upper step gains in extruder, at 235 DEG C
At a temperature of base extrusion, get product.
Compared with prior art, the invention has the beneficial effects as follows：
The composite engineering plastics play synergy by raw material compounding, high, fire-retardant with tensile strength height, bending strength
Performance is good, cantilever beam lacks the high advantage of impact strength；The composite engineering plastics raw material is easy to get, cost of material is low, while preparing work
Skill is simple, and production efficiency is high, superior product quality, and more environmentally-friendly；In addition, the composite engineering plastics have excellent heat endurance
And electric conductivity, can with recycling, it is to avoid the wasting of resources.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Embodiment 1
A kind of environmentally friendly composite engineering plastics, are prepared from the following raw materials in parts by weight：20 parts of polytetrafluoroethylene (PTFE), hexamethylol
15 parts of melamine pregnancy ether, 5 parts of mica powder, 8 parts of alumina in Nano level, 5 parts of vinyl acetate, 10 parts of glass fibre, inclined benzene three
8 parts of acid anhydrides, Ti3SiC24 parts, 2 parts of methacrylic anhydride, 1 part of ZrC, 2 parts of magnesia, 5 parts of sodium metasilicate.
A kind of preparation method of environmentally friendly composite engineering plastics, preparation method is：
(1) polytetrafluoroethylene (PTFE), hexamethylolmelamine pregnancy ether, mica powder, nanoscale oxygen are weighed according to above-mentioned formula
Change aluminium, vinyl acetate, glass fibre, trimellitic anhydride, Ti3SiC2, methacrylic anhydride, ZrC, magnesia, sodium metasilicate, it is standby；
(2) by polytetrafluoroethylene (PTFE), glass fibre, mica powder, ZrC, magnesia, alumina in Nano level at a temperature of 100 DEG C
Stirring mixing 10min；
(3) by Ti3SiC2Walk in gains on adding after mixing with sodium metasilicate, at a temperature of 200 DEG C 15min is mixed；
(4) hexamethylolmelamine pregnancy ether, vinyl acetate, trimellitic anhydride, methacrylic anhydride are sequentially added
To in upper step gains, at a temperature of 100 DEG C 30min is stirred；
(5) upper step gains are put into extruder, base extrusion, gets product at a temperature of 200 DEG C.
Embodiment 2
A kind of environmentally friendly composite engineering plastics, are prepared from the following raw materials in parts by weight：38 parts of polytetrafluoroethylene (PTFE), hexamethylol
20 parts of melamine pregnancy ether, 10 parts of mica powder, 12 parts of alumina in Nano level, 15 parts of vinyl acetate, 20 parts of glass fibre, inclined benzene
Three 12 parts of acid anhydrides, Ti3SiC2 12 parts, 8 parts of methacrylic anhydride, 3 parts of ZrC, 5 parts of magnesia, 10 parts of sodium metasilicate.
A kind of preparation method of environmentally friendly composite engineering plastics, preparation method is：
(1) polytetrafluoroethylene (PTFE), hexamethylolmelamine pregnancy ether, mica powder, nanoscale oxygen are weighed according to above-mentioned formula
Change aluminium, vinyl acetate, glass fibre, trimellitic anhydride, Ti3SiC2, methacrylic anhydride, ZrC, magnesia, sodium metasilicate, it is standby；
(2) by polytetrafluoroethylene (PTFE), glass fibre, mica powder, ZrC, magnesia, alumina in Nano level at a temperature of 200 DEG C
Stirring mixing 20min；
(3) by Ti3SiC2Walk in gains on adding after mixing with sodium metasilicate, at a temperature of 250 DEG C 25min is mixed；
(4) hexamethylolmelamine pregnancy ether, vinyl acetate, trimellitic anhydride, methacrylic anhydride are sequentially added
To in upper step gains, at a temperature of 150 DEG C 50min is stirred；
(5) upper step gains are put into extruder, base extrusion, gets product at a temperature of 275 DEG C.
Embodiment 3
A kind of environmentally friendly composite engineering plastics, are prepared from the following raw materials in parts by weight：28 parts of polytetrafluoroethylene (PTFE), hexamethylol
19 parts of melamine pregnancy ether, 7 parts of mica powder, 10 parts of alumina in Nano level, 8 parts of vinyl acetate, 15 parts of glass fibre, inclined benzene three
10 parts of acid anhydrides, Ti3SiC28 parts, 6 parts of methacrylic anhydride, 2 parts of ZrC, 4 parts of magnesia, 6 parts of sodium metasilicate.
