CN106977668A - A kind of new method for preparing polar monomer modified polyolefin g polystyrene novel graft thing - Google Patents
A kind of new method for preparing polar monomer modified polyolefin g polystyrene novel graft thing Download PDFInfo
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- CN106977668A CN106977668A CN201710230899.XA CN201710230899A CN106977668A CN 106977668 A CN106977668 A CN 106977668A CN 201710230899 A CN201710230899 A CN 201710230899A CN 106977668 A CN106977668 A CN 106977668A
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- polar monomer
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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
- C08F285/00—Macromolecular compounds obtained by polymerising monomers on to preformed graft polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
- C08G81/02—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers at least one of the polymers being obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C08G81/021—Block or graft polymers containing only sequences of polymers of C08C or C08F
Abstract
The present invention provides a kind of new method for preparing polar monomer modified polyolefin g polystyrene novel graft thing, belongs to polymer science field.Invention is main to include three steps:1) preparation of polyolefin g polystyrene increase-volume masterbatch:At optimum conditions, polyolefin/polystyrene increase-volume masterbatch of high content polyolefin g polystyrene is prepared using Friedel-Crafts alkylated reactions;2) pure polyolefin g polystyrene graft things are isolated by solvent extraction;3) by polyolefin g polystyrene grafts thing and polar monomer, help grafting agent, initiator to mix, a locking equipment and under the conditions of reaction prepare polar monomer modified polyolefin g polystyrene novel graft thing.Gained novel graft thing is in multipolymer capacity increasing modifying and mixes and has higher application value in terms of technics of reclaim of plastic waste.
Description
Technical field
The invention belongs to Reactive polymer processing field, it is related to a kind of preparation method of novel graft thing.Refer in particular to profit
Fusion-grafting technology is used, polar monomer modified polyolefin (PO)-g- polystyrene (PS) graft is prepared.
Background technology
The functionalization of polymer is the emphasis of this research and development always in decades, particularly polar monomer modified polyolefin
Product has a wide range of applications in terms of blending increase-volume, filling enhancing, modified engineered plastic, bonding composite, carries significantly
The high wetting of polyolefin, bonding, print and paintability.In recent years, people constantly explore new graft process, new grafting
Monomer, has applied for numerous patents.However, polar monomer modified polyolefin prepared by the above method, its application is restricted,
Particularly when reclaiming the waste and old miscellaneous plastics such as polyolefin, polystyrene and engineering plastics, its compatibilization effect is restricted.If
Polar monomer modified PO-g-PS grafts can be prepared, then for increase-volume above-mentioned ternary objectionable intermingling blend or useless for mixing
The recovery of old plastics is significant.The present invention carries out polyolefin (PO) with polystyrene (PS) under proper condition
Friedel-Crafts alkylated reactions, then extract reaction product, isolate unreacted PO and PS, finally will be pure
PO-g-PS and polar monomer are mixed according to proper proportion, by blending equipment, are reacted and are prepared under certain temperature and rotating speed
Polar monomer modified PO-g-PS grafts.
The content of the invention
The present invention provides a kind of polar monomer modified polyolefin (PO)-g- polystyrene (PS) graft new method, and this connects
Branch thing is blended increase-volume for the ternary objectionable intermingling such as polyolefin, polystyrene, engineering plastics polymer and mixes waste or used plastics
It is significant in terms of recycling.Present invention incorporates the Friedel-Crafts alkyl between polyolefin and polystyrene
Changing reaction and the reaction of two kinds of polar monomer graft polyolefin, prepare novel graft thing ----polar monomer modified PO-g-PS connects
Branch thing.
The present invention provides the new method that one kind prepares polar monomer modified polyolefin (PO)-g- polystyrene (PS), mainly
Include three steps:
1) preparation of PO/PS increase-volumes masterbatch:
In banbury (extruder, mill), add PO, PS mixture, PO can be HDPE, LDPE, LLDPE,
EPDM and POE etc., consumption is the 30~70% of PO, PS hybrid resin gross mass.Preferably 40~60%.Lewis acid catalyst
For AlCl3、AlI3、AlBr3、SbCl4、FeCl3、SnCl4、ZnCl2、InCl3、InBr3、NiCl2, trim,ethylchlorosilane or diformazan
The one or more of base chlorosilane;Consumption is the 0.2~2.0% of hybrid resin gross mass.Optimum reaction condition is temperature:120
℃-150℃;Time:4-10 minutes;30-60 revs/min of rotating speed.
