CN107841086A - Low smell fiberglass reinforced polyformaldehyde composite material and preparation method thereof - Google Patents
Low smell fiberglass reinforced polyformaldehyde composite material and preparation method thereof Download PDFInfo
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- CN107841086A CN107841086A CN201610835184.2A CN201610835184A CN107841086A CN 107841086 A CN107841086 A CN 107841086A CN 201610835184 A CN201610835184 A CN 201610835184A CN 107841086 A CN107841086 A CN 107841086A
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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
- C08L59/04—Copolyoxymethylenes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K2201/003—Additives being defined by their diameter
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Abstract
The invention provides a kind of low smell fiberglass reinforced polyformaldehyde composite material and preparation method thereof, it includes：Polyformaldehyde 60-100 parts, glass fibre 20-40 parts, eliminating smell agent 2-10 parts, antioxidant 0.2-0.6 parts and lubricant 0.2-0.7 parts.The oder levels of low smell fiberglass reinforced polyformaldehyde composite material prepared by the present invention are substantially all below 4 grades, compared with the polyformaldehyde material of conventional method production, with smell it is lower the advantages of, therefore, it can meet that some require the relatively low application scenario of product odour；In addition, its physical and mechanical properties is excellent, notched impact properties is good.
Description
Technical field
The invention belongs to technical field of polymer materials, and in particular to a kind of low smell fiberglass reinforced polyformaldehyde composite material
And preparation method thereof.
Background technology
Two adjacent oxygen atoms have stronger activation to methylene hydrogen atom on polyformaldehyde (POM) strand, lead
Polyformaldehyde is caused to have obvious depolymerization to be inclined to during melt-processed, and then macromolecular key is easily broken, and continuous piptonychia occurs
The degradation reaction of aldehyde, formaldehyde caused by degraded aoxidizes again generates micro formic acid, and it will accelerate piptonychia aldehyde reaction again.Here it is
The immediate cause of the toxic and harmful gas such as a large amount of formaldehyde, formic acid is discharged in polyformaldehyde process, in addition in its process
Pernicious gas caused by decomposition does not distribute in time, causes portion gas to remain in final product, and delay in use
Slowly distribute, thus cause the pollution of use environment.
Have been reported that the adsorbability material using addition zeolites or charcoal class, the first that absorption polyformaldehyde material discharges
Aldehyde, so as to reach the purpose for reducing polyformaldehyde material smell.But the introducing of zeolites or charcoal class material not only reduces poly- first
The purity and condition of aldehyde material, and also deteriorate the mechanical performance, notched impact properties and elongation at break of polyformaldehyde material
Etc. main performance.Its smell can be reduced to a certain extent by adding a small amount of melamine, phenolic resin or polyurethane, but be imitated
Fruit is still undesirable.2011, Chinese Ministry of Environmental Protection combined issue with State General Administration for Quality Supervision《Air matter in GB/T 27630-2011 passenger cars
Measure evaluation guide》National standard, formally come into effect in 1 day March in 2012.Therefore, the low of excellent in mechanical performance is prepared
It is particularly important that smell polyformaldehyde composite material marches the industries such as automobile making for domestic polyformaldehyde enterprise.
The content of the invention
In view of the shortcomings of the prior art, primary and foremost purpose is to provide a kind of low smell fiberglass reinforced polyformaldehyde composite wood to the present invention
Material.
Second object of the present invention is to provide a kind of preparation method of low smell fiberglass reinforced polyformaldehyde composite material.
To reach above-mentioned purpose, solution of the invention is：
A kind of low smell fiberglass reinforced polyformaldehyde composite material, it includes：
Preferably, polyformaldehyde is copoly type polyformaldehyde.
Preferably, polyformaldehyde is the polymer that metaformaldehyde forms with dioxolane copolymerization, and fusing point is 167 DEG C, and density is
1.41g/cm3, the content of dioxolane is 2-6wt%.
Preferably, glass fibre is selected from the E type glass fibres of being chopped, a diameter of 8-12 μm.
Preferably, eliminating smell agent is selected from aqueous expanded polypropylene particle, the content of the moisture in aqueous expanded polypropylene particle
For 60-90wt%.
Preferably, antioxidant be selected from four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol esters, β-
One in the positive octadecanol ester of (3,5- di-tert-butyl-hydroxy phenyls) propionic acid or three [2,4- di-tert-butyl-phenyls] phosphite esters
More than kind.
