CN107129655A - A kind of novel antistatic polyurethane/polyformaldehyde composite material and preparation method thereof - Google Patents
A kind of novel antistatic polyurethane/polyformaldehyde composite material and preparation method thereof Download PDFInfo
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- CN107129655A CN107129655A CN201710426379.6A CN201710426379A CN107129655A CN 107129655 A CN107129655 A CN 107129655A CN 201710426379 A CN201710426379 A CN 201710426379A CN 107129655 A CN107129655 A CN 107129655A
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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
- C08L59/00—Compositions of polyacetals; Compositions of derivatives of polyacetals
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/017—Additives being an antistatic agent
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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
- C08L2201/04—Antistatic
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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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- Polyurethanes Or Polyureas (AREA)
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Abstract
The invention discloses a kind of novel antistatic polyurethane/polyformaldehyde composite material, in parts by weight, including following components：30 50 parts of polyformaldehyde; 10 15 parts of polyurethane, 36 parts of polyethylene glycol oxide, 8 10 parts of polytetrafluoroethylene (PTFE); 12 parts of lauramide ethyl-hydroxyethyl Sodium Glycinate; 0.5 1.5 parts of lauroyl diacetoxyl amine, 0.1 0.65 parts of glycerin monostearate, 0.5 0.8 parts of ethoxylation stearmide; 12 parts of photomask agent; 0.5 1.5 parts of heat stabilizer, 1.25 1.5 parts of lubricant, 0.8 2 parts of compatilizer.The invention also discloses the preparation method of the composite.Polyformaldehyde/compound polyurethane material that the present invention is provided, antistatic property is good, and wearability is good, with preferable self-lubricating effect; wear-resisting, resistant to chemical etching, high temperature resistant, excellent in mechanical performance, apparatus and process is simple; with relatively low cost, and it is nontoxic, be conducive to environmental protection.
Description
Technical field：
The present invention relates to field of polymer composite material, a kind of novel antistatic polyurethane/polyformaldehyde is specifically related to multiple
Condensation material.
Background technology：
Polyformaldehyde, also known as polyoxygenated methine, molecular structure is regular and crystallinity makes its physical and mechanical properties very excellent,
There is the title of " metallo-plastic ".It has good combination property and coloring, and relative density is low, breathes freely and moisture vapor permeable is more low
Feature, with higher modulus of elasticity, very high rigidity and hardness, specific strength and than rigid close to metal；It is tensile strength, curved
Qu Qiangdu, creep resistant and fatigue performance are excellent, and resistance to repeated stock, to unload recovery excellent；Coefficient of friction is small, abrasion performance, chi
Very little stability is good, lustrous surface is good, viscoplasticity is high, and electrical insulating property is excellent, and is not affected by temperature；Resistance to good insulating is not by humidity shadow
Ring.Due to its above excellent properties so that in industries such as automobile, electric, household electrical appliance, precision optical machinery and construction materials.
But, with electronic electric equipment shell, wire cable insulating sheath, electronic chip packaging material and rod
The development to antistatic requirement such as material, sheet material, market requires also more and more to the antistatic behaviour of engineering plastics.Polyformaldehyde is used as
During part in the various parts or dust working environment in record media equipment, in order to prevent dust attachment, caused by electrostatic
Various misoperations or caused by accumulation of static electricity it is dangerous, often require that these molded components have preferable antistatic behaviour.
Accordingly, it would be desirable to which a kind of polyformaldehyde, has, good antistatic effect prevents that dust is attached caused by electrostatic problem
, the misoperation of various parts of appliance or caused by accumulation of static electricity it is dangerous, and need, with relatively low production cost, to make
Antistatic formaldehyde generally using being possibly realized.
The content of the invention：
It is an object of the invention to provide a kind of novel antistatic polyurethane/polyformaldehyde composite material, its antistatic property is good,
Wearability is good, with preferable self-lubricating effect, wear-resisting, resistant to chemical etching, high temperature resistant, excellent in mechanical performance, apparatus and process letter
Singly, with relatively low cost, and it is nontoxic, be conducive to environmental protection.
It is a further object to provide the preparation method of the composite.