2) pure PO-g-PS grafts are isolated by solvent extraction;
Extracted repeatedly by ethyl acetate, acetone or its mixed solvent, isolate unreacted PS;It is anti-by normal heptane
Multiple extracting, isolates unreacted PO, finally gives pure PO-g-PS grafts
3) polar monomer modified PO-g-PS grafts
By PO-g-PS grafts (or PO/PS increase-volumes masterbatch), polar monomer, grafting agent, initiator etc. are helped, is necessarily being set
The standby reaction with the conditions of prepares polar monomer modified PO-g-PS novel grafts thing (or PO/PS increase-volumes masterbatch).It is wherein graftable
Polar monomer be selected from acrylic acid, methacrylic acid, maleic acid, fumaric acid, itaconic acid, crotonic acid, itaconic anhydride, maleic anhydride,
Substituted maleic anhydride, maleic acid list sodium, Malaysia acid disodium, acrylamide, maleimide, methyl propenoic acid glycidyl
Ester, diethyl fumarate, vinyltrimethoxy silane and VTES, and 1- acryloyl pyrrolidines -2-
Carboxylic acid, 2- acrylamides guanidine-acetic acid, 2- acrylamidos propionic acid and 2- acrylamidos -3 Methylbutanoic acid etc..Consumption is PO-g-
The 5-15% of PS graft weight.
Initiator is cumyl peroxide (DCP), 2,5- dimethyl -2,5- bis(t-butylperoxy) hexanes
(DTBH), the one or more in di-t-butyl peroxide (DBP);Consumption is the 0.5~1.2% of PO-g-PS graft weight.
It is the monomer with least one carbon-carbon double bond to help grafting agent, is chosen in particular from styrene, diallyl phthalate third
Ester, diethylene glycol diacrylate, ethylene glycol dimethacrylate, triethylene-glycol dimethylacrylate, three contractings four
Ethylene glycol dimethacrylate, polyethyleneglycol diacrylate, 1,3-BDO dimethylacrylate, 1,6- hexylene glycols two
Acrylate, tri (propylene glycol) diacrylate, third oxidation neopentylglycol diacrylate, Triallyl isocyanurate,
Trimethylol-propane trimethacrylate, trimethylolpropane trimethacrylate, the propylene of three (2- ethoxys) isocyanuric acid three
Acid esters, pentaerythritol triacrylate, (3) ethoxyquin trimethylolpropane trimethacrylate, (3) third oxidation trimethylolpropanes
Triacrylate, (4) ethoxyquin tetramethylol methane tetraacrylate, (3) third oxidation glycerol triacrylates, pentaerythrite 4 third
One or more of mixtures in olefin(e) acid ester, two-trimethylolpropane tetra-acrylate, double pentaerythritol methacrylate.
Consumption is the 4-10% of PO-g-PS graft weight.
Equipment and condition are:On extruder using measuring pump melt zone inject polar monomer, help grafting agent, initiator
Mixture, control mixed material adds speed, prepares polar monomer modified PO-g-PS grafts;Or PO-g-PS grafts,
Monomer, help grafting agent, initiator etc. directly mixing extrusion.Extruder is respectively by hopper to die temperature:First temperature section is
110~125 DEG C, second temperature section be 135~150 DEG C, the 3rd temperature section be 160~170 DEG C, the 4th temperature section be 180~185
DEG C, the 5th temperature section be 185~190 DEG C, die temperature be 140~155 DEG C, the screw speed of the extruder is 40~80
Rev/min.Also PO-g-PS can be dissolved in a kettle., polar monomer, initiator is added in its solution, grafting agent is helped,
80-160 DEG C is reacted 1-2 hours.
