CN109593303A - A kind of refueling nozzle sheath - Google Patents
A kind of refueling nozzle sheath Download PDFInfo
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- CN109593303A CN109593303A CN201811605028.2A CN201811605028A CN109593303A CN 109593303 A CN109593303 A CN 109593303A CN 201811605028 A CN201811605028 A CN 201811605028A CN 109593303 A CN109593303 A CN 109593303A
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- Prior art keywords
- parts
- refueling nozzle
- nozzle sheath
- specially
- light stabilizer
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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
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/45—Heterocyclic compounds having sulfur in the ring
- C08K5/46—Heterocyclic compounds having sulfur in the ring with oxygen or nitrogen in the ring
-
- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
-
- 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
- C08K3/34—Silicon-containing compounds
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/11—Esters; Ether-esters of acyclic polycarboxylic acids
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
- C08K5/132—Phenols containing keto groups, e.g. benzophenones
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
- C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention relates to a kind of refueling nozzle sheath, the raw material including following parts by weight: 90 ~ 95 parts of polyvinyl chloride (PVC) resin, 1.8 ~ 3.4 parts of antioxidant, 2.2 ~ 3.2 parts of light stabilizer, 10 ~ 20 parts of calcium stearate, 5 ~ 10 parts of cold resistant plasticizer, 1.5 ~ 3.5 parts of organic tin stabilizer, 10 ~ 30 parts of liquid flame retardant, 10 ~ 25 parts of low odor adsorption agent, 10 ~ 15 parts of antibacterial agent.The present invention passes through the associated effect between its raw material, so that refueling nozzle sheath is had the advantages that high-intensitive, antifreeze, fire resisting, wear-resisting, while its simple process, raw material are easy to get, and the present invention also improves the service life of refueling nozzle sheath, with extraordinary application prospect.
Description
Technical field
The present invention relates to sheath fields, more particularly to a kind of refueling nozzle sheath.
Background technique
Due to the factors such as convenient for holding, being not easy to slide, sheath can be cased on usual refueling nozzle.Refueling nozzle sheath is a kind of adds
Common insulation protection heat-shrinkable T bush on oil gun, and refueling nozzle sheath is generally required applied to various environment.It refuels due to using
Possibility of standing bad environments, also have the danger such as fire, need to carry out enhancing modification to the material of refueling nozzle sheath, with higher
Intensity, to resist extraneous load；The abilities such as stronger cold-resistant, heat-resisting, wear-resisting, light shine, resistance to oxidation are needed, and are needed
It is not easy the features such as being corroded, being unlikely to deform, make it have long service life.Refueling nozzle sheath in the prior art often exists
Various performances cannot have both, and application range is not extensive enough, and technical staff is past for the type of varying environment selection refueling nozzle sheath
It is past very difficult.
Summary of the invention
The invention aims to provide a kind of refueling nozzle sheath that the service life is longer.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
The present invention provides a kind of refueling nozzle sheath, the raw material including following parts by weight, 90 ~ 95 parts of polyvinyl chloride (PVC) resin,
1.8 ~ 3.4 parts of antioxidant, 2.2 ~ 3.2 parts of light stabilizer, 10 ~ 20 parts of calcium stearate, 5 ~ 10 parts of cold resistant plasticizer, organotin are steady
Determine 1.5 ~ 3.5 parts of agent, 10 ~ 30 parts of liquid flame retardant, 10 ~ 25 parts of low odor adsorption agent, 10 ~ 15 parts of antibacterial agent.
Further, the raw material including following parts by weight, 92.5 parts of polyvinyl chloride (PVC) resin, 2.6 parts of antioxidant, light
2.7 parts of stabilizer, 15 parts of calcium stearate, 7.5 parts of cold resistant plasticizer, 2.5 parts of organic tin stabilizer, 20 parts of liquid flame retardant,
17.5 parts of low odor adsorption agent, 12.5 parts of antibacterial agent.
Further, the antibacterial agent be specially three oxygen dihydroxy diphenyl ethers (Triclosan), isothiazolinone (OIT),
At least one of pyrithione (Pyrithione).
