CN106243611A - Polyformaldehyde high stable basis master batch and preparation method thereof - Google Patents
Polyformaldehyde high stable basis master batch and preparation method thereof Download PDFInfo
- Publication number
- CN106243611A CN106243611A CN201610798557.3A CN201610798557A CN106243611A CN 106243611 A CN106243611 A CN 106243611A CN 201610798557 A CN201610798557 A CN 201610798557A CN 106243611 A CN106243611 A CN 106243611A
- Authority
- CN
- China
- Prior art keywords
- polyformaldehyde
- master batch
- high stable
- stable basis
- weight portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C08L59/02—Polyacetals containing polyoxymethylene sequences only
-
- 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
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L31/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid; Compositions of derivatives of such polymers
- C08L31/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C08L31/04—Homopolymers or copolymers of vinyl acetate
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
Abstract
The invention discloses polyformaldehyde high stable basis master batch and preparation method thereof, polyformaldehyde, ethene copolymer, formaldehyde absorbent, fomic acid absorber, antioxidant, metal passivator, dispersed lubricant A and dispersed lubricant B mixing is poured into and after high-speed mixer is extruded by double screw extruder, prepares polyformaldehyde high stable basis master batch.The product of the present invention effectively stabilizes the molecule structure change of polyformaldehyde, suppress its chain-breaking reaction, improve service life, the technology of polyformaldehyde and the range of application of product are expanded, it is made to have more wide application, it is to research and develop high sexual function, is the indispensable high stability basis masterbatch of high-performance poly formaldehyde engineering plastic alloy.
Description
Technical field
The invention belongs to technical field of polymer materials, particularly relate to polyformaldehyde high stable basis master batch and system thereof
Preparation Method.
Background technology
Polyformaldehyde (POM) is one of the world today five large-engineering plastics, its wearability, self lubricity relatively Other Engineering plastics
Especially prominent, coefficient of friction is little, and dielectric properties are good, and endurance and croop property are strong, has and is very close to metal material
Specific strength and specific stiffness, be described as " match steel " high polymer, be widely used in space flight, aviation, automobile, electronic apparatus, precision instrument
The parts conducted as power in department.
But due to the particularity of polyformaldehyde (POM) molecular structure, its heat stability extreme difference, is that a kind of instable height gathers
Thing.Many commercially available polyformaldehyde (POM) are even if also can change reaction, particularly high temperature in processed and applied in normal temperature environment
Its molecular structure lower easily occurs chain rupture and successional piptonychia aldehyde, formic acid reaction to promote thermal decomposition, causes polyformaldehyde (POM)
Macromolecular chain severe decomposition, be degrading the properties of polyformaldehyde (POM), lose valuable use value.Therefore, research
Polyformaldehyde (POM) the high stable basis masterbatch of a kind of high stable system, for in-depth research and development high-performance (Gao Zirun further
Cunning, high abrasion, high intensity, high lubricant nature etc.) polyformaldehyde engineering plastics are indispensable stabilisation basis masterbatch.
Summary of the invention
It is an object of the invention to the problem above overcoming prior art to exist, it is provided that polyformaldehyde high stable basis master batch
And preparation method thereof, stabilized polyoxymethylene molecular structure suppresses its catabolic process.
For realizing above-mentioned technical purpose, reaching above-mentioned technique effect, the present invention is achieved through the following technical solutions:
Polyformaldehyde high stable basis master batch, including following component:
As optimize, described formaldehyde absorbent is dicyandiamide or tripolycyanamide.
As optimize, described fomic acid absorber is calcium stearate or magnesium hydroxide.
As optimize, described antioxidant is 1010 or 245.
As optimize, described dispersed lubricant A is silicone oil and the mixture of silane coupling agent, described silane coupling
Agent is KH550 or KH570.
As optimize, described dispersed lubricant B is ethylene bis stearamide or glyceryl monostearate.