Preferably, lubricant is selected from one or more of calcium stearate, silicone, paraffin, Tissuemat E or zinc stearate.
A kind of preparation method of low smell fiberglass reinforced polyformaldehyde composite material, it comprises the following steps：
(1), weigh 60-100 parts polyformaldehyde, 20-40 parts fiberglass fiber, 2-10 parts eliminating smell agent, 0.2-0.6 parts antioxidant and
0.2-0.7 part lubricants, mix through high-speed mixer, obtain compound；
(2), compound is poured into the main feeding hopper of screw extruder, melting charge is obtained after melting mixing, works as melting charge
By being vacuumized during the vacuum port of screw extruder, tie rod is carried out afterwards, pelletizing, it is compound to obtain low smell fiberglass reinforced polyformaldehyde
Material.
Preferably, in step (1), the rotating speed of high-speed mixer is 200-2000rpm, and mixing temperature is 25-80 DEG C, is mixed
The conjunction time is 2-10min.
Preferably, in step (2), the rotating speed of screw extruder is 200-500rpm, sets each section of screw extruder
Temperature be 140-210 DEG C, the pressure after vacuumizing is less than 0.05MPa.
Preferably, screw extruder is single screw extrusion machine or double screw extruder.
Due to using such scheme, the beneficial effects of the invention are as follows：
Firstth, oder levels of the invention are substantially all below 4 grades, compared with the polyformaldehyde material of conventional method production,
With smell it is lower the advantages of, therefore, it can meet that some require the relatively low application scenario of product odour.
Secondth, physical and mechanical properties of the invention is excellent, and notched impact properties is good.
Embodiment
The invention provides a kind of low smell fiberglass reinforced polyformaldehyde composite material and preparation method thereof.
<Low smell fiberglass reinforced polyformaldehyde composite material>
A kind of low smell fiberglass reinforced polyformaldehyde composite material, it includes：
Wherein, polyformaldehyde can be preferably 100 parts.
Glass fibre can be preferably 20 parts.
Eliminating smell agent (BYK-P 4200) can be preferably 2 parts, and eliminating smell agent (LDV 1040) can be preferably 10 parts.
Antioxidant 1010 can be preferably 0.2 part, and irgasfos 168 can be preferably 0.4 part.
Lubricant can be preferably 0.3 part.
Polyformaldehyde (M90-44) can be copoly type polyformaldehyde, and preferably metaformaldehyde forms poly- with dioxolane copolymerization
Compound, fusing point are 167 DEG C, density 1.41g/cm3, the content of dioxolane is 2-6wt%.
Glass fibre can be selected from the E type glass fibres that are chopped, and diameter can be 8-12 μm, preferably 12 μm.
Eliminating smell agent can be selected from aqueous expanded polypropylene particle, and the content of the moisture in aqueous expanded polypropylene particle is
60-90wt%, the BYK-P 4200 of preferably German Bi Ke chemistry and the LDV 1040 of Hefei innovation light material Co., Ltd.
The process of taste removal principle is：Eliminating smell agent is aqueous expanded polypropylene particle, wherein, in aqueous expanded polypropylene particle
The content of moisture be 60-90wt%, be added into the main feeding hopper of double screw extruder, aqueous expanded polypropylene particle,
Polyformaldehyde and other raw materials melting mixing in the screw rod of double screw extruder, the water being brought into during this and polyformaldehyde melt
It is sufficiently mixed, water vapour can be dissolved with odorous small molecule (such as formaldehyde, formic acid) in polyformaldehyde melt, then in double spiral shells
Bar extruder back segment is further aided with high vacuum, makes water vapour and is fully discharged with odorous small molecule, so that glass
The smell of fibre enhancing polyformaldehyde composite material is greatly lowered.
Wherein, the purpose for being aided with high vacuum in double screw extruder back segment is to be beneficial to smell small molecule and water in molten system
Steam is fully discharged.
Antioxidant can be selected from four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic ester] pentaerythritol esters (1010),
β-positive octadecanol ester of (3,5- di-tert-butyl-hydroxy phenyls) propionic acid or three [2,4- di-tert-butyl-phenyls] phosphite esters
One or more of (168).