A kind of preparation method of environmentally friendly composite engineering plastics, preparation method is：
(1) polytetrafluoroethylene (PTFE), hexamethylolmelamine pregnancy ether, mica powder, nanoscale oxygen are weighed according to above-mentioned formula
Change aluminium, vinyl acetate, glass fibre, trimellitic anhydride, Ti3SiC2, methacrylic anhydride, ZrC, magnesia, sodium metasilicate, it is standby；
(2) by polytetrafluoroethylene (PTFE), glass fibre, mica powder, ZrC, magnesia, alumina in Nano level at a temperature of 150 DEG C
Stirring mixing 15min；
(3) by Ti3SiC2Walk in gains on adding after mixing with sodium metasilicate, at a temperature of 225 DEG C 20min is mixed；
(4) hexamethylolmelamine pregnancy ether, vinyl acetate, trimellitic anhydride, methacrylic anhydride are sequentially added
To in upper step gains, at a temperature of 125 DEG C 40min is stirred；
(5) upper step gains are put into extruder, base extrusion, gets product at a temperature of 235 DEG C.
Comparative example 1
A kind of environmentally friendly composite engineering plastics, are prepared from the following raw materials in parts by weight：28 parts of polytetrafluoroethylene (PTFE), hexamethylol
19 parts of melamine pregnancy ether, 7 parts of mica powder, 10 parts of alumina in Nano level, 8 parts of vinyl acetate, 15 parts of glass fibre, inclined benzene three
10 parts of acid anhydrides, 6 parts of methacrylic anhydride, 2 parts of ZrC, 4 parts of magnesia, 6 parts of sodium metasilicate.
A kind of preparation method of environmentally friendly composite engineering plastics, preparation method is：
(1) polytetrafluoroethylene (PTFE), hexamethylolmelamine pregnancy ether, mica powder, nanoscale oxygen are weighed according to above-mentioned formula
Change aluminium, vinyl acetate, glass fibre, trimellitic anhydride, methacrylic anhydride, ZrC, magnesia, sodium metasilicate, it is standby；
(2) by polytetrafluoroethylene (PTFE), glass fibre, mica powder, ZrC, magnesia, alumina in Nano level at a temperature of 150 DEG C
Stirring mixing 15min；
(3) sodium metasilicate is added in step gains, at a temperature of 225 DEG C 20min is mixed；
(4) hexamethylolmelamine pregnancy ether, vinyl acetate, trimellitic anhydride, methacrylic anhydride are sequentially added
To in upper step gains, at a temperature of 125 DEG C 40min is stirred；
(5) upper step gains are put into extruder, base extrusion, gets product at a temperature of 235 DEG C.
Comparative example and in be not added with Ti3SiC2。
Comparative example 2
A kind of environmentally friendly composite engineering plastics, are prepared from the following raw materials in parts by weight：28 parts of polytetrafluoroethylene (PTFE), hexamethylol
19 parts of melamine pregnancy ether, 7 parts of mica powder, 10 parts of alumina in Nano level, 8 parts of vinyl acetate, 15 parts of glass fibre, inclined benzene three
10 parts of acid anhydrides, Ti3SiC28 parts, 6 parts of methacrylic anhydride, 4 parts of magnesia, 6 parts of sodium metasilicate.
A kind of preparation method of environmentally friendly composite engineering plastics, preparation method is：
(1) polytetrafluoroethylene (PTFE), hexamethylolmelamine pregnancy ether, mica powder, nanoscale oxygen are weighed according to above-mentioned formula
Change aluminium, vinyl acetate, glass fibre, trimellitic anhydride, Ti3SiC2, methacrylic anhydride, magnesia, sodium metasilicate, it is standby；
(2) polytetrafluoroethylene (PTFE), glass fibre, mica powder, magnesia, alumina in Nano level are stirred at a temperature of 150 DEG C
Mixing 15min；
(3) by Ti3SiC2Walk in gains on adding after mixing with sodium metasilicate, at a temperature of 225 DEG C 20min is mixed；
(4) hexamethylolmelamine pregnancy ether, vinyl acetate, trimellitic anhydride, methacrylic anhydride are sequentially added
To in upper step gains, at a temperature of 125 DEG C 40min is stirred；
(5) upper step gains are put into extruder, base extrusion, gets product at a temperature of 235 DEG C.
ZrC is not added with comparative example 2.
The performance of embodiment 3 and comparative example 1-2 see the table below：
The performance of table embodiment 3 and comparative example 1-2
Above-mentioned 5 embodiment products are positioned in baking oven, are dried at a temperature of 100 DEG C 5 hours, then will by GB standards
Product is molded into sample test, and the performance parameter of test is listed in the table below.
As can be seen from the above table, ZrC and Ti3SiC2Addition can effectively improve the performance of the composite engineering plastics.