Further, the low odor adsorption agent is specially aluminosilicate adsorbent.
Further, the cold resistant plasticizer is specially DOA(dioctyl adipate), DIDA(diisodecyl adipate (DIDA)),
DOZ(dioctyl azelate), DOS(dioctyl sebacate) at least one of.
Further, the liquid flame retardant be specially in bromide fire retardant FR-65 and phosphorus flame retardant CZ-45 extremely
Few one kind.
Further, the antioxidant is specially three (2,4- di-tert-butyl-phenyl) phosphites, β-(3,5- bis- tertiary fourths
- 4 hydroxy phenyl of base) propionic acid n-octadecyl alcohol ester and four (β-(- 4 hydroxy phenyl of 3,5- di-t-butyl) propionic acid) pentaerythritol esters
At least one of.
Further, the light stabilizer is specially dihydroxy benaophenonel light stabilizer and hydroxybenzotriazole light stabilizer
At least one of.
Further, the invention discloses a kind of preparation method of refueling nozzle sheath, specifically, the method includes following
Step:
A. raw material is weighed respectively by weight percentage, first by polyvinyl chloride (PVC) resin, liquid flame retardant, calcium stearate, low gas
Taste adsorbent, antibacterial agent are added in high-speed mixer, carry out mixed at high speed to high-speed mixer and are warming up to 85 DEG C~95 DEG C；
B. weighed antioxidant, organic tin stabilizer, light stabilizer are separately added into the high-speed mixer in step a, are carried out
Mixed at high speed to high-speed mixer is warming up to 110 DEG C ~ 115 DEG C；
C. weighed cold resistant plasticizer is added in the high-speed mixer in step b, carries out mixed at high speed to high-speed mixer liter
Temperature is to 120 DEG C；
D. said mixture is put into injection molding machine and is molded to get refueling nozzle sheath.
Due to the above technical solutions, the present invention has the following advantages over the prior art:
Refueling nozzle sheath of the invention uses light stabilizer, is able to suppress photoredox or photo aging process, prevents in daylight
Or accelerate sheath aging under strong fluorescence, meanwhile, addition antioxidant can delay or inhibit the progress of polymer oxidation process, from
And it prevents the aging of polymer and prolongs its service life；
Further, calcium stearate is added, sheath is enabled to slow down abrasion, meanwhile, calcium stearate also has good heat resistance；
Further, using cold resistant plasticizer, enable to sheath that there is good cold-resistant freeze-proof；
Further, using organic tin stabilizer, good moisture-proof heat resistance, in 85 DEG C of temperature and 85% damp condition
Color is basically unchanged guarantee after lower aging 168 hours, and sheath is enabled to have good heatproof color inhibition characteristic；
Further, using liquid flame retardant, guarantee that refueling nozzle sheath has good flame-retarding characteristic, it is fire-retardant to reach VW-1 etc.
Grade；
Further, using low odor adsorption agent, improve the bad smell generated in raw material mixed process, ensure that sheath is good
It is low odor profiles.Meanwhile addition antibacterial agent can not only prevent that those are generated unpleasant due to bacterium and fungi effect
Smell can also delay jacket surface aging, change colour and become fragile.
The present invention passes through the associated effect between its raw material, and refueling nozzle sheath is made to have high-intensitive, antifreeze, fire resisting, wear-resisting
Advantage, while its simple process, raw material are easy to get, the present invention also improves the service life of refueling nozzle sheath, and it is very good to have
Application prospect.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is a kind of schematic diagram of refueling nozzle sheath according to an embodiment of the present invention.
Specific embodiment
Embodiment one
A kind of refueling nozzle sheath, the raw material including following parts by weight: 90 parts of polyvinyl chloride (PVC) resin, 1.8 parts of antioxidant, light
It is 2.2 parts of stabilizer, 10 parts of calcium stearate, 5 parts of cold resistant plasticizer, 1.5 parts of organic tin stabilizer, 10 parts of liquid flame retardant, low
10 parts of odor adsorption agent, 10 parts of antibacterial agent.