Lubricant can be selected from one or more of calcium stearate, silicone, paraffin, Tissuemat E or zinc stearate.
<The preparation method of low smell fiberglass reinforced polyformaldehyde composite material>
A kind of preparation method of low smell fiberglass reinforced polyformaldehyde composite material, it comprises the following steps：
(1), weigh 60-100 parts polyformaldehyde, 20-40 parts glass fibre, 2-10 parts eliminating smell agent, 0.2-0.6 parts antioxidant and
0.2-0.7 part lubricants, mix through high-speed mixer, obtain compound；
(2), compound is poured into the main feeding hopper of screw extruder so that compound is in the screw rod of screw extruder
Melting mixing, melting charge is obtained, vacuumized when vacuum port of the melting charge by screw extruder, carry out tie rod afterwards, pelletizing,
Obtain low smell fiberglass reinforced polyformaldehyde composite material.
Wherein, in step (1), the rotating speed of high-speed mixer can be 200-2000rpm, preferably 300rpm；Mixing
Temperature can be 25-80 DEG C, and preferably 80 DEG C, incorporation time can be 2-10min, preferably 2min.
In step (2), the rotating speed of screw extruder is 200-500rpm, preferably 300rpm；Each area of screw extruder
The temperature of section can be 140-210 DEG C, and the pressure after vacuumizing can be less than 0.05MPa.
Screw extruder can be single screw extrusion machine or double screw extruder, preferably double screw extruder.
Below in conjunction with illustrated embodiment, the present invention is further illustrated.
Embodiment 1
The preparation method of the low smell fiberglass reinforced polyformaldehyde composite material of the present embodiment, it comprises the following steps：
(1) 100 parts of polyformaldehyde, 20 parts of chopped E types glass fibres (a diameter of 12 μm), 2 parts of eliminating smell agent (BYK-, are weighed
P4200), 0.2 part of antioxidant 1010,0.4 part of irgasfos 168 and 0.3 part of calcium stearate, are mixed through high-speed mixer, and regulation is high
The rotating speed of fast mixer is 300rpm, and mixing temperature is 80 DEG C, incorporation time 2min, obtains compound；
(2), compound is poured into the main feeding hopper of double screw extruder so that spiral shell of the compound in double screw extruder
Melting mixing in bar, the rotating speed for adjusting double screw extruder is 300rpm, and the temperature for setting its five sections is：First section temperature
Spend for 140 DEG C, the second zone temperatures are 160 DEG C, and the 3rd zone temperatures are 180 DEG C, and the 4th zone temperatures are 190 DEG C, the 5th area
Duan Wendu is 200 DEG C, and head area temperature is 190 DEG C, melting charge is obtained, when vacuum port of the melting charge by double screw extruder
Vacuumize, keep pressure to be less than 0.05MPa, finally carry out tie rod, pelletizing, obtain low smell fiberglass reinforced polyformaldehyde composite wood
Material.
By above-mentioned low smell fiberglass reinforced polyformaldehyde composite material according to ASTM (American society for testing and materials) standard, test
Its mechanical performance；According to popular odor test standard PV 3900, its oder levels test is carried out, test result refers to table 1.
Wherein, in step (1), the rotating speed of high-speed mixer is within 200-2000rpm, and mixing temperature is at 25-80 DEG C
Within, incorporation time can be with 2-10min.
In step (2), the rotating speed of double screw extruder is possible within 200-500rpm.
Set the temperature of five sections is possible within 140-210 DEG C.
Pressure after vacuumizing is possible less than 0.05MPa.
Embodiment 2：
The preparation method of the low smell fiberglass reinforced polyformaldehyde composite material of the present embodiment, it comprises the following steps：
(1) 80 parts of polyformaldehyde, 20 parts of chopped E types glass fibres (a diameter of 12 μm), 5 parts of eliminating smell agent (BYK-P, are weighed
4200), 0.1 part of antioxidant 1010,0.2 part of irgasfos 168 and 0.3 part of calcium stearate, are mixed through high-speed mixer, and regulation is at a high speed
The rotating speed of mixer is 500rpm, and mixing temperature is 40 DEG C, incorporation time 3min, obtains compound；
(2), compound is poured into the main feeding hopper of double screw extruder so that spiral shell of the compound in double screw extruder
Melting mixing in bar, the rotating speed for adjusting double screw extruder is 300rpm, and the temperature for setting its five sections is：First section temperature
Spend for 140 DEG C, the second zone temperatures are 160 DEG C, and the 3rd zone temperatures are 180 DEG C, and the 4th zone temperatures are 190 DEG C, the 5th area
Duan Wendu is 200 DEG C, and head area temperature is 190 DEG C, melting charge is obtained, when vacuum port of the melting charge by double screw extruder
Vacuumize, keep pressure to be less than 0.05MPa, finally carry out tie rod, pelletizing, obtain low smell fiberglass reinforced polyformaldehyde composite wood
Material.