Embodiment
The LDPE being previously mentioned in following instance is the low density polyethylene (LDPE) that the trade mark that oil of SPC is produced is N220, and MFR is
2.2g/10min (190 DEG C, 2.16Kg);HDPE be Yangtze petrochemical iy produced the trade mark be 5000S high density polyethylene (HDPE), MFR is
0.8~1.3g/10min (190 DEG C, 2.16Kg);LLDPE be Yangtze petrochemical iy produced the trade mark be 7042 the poly- second of linear, low density
Alkene, MFR is 1.7~2.3g/10min (190 DEG C, 2.16Kg);EPDM is the ternary second that the trade mark that Tao Shi Du Ponts produce is 3720P
Third rubber, propylene content is 30wt%;POE is the pungent dilute copolymer of ethene that the trade mark that Tao Shi Du Ponts produce is 8003, and MFR is
1g/10min (190 DEG C, 2.16Kg);PS is the polystyrene that the trade mark that Jiangsu Leiden is produced is GPPS525, and MFR is 7g/
10min (210 DEG C, 2.16Kg);AlCl3Sold for Lianyun Harbour Miao Dong chemical industry, purity is more than 99%;FeCl3Sub-ization is moved for Nanjing
Company is sold, purity more than 99%;DCP, DTBH produce for Shanghai Qin Feng Chemical Co., Ltd.s, and purity is more than 99%;MAH
Produced for traditional Chinese medicines chemical groups Co., Ltd, purity is more than 99%;GMA produces for Jiangxi Rui Xiang Chemical Co., Ltd.s, purity
For more than 99%;DAP produces for Shouguang Nuomeng Chemical Co., Ltd., and purity is more than 95%;St, MAA, AA, ITA insult for Shanghai
Peak Chemical Co., Ltd. produces, and purity is more than 99%.
Example one
By 700gLDPE, 300gPS, 3gAlCl3Put into banbury that banburying 6min obtains LDPE/PS (70/ at 140 DEG C
30) masterbatch is grafted, grafting masterbatch is extracted repeatedly with normal heptane, ethyl acetate respectively, pure LDPE-g-PS is obtained.
The LDPE-g-PS input extruders that 300g is pure are taken, 20g maleic anhydrides (MAH), 1.5g peroxidating two is accurately weighed
Isopropylbenzene (DCP), 20g styrene (St) are made with measuring pump is injected after acetone solution in extrusion melt zone injection extruder extrusion
Grain obtains (LDPE-g-PS)-g-MAH, and extruder is respectively by hopper to die temperature during granulation:First temperature section be 120 DEG C,
Second temperature section is 150 DEG C, the 3rd temperature section is 170 DEG C, the 4th temperature section is 185 DEG C, the 5th temperature section is 190 DEG C, mouth mold
Temperature is 150 DEG C, and the screw speed of the extruder is 60 revs/min.
Example two
By 500gLDPE, 500gPS, 3gAlCl3Put into banbury that banburying 6min obtains LDPE/PS (50/ at 140 DEG C
50) masterbatch is grafted, grafting masterbatch is extracted repeatedly with normal heptane, ethyl acetate respectively, pure LDPE-g-PS is obtained.
The LDPE-g-PS input extruders that 300g is pure are taken, 30g maleic anhydrides (MAH), 2g peroxidating two are accurately weighed different
Propyl benzene (DCP), 30g styrene (St) after acetone solution with measuring pump is injected, in extrusion melt zone injection extruder extruding pelletization
(LDPE-g-PS)-g-MAH is obtained, extruder is respectively by hopper to die temperature during granulation:First temperature section is 120 DEG C, the
Two temperature sections are 150 DEG C, the 3rd temperature section is 170 DEG C, the 4th temperature section is 185 DEG C, the 5th temperature section is 190 DEG C, mouth mold temperature
Spend for 150 DEG C, the screw speed of the extruder is 60 revs/min.
Example three
By 500gLLDPE, 500gPS, 3gFeCl3Put into banbury that banburying 6min obtains LLDPE/PS at 140 DEG C
(50/50) masterbatch is grafted, grafting masterbatch is extracted repeatedly with normal heptane, ethyl acetate respectively, pure LLDPE-g-PS is obtained.
The LLDPE-g-PS input extruders that 300g is pure are taken, 20g acrylic acid (AA), 1.5g peroxidating two are accurately weighed different
Propyl benzene (DCP), 20g styrene (St) after acetone solution with measuring pump is injected, in extrusion melt zone injection extruder extruding pelletization
(LLDPE-g-PS)-g-AA is obtained, extruder is respectively by hopper to die temperature during granulation:First temperature section is 120 DEG C, the
Two temperature sections are 150 DEG C, the 3rd temperature section is 170 DEG C, the 4th temperature section is 185 DEG C, the 5th temperature section is 190 DEG C, mouth mold temperature
Spend for 150 DEG C, the screw speed of the extruder is 60 revs/min.
Example four
By 500gHDPE, 500gPS, 3gAlCl3Put into banbury that banburying 6min obtains LDPE/PS (50/ at 120 DEG C
50) masterbatch is grafted, grafting masterbatch is extracted repeatedly with normal heptane, ethyl acetate respectively, pure HDPE-g-PS is obtained.