To achieve the above object, the present invention uses following technical scheme：
A kind of novel antistatic polyurethane/polyformaldehyde composite material, in parts by weight, including following components：
30-50 parts of polyformaldehyde, 10-15 parts of polyurethane,
3-6 parts of polyethylene glycol oxide, 8-10 parts of polytetrafluoroethylene (PTFE),
1-2 parts of lauramide ethyl-hydroxyethyl Sodium Glycinate,
0.5-1.5 parts of lauroyl diacetoxyl amine,
0.1-0.65 parts of glycerin monostearate,
0.5-0.8 parts of ethoxylation stearmide,
1-2 parts of photomask agent, 0.5-1.5 parts of heat stabilizer,
1.25-1.5 parts of lubricant, 0.8-2 parts of compatilizer.
As the preferred of above-mentioned technical proposal, a kind of novel antistatic polyurethane/polyformaldehyde composite material, with parts by weight
Meter, including following components：
40 parts of polyformaldehyde, 11 parts of polyurethane,
4.5 parts of polyethylene glycol oxide, 9 parts of polytetrafluoroethylene (PTFE),
1.25 parts of lauramide ethyl-hydroxyethyl Sodium Glycinate,
1.1 parts of lauroyl diacetoxyl amine,
0.58 part of glycerin monostearate,
0.75 part of ethoxylation stearmide,
1.5 parts of photomask agent, 1 part of heat stabilizer,
1.3 parts of lubricant, 1.5 parts of compatilizer.
As the preferred of above-mentioned technical proposal, the polyformaldehyde is copoly type polyformaldehyde, and its relative density is 1.4-1.43.
As the preferred of above-mentioned technical proposal, the molecular weight of the polyethylene glycol oxide is 1 × 105-1×106。
As the preferred of above-mentioned technical proposal, the photomask agent be nano-titanium oxide, nano zine oxide, CNT,
Polybenzimidazoles, bis(2,2,6,6-tetramethyl-4-piperidyl)sebacate, the Ethyl oxalyl two of the 2- ethyoxyl -5- tert-butyl groups -2
One or more mixing in aniline.
As the preferred of above-mentioned technical proposal, the heat stabilizer is zinc stearate and/or calcium stearate and/or aliphatic acid
Zinc and/or fatty acid calcium.
As the preferred of above-mentioned technical proposal, the compatilizer is polymethyl methacrylate and/or polyamidoimide.
A kind of preparation method of novel antistatic polyurethane/polyformaldehyde composite material, comprises the following steps：
(1) by polyurethane, polyethylene glycol oxide, polytetrafluoroethylene (PTFE), lauramide ethyl-hydroxyethyl Sodium Glycinate, lauroyl
Diacetoxyl amine, glycerin monostearate, ethoxylation stearmide are added in high-speed kneading machine, 5000-8000 turn/
Point, 5-15min is mediated in the state of 120-150 DEG C, polyformaldehyde, photomask agent, heat stabilizer, lubricant and compatible is continuously added
Agent, at 150-180 DEG C, mediates 10-20min, obtains mixed material；
(2) mixed material for obtaining step (1) is molded into after double screw extruder extruding pelletization, then by injection machine
Type, obtains novel antistatic polyurethane/polyformaldehyde composite material.
As the preferred of above-mentioned technical proposal, in step (2), the process conditions of the extruding pelletization are：Barrel temperature：1
175-180 DEG C of area, 2 180-185 DEG C of areas, 3 180-195 DEG C of areas, 4 185-200 DEG C of areas, five 180-195 DEG C of areas, head 175-190
℃。
As the preferred of above-mentioned technical proposal, the process conditions of injection molding are described in step (2)：Barrel temperature：Before
190-195 DEG C of section, 185-190 DEG C of stage casing, 180-185 DEG C of back segment, injection pressure 6-8MPa, injection time 5-7s, dwell time
12-15s。
The invention has the advantages that：
Novel antistatic polyurethane/polyformaldehyde composite material that the present invention is provided, its antistatic property is good, and wearability is good,
With preferable self-lubricating effect, wear-resisting, resistant to chemical etching, high temperature resistant, excellent in mechanical performance, apparatus and process is simple, and raw material is easy
, with relatively low cost, and it is nontoxic, be conducive to environmental protection.
Embodiment：
For a better understanding of the present invention, below by embodiment, the present invention is further described, and embodiment is served only for explaining
The present invention, will not constitute any restriction to the present invention.
