CN109679184A - A kind of corrosion resistant modified plastics and preparation method thereof - Google Patents
A kind of corrosion resistant modified plastics and preparation method thereof Download PDFInfo
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- CN109679184A CN109679184A CN201811482521.XA CN201811482521A CN109679184A CN 109679184 A CN109679184 A CN 109679184A CN 201811482521 A CN201811482521 A CN 201811482521A CN 109679184 A CN109679184 A CN 109679184A
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0856—Iron
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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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three 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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
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Abstract
The present invention discloses a kind of corrosion resistant modified plastics, raw material including following parts by weight: 50-70 parts of low density polyethylene (LDPE) (LDPE), 10-20 parts of ethylene-vinyl acetate copolymer (EVA), 1-5 parts of reduced iron powder, silica (SiO2) 2-10 parts, 1-5 parts of macromolecular toughening agent, 5-15 parts of alkali-free glass fibre, 2-5 parts of antioxidant, 5-15 parts of auxiliary antioxidant, 5-15 parts of light stabilizer, 5-10 parts of fire-proof flame-retarded agent, 5-10 parts of lubricant, 5-10 parts of dispersing agent.Above-mentioned raw materials are added in mixing machine and stir evenly, squeezed out by double screw extruder by a kind of preparation method of corrosion resistant modified plastics.Silica belongs to rigid particle, effectively improves the wearability of plastics, and reduced iron powder belongs to metal rigidity particle, increases the adhesive capacity with plastics inner, makes to be plasticized in forming process uniform；Carbon black inhibits certain plastic deformation；The cooperation of antioxidant and auxiliary antioxidant can effectively prevent ageing of plastics, prolong the service life.
Description
Technical field
The present invention relates to plastics arts, in particular to a kind of corrosion resistant modified plastics and preparation method thereof.
Background technique
Plastics are, by high-molecular compound made of addition polymerization or polycondensation polymerized, to be commonly called as plastics using monomer as raw material
Or resin, with the development of the times, requirement of the people to plastic products is higher and higher, and the prior art is unable to satisfy these requirements,
It needs to be modified conventional plastic and modified plastics is made.Modified plastics refers on the basis of general-purpose plastics and engineering plastics,
It is processed by the methods of filling, blending, enhancing, improves the modeling of the performance of anti-flammability, intensity, impact resistance, toughness etc.
Material products.
Summary of the invention
For above-mentioned deficiency in the prior art, the present invention provides a kind of corrosion resistant modified plastics and its preparation sides
Method, anti-flammability, intensity, impact resistance, toughness have stronger raising.
In order to achieve the above object of the invention, the technical solution adopted by the present invention are as follows:
A kind of corrosion resistant modified plastics and preparation method thereof, the raw material including following parts by weight: low density polyethylene (LDPE)
(LDPE) 50-70 parts, 10-20 parts of ethylene-vinyl acetate copolymer (EVA), 1-5 parts of reduced iron powder, silica (SiO2)2-
10 parts, 1-5 parts of macromolecular toughening agent, 5-15 parts of alkali-free glass fibre, 2-5 parts of antioxidant, 5-15 parts of auxiliary antioxidant, light is stablized
5-15 parts of agent, 5-10 parts of fire-proof flame-retarded agent, 5-10 parts of lubricant, 5-10 parts of dispersing agent；The macromolecular toughening agent is maleic acid
Acid anhydride grafted ethene-octene copolymer；The antioxidant is KY-7910 (antioxidant 1010)；The auxiliary antioxidant is thio
Ester；The light stabilizer is the carbon black of ultravioletlight screening agent；The dispersing agent is dehydrated alcohol；The lubricant is stearic acid.
Further, a kind of corrosion resistant modified plastics, the raw material including following parts by weight: low density polyethylene (LDPE) (LDPE) 60
Part, 15 parts of ethylene-vinyl acetate copolymer (EVA), 2 parts of reduced iron powder, 6 parts of silica, 3 parts of macromolecular toughening agent, alkali-free
10 parts of glass fibre, 5 parts of antioxidant, 10 parts of auxiliary antioxidant, 8 parts of light stabilizer, 2 parts of fire-proof flame-retarded agent, 6 parts of lubricant, point
8 parts of powder；The antioxidant is KY-7910 (antioxidant 1010)；The auxiliary antioxidant is monothioester；The light stabilizer
For the carbon black of ultravioletlight screening agent；The dispersing agent is dehydrated alcohol；The lubricant is stearic acid.