Antibacterial agent is specially three oxygen dihydroxy diphenyl ethers (Triclosan), isothiazolinone (OIT), pyrithione
At least one of (Pyrithione), preferably isothiazolinone (OIT).
Low odor adsorption agent is specially aluminosilicate adsorbent.
Cold resistant plasticizer is specially DOA(dioctyl adipate), DIDA(diisodecyl adipate (DIDA)), DOZ(azelaic acid two it is pungent
Ester), DOS(dioctyl sebacate) at least one of, preferably DOA(dioctyl adipate).
Liquid flame retardant is specially at least one of bromide fire retardant FR-65 and phosphorus flame retardant CZ-45, preferably
CZ-45。
Antioxidant is specially three (2,4- di-tert-butyl-phenyl) phosphites, β-(- 4 hydroxy phenyl of 3,5- di-t-butyl) propionic acid
Positive at least one of octadecanol ester and four (β-(- 4 hydroxy phenyl of 3,5- di-t-butyl) propionic acid) pentaerythritol esters, preferably
For three (2,4- di-tert-butyl-phenyl) phosphites.
Light stabilizer is specially at least one of dihydroxy benaophenonel light stabilizer and hydroxybenzotriazole light stabilizer,
Preferably dihydroxy benaophenonel light stabilizer.
The invention discloses a kind of preparation methods of refueling nozzle sheath, specifically, comprising the following steps:
A. raw material is weighed respectively by weight percentage, first by polyvinyl chloride (PVC) resin, liquid flame retardant, calcium stearate, low gas
Taste adsorbent, antibacterial agent are added in high-speed mixer, carry out mixed at high speed to high-speed mixer and are warming up to 85 DEG C~95 DEG C；
B. weighed antioxidant, organic tin stabilizer, light stabilizer are separately added into the high-speed mixer in step a, are carried out
Mixed at high speed to high-speed mixer is warming up to 110 DEG C ~ 115 DEG C；
C. weighed cold resistant plasticizer is added in the high-speed mixer in step b, carries out mixed at high speed to high-speed mixer liter
Temperature is to 120 DEG C；
D. said mixture is put into injection molding machine and is molded to get refueling nozzle sheath.
Embodiment two
A kind of refueling nozzle sheath, the raw material including following parts by weight: 95 parts of polyvinyl chloride (PVC) resin, 3.4 parts of antioxidant, light
It is 3.2 parts of stabilizer, 20 parts of calcium stearate, 10 parts of cold resistant plasticizer, 3.5 parts of organic tin stabilizer, 30 parts of liquid flame retardant, low
25 parts of odor adsorption agent, 15 parts of antibacterial agent.
Antibacterial agent is specially three oxygen dihydroxy diphenyl ethers (Triclosan), isothiazolinone (OIT), pyrithione
At least one of (Pyrithione), preferably isothiazolinone (OIT).
Low odor adsorption agent is specially aluminosilicate adsorbent.
Cold resistant plasticizer is specially DOA(dioctyl adipate), DIDA(diisodecyl adipate (DIDA)), DOZ(azelaic acid two it is pungent
Ester), DOS(dioctyl sebacate) at least one of, preferably DOA(dioctyl adipate).
Liquid flame retardant is specially at least one of bromide fire retardant FR-65 and phosphorus flame retardant CZ-45, preferably
CZ-45。
Antioxidant is specially three (2,4- di-tert-butyl-phenyl) phosphites, β-(- 4 hydroxy phenyl of 3,5- di-t-butyl) propionic acid
Positive at least one of octadecanol ester and four (β-(- 4 hydroxy phenyl of 3,5- di-t-butyl) propionic acid) pentaerythritol esters, preferably
For three (2,4- di-tert-butyl-phenyl) phosphites.
Light stabilizer is specially at least one of dihydroxy benaophenonel light stabilizer and hydroxybenzotriazole light stabilizer,
Preferably dihydroxy benaophenonel light stabilizer.