Embodiment 1
A kind of novel antistatic polyurethane/polyformaldehyde composite material, in parts by weight, including following components：
30 parts of polyformaldehyde, 10 parts of polyurethane,
3 parts of polyethylene glycol oxide, 8 parts of polytetrafluoroethylene (PTFE),
1 part of lauramide ethyl-hydroxyethyl Sodium Glycinate,
0.5 part of lauroyl diacetoxyl amine,
0.1 part of glycerin monostearate,
0.5 part of ethoxylation stearmide,
1 part of photomask agent, 0.5 part of heat stabilizer,
1.25 parts of lubricant, 0.8 part of compatilizer.
Its preparation method comprises the following steps：
(1) by polyurethane, polyethylene glycol oxide, polytetrafluoroethylene (PTFE), lauramide ethyl-hydroxyethyl Sodium Glycinate, lauroyl
Diacetoxyl amine, glycerin monostearate, ethoxylation stearmide are added in high-speed kneading machine, in 5000 revs/min, 120
5min is mediated in the state of DEG C, polyformaldehyde, photomask agent, heat stabilizer, lubricant and compatilizer is continuously added, at 150 DEG C,
10min is mediated, mixed material is obtained；
(2) mixed material for obtaining step (1) is molded into after double screw extruder extruding pelletization, then by injection machine
Type, obtains novel antistatic polyurethane/polyformaldehyde composite material.
Wherein, the process conditions of extruding pelletization are：Barrel temperature：1 175 DEG C of area, 2 180 DEG C of areas, 3 180 DEG C of areas, 4 areas 185
DEG C, five 180 DEG C of areas, 175 DEG C of head.
The process conditions of injection molding are：Barrel temperature：190 DEG C of leading portion, 185 DEG C of stage casing, 180 DEG C of back segment, injection pressure
6MPa, injection time 5s, dwell time 12s.
Embodiment 2
A kind of novel antistatic polyurethane/polyformaldehyde composite material, in parts by weight, including following components：
50 parts of polyformaldehyde, 15 parts of polyurethane,
6 parts of polyethylene glycol oxide, 10 parts of polytetrafluoroethylene (PTFE),
2 parts of lauramide ethyl-hydroxyethyl Sodium Glycinate,
1.5 parts of lauroyl diacetoxyl amine,
0.65 part of glycerin monostearate,
0.8 part of ethoxylation stearmide,
2 parts of photomask agent, 1.5 parts of heat stabilizer,
1.5 parts of lubricant, 2 parts of compatilizer.
Its preparation method comprises the following steps：
(1) by polyurethane, polyethylene glycol oxide, polytetrafluoroethylene (PTFE), lauramide ethyl-hydroxyethyl Sodium Glycinate, lauroyl
Diacetoxyl amine, glycerin monostearate, ethoxylation stearmide are added in high-speed kneading machine, in 8000 revs/min, 150
15min is mediated in the state of DEG C, polyformaldehyde, photomask agent, heat stabilizer, lubricant and compatilizer is continuously added, at 180 DEG C
Under, 20min is mediated, mixed material is obtained；
(2) mixed material for obtaining step (1) is molded into after double screw extruder extruding pelletization, then by injection machine
Type, obtains novel antistatic polyurethane/polyformaldehyde composite material.
Wherein, the process conditions of extruding pelletization are：Barrel temperature：1 180 DEG C of area, 2 185 DEG C of areas, 3 195 DEG C of areas, 4 areas 200
DEG C, five 195 DEG C of areas, 190 DEG C of head.
The process conditions of injection molding are：Barrel temperature：195 DEG C of leading portion, 190 DEG C of stage casing, 185 DEG C of back segment, injection pressure
8MPa, injection time 7s, dwell time 15s.
Embodiment 3
A kind of novel antistatic polyurethane/polyformaldehyde composite material, in parts by weight, including following components：
35 parts of polyformaldehyde, 11 parts of polyurethane,
4 parts of polyethylene glycol oxide, 8.5 parts of polytetrafluoroethylene (PTFE),
1.2 parts of lauramide ethyl-hydroxyethyl Sodium Glycinate,
0.7 part of lauroyl diacetoxyl amine,
0.2 part of glycerin monostearate,
0.6 part of ethoxylation stearmide,
1.2 parts of photomask agent, 0.7 part of heat stabilizer,
1.3 parts of lubricant, 1 part of compatilizer.