Further, the partial size of the light stabilizer carbon black is less than 35nm.
Further, the short glass fiber that the alkali-free glass fibre is 10 μm of filament diameter.
A kind of preparation method of corrosion resistant modified plastics,
(1) preparation before ingredient, by the auxiliary agent drying of the easy moisture absorption to water content less than 1%；
(2) raw material is weighed according to formula；
(3) by low density polyethylene (LDPE), ethylene-vinyl acetate copolymer, reduced iron powder, silica, alkali-free glass fibre
Above-mentioned raw materials are added into mixing machine, are uniformly mixed at 55-65 DEG C, and mixing speed is 200-400 revs/min, stirring 5
Minute；
(4) macromolecular toughening agent, antioxidant, auxiliary antioxidant, light stabilizer, fire-proof flame-retarded agent, lubricant, dispersion is added
Agent continues to stir 10-15min；
(5) mixture that step (4) obtains is added into double screw extruder, processing temperature is 170~260 DEG C, main
The revolving speed of machine is 300 revs/min, carries out extrusion operation, can prepare the modified material.
The invention has the benefit that silica belongs to rigid particle, the wearability of plastics, reduced iron are effectively increased
Powder belongs to metal rigidity particle, can play the role of physical crosslinking, increases the adhesive capacity with plastics inner, makes to form
It is plasticized in journey uniform；Carbon black inhibits certain plastic deformation；Alkali-free glass fibre water imbibition itself is extremely low and rigidity is higher, this
Sample can guarantee that material can also have preferable rigidity under water environment；Fire-proof flame-retarded agent improves flame retardant of plastic performance；Antioxidant
With the cooperation of auxiliary antioxidant, it can be effectively prevent ageing of plastics, prolonged the service life.
Specific embodiment
In order that the present invention can be more clearly and readily understood, below technical solution in the embodiment of the present invention into
Row clearly and completely describes.
Embodiment one: a kind of corrosion resistant modified plastics, the raw material including following parts by weight: low density polyethylene (LDPE) (LDPE)
50 parts, 10 parts of ethylene-vinyl acetate copolymer (EVA), 1 part of reduced iron powder, 2 parts of silica, 1 part of macromolecular toughening agent, nothing
5 parts of alkali containing glass fibre, 2 parts of antioxidant, 5 parts of auxiliary antioxidant, 5 parts of light stabilizer, 5 parts of fire-proof flame-retarded agent, 5 parts of lubricant, point
5 parts of powder；The antioxidant is KY-7910 (antioxidant 1010)；The auxiliary antioxidant is monothioester；The light stabilizer
For the carbon black of ultravioletlight screening agent；The dispersing agent is dehydrated alcohol；The lubricant is stearic acid.
Further, the partial size of the light stabilizer carbon black is less than 35nm.
Further, the short glass fiber that the alkali-free glass fibre is 10 μm of filament diameter.
A kind of preparation method of corrosion resistant modified plastics,
(1) preparation before ingredient, by the auxiliary agent drying of the easy moisture absorption to water content less than 1%；
(2) raw material is weighed according to formula；
(3) by low density polyethylene (LDPE), ethylene-vinyl acetate copolymer, reduced iron powder, silica, alkali-free glass fibre
Above-mentioned raw materials are added into mixing machine, are uniformly mixed at 55 DEG C, and mixing speed is 200 revs/min, stir 5 minutes；
(4) macromolecular toughening agent, antioxidant, auxiliary antioxidant, light stabilizer, fire-proof flame-retarded agent, lubricant, dispersion is added
Agent continues to stir 10min；
(5) mixture that step (4) obtains is added into double screw extruder, processing temperature is 170 DEG C, and host turns
Speed is 300 revs/min, carries out extrusion operation, can prepare the modified material.