As optimize, the melt flow rate (MFR) of described polyformaldehyde is 1-26g/10min, and described polyformaldehyde is acefal homopolymer
Or copolymerized methanal.
As optimize, the content of the vinyl acetate of described ethene copolymer is 10-50%.
As optimize, described metal passivator is MD-697.
The preparation method of polyformaldehyde high stable basis master batch, by the polyformaldehyde of 50-100 weight portion, 50-100 weight portion
Ethene copolymer, the formaldehyde absorbent of 6-8 weight portion, the fomic acid absorber of 6-18 weight portion, the antioxygen of 6-18 weight portion
Agent, the metal passivator of 1-6 weight portion, the dispersed lubricant B of dispersed lubricant A, 0.3-6 weight portion of 0.3-6 weight portion exist
Pour at 80 ± 5 DEG C in high-speed mixer, stir 3-8 minute, double screw extruder after extruding, prepare polyformaldehyde high stable
Basis master batch.
The invention has the beneficial effects as follows:
The antioxidant of the present invention and metal passivator can suppress polyformaldehyde flavescence tendency can improve again the thermally-stabilised body of polyformaldehyde
System, master batch prepared by the present invention improves its decomposition temperature, suppresses the bad course of reaction such as chain rupture and piptonychia aldehyde, improves variable color and incline
To, in processed and applied, good mechanical property under high temperature, can be kept.There is provided a kind of processing characteristics excellent there is extensive practicality
The energy being worth meets high self-lubricating, the height manufacturing power drive and transmission parts and normally working under high speed, high pressure, high heat condition
Wear-resisting, strengthen, the basic masterbatch of the high stable of reinforced polyformaldehyde engineering plastic alloy.
Detailed description of the invention
Below in conjunction with embodiment, describe the present invention in detail.
Embodiment 1
The preparation method of polyformaldehyde high stable basis master batch, by the acefal homopolymer of 50 weight portions, the ethylene of 50 weight portions
Analog copolymer, the dicyandiamide of 6 weight portions, the calcium stearate of 6 weight portions, the antioxidant 1010 of 6 weight portions, the MD-of 1 weight portion
697, the silicone oil of 0.3 weight portion and the ethylene bis stearamide of the mixture of KH550,0.3 weight portion are poured at a high speed at 75 DEG C
In mixer, stir 3 minutes, double screw extruder after extruding, prepare polyformaldehyde high stable basis master batch.
The content of the vinyl acetate of described ethene copolymer is 10%.
The melt flow rate (MFR) of described acefal homopolymer is 1g/10min.
The kinematic viscosity of silicone oil controls at 0.001m2/ s, magnesium hydroxide is active nano level, and its mean diameter is at 25nm.
Embodiment 2
The preparation method of polyformaldehyde high stable basis master batch, by the acefal homopolymer of 75 weight portions, the ethylene of 75 weight portions
Analog copolymer, the dicyandiamide of 7 weight portions, the calcium stearate of 12 weight portions, the antioxidant 1010 of 12 weight portions, the MD-of 4 weight portions
697, the silicone oil of 3 weight portions and the ethylene bis stearamide of the mixture of KH550,3 weight portions pour mixed at high speed at 80 DEG C
In machine, stir 5 minutes, double screw extruder after extruding, prepare polyformaldehyde high stable basis master batch.
The content of the vinyl acetate of described ethene copolymer is 25%.
The melt flow rate (MFR) of described acefal homopolymer is 15g/10min.
The kinematic viscosity of silicone oil controls at 0.03m2/ s, magnesium hydroxide is active nano level, and its mean diameter is at 32nm.