The HDPE-g-PS input extruders that 300g is pure are taken, 30g maleic anhydrides (MAH), 2g peroxidating two are accurately weighed different
Propyl benzene (DCP), 30g styrene (St) after acetone solution with measuring pump is injected, in extrusion melt zone injection extruder extruding pelletization
(HDPE-g-PS)-g-MAH is obtained, extruder is respectively by hopper to die temperature during granulation:First temperature section is 120 DEG C, the
Two temperature sections are 150 DEG C, the 3rd temperature section is 170 DEG C, the 4th temperature section is 185 DEG C, the 5th temperature section is 190 DEG C, mouth mold temperature
Spend for 150 DEG C, the screw speed of the extruder is 60 revs/min.
Example five
By 500gLLDPE, 500gPS, 3gAlCl3Put into banbury that banburying 6min obtains LLDPE/PS at 140 DEG C
(50/50) masterbatch is grafted, grafting masterbatch is extracted repeatedly with normal heptane, ethyl acetate respectively, pure LLDPE-g-PS is obtained.
The LLDPE-g-PS input extruders that 300g is pure are taken, 30g GMAs are accurately weighed
(GMA), 2.5g cumyl peroxides (DCP), 30g styrene (St) after acetone solution with measuring pump is injected, in extrusion melting
Section injection extruder extruding pelletization obtains (LLDPE-g-PS)-g-GMA, and extruder is distinguished by hopper to die temperature during granulation
For:First temperature section is 120 DEG C, second temperature section is 150 DEG C, the 3rd temperature section is 170 DEG C, the 4th temperature section is 185 DEG C, the
Five temperature sections are 190 DEG C, die temperature is 150 DEG C, and the screw speed of the extruder is 60 revs/min.
Example six
By 500gPOE, 500gPS, 3gAlCl3Put into banbury that banburying 6min obtains POE/PS (50/ at 140 DEG C
50) masterbatch is grafted, grafting masterbatch is extracted repeatedly with normal heptane, ethyl acetate respectively, pure POE-g-PS is obtained.
The POE-g-PS input extruders that 300g is pure are taken, 30g methacrylic acids (MAA), 1.5g2,5- bis- is accurately weighed
Methyl -2,5- bis(t-butylperoxy) hexane (DTBH), 30g styrene (St) are being squeezed with measuring pump is injected after acetone solution
Go out melt zone injection extruder extruding pelletization and obtain (POE-g-PS)-g-MAA, extruder is by hopper to die temperature point during granulation
It is not:First temperature section is 120 DEG C, second temperature section is 150 DEG C, the 3rd temperature section is 170 DEG C, the 4th temperature section is 185 DEG C,
5th temperature section is 190 DEG C, die temperature is 150 DEG C, and the screw speed of the extruder is 60 revs/min.
Example seven
By 500gLDPE, 500gPS, 3gAlCl3Put into banbury that banburying 6min obtains LDPE/PS (50/ at 140 DEG C
50) masterbatch is grafted, grafting masterbatch is extracted repeatedly with normal heptane, ethyl acetate respectively, pure LDPE-g-PS is obtained.
Take 300g it is pure LDPE-g-PS input extruder, accurately weigh 30g GMAs (GMA),
2g cumyl peroxides (DCP), 30g diallyl phthalates (DAP) after acetone solution with measuring pump is injected, in extrusion
Melt zone injection extruder extruding pelletization obtains (LDPE-g-PS)-g-GMA, and extruder is by hopper to die temperature point during granulation
It is not:First temperature section is 120 DEG C, second temperature section is 150 DEG C, the 3rd temperature section is 170 DEG C, the 4th temperature section is 185 DEG C,
5th temperature section is 190 DEG C, die temperature is 150 DEG C, and the screw speed of the extruder is 60 revs/min.
Example eight
By 500gEPDM, 500gPS, 3gAlCl3Put into banbury that banburying 6min obtains EPDM/PS (50/ at 140 DEG C
50) masterbatch is grafted, grafting masterbatch is extracted repeatedly with normal heptane, ethyl acetate respectively, pure EPDM-g-PS is obtained.
Take 100gEPDM-g-PS to put into after the excessive xylene soluble of reactor, add 10g maleic anhydrides (MAH), 0.5g
Dibenzoyl peroxide (BPO), 10g styrene (St), reaction 1.5h obtains (EPDM-g-PS)-g-MAH at 80 DEG C
Example nine
By 500gLDPE, 500gPS, 3gAlCl3Banburying 6min at 140 DEG C is put into banbury, LDPE/PS is obtained
(50/50) it is grafted masterbatch.
