CN1351086A - Functional polypropylene for special purpose and its preparing process and application - Google Patents

Functional polypropylene for special purpose and its preparing process and application Download PDF

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CN1351086A
CN1351086A CN 00125768 CN00125768A CN1351086A CN 1351086 A CN1351086 A CN 1351086A CN 00125768 CN00125768 CN 00125768 CN 00125768 A CN00125768 A CN 00125768A CN 1351086 A CN1351086 A CN 1351086A
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polypropylene
initiator
weight percent
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butyl
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CN1112387C (en
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郑安呐
管涌
危大福
卢红
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Guilin Xinxianli Antibacterial Material Co.,Ltd.
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SHANGHAI SUJIE SCIENCE & TECHNOLOGY Co Ltd
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Abstract

A functional special polypropylene material is prepared from polypropylene resin, polyamine and guanidine salt polymer, olefine monomer, trigger, and antioxidant through proportional mixing and solution graft or solid-phase graft or fusing graft. It can be used to prepare dyeable, antibacterial and antistatic polypropylene fibres, paintable bumper of car and antibacterial polypropylene plastics.

Description

A kind of functional polypropylene for special purpose and its production and application
The invention belongs to high molecular polymer polymerization and processing technique field, relate to the functional poly propylene resin that obtains behind a kind of polymkeric substance that contains activity double key, amido and guanidine radicals and the polypropylene chemical graft, this functional poly propylene and plain polypropylene are mixed with certain proportion, can prepare dyeing, antibiotic and polypropylene fibre that antistatic property is good, or antimicrobial plastics, or add with certain proportion in the prescription of polypropylene bumper special material, can prepare the bumper of paintable.
Polypropylene fibre is exploitation and suitability for industrialized production a kind of fiber the latest in the synthon, but it is rapid to undergo an unusual development, and the eighties, polypropylene fibre ranked among four row that close fibre greatly.Polypropylene fibre has many attractive characteristics: apparent specific gravity is little, and density is low (to be 0.91g/cm 3, be the lightest in all fibres material), resistance to chemical corrosion is good, abundant raw material, low price.Especially the fine-denier polypropylene fabric has softly warmingly, leads the sweat hydrofuge, and characteristics such as breathable insulation have the laudatory title of " human clothing's conditioner ", are widely used in underwear and sportwear.
But polypropylene fibre also has shortcoming, and wherein outstanding is that dyeability is poor.On the polypropylene molecule without any with dye molecule bonded polar group, as-OH ,-NH 2, CONH-,-COOR etc., and also the degree of crystallinity of polypropylene fibre is very high, and structure is tight, the inner space that lacks, hydrophobicity is comparatively remarkable.Dye molecule can only spread or be penetrated into the unformed area of fiber molecule, and can not enter the crystalline region.Therefore dyestuff commonly used at present, even dispersed dye also almost can not make polypropylene fibre dyeing.
Commercially available polypropylene fabric is painted before employing is spun mostly at present, makes Masterbatch earlier, and with the PP blend, melt-spinning makes coloured fibre again.This method is suitable for the production of one color product in enormous quantities, far can not satisfy the requirement that the consumption market is many-sided and bring in constant renewal on chromatogram.
For solving the colouring problem of polypropylene fibre, can set about from following three aspects usually:
1). adopt conventional dyeing process, select suitable dyestuff for use, by adding dyeing accelerant, dyeing carrier and swelling of fiber agent etc. makes unmodified polypropylene fibre dyeing.The external new dye that had once synthesized some polypropylene fibre, but these dedicated dye price height, chromatogram is incomplete, and dyeing back fastness is poor, does not therefore have actual application value.
2). adopt the method for fibre modification, promptly pass through light, radiation or chemical treatment, connect active group or by modified monomer and propylene monomer copolymerization at polymer surfaces, in polymkeric substance, introduce polar group, or introduce group with space steric effect, and reduce the compound with regular structure degree of PP, make fibrous texture loose.But surface treatment cost costliness, and dyefastness is not high; Copolymerization then has certain difficulty, and ziegler natta catalyst can be by the polar material passivation.Have not yet to see the report of this type of skilled industryization.For polypropylene, graft copolymerization is more vigourous than other copolymerization process.
3). the additive that ability to accept is arranged is admixed to spinning in the polymer melt.All do not attempt on the former fiber of this method, but this method of polypropylene fibre had been shown its vitality.