Embodiment 3
The preparation method of polyformaldehyde high stable basis master batch, by the acefal homopolymer of 100 weight portions, the second of 100 weight portions
Vinyl copolymer, the dicyandiamide of 8 weight portions, the calcium stearate of 18 weight portions, the antioxidant 1010 of 18 weight portions, 6 weight portions
MD-697, the silicone oil of 6 weight portions and the mixture of KH550, the ethylene bis stearamide of 6 weight portions are poured into the most mixed at 85 DEG C
In conjunction machine, stir 8 minutes, double screw extruder after extruding, prepare polyformaldehyde high stable basis master batch.
The content of the vinyl acetate of described ethene copolymer is 50%.
The melt flow rate (MFR) of described acefal homopolymer is 26g/10min.
The kinematic viscosity of silicone oil controls at-0.06m2/ s, magnesium hydroxide is active nano level, and its mean diameter is at 40nm.
Embodiment 4
The preparation method of polyformaldehyde high stable basis master batch, by the copolymerized methanal of 50 weight portions, the ethylene of 50 weight portions
Analog copolymer, the tripolycyanamide of 6 weight portions, the magnesium hydroxide of 6 weight portions, the MD-of antioxidant 245,1 weight portion of 6 weight portions
697, the silicone oil of 0.3 weight portion and the glyceryl monostearate of the mixture of KH570,0.3 weight portion are poured at a high speed at 75 DEG C
In mixer, stir 3 minutes, double screw extruder after extruding, prepare polyformaldehyde high stable basis master batch.
The content of the vinyl acetate of described ethene copolymer is 10%.
The melt flow rate (MFR) of described acefal homopolymer is 1g/10min.
The kinematic viscosity of silicone oil controls at 0.001m2/ s, magnesium hydroxide is active nano level, and its mean diameter is at 25nm.
Embodiment 5
The preparation method of polyformaldehyde high stable basis master batch, by the copolymerized methanal of 75 weight portions, the ethylene of 75 weight portions
Analog copolymer, the tripolycyanamide of 7 weight portions, the magnesium hydroxide of 12 weight portions, antioxidant 245,4 weight portion of 12 weight portions
MD-697, the silicone oil of 3 weight portions and the mixture of KH570, the glyceryl monostearate of 3 weight portions are poured into the most mixed at 80 DEG C
In conjunction machine, stir 5 minutes, double screw extruder after extruding, prepare polyformaldehyde high stable basis master batch.
The content of the vinyl acetate of described ethene copolymer is 25%.
The melt flow rate (MFR) of described acefal homopolymer is 15g/10min.
The kinematic viscosity of silicone oil controls at 0.03m2/ s, magnesium hydroxide is active nano level, and its mean diameter is at 32nm.
Embodiment 6.
The preparation method of polyformaldehyde high stable basis master batch, by the copolymerized methanal of 100 weight portions, the second of 100 weight portions
Vinyl copolymer, the tripolycyanamide of 8 weight portions, the magnesium hydroxide of 18 weight portions, antioxidant 245,6 weight portion of 18 weight portions
MD-697, the silicone oil of 6 weight portions and the mixture of KH570, the glyceryl monostearate of 6 weight portions are poured into the most mixed at 85 DEG C
In conjunction machine, stir 8 minutes, double screw extruder after extruding, prepare polyformaldehyde high stable basis master batch.
The content of the vinyl acetate of described ethene copolymer is 50%.
The melt flow rate (MFR) of described acefal homopolymer is 26g/10min.
The kinematic viscosity of silicone oil controls at-0.06m2/ s, magnesium hydroxide is active nano level, and its mean diameter is at 40nm.
Polyformaldehyde high stable basis master batch prepared by the present invention, effectively stabilizes the molecule structure change of polyformaldehyde, presses down
Make its chain-breaking reaction, improve service life, expanded the technology of polyformaldehyde and the range of application of product, manufacture power can be met and pass
Dynamic conduction parts normally work under high speed, high pressure, high heat condition so that polyformaldehyde engineering plastic alloy has Gao Zirun
Cunning, high abrasion, enhancing, toughness reinforcing performance.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. polyformaldehyde high stable basis master batch, it is characterised in that include following component:
Polyformaldehyde high stable basis the most according to claim 1 master batch, it is characterised in that: described formaldehyde absorbent is double
Cyanamide or tripolycyanamide.
