CN108976347A - The production method of cis-butenedioic anhydride graft polypropylene wax - Google Patents

The production method of cis-butenedioic anhydride graft polypropylene wax Download PDF

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Publication number
CN108976347A
CN108976347A CN201810923839.0A CN201810923839A CN108976347A CN 108976347 A CN108976347 A CN 108976347A CN 201810923839 A CN201810923839 A CN 201810923839A CN 108976347 A CN108976347 A CN 108976347A
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China
Prior art keywords
cis
polypropylene wax
butenedioic anhydride
powder
production method
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CN201810923839.0A
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Chinese (zh)
Inventor
李绍通
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Luoyang Hemeng Technology Co Ltd
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Luoyang Hemeng Technology Co Ltd
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Priority to CN201810923839.0A priority Critical patent/CN108976347A/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F255/00Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
    • C08F255/02Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/44Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/46Polymerisation initiated by wave energy or particle radiation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/34Silicon-containing compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/04Oxygen-containing compounds
    • C08K5/14Peroxides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2237Oxides; Hydroxides of metals of titanium
    • C08K2003/2241Titanium dioxide

Abstract

The invention discloses the production method of cis-butenedioic anhydride graft polypropylene wax, this method is to be uniformly mixed cis-butenedioic anhydride, activator, polypropylene wax powder in a high speed mixer;Subsequently into multi-functional rubber and plastic processing unit (plant), under microwave and activator collective effect, graft reaction occurs for cis-butenedioic anhydride and polypropylene wax powder, and cis-butenedioic anhydride graft polypropylene wax is made.Invention introduces activators to promote microwave reaction efficiency, improves the grafting rate of cis-butenedioic anhydride graft polypropylene wax, greatly improves the compatibility of cis-butenedioic anhydride graft polypropylene wax product.

