CN108102022A - A kind of polypropylene flame redardant acids plastics and preparation method and application - Google Patents
A kind of polypropylene flame redardant acids plastics and preparation method and application Download PDFInfo
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- CN108102022A CN108102022A CN201711155728.1A CN201711155728A CN108102022A CN 108102022 A CN108102022 A CN 108102022A CN 201711155728 A CN201711155728 A CN 201711155728A CN 108102022 A CN108102022 A CN 108102022A
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- Prior art keywords
- polypropylene flame
- flame redardant
- acids
- monomer
- plastics
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/14—Methyl esters, e.g. methyl (meth)acrylate
Abstract
The invention discloses a kind of polypropylene flame redardant acids plastics and preparation method and application, its ingredient, preparation and applications.The flame retardant property of the sample prepared in the present invention is all significantly improved：Need the longer time that can just light sample；Sample in air can self-extinguishment；Smoke density when resin burns is substantially reduced.Ionic liquid fire retardant in the present invention can be used for the preparation of casting plate.Outside conventional propylene acid monomers, there is a kind of ionic liquid comonomer：This monomer introduces flame-retardant composition again simultaneously.Plastics can be obtained by bulk polymerization, polymerisation in solution method, be can be ultimately utilized in organic glass and be widely used in building, advertisement, traffic, medicine, civil goods and commercial Application：Instrument surface plate and protecting cover etc. and illumination application：Fluorescent lamp, pendent lamp, street lamp cover etc..
Description
Technical field
The invention belongs to field of functional materials, and in particular to a kind of polypropylene flame redardant acids plastics and preparation method thereof are with answering
With.
Background technology
It is referred to as acrylics, corresponding plastics system by the obtained polymer of polymerizable raw material of acrylicacidandesters class
Claim polyacrylic plastics, wherein most widely used with polymethyl ester methyl ester.Polymethyl methacrylate abbreviation code name be
PMMA is commonly called as organic glass.This macromolecule transparent material is the high-molecular compound formed by methyl methacrylate polymerization.It is
It is a kind of to develop important thermoplastic earlier.Organic glass be widely used in building, advertisement, traffic, medicine, civil goods, with
And commercial Application：Instrument surface plate and protecting cover etc. and illumination application：Fluorescent lamp, pendent lamp, street lamp cover etc..
Polymethyl methacrylate is easy to burn, and has limited oxygen index only 17.3, is much needing the fire-retardant place can not
It uses, this point is very unfortunate.However the fire-retardant of PMMA is not easy to, because PMMA is mostly used for transparent field, should keep
Bright property, reaches fire protection requirement again, and such fire retardant is seldom！Domestic and international available fire retardant probably has：Sandoflame
5060, brominated phosphate CBP, dimethyl methyl phosphonate DMMP, diethylhexyl tetrabromo-phthalate TBPH etc., although
In this way, these fire retardants will reach, UL94V0 ranks are also extremely difficult, and additive amount will often reach more than 30% even 40%,
This is why few on the market see fire-retardant transparent PMMA materials.
The content of the invention
Goal of the invention：In order to solve the deficiencies in the prior art, the present invention provides a kind of polypropylene flame redardant acids plastics and
For its preparation method with applying, the new fire retardant in the present invention can be used for the preparation of PMMA extrusion boards.This based flame retardant can
Can be addition type or reactive for extrusion board or casting plate.
Technical solution：A kind of polypropylene flame redardant acids plastics, the polypropylene flame redardant acids plastics are in Conventional acrylic
Outside monomer, there is a kind of comonomer of ionic liquid, the comonomer introduces flame-retardant composition again simultaneously.