Polyformaldehyde high stable basis the most according to claim 1 master batch, it is characterised in that: described fomic acid absorber is hard
Fat acid calcium or magnesium hydroxide.
Polyformaldehyde high stable basis the most according to claim 1 master batch, it is characterised in that: described antioxidant be 1010 or
245。
Polyformaldehyde high stable basis the most according to claim 1 master batch, it is characterised in that: described dispersed lubricant A is
Silicone oil and the mixture of silane coupling agent, described silane coupling agent is KH550 or KH570.
Polyformaldehyde high stable basis the most according to claim 1 master batch, it is characterised in that: described dispersed lubricant B is
Ethylene bis stearamide or glyceryl monostearate.
Polyformaldehyde high stable basis the most according to claim 1 master batch, it is characterised in that: the melt flow of described polyformaldehyde
Dynamic speed is 1-26g/10min, and described polyformaldehyde is acefal homopolymer or copolymerized methanal.
Polyformaldehyde high stable basis the most according to claim 1 master batch, it is characterised in that: described ethene copolymer
The content of vinyl acetate is 10-50%.
Polyformaldehyde high stable basis the most according to claim 1 master batch, it is characterised in that: described metal passivator is
MD-697。
10. the preparation method of polyformaldehyde high stable basis master batch, it is characterised in that: by polyformaldehyde, the 50-of 50-100 weight portion
The ethene copolymer of 100 weight portions, the formaldehyde absorbent of 6-8 weight portion, the fomic acid absorber of 6-18 weight portion, 6-18 weight
Part antioxidant, the metal passivator of 1-6 weight portion, 0.3-6 weight portion dispersed lubricant A, 0.3-6 weight portion dispersion profit
Lubrication prescription B pours in high-speed mixer at 80 ± 5 DEG C, stirs 3-8 minute, double screw extruder prepare polyformaldehyde after extruding high
Stabilisation basis master batch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610798557.3A CN106243611A (en) | 2016-08-31 | 2016-08-31 | Polyformaldehyde high stable basis master batch and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610798557.3A CN106243611A (en) | 2016-08-31 | 2016-08-31 | Polyformaldehyde high stable basis master batch and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106243611A true CN106243611A (en) | 2016-12-21 |
Family
ID=58080998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610798557.3A Pending CN106243611A (en) | 2016-08-31 | 2016-08-31 | Polyformaldehyde high stable basis master batch and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106243611A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1225036A1 (en) * | 2001-01-17 | 2002-07-24 | Pongs & Zahn Plastics AG | Composite article |
| CN1730545A (en) * | 2005-08-04 | 2006-02-08 | 云南云天化股份有限公司 | Thermostable metaformaldehyde containing condensate of melamine and formaldehyde, and its preparation method |
| CN1970621A (en) * | 2006-11-08 | 2007-05-30 | 四川大学 | Highly ductile, abrasive-wearable self-lubricant polyformaldehyde material and its preparation method |
| CN1978523A (en) * | 2005-11-30 | 2007-06-13 | 中国科学院兰州化学物理研究所 | Modified polyacetal self-lubricating composite material, and its preparing method |
| CN101724222A (en) * | 2009-11-30 | 2010-06-09 | 中国蓝星（集团）股份有限公司 | High wear-resistence self-lubricating polyformaldehyde compound and preparation method thereof |
| CN101921452A (en) * | 2010-07-29 | 2010-12-22 | 中国蓝星（集团）股份有限公司 | High impact resistant polyformaldehyde compound and preparation method thereof |
-
2016
- 2016-08-31 CN CN201610798557.3A patent/CN106243611A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1225036A1 (en) * | 2001-01-17 | 2002-07-24 | Pongs & Zahn Plastics AG | Composite article |