Patent US2984634, US3248378, US3310548 have introduced the organic acid salt or the inorganic salt that add nickel, aluminium and have dyed additive as helping of polypropylene fibre.Available mordanting dye dyeing, colourability is good, colour fastness, color is more extensive.The manufacture method of metal-modified dyeable polypropylene is very simple, but metallic compound costs an arm and a leg, and dyestuff has bigger selectivity again, specificity, and cost is very high.Thereby having influenced further developing of this method, the bibliographical information amount of this respect significantly reduces in recent years.
Among the patent JP04/209824, use strong polar polymkeric substance such as polyester, polymeric amide etc. are as additive.Among patent US5017658, the US5550192, adopt polyvinylpyridine, vinylpyridine and styrol copolymer, tetramethylpiperidinol ester copolymer etc. is an additive.Made the dispersion dyeable polypropylene.The advantage of disperse dye dyeable improved polypropylene is that the dispersed dye source is wide, and suitability is strong.But the colour fastness of this fiber is relatively poor, not organic solvent-resistant.Disperse dyeable polypropylene to be mainly used in and weave carpet, then improper to the textiles of need dry-cleaning
Among patent GP.Offen1903368, GP.Offen2060330, the US3639528, adopting alkaline copolyamide is additive; Among patent JP70/33825, the JP71/20363, adopting ethene-aminoalkyl acrylate or aminoalkyl acrylamide analog copolymer is additive; Among patent JP08/199071, the JP10/01823, adopting ethene-epihydric alcohol acrylic ester multipolymer aminate is additive, produces acid-dyeable polypropylene fibre.Matching stain is of a great variety, and chromatogram is complete, and lovely luster is cheap.Acid-dyeable polypropylene fibre can with nylon, wool blended, the coloration of textile materials good evenness.The also available in some cases disperse dyeing of this polypropylene fibre.Adding the method that the polymkeric substance that can accept matching stain is produced dyeable polypropylene in acrylic resin, is that Recent study is more, one of rising method.
Among patent JP69/05087, the JP79/40255, adopting alkyl vinyl ether-maleic anhydride segmented copolymer, unsaturated carboxylic acid sultone is additive preparation cation-dyeable polypropylene fibre.But examples of such additives is mostly soluble in water, poor heat stability, and spinning temperature easily decomposes down, and they also can react with all kinds of stablizers in the polypropylene, cause fiber degradation, the spinning property variation.In addition, the dyefastness of cation-dyeable polypropylene fibre is also relatively poor.
In the method for modifying of above-mentioned polypropylene fibre, the superpolymer blending method is with its undeniable economy, accessibility and enjoy attention.
One of the object of the invention is to improve the defective in the above-mentioned technology, discloses a kind of employing and contains the functional poly propylene resin that obtains behind the polymkeric substance of activity double key, amido and guanidine radicals and the polypropylene chemical graft;
Two of the object of the invention is the preparation method of open above-mentioned functions acrylic resin;
Three of the object of the invention is that open above-mentioned functions acrylic resin in the application of preparation in the polypropylene fibre, mixes this functional poly propylene and plain polypropylene with certain proportion, and spinning can prepare dyeing, antibiotic and polypropylene fibre that antistatic property is good; And preparation paintable polypropylene automotive collision bumper and effective antibiotic polypropylene plastic etc.
The present invention is by adopting the polymkeric substance of polyamine and guanidinesalt, and having guaranteed to can be under the situation of percentage of grafting equally polypropylene fibre provides and more dye seat, and gives its antibiotic and antistatic effect.In addition, functional poly propylene resin of the present invention has very excellent consistency with corresponding acrylic resin, in other words, this reforming system can be understood as fully on the polypropylene segment macromolecular chain of polypropylene fiber and connects amido and guanidino group, and does not have the mixed problem of two kinds of materials.Therefore, both are with the certain proportion co-blended spinning, can obtain that various aspects of performance such as spinning property, dyeability, physical and mechanical properties are good, isostatic polypropylene fibre.
Said functional poly propylene resin has following constitutional features:
Figure A0012576800071
Wherein, the R representative is grafted to polyamine and the guanidine salt polymer on the polypropylene molecular chain.
Said polyamine and guanidine salt polymer, its molecular weight ranges between 000, contain 1-5 activity double key at 300-50, and feature structure is as follows:
Wherein, n=2-10; M=4-200; Y is a negatively charged ion, comprising: Cl -, NO 3 -, HCO 3 -Or H 2PO 4 -X is acyl class or the ester class group that contains 1-5 active unsaturated double-bond, as acryloyl, methacryloyl, maleoyl, fumaryl, clothing health acyl, undecylene acyl, ethyl propenoate, propyl acrylate or methacrylic acid hydroxyl propyl ester etc.; Z is H or X.