The composite engineering plastics play synergy by raw material compounding, high, fire-retardant with tensile strength height, bending strength
Performance is good, cantilever beam lacks the high advantage of impact strength；The composite engineering plastics raw material is easy to get, cost of material is low, while preparing work
Skill is simple, and production efficiency is high, superior product quality, and more environmentally-friendly；In addition, the composite engineering plastics have excellent heat endurance
And electric conductivity, can with recycling, it is to avoid the wasting of resources.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can be with the premise of without departing from this patent objective
Make a variety of changes.
Claims (7)
1. a kind of environmentally friendly composite engineering plastics, it is characterised in that be prepared from the following raw materials in parts by weight：Polytetrafluoroethylene (PTFE) 20-
38 parts, hexamethylolmelamine pregnancy ether 15-20 parts, mica powder 5-10 parts, alumina in Nano level 8-12 parts, vinyl acetate 5-
15 parts, glass fibre 10-20 parts, trimellitic anhydride 8-12 parts, Ti3SiC2 4-12 parts, methacrylic anhydride 2-8 parts, ZrC 1-3
Part, magnesia 2-5 parts, sodium metasilicate 5-10 parts.
2. environmentally friendly composite engineering plastics according to claim 1, it is characterised in that by the raw material system of following parts by weight
Into：28 parts of polytetrafluoroethylene (PTFE), 19 parts of hexamethylolmelamine pregnancy ether, 7 parts of mica powder, 10 parts of alumina in Nano level, acetic acid
8 parts of ethene, 15 parts of glass fibre, 10 parts of trimellitic anhydride, Ti3SiC28 parts, 6 parts of methacrylic anhydride, 2 parts of ZrC, magnesia
4 parts, 6 parts of sodium metasilicate.
3. a kind of preparation method of the environmentally friendly composite engineering plastics as described in claim 1-2 is arbitrary, it is characterised in that preparation side
Method is：
(1) according to above-mentioned formula weigh polytetrafluoroethylene (PTFE), hexamethylolmelamine pregnancy ether, mica powder, alumina in Nano level,
Vinyl acetate, glass fibre, trimellitic anhydride, Ti3SiC2, methacrylic anhydride, ZrC, magnesia, sodium metasilicate, it is standby；
(2) by polytetrafluoroethylene (PTFE), glass fibre, mica powder, ZrC, magnesia, alumina in Nano level at a temperature of 100-200 DEG C
Stirring mixing 10-20min；
(3) by Ti3SiC2Walk in gains on adding after mixing with sodium metasilicate, 15- is mixed at a temperature of 200-250 DEG C
25min；
(4) hexamethylolmelamine pregnancy ether, vinyl acetate, trimellitic anhydride, methacrylic anhydride are added sequentially to
In step gains, 30-50min is stirred at a temperature of 100-150 DEG C；
(5) upper step gains are put into extruder, base extrusion, gets product at a temperature of 200-275 DEG C.
4. the preparation method of environmentally friendly composite engineering plastics according to claim 3, it is characterised in that the step (2) will
Polytetrafluoroethylene (PTFE), glass fibre, mica powder, ZrC, magnesia, alumina in Nano level stir mixing 15min at a temperature of 150 DEG C.
5. the preparation method of environmentally friendly composite engineering plastics according to claim 3, it is characterised in that the step (3) will
Ti3SiC2Walk in gains on adding after mixing with sodium metasilicate, at a temperature of 225 DEG C 20min is mixed.
6. the preparation method of environmentally friendly composite engineering plastics according to claim 3, it is characterised in that the step (4) will
Hexamethylolmelamine pregnancy ether, vinyl acetate, trimellitic anhydride, methacrylic anhydride are added sequentially to step gains
In, stir 40min at a temperature of 125 DEG C.
7. the preparation method of environmentally friendly composite engineering plastics according to claim 3, it is characterised in that the step (5) will
Upper step gains are put into extruder, and base extrusion, gets product at a temperature of 235 DEG C.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107739465A (en) * | 2017-11-14 | 2018-02-27 | 安徽同力新材料有限公司 | A kind of modified engineered plastic |
| CN107746496A (en) * | 2017-11-14 | 2018-03-02 | 安徽同力新材料有限公司 | A kind of Wear-resistant engineering plastic |
| CN107778635A (en) * | 2017-11-14 | 2018-03-09 | 安徽同力新材料有限公司 | A kind of fire-resistant engineering plastics |
| KR20200036607A (en) * | 2018-09-28 | 2020-04-07 | 주식회사 엘지화학 | A resin composition with improved impact strength |
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| KR102340924B1 (en) * | 2018-09-28 | 2021-12-16 | 주식회사 엘지화학 | A resin composition with improved impact strength |
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| CN106633552B (en) | 2018-10-02 |
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