As an optimization：The structural formula of the comonomer of the ionic liquid is as follows：A+B-；The structure of cation can
For one kind in having structure：
Wherein R0-5 at least one chooses from following groups：
Other R can choose from following groups respectively：Hydrogen, C (1-20) alkyl, aromatic radical, C (3-10) heterocycle, C (3-
10) cycloalkyl, (C3-ClO) heterocycle (C1-C8) alkyl, aromatic radical (Cl-C8) alkyl, heterocyclic aromatic base and heterocyclic aromatic base
(Cl-C8) alkyl；
Above-mentioned group does not have substituent group or has substituents group：One or two halogen, nitro, trifluoromethy,
Trifluoromethoxy, methoxyl group, carboxyl ,-NH2 ,-OH ,-SH ,-NHCH3 ,-N (CH3) 2, cyano ,-SO3H ,-P (O) (OC (1-
5))2；
It is chosen in the anion that anion can be listed from having structure：
Wherein R chooses from following groups：Hydrogen, C (1-20) alkyl, aromatic radical, C (3-10) heterocycle, C (3-10) cycloalkyl,
(C3-ClO) heterocycle (C1-C8) alkyl, aromatic radical (Cl-C8) alkyl, heterocyclic aromatic base and heterocyclic aromatic base (Cl-C8) alkyl；
Above-mentioned group does not have substituent group or has substituents group：One or two halogen, nitro, trifluoromethy,
Trifluoromethoxy, methoxyl group, carboxyl ,-NH2 ,-OH ,-SH ,-NHCH3 ,-N (CH3) 2, cyano ,-SO3H ,-P (O) (OC (1-
5))2。
As an optimization：The flame-retardant composition is that single ionic liquid or several ionic liquids are used with.
As an optimization：The polypropylene flame redardant acids plastics are polymethyl methacrylate (PMMA) and its copolymer,
Including methyl methacrylate and styrol copolymer, methyl methacrylate, styrene, nitrile rubber copolymer, methyl-prop
Copolymer, the poly- alpha-chloro third of e pioic acid methyl ester and styrene, butadiene rubber copolymer, methyl methacrylate and methyl acrylate
E pioic acid methyl ester, poly- Mecrilate.
As an optimization：The ionic liquid comonomer additive amount account for the ratio of entire monomer 0.1%-50% or
Person is that 1%-40% is either 3%-30% or is 5%-20%.
A kind of preparation method of polypropylene flame redardant acids plastics described in basis, the polypropylene flame redardant acids plastics can
It is obtained by semi-continuous process, seeded polymerization or pre-emulsifying method.
As an optimization：The semi-continuous process concrete operations are as follows：
First by all water, emulsifier, initiator, auxiliary agent etc. all input reactor, stirring heats up；By all lists
Body mixing is placed in titration outfit, when temperature is increased to 75~78 DEG C of polymerization temperature in reactor, and blue-fluorescence occurs
When, mix monomer is uniformly added dropwise into reactor；Usually after all monomer droppings, temperature is increased to 85~90
DEG C, and 1h is kept the temperature, monomer conversion at this time>98%, it is cooled to 40~50 DEG C or so, adds in ammonium hydroxide and adjust pH value to 8~9,
It can discharge.
As an optimization：The seeded polymerization concrete operations are as follows：
First all water, emulsifier, auxiliary agent and a small amount of monomer are put into reactor and are warming up to as initial charge, stirring
75~78 DEG C of polymerization temperature；A small amount of initiator initiated polymerization is added in, after the completion for the treatment of that reaction is basic, then is dropped evenly respectively
Monomer and initiator；After dripping off, 85~90 DEG C are warming up to, insulation reaction to conversion ratio>98%, 40~50 DEG C are cooled to, is adjusted
PH value can discharge to 8~9.
As an optimization：The pre-emulsifying method concrete operations are as follows：
By in the 4/5 of the total dosage of water, emulsifier, initiator, auxiliary agent and whole monomer input containers, quickly stir at room temperature
Mix emulsification 30min；Then will be stirred in 1/3 pre-emulsion and 1/5 water input reactor；Polymerization temperature is warming up to, is reacted
Remaining pre-emulsion is added dropwise after 0.5~1h, is dripped off in 3h；Insulation reaction is to conversion ratio>98%, cooling adjusts pH value, i.e.,
It can discharge.
