CN108948684A - A kind of environmental protection PBT engineering plastics and preparation method thereof - Google Patents
A kind of environmental protection PBT engineering plastics and preparation method thereof Download PDFInfo
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- CN108948684A CN108948684A CN201810570946.XA CN201810570946A CN108948684A CN 108948684 A CN108948684 A CN 108948684A CN 201810570946 A CN201810570946 A CN 201810570946A CN 108948684 A CN108948684 A CN 108948684A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- Polymers & Plastics (AREA)
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Abstract
The invention discloses a kind of environmental protection PBT engineering plastics and preparation method thereof, PBT engineering plastic component includes 30-50 parts of PBT resin in parts by weight, 10-20 parts of phenol-formaldehyde resin modified, 4-10 parts of pentaerythritol stearate, 3-9 parts of silicon powder, 2-6 parts of graphene, 2-4 parts of glass fibre, 1-3 parts of polyester fiber, 4-12 parts of antimony oxide, 5-10 parts of nanometer calcium carbonate, 8-18 parts of modified calcium carbonate filler, 6-16 parts of polyacrylamide, 3-9 parts of magnesia, 4-10 parts of silane coupling agent, preparation method of the present invention is simple, PBT engineering plastics obtained have excellent fire-retardant, it is wear-resisting, high temperature resistance, long service life.
Description
Technical field
The present invention relates to PBT engineering plastics preparation technical field, specially a kind of environmental protection PBT engineering plastics and its preparation side
Method.
Background technique
PBT engineering plastics have excellent electrical property, mechanical property, chemical resistance, thermal stability and easily molded
Property, to be widely used in the industrial circles such as automobile, electronic apparatus.But there is also notch shock sensitivities for PBT engineering plastics
Property is big, shock resistance is poor, the disadvantage of poor flame retardant properties, abrasion resistant effect difference, these disadvantages limit the application of PBT.
Summary of the invention
The purpose of the present invention is to provide a kind of environmental protection PBT engineering plastics and preparation method thereof, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the invention provides the following technical scheme: a kind of environmental protection PBT engineering plastics, PBT engineering plastics
Component include in parts by weight 30-50 parts of PBT resin, 10-20 parts of phenol-formaldehyde resin modified, 4-10 parts of pentaerythritol stearate,
3-9 parts of silicon powder, 2-6 parts of graphene, 2-4 parts of glass fibre, 1-3 parts of polyester fiber, 4-12 parts of antimony oxide, nano-calcium carbonate
5-10 parts of calcium, 8-18 parts of modified calcium carbonate filler, 6-16 parts of polyacrylamide, 3-9 parts of magnesia, 4-10 parts of silane coupling agent.
Preferably, the preferred composition proportion of PBT engineering plastic component include 40 parts of PBT resin, 15 parts of phenol-formaldehyde resin modified,
7 parts of pentaerythritol stearate, 6 parts of silicon powder, 4 parts of graphene, 3 parts of glass fibre, 2 parts of polyester fiber, antimony oxide 8
Part, 8 parts of nanometer calcium carbonate, 13 parts of modified calcium carbonate filler, 11 parts of polyacrylamide, 6 parts of magnesia, 7 parts of silane coupling agent.
Preferably, preparation method includes the following steps:
A, by silicon powder, graphene, glass fibre, polyester fiber, antimony oxide, nanometer calcium carbonate, modified calcium carbonate
It is added in grinder and grinds after filler, magnesia mixing, time 12min-24min obtains mixture A；
B, phenol-formaldehyde resin modified, pentaerythritol stearate and silane coupling agent are added in mixture A, after being sufficiently mixed
High low speed in agitator tank is added to be mixed, obtains mixture B；
C, PBT resin and polyacrylamide are sequentially added in mixture B, is added in kneading machine and is kneaded after mixing, are kneaded
Temperature is 120 DEG C -150 DEG C, and time 20min-30min obtains mixture C；
D, mixture C is added twin-screw extrude into melting extrusion, obtains mixing material；
E, mixing material is added and is granulated machine granulation to get PBT engineering plastics are arrived.
Preferably, high-speed stirred is first used in the step B, stirring rate is 3000-4000 revs/min, time 8min-
14min, later using stirring at low speed, stirring rate is 200-600 revs/min, mixing time 10min-18min.