By above-mentioned low smell fiberglass reinforced polyformaldehyde composite material according to ASTM (American society for testing and materials) standard, test
Its mechanical performance；According to popular odor test standard PV 3900, its oder levels test is carried out, test result refers to table 1.
Embodiment 3：
The preparation method of the low smell fiberglass reinforced polyformaldehyde composite material of the present embodiment, it comprises the following steps：
(1) 80 parts of polyformaldehyde, 20 parts of chopped E types glass fibres (a diameter of 12 μm), 5 parts of eliminating smell agent (BYK-P, are weighed
4200), 0.1 part of antioxidant 1010,0.2 part of irgasfos 168 and 0.3 part of zinc stearate, are mixed through high-speed mixer, and regulation is at a high speed
The rotating speed of mixer is 500rpm, and mixing temperature is 80 DEG C, incorporation time 3min, obtains compound；
(2), compound is poured into the main feeding hopper of double screw extruder so that spiral shell of the compound in double screw extruder
Melting mixing in bar, the rotating speed for adjusting double screw extruder is 300rpm, and the temperature for setting its five sections is：First section temperature
Spend for 140 DEG C, the second zone temperatures are 160 DEG C, and the 3rd zone temperatures are 180 DEG C, and the 4th zone temperatures are 190 DEG C, the 5th area
Duan Wendu is 200 DEG C, and head area temperature is 190 DEG C, melting charge is obtained, when vacuum port of the melting charge by double screw extruder
Vacuumize, keep pressure to be less than 0.05MPa, finally carry out tie rod, pelletizing, obtain low smell fiberglass reinforced polyformaldehyde composite wood
Material.
By above-mentioned low smell fiberglass reinforced polyformaldehyde composite material according to ASTM (American society for testing and materials) standard, test
Its mechanical performance；According to popular odor test standard PV 3900, its oder levels test is carried out, test result refers to table 1.
Embodiment 4：
The preparation method of the low smell fiberglass reinforced polyformaldehyde composite material of the present embodiment, it comprises the following steps：
(1) 70 parts of polyformaldehyde, 30 parts of chopped E types glass fibres (a diameter of 12 μm), 5 parts of eliminating smell agent (BYK-P, are weighed
4200), 0.1 part of antioxidant 1010,0.2 part of irgasfos 168 and 0.5 part of calcium stearate, are mixed through high-speed mixer, and regulation is at a high speed
The rotating speed of mixer is 500rpm, and mixing temperature is 40 DEG C, incorporation time 3min, obtains compound；
(2), compound is poured into the main feeding hopper of double screw extruder so that spiral shell of the compound in double screw extruder
Melting mixing in bar, the rotating speed for adjusting double screw extruder is 300rpm, and the temperature for setting its five sections is：First section temperature
Spend for 140 DEG C, the second zone temperatures are 160 DEG C, and the 3rd zone temperatures are 180 DEG C, and the 4th zone temperatures are 190 DEG C, the 5th area
Duan Wendu is 200 DEG C, and head area temperature is 190 DEG C, melting charge is obtained, when vacuum port of the melting charge by double screw extruder
Vacuumize, keep pressure to be less than 0.02MPa, finally carry out tie rod, pelletizing, obtain low smell fiberglass reinforced polyformaldehyde composite wood
Material.
By above-mentioned low smell fiberglass reinforced polyformaldehyde composite material according to ASTM (American society for testing and materials) standard, test
Its mechanical performance；According to popular odor test standard PV 3900, its oder levels test is carried out, test result refers to table 1.