Embodiment two: a kind of corrosion resistant modified plastics, the raw material including following parts by weight: low density polyethylene (LDPE) (LDPE)
60 parts, 15 parts of ethylene-vinyl acetate copolymer (EVA), 2 parts of reduced iron powder, 6 parts of silica, 3 parts of macromolecular toughening agent, nothing
10 parts of alkali containing glass fibre, 5 parts of antioxidant, 10 parts of auxiliary antioxidant, 8 parts of light stabilizer, 2 parts of fire-proof flame-retarded agent, 6 parts of lubricant,
8 parts of dispersing agent；The antioxidant is KY-7910 (antioxidant 1010)；The auxiliary antioxidant is monothioester；The light stabilizer
For the carbon black of ultravioletlight screening agent；The dispersing agent is dehydrated alcohol；The lubricant is stearic acid.
Further, the partial size of the light stabilizer carbon black is less than 35nm.
Further, the short glass fiber that the alkali-free glass fibre is 10 μm of filament diameter.
A kind of preparation method of corrosion resistant modified plastics,
(1) preparation before ingredient, by the auxiliary agent drying of the easy moisture absorption to water content less than 1%；
(2) raw material is weighed according to formula；
(3) by low density polyethylene (LDPE), ethylene-vinyl acetate copolymer, reduced iron powder, silica, alkali-free glass fibre
Above-mentioned raw materials are added into mixing machine, are uniformly mixed at 60 DEG C, and mixing speed is 300 revs/min, stir 5 minutes；
(4) macromolecular toughening agent, antioxidant, auxiliary antioxidant, light stabilizer, fire-proof flame-retarded agent, lubricant, dispersion is added
Agent continues to stir 12min；
(5) mixture that step (4) obtains is added into double screw extruder, processing temperature is 200 DEG C, and host turns
Speed is 300 revs/min, carries out extrusion operation, can prepare the modified material.
Embodiment three: a kind of corrosion resistant modified plastics, the raw material including following parts by weight: low density polyethylene (LDPE) (LDPE)
70 parts, 20 parts of ethylene-vinyl acetate copolymer (EVA), 5 parts of reduced iron powder, 0 part of silica 1,5 parts of macromolecular toughening agent, nothing
15 parts of alkali containing glass fibre, 5 parts of antioxidant, 15 parts of auxiliary antioxidant, 15 parts of light stabilizer, 10 parts of fire-proof flame-retarded agent, lubricant 10
Part, 10 parts of dispersing agent；The antioxidant is KY-7910 (antioxidant 1010)；The auxiliary antioxidant is monothioester；The light is steady
Determine the carbon black that agent is ultravioletlight screening agent；The dispersing agent is dehydrated alcohol；The lubricant is stearic acid.
Further, the partial size of the light stabilizer carbon black is less than 35nm.
Further, the short glass fiber that the alkali-free glass fibre is 10 μm of filament diameter.
A kind of preparation method of corrosion resistant modified plastics,
(1) preparation before ingredient, by the auxiliary agent drying of the easy moisture absorption to water content less than 1%；
(2) raw material is weighed according to formula；
(3) by low density polyethylene (LDPE), ethylene-vinyl acetate copolymer, reduced iron powder, silica, alkali-free glass fibre
Above-mentioned raw materials are added into mixing machine, are uniformly mixed at 65 DEG C, and mixing speed is 400 revs/min, stir 5 minutes；
(4) macromolecular toughening agent, antioxidant, auxiliary antioxidant, light stabilizer, fire-proof flame-retarded agent, lubricant, dispersion is added
Agent continues to stir 15min；
(5) mixture that step (4) obtains is added into double screw extruder, processing temperature is 260 DEG C, and host turns
Speed is 300 revs/min, carries out extrusion operation, can prepare the modified material.
The above description is only a preferred embodiment of the patent of the present invention, is not intended to limit the invention patent, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the invention patent within the spirit and principle of patent of invention
Protection scope within.