Compared with prior art, the beneficial effects of the present invention are: preparation method of the present invention is simple, PBT engineering plastic obtained
Material has excellent fire-retardant, wear-resisting, high temperature resistance, long service life；Silicon powder, the graphene added in the present invention, can
Further increase the wear-resisting property of engineering plastics；Modified calcium carbonate filler, the polyacrylamide of addition, can further improve
The flame retardant property of engineering plastics；In addition, the preparation method that the present invention uses is easy to operate, preparation process is environment friendly and pollution-free, uses
High low speed is mixed, and can prevent raw material from caking phenomenon occur, further improve the quality of engineering plastics.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
The invention provides the following technical scheme: a kind of environmental protection PBT engineering plastics, PBT engineering plastic component is in parts by weight
Including 30-50 parts of PBT resin, 10-20 parts of phenol-formaldehyde resin modified, 4-10 parts of pentaerythritol stearate, 3-9 parts of silicon powder, stone
Black alkene 2-6 parts, 2-4 parts of glass fibre, 1-3 parts of polyester fiber, 4-12 parts of antimony oxide, 5-10 parts of nanometer calcium carbonate, modification
8-18 parts of pearl filler, 6-16 parts of polyacrylamide, 3-9 parts of magnesia, 4-10 parts of silane coupling agent.
Embodiment one:
PBT engineering plastic component includes that 30 parts of PBT resin, 10 parts of phenol-formaldehyde resin modified, pentaerythrite are hard in parts by weight
4 parts of resin acid ester, 3 parts of silicon powder, 2 parts of graphene, 2 parts of glass fibre, 1 part of polyester fiber, 4 parts of antimony oxide, nano-calcium carbonate
5 parts of calcium, 8 parts of modified calcium carbonate filler, 6 parts of polyacrylamide, 3 parts of magnesia, 4 parts of silane coupling agent.
The preparation method of the present embodiment the following steps are included:
A, by silicon powder, graphene, glass fibre, polyester fiber, antimony oxide, nanometer calcium carbonate, modified calcium carbonate
It is added in grinder and grinds after filler, magnesia mixing, time 12min obtains mixture A；
B, phenol-formaldehyde resin modified, pentaerythritol stearate and silane coupling agent are added in mixture A, after being sufficiently mixed
High low speed in agitator tank is added to be mixed, obtains mixture B；
C, PBT resin and polyacrylamide are sequentially added in mixture B, is added in kneading machine and is kneaded after mixing, are kneaded
Temperature is 120 DEG C, and time 20min obtains mixture C；
D, mixture C is added twin-screw extrude into melting extrusion, obtains mixing material；
E, mixing material is added and is granulated machine granulation to get PBT engineering plastics are arrived.
In the present embodiment, high-speed stirred is first used in step B, stirring rate is 3000 revs/min, time 8min, later
Using stirring at low speed, stirring rate is 200 revs/min, mixing time 10min.
Embodiment two:
PBT engineering plastic component includes that 50 parts of PBT resin, 20 parts of phenol-formaldehyde resin modified, pentaerythrite are hard in parts by weight
10 parts of resin acid ester, 9 parts of silicon powder, 6 parts of graphene, 4 parts of glass fibre, 3 parts of polyester fiber, 12 parts of antimony oxide, nano-sized carbon
10 parts of sour calcium, 18 parts of modified calcium carbonate filler, 16 parts of polyacrylamide, 9 parts of magnesia, 10 parts of silane coupling agent.
The preparation method of the present embodiment the following steps are included:
A, by silicon powder, graphene, glass fibre, polyester fiber, antimony oxide, nanometer calcium carbonate, modified calcium carbonate
It is added in grinder and grinds after filler, magnesia mixing, time 24min obtains mixture A；
B, phenol-formaldehyde resin modified, pentaerythritol stearate and silane coupling agent are added in mixture A, after being sufficiently mixed
High low speed in agitator tank is added to be mixed, obtains mixture B；
C, PBT resin and polyacrylamide are sequentially added in mixture B, is added in kneading machine and is kneaded after mixing, are kneaded
Temperature is 150 DEG C, and time 30min obtains mixture C；
D, mixture C is added twin-screw extrude into melting extrusion, obtains mixing material；
E, mixing material is added and is granulated machine granulation to get PBT engineering plastics are arrived.
In the present embodiment, high-speed stirred is first used in step B, stirring rate is 4000 revs/min, time 14min, later
Using stirring at low speed, stirring rate is 600 revs/min, mixing time 18min.
Embodiment three:
PBT engineering plastic component includes that 35 parts of PBT resin, 12 parts of phenol-formaldehyde resin modified, pentaerythrite are hard in parts by weight
6 parts of resin acid ester, 4 parts of silicon powder, 3 parts of graphene, 2 parts of glass fibre, 2 parts of polyester fiber, 5 parts of antimony oxide, nano-calcium carbonate
6 parts of calcium, 10 parts of modified calcium carbonate filler, 8 parts of polyacrylamide, 4 parts of magnesia, 5 parts of silane coupling agent.