Said polyamine and guanidine salt polymer and be prepared as prior art, at Chinese patent, existing detailed report in the application number 00125721.8, the present invention repeats no more.
Said functional poly propylene resin, also claim functionality special-purpose material, acrylic resin by specified quantitative, the polyamine of specific composition and guanidine salt polymer, the olefinic monomer of specified quantitative, the initiator of specified quantitative and the oxidation inhibitor of specified quantitative, the method by solution graft copolymerization, solid phase grafting or fusion-grafting obtains.
Can utilize infared spectrum to measure its percentage of grafting, thereby determine the content of polyamine and guanidine salt polymer in the functional poly propylene.
It is as follows to prepare raw material and consumption that said functional poly propylene resin adopted:
(1) acrylic resin of 60%-95% (weight), its melt flow rate (MFR) is between 4-40g/10min.If polyacrylic melt flow rate (MFR) is less than 4g/10min or greater than 40g/10min, and then the functionality special-purpose material spinning property of gained is poor.
(2) molecular weight ranges of the polyamine of 5%-40% (weight) and guanidine salt polymer is 300-50000.If molecular weight is less than 300, have two kinds of situations so, the one, the amido content of polymkeric substance is very few, and the 2nd, polymkeric substance and poly-the third one is that the amido content of polymkeric substance is very few, the 2nd, polymkeric substance and the decline of polyacrylic percentage of grafting.And both of these case all can make the functional decline of improved polypropylene; Yet, if molecular weight greater than 50000, can cause polymer malt viscosity to increase, crosslinking reaction easily takes place during grafting, cause the spinning property variation of modified polypropene.Therefore, the OK range of polyamine and guanidine salt polymer molecular weight is 300-50,000; Its consumption is 5.0%-40% (weight).If the consumption of polyamine and guanidine salt polymer is less than 5.0% (weight), then the polar group amount of gained functionality special-purpose material is few, can not reach the dyeable modified purpose of polypropylene fibre.And if the consumption of polyamine and guanidine salt polymer on the one hand, can cause the crosslinked of polyolefin resin greater than 40% (weight), reduces the flowability and the spinning property of functionality special-purpose material; On the other hand, can cause in a large number not that grafted polyamine and guanidine salt polymer remain in the acrylic resin matrix, the broken end phenomenon easily take place in the spinning and become objectionable impurities.Moreover the consumption that improves polyamine and guanidine salt polymer also can increase the cost of polypropylene functionality special-purpose material.
(3) olefinic monomer of 0-25.0% (weight) is as vinylbenzene, Vinylstyrene, alpha-methyl styrene etc.The consumption of said olefinic monomer is 0-25.0% (weight).Add olefinic monomer and can improve percentage of grafting, but, reduce the mechanical property of fiber, increase the cost of product simultaneously if consumption greater than 25.0% (weight), can produce the alkene homopolymerization.
(4) initiator of 0.02%-10.0% (weight) is as dicumyl peroxide, benzoyl peroxide, dilauroyl peroxide, ditertiary butyl peroxide, tertbutyl peroxide or tert butyl peroxy benzoate etc.If the consumption of initiator is lower than 0.02% (weight), the number of free radical of generation is too low, and polyamine and guanidine salt polymer percentage of grafting will reduce greatly, influence the dyeability of improved polypropylene.In addition, remaining polyamine and guanidine salt polymer can become objectionable impurities, make the mis-behave of polypropylene fibre.If the consumption of initiator is greater than 10.0% (weight), then the termination reaction between polypropylene macromolecular radical and the initiator free radical is accelerated, and makes percentage of grafting descend; Cause the degraded of polypropylene matrix molecular chain and the generation of crosslinking reaction simultaneously, the spinning property of modified polypropene and the dyeability and the mechanical property of polypropylene fibre are descended simultaneously.Can use one or more initiators wherein to unite use separately.