A kind of application of polypropylene flame redardant acids plastics described in basis, the polypropylene flame redardant acids plastics are used to build
Build, advertisement, traffic, medicine, civil goods, commercial Application and illumination application, described industrially applies to：Instrument surface plate and shield
Lid, the illumination are applied to：Fluorescent lamp, pendent lamp, street lamp cover.
Advantageous effect：The specific advantage of the present invention is as follows：
(1) the ionic liquid fire retardant in the present invention will not volatilize, and also predominantly stay in solid phase in burning and play resistance
Combustion acts on.And traditional phosphate belongs to semi-volatile compounds, when burning, can evaporate into gas phase.Phosphoric acid is disclosed in spite of research
Ester also may have fire retardation, but effect unobvious in gas phase.Therefore, ionic liquid fire retardant is than traditional phosphate flame retardant
Flame retardant effect is more excellent.
(2) " designability " of the structure of the ionic liquid in the present invention, can provide optimal phase for different plastic products
The fire retardant design of capacitive.Splendid compatibility causes fire retardant to uniformly disperse or even be dissolved in plastics, so as to plastics
The influence of physical mechanical property is minimum.The transparency of transparent plastic can be unaffected.
(3) different points are introduced between fire retardant and plastics macromolecular chain due to the special structure of " ion " in the present invention
Sub- power, so as to reduce fire retardant plasticising side effect so that the glass transition temperature of plastics either heat distortion temperature do not decline or
Decline few.
(4) present invention in more than the melt temperature of plastics, the molecular separating force between fire retardant and plastics macromolecule is beaten
Broken, fire retardant plays the role of processing aid again, effectively reduces the viscosity of the melt of plastics, and can reduce plastic processing temperature and
The molding defect rate of plastic product.
(5) there is good dissolubility to organic matter, inorganic matter, high molecular material due to ionic liquid in the present invention,
Ionic liquid fire retardant can be with conventional flame retardant compounding use, and can improve the compatibility of conventional flame retardant in the plastic and disperse
Property, reduce the influence to plastics physical mechanical property.
(6) the ionic liquid fire retardant in the present invention can be used for the preparation of PMMA extrusion boards or casting plate using simply,
It can be used for being surface-treated.
Description of the drawings
Fig. 1 is the cationic structural schematic diagram in the fire retardant in the present invention；
Fig. 2 is the anion structure schematic diagram in the fire retardant in the present invention.
Specific embodiment
The technical solution in the embodiment of the present invention will be clearly and completely described below, so that the technology of this field
Personnel can be better understood from advantages and features of the invention, so as to make apparent boundary to protection scope of the present invention
It is fixed.Embodiment described in the invention is only part of the embodiment of the present invention, instead of all the embodiments, based on the present invention
In embodiment, the every other implementation that those of ordinary skill in the art are obtained on the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
As shown in Figs. 1-2, a kind of polypropylene flame redardant acids plastics, the polypropylene flame redardant acids plastics are in conventional propylene
Outside acid monomers, there is a kind of comonomer of ionic liquid, the comonomer introduces flame-retardant composition again simultaneously.