The LDPE-g-PS input extruders that 300g is pure are taken, 40g itaconic acids (ITA), 2.5g peroxidating two are accurately weighed different
Propyl benzene (DCP), 40g styrene (St) after acetone solution with measuring pump is injected, in extrusion melt zone injection extruder extruding pelletization
Obtain acid anhydridesization grafting masterbatch.Extruder is respectively by hopper to die temperature during granulation:First temperature section be 120 DEG C, second
Temperature section is 150 DEG C, the 3rd temperature section is 170 DEG C, the 4th temperature section is 185 DEG C, the 5th temperature section is 190 DEG C, die temperature
For 150 DEG C, the screw speed of the extruder is 60 revs/min.Obtained acid anhydridesization grafting masterbatch uses normal heptane, acetic acid second respectively
Ester, acetone are extracted repeatedly, obtain pure (LDPE-g-PS)-g-ITA.
Subordinate list 1
PS grafting rate refers to that the PS mass in grafting accounts for the percentage of PS inventorys in table, and the grafting rate of polar monomer is
Refer to the percentage that the polar monomer quality in grafting accounts for modified grafts quality.
A kind of new method for preparing polar monomer modified PO-g-PS grafts provided by the present invention has been carried out in detail above
It is thin to introduce.Specific case used herein is set forth to the principle and embodiment of the present invention, the explanation of above example
It is only intended to help the method and its core concept that understand the present invention.It should be pointed out that for those skilled in the art,
Without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls
Enter the protection domain of the claims in the present invention.
Claims (9)
1. the present invention provides the new method that one kind prepares polar monomer modified polyolefin (PO)-g- polystyrene (PS), main bag
Containing three steps:1) preparation of PO/PS increase-volumes masterbatch:At optimum conditions, Friedel-Crafts alkylated reaction systems are utilized
Standby high content PO-g-PS PO/PS increase-volume masterbatch;2) pure PO-g-PS grafts are isolated by solvent extraction;3) will be pure
Net PO-g-PS grafts, polar monomer, help grafting agent, initiator etc., a locking equipment and under the conditions of reaction prepare polarity list
Modifies polyolefin (PO)-g- polystyrene (PS) novel graft thing.
2. the new method of polar monomer modified PO-g-PS grafts is prepared according to claim 1, it is characterised in that the step
Suddenly in (1), polyolefin (PO) olefin polymer such as including HDPE, LDPE, LLDPE, EPDM and POE, its consumption is PO, PS
The 30~70% of hybrid resin gross mass.Preferably 40~60%.The lewis acid is AlCl3、AlI3、AlBr3、SbCl4、
FeCl3、SnCl4、ZnCl2、InCl3、InBr3、NiCl2, trim,ethylchlorosilane or dimethylchlorosilane one or more;Consumption
For the 0.2~2.0% of hybrid resin gross mass.
3. the new method of polar monomer modified PO-g-PS grafts is prepared according to claim 1, it is characterised in that step
(1) optimum reaction condition refers in mixing apparatus, temperature:120℃-150℃;Time:4-10 minutes;30-60 turns of rotating speed/
Minute.
4. the new method of polar monomer modified PO-g-PS grafts is prepared according to claim 1, it is characterised in that step
(1) the PO/PS increase-volume masterbatch of the high content PO-g-PS, wherein, PS grafting rates reach 38-45%.
5. the new method of polar monomer modified PO-g-PS grafts is prepared according to claim 1, it is characterised in that step
(3) the graftable polar monomer is selected from acrylic acid, methacrylic acid, maleic acid, fumaric acid, itaconic acid, crotonic acid, clothing health
Acid anhydrides, maleic anhydride, the maleic anhydride of substitution, maleic acid list sodium, Malaysia acid disodium, acrylamide, maleimide, methyl-prop
Olefin(e) acid ethylene oxidic ester, diethyl fumarate, vinyltrimethoxy silane and VTES, and 1- propylene
Acyl pyrrolidines -2- carboxylic acids, 2- acrylamides guanidine-acetic acid, 2- acrylamidos propionic acid and 2- acrylamidos -3 Methylbutanoic acid etc..
Consumption is the 5-15% of PO-g-PS graft weight.
6. the new method of polar monomer modified PO-g-PS grafts is prepared according to claim 1, it is characterised in that step
(3) initiator be cumyl peroxide (DCP), 2,5- dimethyl -2,5- bis(t-butylperoxy) hexanes (DTBH),
One or more in di-t-butyl peroxide (DBP);Consumption is the 0.5~1.2% of PO-g-PS graft weight.