(5) oxidation inhibitor of 0.02%-10.0% (weight), as 2,6-di-t-butyl-4-ethylphenol, 2,6-di-tert-butyl-4-methy phenol, 2,6-di-t-butyl-alpha, alpha-dimethyl amino-p-cresol, 2,4,6-tri-butyl-phenol, Tyox B, thio-2 acid two (octadecyl ester), thio-2 acid two (14 ester), antioxidant 1010 or antioxidant CA etc.The consumption of said oxidation inhibitor is 0.02%-10.0% (weight).Consumption then can not play the effect that prevents the acrylic resin degraded less than 0.02% (weight).If consumption is greater than 10.0% (weight), number of free radical reduces in the time of can making graft reaction again, can not produce effective grafting.Can use one or more oxidation inhibitor wherein to unite use separately.
(3), the weight percent of (4) and (5) all is as the criterion with the total amount of component (1)-(2).
Usually can obtain polypropylene functionality special-purpose material of the present invention by following three kinds of methods.
(1) solution grafting: the batching according to above illustrating, except that initiator, all join in the xylene solvent, progressively be warming up to 90-125 ℃, all solids is all dissolved, form the solution of 5-15%.After drum nitrogen is got rid of oxygen, divide 3-5 time and progressively add initiator, holding temperature reaction 3-4 hour.After reaction finishes, reaction solution is reduced to room temperature, solid is separated out, after filtration, promptly obtain functionality special-purpose material after the drying;
(2) fusion-grafting method: the batching according to above illustrating progressively joins in single screw extrusion machine or twin screw extruder or the Banbury mixer melting graft reaction under 170-210 ℃ of temperature after high-speed mixing.Reaction times is 1-15 minute.After reaction finishes, product is pulverized, water or acetone extract are removed free diamine and guanidine salt polymer, promptly get functionality special-purpose material after the drying.
(3) solid phase grafting method: according to the batching that above illustrates, at first acrylic resin is ground into the powder more than 40 orders, except that initiator, all join in the high-speed mixer then and mix, join again in the reactor that is equipped with helix agitator, elevated temperature while stirring, reach 90-125 ℃ after, drum nitrogen is got rid of oxygen, divide initiator 3-5 time and progressively add reactor, react after 3-5 hour, reduce to room temperature.Promptly obtain functionality special-purpose material after water or acetone extract, the drying.
Polypropene blended with above-mentioned polypropylene functionalization material and the different trades mark through processing, well dyeed, the polypropylene fibre of antibiotic, antistatic property; The bumper of paintable; Antimicrobial polypropylene plastics products etc.Concrete effect is referring to example.
The present invention will be specifically described by the following example and Comparative Examples hereinafter, adopt following testing method in embodiment and Comparative Examples:
Fibre breakage intensity GB/T 14337-1993
Fibre breakage elongation GB/T 14337-1993
Colour fastness (WASHING COLOR FASTNESS) GB/T 3921-1997
Anti-microbial property vibration bottle method
Static resistance GB1410-89
The mensuration of percentage of grafting is to utilize infared spectrum, measures the peak-to-peak relative intensity of extraction front and back feature, according to langbobier law, can obtain percentage of grafting.Calculation formula is:
Wherein, C 1, C 2Be respectively the content (weight percentage) of extraction front and back polyamine and guanidine salt polymer.
Method was measured below dye uptake adopted: the dyestuff water dissolution, filter, and dilution, it is stand-by to press 0.2g/100ml water wiring solution-forming.Then the dye liquor (joining by 1g fiber/5ml dye solution+95ml water+an amount of PH conditioning agent+an amount of levelling agent) that is mixed with is sucked Dyeing pipe, be placed in the dyeing machinery, when temperature reaches 50 ℃, from the sample fiber, take by weighing fiber 1.5g (being accurate to 0.001g) at random, go into slurry after the garnetting.Behind the 20min temperature is risen to 100 ℃, insulation 40min.Turn off machine then and stop heating.In water-bath, place 30min, take out, naturally cool to room temperature.With wash bottle the fiber flushing is extracted at last.
The mensuration of raffinate optical density(OD): residue dye liquor and washing lotion merge the raffinate that obtains and move in the volumetric flask of 250ml, are diluted to scale.Therefrom draw 5ml with suction pipe again and move in the 100ml volumetric flask, be diluted to scale.Use 721 its optical density(OD) of type spectrophotometric determination then.
The mensuration of dye liquor optical density(OD): the dye liquor of preparation is sucked another Dyeing pipe, be placed in the dyeing machinery and fiber
Painted solution heats together.After the cooling, be drawn onto with suction pipe in the volumetric flask of 250ml, be diluted to quarter
Degree is used 721 its optical density(OD) of type spectrophotometric determination again.