The preparation method of the present embodiment the following steps are included:
A, by silicon powder, graphene, glass fibre, polyester fiber, antimony oxide, nanometer calcium carbonate, modified calcium carbonate
It is added in grinder and grinds after filler, magnesia mixing, time 14min obtains mixture A；
B, phenol-formaldehyde resin modified, pentaerythritol stearate and silane coupling agent are added in mixture A, after being sufficiently mixed
High low speed in agitator tank is added to be mixed, obtains mixture B；
C, PBT resin and polyacrylamide are sequentially added in mixture B, is added in kneading machine and is kneaded after mixing, are kneaded
Temperature is 125 DEG C, and time 22min obtains mixture C；
D, mixture C is added twin-screw extrude into melting extrusion, obtains mixing material；
E, mixing material is added and is granulated machine granulation to get PBT engineering plastics are arrived.
In the present embodiment, high-speed stirred is first used in step B, stirring rate is 3200 revs/min, time 10min, later
Using stirring at low speed, stirring rate is 300 revs/min, mixing time 11min.
Example IV:
PBT engineering plastic component includes that 45 parts of PBT resin, 18 parts of phenol-formaldehyde resin modified, pentaerythrite are hard in parts by weight
9 parts of resin acid ester, 8 parts of silicon powder, 5 parts of graphene, 4 parts of glass fibre, 3 parts of polyester fiber, 10 parts of antimony oxide, nano-calcium carbonate
9 parts of calcium, 16 parts of modified calcium carbonate filler, 15 parts of polyacrylamide, 8 parts of magnesia, 8 parts of silane coupling agent.
The preparation method of the present embodiment the following steps are included:
A, by silicon powder, graphene, glass fibre, polyester fiber, antimony oxide, nanometer calcium carbonate, modified calcium carbonate
It is added in grinder and grinds after filler, magnesia mixing, time 22min obtains mixture A；
B, phenol-formaldehyde resin modified, pentaerythritol stearate and silane coupling agent are added in mixture A, after being sufficiently mixed
High low speed in agitator tank is added to be mixed, obtains mixture B；
C, PBT resin and polyacrylamide are sequentially added in mixture B, is added in kneading machine and is kneaded after mixing, are kneaded
Temperature is 145 DEG C, and time 28min obtains mixture C；
D, mixture C is added twin-screw extrude into melting extrusion, obtains mixing material；
E, mixing material is added and is granulated machine granulation to get PBT engineering plastics are arrived.
In the present embodiment, high-speed stirred is first used in step B, stirring rate is 3800 revs/min, time 12min, later
Using stirring at low speed, 500 revs/min of stirring rate, mixing time 17min.
Embodiment five:
PBT engineering plastic component includes that 40 parts of PBT resin, 15 parts of phenol-formaldehyde resin modified, pentaerythrite are hard in parts by weight
7 parts of resin acid ester, 6 parts of silicon powder, 4 parts of graphene, 3 parts of glass fibre, 2 parts of polyester fiber, 8 parts of antimony oxide, nano-calcium carbonate
8 parts of calcium, 13 parts of modified calcium carbonate filler, 11 parts of polyacrylamide, 6 parts of magnesia, 7 parts of silane coupling agent.
The preparation method of the present embodiment the following steps are included:
A, by silicon powder, graphene, glass fibre, polyester fiber, antimony oxide, nanometer calcium carbonate, modified calcium carbonate
It is added in grinder and grinds after filler, magnesia mixing, time 18min obtains mixture A；
B, phenol-formaldehyde resin modified, pentaerythritol stearate and silane coupling agent are added in mixture A, after being sufficiently mixed
High low speed in agitator tank is added to be mixed, obtains mixture B；
C, PBT resin and polyacrylamide are sequentially added in mixture B, is added in kneading machine and is kneaded after mixing, are kneaded
Temperature is 135 DEG C, and time 25min obtains mixture C；
D, mixture C is added twin-screw extrude into melting extrusion, obtains mixing material；
E, mixing material is added and is granulated machine granulation to get PBT engineering plastics are arrived.
In the present embodiment, high-speed stirred is first used in step B, stirring rate is 3500 revs/min, time 11min, later
Using stirring at low speed, stirring rate is 400 revs/min, mixing time 14min.