The structural formula of the comonomer of the ionic liquid is as follows：A+B-；The structure of cation can be following knot
One kind in structure：
Wherein R0-5 at least one chooses from following groups：
Other R can choose from following groups respectively：Hydrogen, C (1-20) alkyl, aromatic radical, C (3-10) heterocycle, C (3-
10) cycloalkyl, (C3-ClO) heterocycle (C1-C8) alkyl, aromatic radical (Cl-C8) alkyl, heterocyclic aromatic base and heterocyclic aromatic base
(Cl-C8) alkyl；
Above-mentioned group does not have substituent group or has substituents group：One or two halogen, nitro, trifluoromethy,
Trifluoromethoxy, methoxyl group, carboxyl ,-NH2 ,-OH ,-SH ,-NHCH3 ,-N (CH3) 2, cyano ,-SO3H ,-P (O) (OC (1-
5))2；
It is chosen in the anion that anion can be listed from Fig. 2, wherein R chooses from following groups：Hydrogen, C (1-20) alkane
Base, aromatic radical, C (3-10) heterocycle, C (3-10) cycloalkyl, (C3-ClO) heterocycle (C1-C8) alkyl, aromatic radical (Cl-C8) alkane
Base, heterocyclic aromatic base and heterocyclic aromatic base (Cl-C8) alkyl；
Above-mentioned group does not have substituent group or has substituents group：One or two halogen, nitro, trifluoromethy,
Trifluoromethoxy, methoxyl group, carboxyl ,-NH2 ,-OH ,-SH ,-NHCH3 ,-N (CH3) 2, cyano ,-SO3H ,-P (O) (OC (1-
5))2。
The flame-retardant composition is that single ionic liquid or several ionic liquids are used with.
The polypropylene flame redardant acids plastics are polymethyl methacrylate (PMMA) and its copolymer, including methyl-prop
E pioic acid methyl ester and styrol copolymer, methyl methacrylate, styrene, nitrile rubber copolymer, methyl methacrylate with
Styrene, butadiene rubber copolymer, the copolymer of methyl methacrylate and methyl acrylate, poly- methyl α-chloroacrylate,
Poly- Mecrilate.
The ionic liquid comonomer additive amount accounts for the 0.1%-50% of the ratio of entire monomer or is 1%-
40% is either 3%-30% or is 5%-20%.
According to the application of the polypropylene flame redardant acids plastics, the polypropylene flame redardant acids plastics for build,
Advertisement, traffic, medicine, civil goods, commercial Application and illumination application, described industrially applies to：Instrument surface plate and protecting cover, institute
The illumination stated is applied to：Fluorescent lamp, pendent lamp, street lamp cover.
A kind of preparation method of polypropylene flame redardant acids plastics described in basis, the polypropylene flame redardant acids plastics can
It is obtained by semi-continuous process, seeded polymerization or pre-emulsifying method.
Specific embodiment 1
The semi-continuous process concrete operations are as follows：
First by all water, emulsifier, initiator, auxiliary agent etc. all input reactor, stirring heats up；By all lists
Body mixing is placed in titration outfit, when temperature is increased to 75~78 DEG C of polymerization temperature in reactor, and blue-fluorescence occurs
When, mix monomer is uniformly added dropwise into reactor；Usually after all monomer droppings, temperature is increased to 85~90
DEG C, and 1h is kept the temperature, monomer conversion at this time>98%, it is cooled to 40~50 DEG C or so, adds in ammonium hydroxide and adjust pH value to 8~9,
It can discharge.
Specific embodiment 2
The seeded polymerization concrete operations are as follows：
First all water, emulsifier, auxiliary agent and a small amount of monomer are put into reactor and are warming up to as initial charge, stirring
75~78 DEG C of polymerization temperature；A small amount of initiator initiated polymerization is added in, after the completion for the treatment of that reaction is basic, then is dropped evenly respectively
Monomer and initiator；After dripping off, 85~90 DEG C are warming up to, insulation reaction to conversion ratio>98%, 40~50 DEG C are cooled to, is adjusted
PH value can discharge to 8~9.
Specific embodiment 3
The pre-emulsifying method concrete operations are as follows：
By in the 4/5 of the total dosage of water, emulsifier, initiator, auxiliary agent and whole monomer input containers, quickly stir at room temperature
Mix emulsification 30min；Then will be stirred in 1/3 pre-emulsion and 1/5 water input reactor；Polymerization temperature is warming up to, is reacted
Remaining pre-emulsion is added dropwise after 0.5~1h, is dripped off in 3h；Insulation reaction is to conversion ratio>98%, cooling adjusts pH value, i.e.,
It can discharge.