The invention discloses a kind of preparation methods of refueling nozzle sheath, specifically, comprising the following steps:
A. raw material is weighed respectively by weight percentage, first by polyvinyl chloride (PVC) resin, liquid flame retardant, calcium stearate, low gas
Taste adsorbent, antibacterial agent are added in high-speed mixer, carry out mixed at high speed to high-speed mixer and are warming up to 85 DEG C~95 DEG C；
B. weighed antioxidant, organic tin stabilizer, light stabilizer are separately added into the high-speed mixer in step a, are carried out
Mixed at high speed to high-speed mixer is warming up to 110 DEG C ~ 115 DEG C；
C. weighed cold resistant plasticizer is added in the high-speed mixer in step b, carries out mixed at high speed to high-speed mixer liter
Temperature is to 120 DEG C；
D. said mixture is put into injection molding machine and is molded to get refueling nozzle sheath.
Embodiment three
A kind of refueling nozzle sheath, the raw material including following parts by weight: 92.5 parts of polyvinyl chloride (PVC) resin, 2.6 parts of antioxidant,
2.7 parts of light stabilizer, 15 parts of calcium stearate, 7.5 parts of cold resistant plasticizer, 2.5 parts of organic tin stabilizer, liquid flame retardant 20
Part, 17.5 parts of low odor adsorption agent, 12.5 parts of antibacterial agent.
Antibacterial agent is specially three oxygen dihydroxy diphenyl ethers (Triclosan), isothiazolinone (OIT), pyrithione
At least one of (Pyrithione), preferably isothiazolinone (OIT).
Low odor adsorption agent is specially aluminosilicate adsorbent.
Cold resistant plasticizer is specially DOA(dioctyl adipate), DIDA(diisodecyl adipate (DIDA)), DOZ(azelaic acid two it is pungent
Ester), DOS(dioctyl sebacate) at least one of, preferably DOA(dioctyl adipate).
Liquid flame retardant is specially at least one of bromide fire retardant FR-65 and phosphorus flame retardant CZ-45, preferably
CZ-45。
Antioxidant is specially three (2,4- di-tert-butyl-phenyl) phosphites, β-(- 4 hydroxy phenyl of 3,5- di-t-butyl) propionic acid
Positive at least one of octadecanol ester and four (β-(- 4 hydroxy phenyl of 3,5- di-t-butyl) propionic acid) pentaerythritol esters, preferably
For three (2,4- di-tert-butyl-phenyl) phosphites.
Light stabilizer is specially at least one of dihydroxy benaophenonel light stabilizer and hydroxybenzotriazole light stabilizer,
Preferably dihydroxy benaophenonel light stabilizer.
The invention discloses a kind of preparation methods of refueling nozzle sheath, specifically, comprising the following steps:
A. raw material is weighed respectively by weight percentage, first by polyvinyl chloride (PVC) resin, liquid flame retardant, calcium stearate, low gas
Taste adsorbent, antibacterial agent are added in high-speed mixer, carry out mixed at high speed to high-speed mixer and are warming up to 85 DEG C~95 DEG C；
B. weighed antioxidant, organic tin stabilizer, light stabilizer are separately added into the high-speed mixer in step a, are carried out
Mixed at high speed to high-speed mixer is warming up to 110 DEG C ~ 115 DEG C；
C. weighed cold resistant plasticizer is added in the high-speed mixer in step b, carries out mixed at high speed to high-speed mixer liter
Temperature is to 120 DEG C；
D. said mixture is put into injection molding machine and is molded to get refueling nozzle sheath.
The above embodiments merely illustrate the technical concept and features of the present invention, and the present invention is not limited to the above exemplary embodiments
Details can not be with its object is to those skilled in the art can understand the contents of the present invention and implements accordingly
This is limited the scope of the invention, any equivalent change or modification in accordance with the spirit of the invention, should all be covered at this
Within the protection scope of invention.
Claims (9)
1. a kind of refueling nozzle sheath, it is characterised in that: the raw material including following parts by weight, polyvinyl chloride (PVC) resin 90 ~ 95
Part, 1.8 ~ 3.4 parts of antioxidant, 2.2 ~ 3.2 parts of light stabilizer, 10 ~ 20 parts of calcium stearate, 5 ~ 10 parts of cold resistant plasticizer, organotin
1.5 ~ 3.5 parts of stabilizer, 10 ~ 30 parts of liquid flame retardant, 10 ~ 25 parts of low odor adsorption agent, 10 ~ 15 parts of antibacterial agent.