[1] measures the optical density(OD) condition
Cuvette: 300mm;
With the deionized water is blank determination.
[2] calculate dye uptake
Dye uptake=(dye liquor optical density(OD)-raffinate optical density(OD))/dye liquor optical density(OD) * 100%
Embodiment 1
Get polypropylene Y1600 (melt flow rate (MFR) 14g/10min, Shanghai petrochemical industry limited-liability company produces) 100g, the maleic acid ester 20g of polyethyene diamine Guanidinium carbonate, molecular weight is 1000, vinylbenzene 4g, 1010 oxidation inhibitor 0.05g join in the flask of 2000ml, add 1300g dimethylbenzene then, progressively be warming up to 100 ℃.After treating that solid all dissolves, get benzoyl peroxide 1.3g, divide in 4 hours to join in the flask for 5 times, keep 100 ℃ of reactions.After reaction finishes, flask is cooled to room temperature, adds 100g acetone, treat after the stirring that solid separates out fully from solution, promptly obtain functional polypropylene for special purpose after drying.(numbering: 1 #)
Measure by infared spectrum, its percentage of grafting is 70.2%.
Embodiment 2
Get homo-polypropylene 1700 (melt flow rate (MFR) is 15g/10min, and Beijing Yanshan Petrochemical Company produces) 100g, obtain 45 purpose powder after crushed, add in the super mixer then.The methacrylic ester 25g that in mixing tank, adds poly-hexanediamine Guanidinium nitrate again, molecular weight is 6000, Vinylstyrene 7g, 1010 oxidation inhibitor 0.15g, adding 1000ml behind the thorough mixing is equipped with in the reactor of helix agitator, be heated to 110 ℃ while stirring, match in twos after then dicumyl peroxide 1.0g and tertbutyl peroxide 0.3g respectively being divided into 5 parts, divide initiation graftings reaction in 5 input reactors in 3 hours.Use acetone after reaction finishes, to powder extraction 10 hours, obtain functional polypropylene for special purpose after the drying at cable-styled extractor.(numbering: 2 #)
Measure by infared spectrum, its percentage of grafting is 62.6%.
Embodiment 3
(melt flow rate (MFR) is 24g/10min to get polypropylene Y2600, the production of Shanghai petrochemical industry limited-liability company) 2.5 kilograms, the acrylate 630g of polyethyene diamine Guanidinium hydrochloride, molecular weight is 3000, alpha-methyl styrene 130g, 1010 oxidation inhibitor 1.6g, benzoyl peroxide 0.8g, dilauroyl peroxide 4g all puts into high-speed mixer mixing 1min, discharging.Compound is put into φ 35 single screw extrusion machines, extrude with the speed responsing of 50rpm.Extruding product pulverizes after 10 hours after drying of acetone extract obtain functional polypropylene for special purpose.(numbering: 3 #)
Measure by infared spectrum, its percentage of grafting is 73.2%.Below be prepared polyolefin functionality special-purpose material implementation result example:
Embodiment 4
The polypropylene of producing with Shanghai petro-chemical corporation 1600 is a comparison, and specimen coding is A.16002.3 kilograms of polypropylene, 1 #Functionality special-purpose material 200g, 1010 oxidation inhibitor 13g, in φ 35 twin screw extruders, 180 ℃ of following mixing granulators, spinning obtains improved polypropylene, is numbered A '.Both mechanical properties and dyeing behavior are as follows:
Surface resistivity sample tensile strength extension at break dye uptake % soaping fastness dye uptake % soaping fastness bacteriostasis rate % leads (relatively
N/dtex % EX-SF DISPERSE BLUE EX-SF 300 acid blue (golden Portugal humidity
The grape coccus) A 3.8 112 6.1----0--------1.2 * 10 70%) 16A ' 3.2 148 82 4 86 4-5 90 1.6 * 10 11
Embodiment 5 is with the polypropylene 1700 of Beijing Yanshan Petrochemical Company #Be comparison, be numbered B.Get 1700 #2.3 kilogram, 2 #Functionality special-purpose material 200g, 1010 oxidation inhibitor 13g, in φ 35 twin screw extruders, 175 ℃ of following mixing granulators, spinning obtains improved polypropylene, is numbered B '.Both mechanics and dyeing behavior are as follows:
Surface resistivity
(golden grape rate (relatively for bacteriostasis rate % sample tensile strength extension at break dye uptake % soaping fastness dye uptake % soaping fastness
N/dtex % EX-SF DISPERSE BLUE EX-SF 300 acid blue coccus) humidity 70%) B 3.5 122 5.2----0--------1.5 * 10 16B ' 3.4 163 85 4 90 4-5 87 5.2 * 10 10
Embodiment 6