Case study on implementation 4
1. the accurate 0.05g initiator Bs PO that weighs adds in conical flask, then measure that (15mLMMA and 1.5ml above-claimed cpds mix
Close liquid) it adds in, conical flask is jiggled until BPO is completely dissolved.
It 2. conical flask is covered plug, and moves in 85 DEG C of waters bath with thermostatic control, records the time, observe and record next experiment
Phenomenon.Pay attention to observing polymerization system viscosity variation, (not shake always), (reaction when system viscosity is close with glycerine viscosity
When need 0.5~1 are small), conical flask from water-bath is removed immediately, 40 DEG C or so are cooled in the beaker for containing cold water.It is cooled to
Room temperature.The setting of water-bath pot temperature is turned down to 50 DEG C.
3. taking the test tube of a dried and clean, to have avoided bubble generation, prepolymer slowly, in thread wire is poured into test tube
In, pay attention to being sure not filling completely, certain space should be reserved with expansion cracking proof.It can vertically stand if necessary and drive bubble out of for a period of time.
It 4. being sealed test tube with rubber plug, is put into thermostat water bath, when 50 DEG C of constant temperature polymerizations 1 are small, then is warming up to 60 DEG C of perseverances
When temperature polymerization 1 is small, be warming up to 70 DEG C of constant temperature polymerization 1 it is small when, place polymerized at normal temperature 48 it is small when more than, reaction is made to tend to be complete, directly
To hardening.
Ionic liquid fire retardant can also be response type.
Case study on implementation 5
The processing technology of case study on implementation 5 above is similar with the technique disclosed by case 4, is prepared into fire-retardant casting plate.
Fire retardant in the present invention is based on ion liquid compound.Ionic liquid refers in room temperature or close to being at room temperature
Salt showing liquid, being made of completely zwitterion, also referred to as low temperature molten salt.Ionic liquid as ionic compound,
Lower melting-point main cause is because the asymmetry of some substituent groups in its structure prevents ion from being regularly piled into crystal
It is caused.
It is made of organic cation and inorganic or organic anion, it is described cation See Figure 1, have quaternary ammonium salt from
Son, quaternary phosphine salt ion, imidazolium ion and pyrroles's salt ion etc..The anion See Figure 2, there is halide ion, tetrafluoro boric acid
Radical ion, hexafluorophosphoricacid acid ions, phosphate anion, sulphonic acid ester anion etc..
The flame retardant property of the sample prepared in the present invention is all significantly improved：Need the longer time just can be by sample spot
Combustion；Sample in air can self-extinguishment；Smoke density when resin burns is substantially reduced.Ionic liquid fire retardant in the present invention also may be used
For the preparation of casting plate.
Ionic liquid fire retardant in the present invention will not volatilize, and also predominantly stay in solid phase in burning and play fire-retardant work
With.And traditional phosphate belongs to semi-volatile compounds, when burning, can evaporate into gas phase.Disclosing phosphate in spite of research can
Also can there are fire retardation, but effect unobvious in gas phase.Therefore, ionic liquid fire retardant is more fire-retardant than traditional phosphate flame retardant
Effect is more excellent.
" designability " of the structure of ionic liquid in the present invention can provide optimal compatibility for different plastic products
Fire retardant design.Splendid compatibility causes fire retardant to uniformly disperse or even be dissolved in plastics, so as to the physics to plastics
The influence of mechanical performance is minimum.The transparency of transparent plastic can be unaffected.
Different molecules is introduced between fire retardant and plastics macromolecular chain due to the special structure of " ion " in the present invention
Power, so as to reduce fire retardant plasticising side effect so that the glass transition temperature of plastics either heat distortion temperature do not decline or under
Drop is few.