Claims (5)
1. a kind of corrosion resistant modified plastics, which is characterized in that the raw material including following parts by weight: low density polyethylene (LDPE) (LDPE)
50-70 parts, 10-20 parts of ethylene-vinyl acetate copolymer (EVA), 1-5 parts of reduced iron powder, silica (SiO2) 2-10 parts, it is high
1-5 parts of molecule toughener, 5-15 parts of alkali-free glass fibre, 2-5 parts of antioxidant, 5-15 parts of auxiliary antioxidant, light stabilizer 5-15
Part, 5-10 parts of fire-proof flame-retarded agent, 5-10 parts of lubricant, 5-10 parts of dispersing agent；
The macromolecular toughening agent is maleic anhydride grafted ethene-octene copolymer；
The antioxidant is KY-7910 (antioxidant 1010)；
The auxiliary antioxidant is monothioester；
The light stabilizer is the carbon black of ultravioletlight screening agent；
The dispersing agent is dehydrated alcohol；
The lubricant is stearic acid.
2. a kind of corrosion resistant modified plastics according to claim 1, which is characterized in that the original including following parts by weight
Material: 60 parts of low density polyethylene (LDPE) (LDPE), 15 parts of ethylene-vinyl acetate copolymer (EVA), 2 parts of reduced iron powder, silica 6
Part, 3 parts of macromolecular toughening agent, 10 parts of alkali-free glass fibre, 5 parts of antioxidant, 10 parts of auxiliary antioxidant, 8 parts of light stabilizer, fire prevention
2 parts of fire retardant, 6 parts of lubricant, 8 parts of dispersing agent；
The antioxidant is KY-7910 (antioxidant 1010)；
The auxiliary antioxidant is monothioester；
The light stabilizer is the carbon black of ultravioletlight screening agent；
The dispersing agent is dehydrated alcohol；
The lubricant is stearic acid.
3. a kind of corrosion resistant modified plastics according to claim 1, it is characterised in that: the grain of the light stabilizer carbon black
Diameter is less than 35nm.
4. a kind of corrosion resistant modified plastics according to claim 1, it is characterised in that: the alkali-free glass fibre is single
The short glass fiber of 10 μm of diameter of silk.
5. a kind of preparation method of corrosion resistant modified plastics, it is characterised in that:
(1) preparation before ingredient, by the auxiliary agent drying of the easy moisture absorption to water content less than 1%；
(2) raw material is weighed according to formula；
(3) low density polyethylene (LDPE), ethylene-vinyl acetate copolymer, reduced iron powder, silica, alkali-free glass fibre is above-mentioned
Raw material is added into mixing machine, is uniformly mixed at 55-65 DEG C, and mixing speed is 200-400 revs/min, stirs 5 points
Clock；
(4) be added macromolecular toughening agent, antioxidant, auxiliary antioxidant, light stabilizer, fire-proof flame-retarded agent, lubricant, dispersing agent after
Continuous stirring 10-15min；
(5) mixture that step (4) obtains is added into double screw extruder, processing temperature is 170~260 DEG C, host
Revolving speed is 300 revs/min, carries out extrusion operation, can prepare the modified material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811482521.XA CN109679184A (en) | 2018-12-05 | 2018-12-05 | A kind of corrosion resistant modified plastics and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811482521.XA CN109679184A (en) | 2018-12-05 | 2018-12-05 | A kind of corrosion resistant modified plastics and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111057285A (en) * | 2019-11-26 | 2020-04-24 | 泗阳金拓驰环保科技有限公司 | Preparation method of corrosion-resistant modified plastic |
| CN111560131A (en) * | 2020-05-24 | 2020-08-21 | 泗阳金拓驰环保科技有限公司 | Preparation method of low-temperature-resistant modified plastic |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107857926A (en) * | 2017-11-15 | 2018-03-30 | 桐城市闲产网络服务有限公司 | A kind of Perishing prevention optical fiber |
-
2018
- 2018-12-05 CN CN201811482521.XA patent/CN109679184A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107857926A (en) * | 2017-11-15 | 2018-03-30 | 桐城市闲产网络服务有限公司 | A kind of Perishing prevention optical fiber |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111057285A (en) * | 2019-11-26 | 2020-04-24 | 泗阳金拓驰环保科技有限公司 | Preparation method of corrosion-resistant modified plastic |
| CN111560131A (en) * | 2020-05-24 | 2020-08-21 | 泗阳金拓驰环保科技有限公司 | Preparation method of low-temperature-resistant modified plastic |
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