Description

The production method of cis-butenedioic anhydride graft polypropylene wax
Technical field
The present invention relates to the production methods of cis-butenedioic anhydride graft polypropylene wax, belong to polymer-wax graft modification technical field.
Background technique
Polypropylene wax is the low molecular weight polyethylene of molecular weight 1000~8000, is cracked by high molecular polymer, is organic Several sources such as monomer polymerization, high molecular polymer production by-product.It is widely used in daily use chemicals, leather, ink, plastics, weaves, builds It builds, the fields such as machinery.To polypropylene wax graft modification, assign its superior solvent-dispersible, pigment-dispersing, lubricity, The performances such as water dispersible are constantly subjected to pay attention to.
Cis-butenedioic anhydride graft modification polypropylene wax is important technological means.Cis-butenedioic anhydride raw material sources are extensive, price economy, and reaction is lived Property is strong.For the polypropylene wax that molecular weight is small, solid-liquid phase change temperature is low, viscosity is small for polyethylene, cis-butenedioic anhydride is suitable for The grafted monomers being modified for it.On the other hand, the easy autohemagglutination of cis-butenedioic anhydride itself crosses thermally labile, easily distils, not easily-controllable in graft reaction System, is the bottleneck of cis-butenedioic anhydride graft modification polypropylene wax technology.
The Chinese patent of Patent No. 97180045.6 discloses " polar modified polypropylene waxes ", is to make nonpolar poly- third Polyamino alkenyl object or copolymer waxes and unsaturated carboxylic acid or derivatives thereof react in the presence of free radical forming agent, this wax can be used as Plastic additive uses, water supplying capability dispersion liquid or the melt bonded agent prescription of confession.
The Chinese patent that number of patent application is 98115939.7 discloses polypropylene wax, is a kind of to be existed with Metallocenic compound Pass through the polypropylene homopolymer and copolymer waxes of polymerization preparation in the presence of hydrogen.Because of its high thermal stability, these waxes, which are not shown, to be taken off Color and cross-linking reaction, therefore particularly suitable for for plastic processing, being used as masterbatch, as printing ink, surface in toner Coating and hot-melt adhesive.
CN101597358 discloses the production production method and its device of a kind of cis-butenedioic anhydride graft polypropylene wax, grafting and activating Agent is styrene or maleic acid monoester, and 3~5 additions of cis-butenedioic anhydride monomer point reduce side reaction, improve product quality.Although cis-butenedioic anhydride Monomer is added by several times, bad since instantaneous dispersing is added, and under initiator effect, easily autohemagglutination generates high local concentrations monomer Side reaction.
The Chinese patent that number of patent application is 200710041734.4 discloses " a kind of polyethylene wax polypropylene wax and petroleum The method of wax cooxidation " is using catalyst, with oxygen, air or oxygen-containing gas to polyethylene wax, polypropylene wax and pertroleum wax Cooxidation, advantage are that product hardness is big, emulsifiability is excellent, glossiness is good.
Above-mentioned preparation method complex process, energy consumption are high, equipment investment is big, and production cost is relatively high, inadequate economical rationality.
Summary of the invention
The purpose of the present invention is to solve the above-mentioned problems, has researched and developed the producer of cis-butenedioic anhydride graft polypropylene wax Method.
Microwave heat and induced chemical reaction in terms of be widely used, application is more especially in terms of induced chemical reaction By force.Microwave heating be using heated material polar molecule in microwave electromagnetic field (frequency 2450MHz) fast steering and It aligns, to generate tearing and phase mutual friction and generate heat.Microwave induction catalytic reaction is by high-intensitive short pulse microwave spoke It penetrates and focuses on the solid catalyst bed surface containing certain " substance ", due to the strong work of surface metal point and microwave energy With microwave energy will be converted heat, to make certain surface points be selectively heated to very high temperature quickly, in reactor Material can react when contacting with the surface point being stimulated.
Microwave technology Heterosis exists: (1) microwave has very strong penetrability, and homogeneous heating can directly act on and be added Hot substance makes to heat and act on together inside and outside it, and moment can reach predetermined temperature;(2) it is transported at a high speed under microwave electromagnetic field action It is dynamic, the contact probability of auxiliary agent and material is greatly increased, contact interface is constantly updated, thus can increase substantially reaction speed, And auxiliary agent is made to be fully used.(3) microwave treatment be not in hot-spot, it is partially carbonized, agglomeration phenomena such as, it is easy to accomplish Automation, mitigates the working strength of operator.
The multi-functional rubber and plastic processing unit (plant) that the present invention uses is the entitled multi-functional rubber and plastic processing unit (plant) (patent No. CN201720960911 the equipment described in).
The purpose of the invention is achieved by the following technical solution:
1, the production method of cis-butenedioic anhydride graft polypropylene wax, it is characterised in that: (1) by the measured cis-butenedioic anhydride of poidometer, activator, poly- third Alkene wax powder body is uniformly mixed in a high speed mixer;(2) under nitrogen protection state, by cis-butenedioic anhydride, activator, polypropylene wax Powder mixture is added under multi-functional rubber and plastic processing unit (plant) stirring and preheats;(3) start microwave generator, make cis-butenedioic anhydride, activation Agent, polypropylene wax powder mixture react 10-200 minutes under microwave and activator collective effect, make cis-butenedioic anhydride molecule and poly- second Graft reaction occurs for alkene molecule, and cis-butenedioic anhydride graft polypropylene wax is made.
2, cis-butenedioic anhydride additional amount is the 0.3-10% of polypropylene wax powder quality.
3, activator is the mixture or mistake of peroxide cumyl peroxide Yu microwave absorption silicon carbide powder The mixture or peroxide peroxidating diisopropyl of oxide cumyl peroxide and microwave absorption titanium dioxide powder The mixture of benzene and microwave absorption silicon carbide powder, microwave absorption titanium dioxide powder three;Cumyl peroxide adds Enter the 0-0.9% that amount is polypropylene wax powder quality, microwave absorption silicon carbide powder additional amount is polypropylene wax powder quality 1-10%, microwave absorption titanium dioxide powder additional amount are the 0-10% of polypropylene wax powder quality.
4, polypropylene wax partial size is less than 100 microns.
5, microwave absorption silicon carbide powder partial size is less than 100 microns.
6, microwave absorption titanium dioxide powder partial size is less than 100 microns.
7, cis-butenedioic anhydride, activator, polypropylene wax powder mixture the preheating temperature of multi-functional rubber and plastic process equipment be 30 DEG C- 150℃。
The thermos have the advantages that
1, using high-speed mixer, cis-butenedioic anhydride, activator, polypropylene wax powder can be made to be sufficiently mixed uniformly.
2, using nitrogen protection, it can prevent material from oxidation side reaction occurs.
3, cis-butenedioic anhydride, activator, polypropylene wax powder mixture preheating temperature are 30 DEG C -150 DEG C, microwave can be made directly to send out Raw effect.
4, cis-butenedioic anhydride, activator, polypropylene wax powder mixture are by multi-functional rubber and plastic processing unit (plant) in microwave and activator It is reacted under collective effect, makes cis-butenedioic anhydride molecule and polyethylene molecule that graft reaction occur.
Specific embodiment
Below with reference to embodiment, the invention will be further described, and embodiment is merely to illustrate the present invention rather than limitation The scope of the present invention, after having read content of the present invention, those skilled in the art to the present invention make it is various change or Modification, such equivalent forms equally fall within following claims limited range.
Embodiment
1, it is as follows to prepare equipment, facility: (1) high-speed mixer is used in 10 liters of experiments;(2) 10 liters of experiment electricity consumption heated multi-functions Rubber and plastic process equipment (air-cooled microwave generator power: 2000 watts);(3) industrial nitrogen (99%).
2, following components is weighed according to parts by weight: (1) polypropylene wax powder: 3000 grams;(2) cis-butenedioic anhydride (99.5%): 100 grams; (3) silicon carbide powder (1000 mesh): 70 grams;(4) titanium dioxide powder (99%): 30 grams;(4) cumyl peroxide DCP (98%): 7 grams.
3, above-mentioned cis-butenedioic anhydride, activator, polypropylene wax powder are blended to 2-7 points in 10 liters of experiment high-speed mixers Clock makes temperature of charge not higher than 70 DEG C.
4, the cis-butenedioic anhydride mixed, activator, polypropylene wax powder mixture are added to 10 liters of more function of experiment electric heating In energy rubber and plastic process equipment, nitrogen protection valve is opened, nitrogen is passed through.
5, starting stirs, is heated to 70 DEG C, starts microwave generator, microwave treatment material 15 minutes, closes microwave Device.
6, nitrogen protection is stirred for 5 minutes, and blowing obtains cis-butenedioic anhydride graft polypropylene wax powder.