In the present invention more than the melt temperature of plastics, the molecular separating force between fire retardant and plastics macromolecule is broken,
Fire retardant plays the role of processing aid again, effectively reduces the viscosity of the melt of plastics, and can reduce temperature and the modeling of plastic processing
Expect the defect rate of formed product.
There are good dissolubility, ion to organic matter, inorganic matter, high molecular material due to ionic liquid in the present invention
Liquid flame retardant can be with conventional flame retardant compounding use, and can improve the compatibility and dispersiveness of conventional flame retardant in the plastic,
Reduce the influence to plastics physical mechanical property.
Ionic liquid fire retardant in the present invention can be used for the preparation of PMMA extrusion boards or casting plate using simply,
It can be used for being surface-treated.
Claims (10)
1. a kind of polypropylene flame redardant acids plastics, it is characterised in that：The polypropylene flame redardant acids plastics are in Conventional acrylic
Outside monomer, there is a kind of comonomer of ionic liquid, the comonomer introduces flame-retardant composition again simultaneously.
2. polypropylene flame redardant acids plastics according to claim 1, it is characterised in that：The copolymerization list of the ionic liquid
The structural formula of body is as follows：A+B-；The structure of cation can be one kind in having structure：
Wherein R0-5 at least one chooses from following groups：
Other R can choose from following groups respectively：Hydrogen, C (1-20) alkyl, aromatic radical, C (3-10) heterocycle, C (3-10) cycloalkanes
Base, (C3-ClO) heterocycle (C1-C8) alkyl, aromatic radical (Cl-C8) alkyl, heterocyclic aromatic base and heterocyclic aromatic base (Cl-C8) alkane
Base；
Above-mentioned group does not have substituent group or has substituents group：One or two halogen, nitro, trifluoromethy, trifluoro
For methoxyl group, methoxyl group, carboxyl ,-NH2 ,-OH ,-SH ,-NHCH3 ,-N (CH3) 2, cyano ,-SO3H ,-P (O) (OC (1-5)) 2；
It is chosen in the anion that anion can be listed from having structure：
Wherein R chooses from following groups：Hydrogen, C (1-20) alkyl, aromatic radical, C (3-10) heterocycle, C (3-10) cycloalkyl, (C3-
ClO) heterocycle (C1-C8) alkyl, aromatic radical (Cl-C8) alkyl, heterocyclic aromatic base and heterocyclic aromatic base (Cl-C8) alkyl；
Above-mentioned group does not have substituent group or has substituents group：One or two halogen, nitro, trifluoromethy, trifluoro
For methoxyl group, methoxyl group, carboxyl ,-NH2 ,-OH ,-SH ,-NHCH3 ,-N (CH3) 2, cyano ,-SO3H ,-P (O) (OC (1-5)) 2.
3. polypropylene flame redardant acids plastics according to claim 1, it is characterised in that：The flame-retardant composition is single
Ionic liquid or several ionic liquids are used with.
4. polypropylene flame redardant acids plastics according to claim 1, it is characterised in that：The polypropylene flame redardant acids modeling
Material is polymethyl methacrylate (PMMA) and its copolymer, including methyl methacrylate and styrol copolymer, methyl-prop
E pioic acid methyl ester, styrene, nitrile rubber copolymer, methyl methacrylate and styrene, butadiene rubber copolymer, metering system
The copolymer of sour methyl esters and methyl acrylate, poly- methyl α-chloroacrylate, poly- Mecrilate.
5. polypropylene flame redardant acids plastics according to claim 1, it is characterised in that：The ionic liquid comonomer
The 0.1%-50% that additive amount accounts for the ratio of entire monomer is either that 1%-40% is either 3%-30% or is 5%-
20%.
6. a kind of preparation method of polypropylene flame redardant acids plastics according to claim 1, it is characterised in that：The resistance
Combustion polyacrylic plastics can be obtained by semi-continuous process, seeded polymerization or pre-emulsifying method.