Embodiment 5：
The preparation method of the low smell fiberglass reinforced polyformaldehyde composite material of the present embodiment, it comprises the following steps：
(1) 70 parts of polyformaldehyde, 30 parts of chopped E types glass fibres (a diameter of 12 μm), 8 parts of eliminating smell agent (BYK-P, are weighed
4200), 0.1 part of antioxidant 1010,0.2 part of irgasfos 168 and 0.5 part of calcium stearate, are mixed through high-speed mixer, and regulation is at a high speed
The rotating speed of mixer is 500rpm, and mixing temperature is normal temperature, incorporation time 3min, obtains compound；
(2), compound is poured into the main feeding hopper of double screw extruder so that spiral shell of the compound in double screw extruder
Melting mixing in bar, the rotating speed for adjusting double screw extruder is 300rpm, and the temperature for setting its five sections is：First section temperature
Spend for 140 DEG C, the second zone temperatures are 160 DEG C, and the 3rd zone temperatures are 180 DEG C, and the 4th zone temperatures are 190 DEG C, the 5th area
Duan Wendu is 200 DEG C, and head area temperature is 190 DEG C, melting charge is obtained, when vacuum port of the melting charge by double screw extruder
Vacuumize, keep pressure to be less than 0.02MPa, finally carry out tie rod, pelletizing, obtain low smell fiberglass reinforced polyformaldehyde composite wood
Material.
By above-mentioned low smell fiberglass reinforced polyformaldehyde composite material according to ASTM (American society for testing and materials) standard, test
Its mechanical performance；According to popular odor test standard PV 3900, its oder levels test is carried out, test result refers to table 1.
Embodiment 6：
The preparation method of the low smell fiberglass reinforced polyformaldehyde composite material of the present embodiment, it comprises the following steps：
(1) 70 parts of polyformaldehyde, 30 parts of chopped E types glass fibres (a diameter of 12 μm), 10 parts of eliminating smell agent (LDV, are weighed
1040), 0.1 part of antioxidant 1010,0.2 part of irgasfos 168 and 0.5 part of calcium stearate, are mixed through high-speed mixer, and regulation is at a high speed
The rotating speed of mixer is 500rpm, and mixing temperature is normal temperature, incorporation time 3min, obtains compound；
(2), compound is poured into the main feeding hopper of double screw extruder so that spiral shell of the compound in double screw extruder
Melting mixing in bar, the rotating speed for adjusting double screw extruder is 300rpm, and the temperature for setting its five sections is：First section temperature
Spend for 140 DEG C, the second zone temperatures are 160 DEG C, and the 3rd zone temperatures are 180 DEG C, and the 4th zone temperatures are 190 DEG C, the 5th area
Duan Wendu is 200 DEG C, and head area temperature is 190 DEG C, melting charge is obtained, when vacuum port of the melting charge by double screw extruder
Vacuumize, keep pressure to be less than 0.02MPa, finally carry out tie rod, pelletizing, obtain low smell fiberglass reinforced polyformaldehyde composite wood
Material.
By above-mentioned low smell fiberglass reinforced polyformaldehyde composite material according to ASTM (American society for testing and materials) standard, test
Its mechanical performance；According to popular odor test standard PV 3900, its oder levels test is carried out, test result refers to table 1.
The performance test results of low smell fiberglass reinforced polyformaldehyde composite material in the embodiment 1-6 of table 1
As shown in Table 1, the oder levels of low smell fiberglass reinforced polyformaldehyde composite material prepared by the present invention are substantially all 4
Level is following, compared with the polyformaldehyde material of conventional method production, has the advantages of smell is lower, therefore, it can meet
It is required that the application scenario that product odour is relatively low；In addition, its physical and mechanical properties is excellent, notched impact properties is good.
The above-mentioned description to embodiment is that this hair is understood that and used for the ease of those skilled in the art
It is bright.Those skilled in the art obviously can readily make various modifications to these embodiments, and described herein one
As principle be applied in other embodiment, without by performing creative labour.Therefore, the invention is not restricted to above-described embodiment.
Those skilled in the art do not depart from improvement that scope of the invention made and modification all should be at these according to the principle of the present invention
Within the protection domain of invention.
Claims (10)
- A kind of 1. low smell fiberglass reinforced polyformaldehyde composite material, it is characterised in that：Including：
- 2. low smell fiberglass reinforced polyformaldehyde composite material according to claim 1, it is characterised in that：The polyformaldehyde is The polymer that copoly type polyformaldehyde, preferably metaformaldehyde form with dioxolane copolymerization, fusing point are 167 DEG C, and density is 1.41g/cm3, the content of the dioxolane is 2-6wt%.