Claims (7)

1. the production method of cis-butenedioic anhydride graft polypropylene wax, it is characterised in that: (1) by the measured cis-butenedioic anhydride of poidometer, activator, poly- third Alkene wax powder body is uniformly mixed in a high speed mixer;(2) under nitrogen protection state, by cis-butenedioic anhydride, activator, polypropylene wax Powder mixture is added under multi-functional rubber and plastic processing unit (plant) stirring and preheats;(3) start microwave generator, make cis-butenedioic anhydride, activation Agent, polypropylene wax powder mixture react 10-200 minutes under microwave and activator collective effect, make cis-butenedioic anhydride molecule and poly- second Graft reaction occurs for alkene molecule, and cis-butenedioic anhydride graft polypropylene wax is made.
2. according to the production method of cis-butenedioic anhydride graft polypropylene wax described in claim l, it is characterised in that: cis-butenedioic anhydride additional amount is poly- The 0.3-10% of propylene wax powder weight.
3. according to the production method of cis-butenedioic anhydride graft polypropylene wax described in claim l, it is characterised in that: activator is peroxidating The mixture or peroxide cumyl peroxide of object cumyl peroxide and microwave absorption silicon carbide powder with it is micro- The mixture or peroxide cumyl peroxide and microwave absorption carborundum powder of wave absorbent titanium dioxide powder Body, microwave absorption titanium dioxide powder three mixture;Cumyl peroxide additional amount is polypropylene wax powder quality 0-0.9%, microwave absorption silicon carbide powder additional amount is the 1-10% of polypropylene wax powder quality, microwave absorption titanium dioxide Titanium valve body additional amount is the 0-10% of polypropylene wax powder quality.
4. according to the production method of cis-butenedioic anhydride graft polypropylene wax described in claim l, it is characterised in that: polypropylene wax partial size is small In 100 microns.
5. according to the production method of cis-butenedioic anhydride graft polypropylene wax described in claim l, it is characterised in that: microwave absorption carbonization Silicon powder partial size is less than 100 microns.
6. according to the production method of cis-butenedioic anhydride graft polypropylene wax described in claim l, it is characterised in that: microwave absorption dioxy Change titanium diameter of particle less than 100 microns.
7. according to the production method of cis-butenedioic anhydride graft polypropylene wax described in claim l, it is characterised in that: cis-butenedioic anhydride, gathers activator Propylene wax powder mixture is 30 DEG C -150 DEG C in the preheating temperature of multi-functional rubber and plastic process equipment.
CN201810923839.0A 2018-08-11 2018-08-11 The production method of cis-butenedioic anhydride graft polypropylene wax Pending CN108976347A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101597358A (en) * 2008-06-02 2009-12-09 张发饶 A kind of preparation method of maleic anhydride inoculated polypropylene wax and device thereof
JP2015013988A (en) * 2013-06-06 2015-01-22 三井化学株式会社 Production method of modified olefin polymer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101597358A (en) * 2008-06-02 2009-12-09 张发饶 A kind of preparation method of maleic anhydride inoculated polypropylene wax and device thereof
JP2015013988A (en) * 2013-06-06 2015-01-22 三井化学株式会社 Production method of modified olefin polymer

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
孙晓峰等: "纳米微波吸收剂对改性环氧胶粘剂微波固化性能的影响", 《郑州大学学报(工学版)》 *
郑晓霞等: "聚乙烯蜡的微波辐射接枝反应研究", 《合成树脂及塑料》 *

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