| CN1730545A (en) * | 2005-08-04 | 2006-02-08 | 云南云天化股份有限公司 | Thermostable metaformaldehyde containing condensate of melamine and formaldehyde, and its preparation method |
| CN1978523A (en) * | 2005-11-30 | 2007-06-13 | 中国科学院兰州化学物理研究所 | Modified polyacetal self-lubricating composite material, and its preparing method |
| CN1970621A (en) * | 2006-11-08 | 2007-05-30 | 四川大学 | Highly ductile, abrasive-wearable self-lubricant polyformaldehyde material and its preparation method |
| CN101724222A (en) * | 2009-11-30 | 2010-06-09 | 中国蓝星（集团）股份有限公司 | High wear-resistence self-lubricating polyformaldehyde compound and preparation method thereof |
| CN101921452A (en) * | 2010-07-29 | 2010-12-22 | 中国蓝星（集团）股份有限公司 | High impact resistant polyformaldehyde compound and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 戴永旭: ""聚甲醛增韧增强的改性研究"", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
| 赵渠森: "《先进复合材料手册 第1版》", 31 May 2003, 机械工业出版社 * |
| 陈宇等: "《实用塑料助剂手册》", 28 February 2015, 化学工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1233734C (en) | Engineering plastic alloy of high self-lubricating, anti-wearing, strengthening polyformol and mfg. process | |
| US20110143152A1 (en) | Wear Resistant Lubricious Composite | |
| CN102382339B (en) | Low-noise nanometer material-polymer composite material for ship stern bearing and preparation method thereof | |
| CN101724222B (en) | High wear-resistence self-lubricating polyformaldehyde compound and preparation method thereof | |
| CN101121809A (en) | Lead-free modified polyformaldehyde material and its preparing method | |
| CN109722025A (en) | A kind of polyether sulphone composite material and its application | |
| JPH0254853B2 (en) | ||
| CN112358724B (en) | High-wear-resistance low-temperature-rise polyamide composition and preparation method and application thereof | |
| CN101575437A (en) | Self-lubricating polyoxymethylene/nano polytetrafluoroethylene blended compound material and preparation method thereof | |
| CN103788629B (en) | High abrasion, low noise glass fiber enhanced nylon composite and preparation method | |
| CN106243611A (en) | Polyformaldehyde high stable basis master batch and preparation method thereof | |
| CN104341710A (en) | Wear-resistant antistatic composite material for electronic device parts and preparation method thereof | |
| CN106090015B (en) | A kind of two-stage type plastic sliding bearing with material synergistic effect | |
| CN108384186B (en) | Polyether-ether-ketone composite material for bearing and preparation method thereof | |
| CN104448173B (en) | In-situ polymerization prepares the method for Graphene/polyformaldehyde composite material | |
| CN111548598A (en) | Aging-resistant high-toughness polyformaldehyde material and preparation method thereof | |
| CN103122090B (en) | Injection molding glass fiber reinforced ultrahigh molecular weight polyethylene and preparation method thereof | |
| CN103756245A (en) | Modified polyformaldehyde material and preparation method thereof | |
| CN109721909A (en) | A kind of preparation of emulsifier raw material polyvinyl alcohol | |
| CN113881478A (en) | Modified polyether-ether-ketone composite material and preparation method and application thereof | |
| CN109796755B (en) | Surface fatigue wear resistant thermoplastic polyamide composite material and preparation method thereof | |
| CN109721914A (en) | The preparation process of new modified acrylic acid | |
| CN110655760A (en) | Polyphenylene sulfide modified PET composition and preparation method thereof | |
| CN115366508B (en) | Solid-liquid cooperative lubrication noise reduction polymer composite material for ship stern bearing | |
| CN114181493B (en) | PEEK-based composite material with low abrasion and high comprehensive performance and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161221 |