7. the preparation method of polypropylene flame redardant acids plastics according to claim 6, it is characterised in that：Described is semicontinuous
Method concrete operations are as follows：
First by all water, emulsifier, initiator, auxiliary agent etc. all input reactor, stirring heats up；All monomers are mixed
Conjunction is placed in titration outfit, when temperature is increased to 75~78 DEG C of polymerization temperature in reactor, and blue-fluorescence occurs, to anti-
It answers and mix monomer is uniformly added dropwise in device；Usually after all monomer droppings, temperature is increased to 85~90 DEG C, and is kept the temperature
1h, monomer conversion at this time>98%, 40~50 DEG C or so are cooled to, ammonium hydroxide is added in and adjusts pH value to 8~9, can discharge.
8. the preparation method of polypropylene flame redardant acids plastics according to claim 6, it is characterised in that：The seed gathers
Legal concrete operations are as follows：
First all water, emulsifier, auxiliary agent and a small amount of monomer are put into reactor and are warming up to polymerization as initial charge, stirring
75~78 DEG C of temperature；Add in a small amount of initiator initiated polymerization, after the completion for the treatment of that reaction is basic, then drop evenly respectively monomer and
Initiator；After dripping off, 85~90 DEG C are warming up to, insulation reaction to conversion ratio>98%, 40~50 DEG C are cooled to, adjusts pH value to 8
~9, it can discharge.
9. the preparation method of polypropylene flame redardant acids plastics according to claim 6, it is characterised in that：The pre-emulsification
Method concrete operations are as follows：
By in the 4/5 of the total dosage of water, emulsifier, initiator, auxiliary agent and whole monomer input containers, quick stirring is newborn at room temperature
Change 30min；Then will be stirred in 1/3 pre-emulsion and 1/5 water input reactor；It is warming up to polymerization temperature, reaction 0.5~
Remaining pre-emulsion is added dropwise after 1h, is dripped off in 3h；Insulation reaction is to conversion ratio>98%, cooling adjusts pH value, can go out
Material.
10. a kind of application of polypropylene flame redardant acids plastics according to claim 1, it is characterised in that：Described is fire-retardant
Polyacrylic plastics for build, advertisement, traffic, medicine, civil goods, commercial Application and illumination application, the industry should
For：Instrument surface plate and protecting cover, the illumination are applied to：Fluorescent lamp, pendent lamp, street lamp cover.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711155728.1A CN108102022A (en) | 2017-11-20 | 2017-11-20 | A kind of polypropylene flame redardant acids plastics and preparation method and application |
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| CN201711155728.1A CN108102022A (en) | 2017-11-20 | 2017-11-20 | A kind of polypropylene flame redardant acids plastics and preparation method and application |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113881178A (en) * | 2021-09-28 | 2022-01-04 | 江苏金发科技新材料有限公司 | Weather-resistant flame-retardant polymethyl methacrylate composite material and preparation method and application thereof |
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| CN1580029A (en) * | 2003-08-11 | 2005-02-16 | 北京师范大学 | (Methyl) acrylic acid series ion liquid and its preparing method |
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- 2017-11-20 CN CN201711155728.1A patent/CN108102022A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1580029A (en) * | 2003-08-11 | 2005-02-16 | 北京师范大学 | (Methyl) acrylic acid series ion liquid and its preparing method |
Non-Patent Citations (2)
| Title |
|---|
| 中国环境科学学会编: "《中国环境科学学会学术年会论文集 2012 第2卷》", 30 June 2012, 中国农业大学出版社 * |
| 刘英俊等主编: "《塑料填充改性》", 31 May 1998, 中国轻工业出版社 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113881178A (en) * | 2021-09-28 | 2022-01-04 | 江苏金发科技新材料有限公司 | Weather-resistant flame-retardant polymethyl methacrylate composite material and preparation method and application thereof |
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Application publication date: 20180601 |