Its preparation method comprises the following steps：
(1) by polyurethane, polyethylene glycol oxide, polytetrafluoroethylene (PTFE), lauramide ethyl-hydroxyethyl Sodium Glycinate, lauroyl
Diacetoxyl amine, glycerin monostearate, ethoxylation stearmide are added in high-speed kneading machine, in 6000 revs/min, 130
7min is mediated in the state of DEG C, polyformaldehyde, photomask agent, heat stabilizer, lubricant and compatilizer is continuously added, at 160 DEG C,
12min is mediated, mixed material is obtained；
(2) mixed material for obtaining step (1) is molded into after double screw extruder extruding pelletization, then by injection machine
Type, obtains novel antistatic polyurethane/polyformaldehyde composite material.
Wherein, the process conditions of extruding pelletization are：Barrel temperature：1 176 DEG C of area, 2 181 DEG C of areas, 3 182 DEG C of areas, 4 areas 188
DEG C, five 182 DEG C of areas, 177 DEG C of head.
The process conditions of injection molding are：Barrel temperature：191 DEG C of leading portion, 186 DEG C of stage casing, 181 DEG C of back segment, injection pressure
6.5MPa, injection time 6s, dwell time 13s.
Embodiment 4
A kind of novel antistatic polyurethane/polyformaldehyde composite material, in parts by weight, including following components：
40 parts of polyformaldehyde, 12 parts of polyurethane,
4.5 parts of polyethylene glycol oxide, 8.8 parts of polytetrafluoroethylene (PTFE),
1.4 parts of lauramide ethyl-hydroxyethyl Sodium Glycinate,
0.9 part of lauroyl diacetoxyl amine,
0.3 part of glycerin monostearate,
0.65 part of ethoxylation stearmide,
1.4 parts of photomask agent, 0.9 part of heat stabilizer,
1.35 parts of lubricant, 1.2 parts of compatilizer.
Its preparation method comprises the following steps：
(1) by polyurethane, polyethylene glycol oxide, polytetrafluoroethylene (PTFE), lauramide ethyl-hydroxyethyl Sodium Glycinate, lauroyl
Diacetoxyl amine, glycerin monostearate, ethoxylation stearmide are added in high-speed kneading machine, in 6500 revs/min, 135
9min is mediated in the state of DEG C, polyformaldehyde, photomask agent, heat stabilizer, lubricant and compatilizer is continuously added, at 165 DEG C,
14min is mediated, mixed material is obtained；
(2) mixed material for obtaining step (1) is molded into after double screw extruder extruding pelletization, then by injection machine
Type, obtains novel antistatic polyurethane/polyformaldehyde composite material.
Wherein, the process conditions of extruding pelletization are：Barrel temperature：1 177 DEG C of area, 2 182 DEG C of areas, 3 184 DEG C of areas, 4 areas 190
DEG C, five 186 DEG C of areas, 180 DEG C of head.
The process conditions of injection molding are：Barrel temperature：192 DEG C of leading portion, 187 DEG C of stage casing, 182 DEG C of back segment, injection pressure
7MPa, injection time 5s, dwell time 14s.
Embodiment 5
A kind of novel antistatic polyurethane/polyformaldehyde composite material, in parts by weight, including following components：
45 parts of polyformaldehyde, 13 parts of polyurethane,
5 parts of polyethylene glycol oxide, 9 parts of polytetrafluoroethylene (PTFE),
1.6 parts of lauramide ethyl-hydroxyethyl Sodium Glycinate,
1.1 parts of lauroyl diacetoxyl amine,
0.4 part of glycerin monostearate,
0.7 part of ethoxylation stearmide,
1.6 parts of photomask agent, 1.1 parts of heat stabilizer,
1.4 parts of lubricant, 1.4 parts of compatilizer.
Its preparation method comprises the following steps：
(1) by polyurethane, polyethylene glycol oxide, polytetrafluoroethylene (PTFE), lauramide ethyl-hydroxyethyl Sodium Glycinate, lauroyl
Diacetoxyl amine, glycerin monostearate, ethoxylation stearmide are added in high-speed kneading machine, in 7000 revs/min, 140
11min is mediated in the state of DEG C, polyformaldehyde, photomask agent, heat stabilizer, lubricant and compatilizer is continuously added, at 170 DEG C
Under, 16min is mediated, mixed material is obtained；
(2) mixed material for obtaining step (1) is molded into after double screw extruder extruding pelletization, then by injection machine
Type, obtains novel antistatic polyurethane/polyformaldehyde composite material.