Experimental example:
It is tested for the property using engineering plastics made from various embodiments of the present invention, obtains data and be as follows:
| Bending strength (MPA) | Tensile strength (MPA) | |
| Embodiment one | 92 | 102 |
| Embodiment two | 90 | 102 |
| Embodiment three | 91 | 104 |
| Example IV | 92 | 103 |
| Embodiment five | 95 | 106 |
Preparation method of the present invention is simple, and PBT engineering plastics obtained have excellent fire-retardant, wear-resisting, high temperature resistance, makes
It is long with the service life；Silicon powder, the graphene added in the present invention, can further increase the wear-resisting property of engineering plastics；Addition
Modified calcium carbonate filler, polyacrylamide can further improve the flame retardant property of engineering plastics；In addition, the present invention uses
Preparation method it is easy to operate, preparation process is environment friendly and pollution-free, using high low speed be mixed, can prevent raw material from tying
Block phenomenon further improves the quality of engineering plastics.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of environmental protection PBT engineering plastics, it is characterised in that: PBT engineering plastic component includes PBT resin 30- in parts by weight
50 parts, 10-20 parts of phenol-formaldehyde resin modified, 4-10 parts of pentaerythritol stearate, 3-9 parts of silicon powder, 2-6 parts of graphene, glass
2-4 parts of fiber, 1-3 parts of polyester fiber, 4-12 parts of antimony oxide, 5-10 parts of nanometer calcium carbonate, modified calcium carbonate filler 8-18
Part, 6-16 parts of polyacrylamide, 3-9 parts of magnesia, 4-10 parts of silane coupling agent.
2. a kind of environmental protection PBT engineering plastics according to claim 1, it is characterised in that: PBT engineering plastic component is preferred
Composition proportion includes 40 parts of PBT resin, 15 parts of phenol-formaldehyde resin modified, 7 parts of pentaerythritol stearate, 6 parts of silicon powder, graphene
4 parts, it is 3 parts of glass fibre, 2 parts of polyester fiber, 8 parts of antimony oxide, 8 parts of nanometer calcium carbonate, 13 parts of modified calcium carbonate filler, poly-
11 parts of acrylamide, 6 parts of magnesia, 7 parts of silane coupling agent.
3. realizing a kind of preparation method of environmental protection PBT engineering plastics described in claim 1, it is characterised in that: preparation method
The following steps are included:
A, by silicon powder, graphene, glass fibre, polyester fiber, antimony oxide, nanometer calcium carbonate, modified calcium carbonate filler,
It is added in grinder and grinds after magnesia mixing, time 12min-24min obtains mixture A；
B, phenol-formaldehyde resin modified, pentaerythritol stearate and silane coupling agent are added in mixture A, is added after being sufficiently mixed
High low speed is mixed in agitator tank, obtains mixture B；
C, PBT resin and polyacrylamide are sequentially added in mixture B, are added in kneading machine and are kneaded after mixing, melting temperature
It is 120 DEG C -150 DEG C, time 20min-30min obtains mixture C；
D, mixture C is added twin-screw extrude into melting extrusion, obtains mixing material；
E, mixing material is added and is granulated machine granulation to get PBT engineering plastics are arrived.
4. a kind of preparation method of environmental protection PBT engineering plastics as claimed in claim 3, it is characterised in that: it is first adopted in the step B
With high-speed stirred, stirring rate is 3000-4000 revs/min, time 8min-14min, and later using stirring at low speed, stirring is fast
Rate is 200-600 revs/min, mixing time 10min-18min.
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| CN201810570946.XA CN108948684A (en) | 2018-06-05 | 2018-06-05 | A kind of environmental protection PBT engineering plastics and preparation method thereof |
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| CN201810570946.XA CN108948684A (en) | 2018-06-05 | 2018-06-05 | A kind of environmental protection PBT engineering plastics and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110103891A (en) * | 2019-05-29 | 2019-08-09 | 河北科力汽车零部件有限公司 | A kind of windshield having from defrosting function |
| CN114644813A (en) * | 2020-12-18 | 2022-06-21 | 湖南登科材料科技有限公司 | Biodegradable plastic master batch produced by utilizing bio-based pBAt and preparation method thereof |
-
2018
- 2018-06-05 CN CN201810570946.XA patent/CN108948684A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110103891A (en) * | 2019-05-29 | 2019-08-09 | 河北科力汽车零部件有限公司 | A kind of windshield having from defrosting function |
| CN110103891B (en) * | 2019-05-29 | 2022-07-22 | 河北科力汽车装备股份有限公司 | Front windshield with self-defogging function |
| CN114644813A (en) * | 2020-12-18 | 2022-06-21 | 湖南登科材料科技有限公司 | Biodegradable plastic master batch produced by utilizing bio-based pBAt and preparation method thereof |
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