2. a kind of refueling nozzle sheath according to claim 1, it is characterised in that: the raw material including following parts by weight, polychlorostyrene
92.5 parts of ethylene (PVC) resin, 2.6 parts of antioxidant, 2.7 parts of light stabilizer, 15 parts of calcium stearate, 7.5 parts of cold resistant plasticizer,
2.5 parts of organic tin stabilizer, 20 parts of liquid flame retardant, 17.5 parts of low odor adsorption agent, 12.5 parts of antibacterial agent.
3. a kind of refueling nozzle sheath according to claim 1, it is characterised in that: the antibacterial agent is specially three oxygen hydroxyls
At least one of diphenyl ether (Triclosan), isothiazolinone (OIT), pyrithione (Pyrithione).
4. a kind of refueling nozzle sheath according to claim 1, it is characterised in that: the low odor adsorption agent is specially aluminium
Silicate adsorbent.
5. a kind of refueling nozzle sheath according to claim 1, it is characterised in that: the cold resistant plasticizer be specially DOA(oneself
Adipate), DIDA(diisodecyl adipate (DIDA)), DOZ(dioctyl azelate), DOS(dioctyl sebacate) at least
It is a kind of.
6. a kind of refueling nozzle sheath according to claim 1, it is characterised in that: the liquid flame retardant is specially bromine system
At least one of fire retardant FR -65 and phosphorus flame retardant CZ-45.
7. a kind of refueling nozzle sheath according to claim 1, it is characterised in that: the antioxidant is specially three (2,4- bis-
Tert-butyl-phenyl) phosphite, β-(- 4 hydroxy phenyl of 3,5- di-t-butyl) propionic acid n-octadecyl alcohol ester and four (β-(3,5-
At least one of -4 hydroxy phenyl of di-t-butyl) propionic acid) pentaerythritol ester.
8. a kind of refueling nozzle sheath according to claim 1, it is characterised in that: the light stabilizer is specially hydroxyl hexichol
At least one of ketone light stabilizer and hydroxybenzotriazole light stabilizer.
9. a kind of preparation method of refueling nozzle sheath described in any one of -8 according to claim 1, the method includes with
Lower step:
A. raw material is weighed respectively by weight percentage, first by polyvinyl chloride (PVC) resin, liquid flame retardant, calcium stearate, low gas
Taste adsorbent, antibacterial agent are added in high-speed mixer, carry out mixed at high speed to high-speed mixer and are warming up to 85 DEG C~95 DEG C；
B. weighed antioxidant, organic tin stabilizer, light stabilizer are separately added into the high-speed mixer in step a, are carried out
Mixed at high speed to high-speed mixer is warming up to 110 DEG C ~ 115 DEG C；
C. weighed cold resistant plasticizer is added in the high-speed mixer in step b, carries out mixed at high speed to high-speed mixer liter
Temperature is to 120 DEG C；
D. said mixture is put into injection molding machine and is molded to get refueling nozzle sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811605028.2A CN109593303A (en) | 2018-12-26 | 2018-12-26 | A kind of refueling nozzle sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811605028.2A CN109593303A (en) | 2018-12-26 | 2018-12-26 | A kind of refueling nozzle sheath |
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| CN109593303A true CN109593303A (en) | 2019-04-09 |
Family
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| CN201811605028.2A Pending CN109593303A (en) | 2018-12-26 | 2018-12-26 | A kind of refueling nozzle sheath |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113549313A (en) * | 2021-08-10 | 2021-10-26 | 东莞中化华美塑料有限公司 | Low-temperature-resistant PC composite material and preparation process thereof |
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| CN113549313A (en) * | 2021-08-10 | 2021-10-26 | 东莞中化华美塑料有限公司 | Low-temperature-resistant PC composite material and preparation process thereof |
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Application publication date: 20190409 |