Wherein, the process conditions of extruding pelletization are：Barrel temperature：1 178 DEG C of area, 2 183 DEG C of areas, 3 185 DEG C of areas, 4 areas 190
DEG C, five 188 DEG C of areas, 180 DEG C of head.
The process conditions of injection molding are：Barrel temperature：193 DEG C of leading portion, 188 DEG C of stage casing, 183 DEG C of back segment, injection pressure
7.5MPa, injection time 7s, dwell time 13s.
Embodiment 6
A kind of novel antistatic polyurethane/polyformaldehyde composite material, in parts by weight, including following components：
48 parts of polyformaldehyde, 14 parts of polyurethane,
5.5 parts of polyethylene glycol oxide, 9.5 parts of polytetrafluoroethylene (PTFE),
1.8 parts of lauramide ethyl-hydroxyethyl Sodium Glycinate,
1.3 parts of lauroyl diacetoxyl amine,
0.5 part of glycerin monostearate,
0.75 part of ethoxylation stearmide,
1.8 parts of photomask agent, 1.3 parts of heat stabilizer,
1.45 parts of lubricant, 1.8 parts of compatilizer.
Its preparation method comprises the following steps：
(1) by polyurethane, polyethylene glycol oxide, polytetrafluoroethylene (PTFE), lauramide ethyl-hydroxyethyl Sodium Glycinate, lauroyl
Diacetoxyl amine, glycerin monostearate, ethoxylation stearmide are added in high-speed kneading machine, in 7500 revs/min, 145
13min is mediated in the state of DEG C, polyformaldehyde, photomask agent, heat stabilizer, lubricant and compatilizer is continuously added, at 175 DEG C
Under, 18min is mediated, mixed material is obtained；
(2) mixed material for obtaining step (1) is molded into after double screw extruder extruding pelletization, then by injection machine
Type, obtains novel antistatic polyurethane/polyformaldehyde composite material.
Wherein, the process conditions of extruding pelletization are：Barrel temperature：1 179 DEG C of area, 2 184 DEG C of areas, 3 190 DEG C of areas, 4 areas 195
DEG C, five 190 DEG C of areas, 185 DEG C of head.
The process conditions of injection molding are：Barrel temperature：194 DEG C of leading portion, 189 DEG C of stage casing, 184 DEG C of back segment, injection pressure
7.5MPa, injection time 6s, dwell time 15s.
Claims (10)
1. a kind of novel antistatic polyurethane/polyformaldehyde composite material, it is characterised in that in parts by weight, including following components：
30-50 parts of polyformaldehyde, 10-15 parts of polyurethane,
3-6 parts of polyethylene glycol oxide, 8-10 parts of polytetrafluoroethylene (PTFE),
1-2 parts of lauramide ethyl-hydroxyethyl Sodium Glycinate,
0.5-1.5 parts of lauroyl diacetoxyl amine,
0.1-0.65 parts of glycerin monostearate,
0.5-0.8 parts of ethoxylation stearmide,
1-2 parts of photomask agent, 0.5-1.5 parts of heat stabilizer,
1.25-1.5 parts of lubricant, 0.8-2 parts of compatilizer.
2. a kind of novel antistatic polyurethane/polyformaldehyde composite material as claimed in claim 1, it is characterised in that with weight
Part meter, including following components：
40 parts of polyformaldehyde, 11 parts of polyurethane,
4.5 parts of polyethylene glycol oxide, 9 parts of polytetrafluoroethylene (PTFE),
1.25 parts of lauramide ethyl-hydroxyethyl Sodium Glycinate,
1.1 parts of lauroyl diacetoxyl amine,
0.58 part of glycerin monostearate,
0.75 part of ethoxylation stearmide,
1.5 parts of photomask agent, 1 part of heat stabilizer,
1.3 parts of lubricant, 1.5 parts of compatilizer.
3. a kind of novel antistatic polyurethane/polyformaldehyde composite material as claimed in claim 1, it is characterised in that described poly-
Formaldehyde is copoly type polyformaldehyde, and its relative density is 1.4-1.43.