- 3. low smell fiberglass reinforced polyformaldehyde composite material according to claim 1, it is characterised in that：The glass fibre Selected from chopped E types glass fibre, a diameter of 8-12 μm.
- 4. low smell fiberglass reinforced polyformaldehyde composite material according to claim 1, it is characterised in that：The eliminating smell agent choosing Self-contained Water blown PP GRANULES, the content of the moisture in the aqueous expanded polypropylene particle is 60-90wt%.
- 5. low smell fiberglass reinforced polyformaldehyde composite material according to claim 1, it is characterised in that：The antioxidant choosing From four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic ester] pentaerythritol esters, β-(3,5- di-tert-butyl-hydroxy phenyls) One or more of the positive octadecanol ester of propionic acid or three [2,4- di-tert-butyl-phenyls] phosphite esters.
- 6. low smell fiberglass reinforced polyformaldehyde composite material according to claim 1, it is characterised in that：The lubricant choosing From one or more of calcium stearate, silicone, paraffin, Tissuemat E or zinc stearate.
- 7. a kind of preparation method of low smell fiberglass reinforced polyformaldehyde composite material as described in claim 1-6 is any, it is special Sign is：Comprise the following steps：(1) 60-100 parts polyformaldehyde, 20-40 parts glass fibre, 2-10 parts eliminating smell agent, 0.2-0.6 parts antioxidant and 0.2-, are weighed 0.7 part of lubricant, mixes through high-speed mixer, obtains compound；(2), the compound is poured into the main feeding hopper of screw extruder, melting charge is obtained after melting mixing, when described molten Melting material carries out tie rod, pelletizing, obtains the low smell glass and increase afterwards by being vacuumized during the vacuum port of the screw extruder Strong polyformaldehyde composite material.
- 8. preparation method according to claim 7, it is characterised in that：In the step (1), the rotating speed of high-speed mixer is 200-2000rpm, mixing temperature are 25-80 DEG C, incorporation time 2-10min.
- 9. preparation method according to claim 7, it is characterised in that：In the step (2), the rotating speed of screw extruder is 200-500rpm, the temperature for setting each section of screw extruder is 140-210 DEG C, and the pressure after vacuumizing is less than 0.05MPa.
- 10. preparation method according to claim 7, it is characterised in that：Screw extruder is single screw extrusion machine or double spiral shells Bar extruder.
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| CN201610835184.2A CN107841086A (en) | 2016-09-20 | 2016-09-20 | Low smell fiberglass reinforced polyformaldehyde composite material and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120157588A1 (en) * | 2010-10-14 | 2012-06-21 | Ticona Gmbh | Glass Fiber-Reinforced Polyoxymethylene |
| CN103044776A (en) * | 2012-12-31 | 2013-04-17 | 广东银禧科技股份有限公司 | Low-odor and yellowing resistant polypropylene composition and preparation method thereof |
| CN103540099A (en) * | 2013-10-09 | 2014-01-29 | 深圳市科聚新材料有限公司 | Glass fiber reinforced polyformaldehyde composite material and preparation method thereof |
| CN107353576A (en) * | 2016-05-10 | 2017-11-17 | 合肥杰事杰新材料股份有限公司 | A kind of low smell, wear-resistant polyformaldehyde enhancing composite and preparation method thereof |
-
2016
- 2016-09-20 CN CN201610835184.2A patent/CN107841086A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120157588A1 (en) * | 2010-10-14 | 2012-06-21 | Ticona Gmbh | Glass Fiber-Reinforced Polyoxymethylene |
| CN103044776A (en) * | 2012-12-31 | 2013-04-17 | 广东银禧科技股份有限公司 | Low-odor and yellowing resistant polypropylene composition and preparation method thereof |
| CN103540099A (en) * | 2013-10-09 | 2014-01-29 | 深圳市科聚新材料有限公司 | Glass fiber reinforced polyformaldehyde composite material and preparation method thereof |
| CN107353576A (en) * | 2016-05-10 | 2017-11-17 | 合肥杰事杰新材料股份有限公司 | A kind of low smell, wear-resistant polyformaldehyde enhancing composite and preparation method thereof |
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