7. the new method of polar monomer modified PO-g-PS grafts is prepared according to claim 1, it is characterised in that step
(3) it is described to help grafting agent to be the monomer with least one carbon-carbon double bond, it is chosen in particular from styrene, diallyl phthalate third
Ester, diethylene glycol diacrylate, ethylene glycol dimethacrylate, triethylene-glycol dimethylacrylate, three contractings four
Ethylene glycol dimethacrylate, polyethyleneglycol diacrylate, 1,3-BDO dimethylacrylate, 1,6- hexylene glycols two
Acrylate, tri (propylene glycol) diacrylate, third oxidation neopentylglycol diacrylate, Triallyl isocyanurate,
Trimethylol-propane trimethacrylate, trimethylolpropane trimethacrylate, the propylene of three (2- ethoxys) isocyanuric acid three
Acid esters, pentaerythritol triacrylate, (3) ethoxyquin trimethylolpropane trimethacrylate, (3) third oxidation trimethylolpropanes
Triacrylate, (4) ethoxyquin tetramethylol methane tetraacrylate, (3) third oxidation glycerol triacrylates, pentaerythrite 4 third
One or more of mixtures in olefin(e) acid ester, two-trimethylolpropane tetra-acrylate, double pentaerythritol methacrylate.
Consumption is the 5-15% of PO-g-PS graft weight.
8. the new method of polar monomer modified PO-g-PS grafts is prepared according to claim 1, it is characterised in that step
(3) equipment and condition are:On extruder using measuring pump melt zone inject polar monomer, help grafting agent, initiator
Mixture, control mixed material adds speed, prepares polar monomer modified PO-g-PS grafts;Or PO-g-PS grafts,
Monomer, help grafting agent, initiator etc. directly mixing extrusion prepare.Extruder is respectively by hopper to die temperature:First temperature
Section is 110~125 DEG C, second temperature section is 135~150 DEG C, the 3rd temperature section is 160~170 DEG C, the 4th temperature section is 180
~185 DEG C, the 5th temperature section be 185~190 DEG C, die temperature be 140~155 DEG C, the screw speed of the extruder is 40
~80 revs/min.
9. the new method of polar monomer modified PO-g-PS grafts is prepared according to claim 1, it is characterised in that step
(3) the PO-g-PS grafts, can be pure substance or PO/PS increase-volume masterbatch;Step (3) equipment and bar
Part, in a kettle. can also dissolve PO-g-PS solvents, and polar monomer, initiator are added in its solution, grafting agent is helped,
80-180 DEG C is reacted 1-2 hours, is obtained by separating-purifying.
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Cited By (3)
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CN109251463A (en) * | 2018-08-01 | 2019-01-22 | 江苏益帆高分子材料有限公司 | A kind of HDPE grafting diethylene glycol list acrylic ester copolymer and preparation method thereof |
CN111269486A (en) * | 2020-03-03 | 2020-06-12 | 南京大学 | Regenerated film with waste plastic as raw material and preparation method thereof |
CN115537001A (en) * | 2022-09-27 | 2022-12-30 | 常州大学 | Polylactic acid-based hierarchical porous material and phase separation preparation method thereof |
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WO2000059968A1 (en) * | 1999-04-05 | 2000-10-12 | The Research Foundation Of State University Of New York | Graft, graft-block, block-graft, and star-shaped copolymers and methods of making them |
CN104817772A (en) * | 2015-04-17 | 2015-08-05 | 常州大学 | New waste expanded polystyrene recycling method |
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US3894119A (en) * | 1971-11-16 | 1975-07-08 | British Petroleum Co | Graft copolymers of polystyrene and polyisobutylene |
WO2000059968A1 (en) * | 1999-04-05 | 2000-10-12 | The Research Foundation Of State University Of New York | Graft, graft-block, block-graft, and star-shaped copolymers and methods of making them |
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CN109251463A (en) * | 2018-08-01 | 2019-01-22 | 江苏益帆高分子材料有限公司 | A kind of HDPE grafting diethylene glycol list acrylic ester copolymer and preparation method thereof |
CN111269486A (en) * | 2020-03-03 | 2020-06-12 | 南京大学 | Regenerated film with waste plastic as raw material and preparation method thereof |
CN115537001A (en) * | 2022-09-27 | 2022-12-30 | 常州大学 | Polylactic acid-based hierarchical porous material and phase separation preparation method thereof |
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