4. a kind of novel antistatic polyurethane/polyformaldehyde composite material as claimed in claim 1, it is characterised in that described poly-
The molecular weight of ethylene oxide is 1 × 105-1×106。
5. a kind of novel antistatic polyurethane/polyformaldehyde composite material as claimed in claim 1, it is characterised in that the light
Screener is nano-titanium oxide, nano zine oxide, CNT, polybenzimidazoles, double (2,2,6,6- tetramethyl -4- piperidyls)
One or more mixing in sebacate, the ethyloxanilide of the 2- ethyoxyl -5- tert-butyl groups -2.
6. a kind of novel antistatic polyurethane/polyformaldehyde composite material as claimed in claim 1, it is characterised in that the heat
Stabilizer is zinc stearate and/or calcium stearate and/or fatty acid zinc and/or fatty acid calcium.
7. a kind of novel antistatic polyurethane/polyformaldehyde composite material as claimed in claim 1, it is characterised in that the phase
It is polymethyl methacrylate and/or polyamidoimide to hold agent.
8. a kind of preparation method of novel antistatic polyurethane/polyformaldehyde composite material as described in claim 1 to 7 is any,
It is characterised in that it includes following steps：
(1) by polyurethane, polyethylene glycol oxide, polytetrafluoroethylene (PTFE), lauramide ethyl-hydroxyethyl Sodium Glycinate, lauroyl diethyl
Acidic group amine, glycerin monostearate, ethoxylation stearmide are added in high-speed kneading machine, at 5000-8000 revs/min,
5-15min is mediated in the state of 120-150 DEG C, polyformaldehyde, photomask agent, heat stabilizer, lubricant and compatilizer is continuously added,
At 150-180 DEG C, 10-20min is mediated, mixed material is obtained；
(2) mixed material for obtaining step (1) is obtained after double screw extruder extruding pelletization, then by injection machine injection molding
To novel antistatic polyurethane/polyformaldehyde composite material.
9. a kind of preparation method of novel antistatic polyurethane/polyformaldehyde composite material as claimed in claim 8, its feature exists
In in step (2), the process conditions of the extruding pelletization are：Barrel temperature：1 175-180 DEG C of area, 2 180-185 DEG C of areas, 3rd area
180-195 DEG C, 4 185-200 DEG C of areas, five 180-195 DEG C of areas, 175-190 DEG C of head.
10. a kind of preparation method of novel antistatic polyurethane/polyformaldehyde composite material as claimed in claim 8, its feature
It is, the process conditions of injection molding are described in step (2)：Barrel temperature：190-195 DEG C of leading portion, 185-190 DEG C of stage casing,
180-185 DEG C of back segment, injection pressure 6-8MPa, injection time 5-7s, dwell time 12-15s.
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Cited By (3)
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| CN109266034A (en) * | 2018-08-14 | 2019-01-25 | 太仓金凯特新材料科技有限公司 | A kind of NEW TYPE OF COMPOSITE high molecular material and preparation method thereof |
| CN109796723A (en) * | 2019-01-30 | 2019-05-24 | 杭州师范大学 | A kind of antistatic, rub resistance and wear-resistant polyformaldehyde material and preparation method thereof |
| CN110862647A (en) * | 2019-10-23 | 2020-03-06 | 高邮市恒辉机械有限公司 | MC nylon anti-skid block for power head of rotary drilling rig |
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| CN103694623A (en) * | 2013-12-18 | 2014-04-02 | 河南能源化工集团研究院有限公司 | Flame-retardant anti-static polyformaldehyde resin based on composite halogen-free flame-retardant system |
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| CN109266034A (en) * | 2018-08-14 | 2019-01-25 | 太仓金凯特新材料科技有限公司 | A kind of NEW TYPE OF COMPOSITE high molecular material and preparation method thereof |
| CN109796723A (en) * | 2019-01-30 | 2019-05-24 | 杭州师范大学 | A kind of antistatic, rub resistance and wear-resistant polyformaldehyde material and preparation method thereof |
| CN109796723B (en) * | 2019-01-30 | 2021-10-22 | 杭州师范大学 | Antistatic, friction-resistant and wear-resistant polyformaldehyde material and preparation method thereof |
| CN110862647A (en) * | 2019-10-23 | 2020-03-06 | 高邮市恒辉机械有限公司 | MC nylon anti-skid block for power head of rotary drilling rig |
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