The polypropylene (trade mark: be comparison 2600), be numbered C with Shanghai petrochemical industry limited-liability company.Get 2,600 2.35 kilograms of polypropylene, 3 #Functionality special-purpose material 150g, 1010 oxidation inhibitor 13g, in φ 35 twin screw extruders, 185 ℃ of following mixing granulators, spinning obtains improved polypropylene, is numbered C ".Both mechanical properties and dyeing behavior are as follows:
Surface resistivity
Bacteriostasis rate % sample tensile strength extension at break dye uptake % soaping fastness dye uptake % soaping fastness rate (relatively
(golden Portugal humidity
N/dtex % EX-SF DISPERSE BLUE EX-SF 300 acid blue grape coccus) C 3.4 127 8.1----0--------1.9 * 10 70%) 16C 2.8 166 86 4 93 4-5 95 4.7 * 10 10
From the result of embodiment 4,5,6 as can be seen, pure polypropylene fibre almost is difficult to dyeing, and dye uptake can be ignored, and does not have anti-microbial property, and surface resistivity is very big; And improved polypropylene has good dye uptake to matching stain, dispersed dye, reaches more than 80%, and good soaping fastness is arranged simultaneously, surface resistivity 5-6 the order of magnitude that descended, show that its antistatic property strengthens greatly, and the adding of properties-correcting agent, give polypropylene fibre with good anti-microbial property.The intensity of fiber descends to some extent, and extension at break increases to some extent, but generally speaking, changes not quite, does not influence the use properties of fiber.
Embodiment 7
The polypropylene bumper special material of existing two kinds of different ingredients, prescription E (polypropylene, rubber, auxiliary agent), prescription E ' is except adding 10%2 #Beyond the functional poly propylene, all the other components are identical with prescription.With these two kinds of prescriptions respectively through the twin screw blend extrude → granulation → oven dry → injection moulding machine makes sheet material → surface cleaning → tensio-active agent processing → drying → japanning → oven dry, carries out the test of mechanical property and paint film adhesion then.The result is as follows: sample tensile strength flexural strength modulus in flexure shock strength paint film adhesion paint film adhesion (Nm -
MPa MPa GPa J/m (Nm -1) 1) disconnected 168 102E ' 18.33 19 0.628 of 48 hours E 18.00 19 0.588 of immersion disconnected 619 432
As can be seen, the functionalization material 2 #Adding, do not influence the mechanical property of material, and paint film adhesion improved greatly, can prepare the paintable bumper.
Embodiment 8
The polypropylene (trade mark: be comparison 1700), be numbered F with Shanghai petrochemical industry limited-liability company.Get 1,700 2.6 kilograms of polypropylene, 3# functionality special-purpose material 200g, 1010 oxidation inhibitor 13g, in φ 35 twin screw extruders, 185 ℃ of following mixing granulators are numbered F '.These two kinds of polypropylene material are made sheet material through injection moulding machine, carry out performance test then.The result is as follows: sample tensile strength flexural strength modulus in flexure shock strength surface resistivity (phase
Bacteriostasis rate %
MPa MPa GPa J/m is to humidity 70%) (gold-coloured staphylococci) F 17.00 18 0.568 48 2.9 * 10 16----F 16.83 18 0.562 47 6.7 * 10 1092 annotate: bacteriostasis rate is herein measured by GB15979-1995.
As can be seen, the functionalization material 3 #Adding, do not influence the mechanical property of material, and can make the surface resistivity of material reduce by 5 orders of magnitude, have stronger germ resistance simultaneously, can be used as antibiotic plastic and use.

Claims (10)

1. functional polypropylene for special purpose is characterized in that having following structure:
Figure A0012576800021
Wherein, the R representative is grafted to polyamine and the guanidine salt polymer on the polypropylene molecular chain;
Said polyamine and guanidine salt polymer, its molecular weight ranges between 000, contain 1-5 activity double key at 300-50, and feature structure is as follows:
Wherein, n=2-10, m=4-200;
Y is Cl -, NO 3 -, HCO 3 -Or H 2PO 4 -In a kind of;
X is the C that contains 1-5 active unsaturated double-bond 1-C 20Acyl class or ester class group;
Z is H or X.
2. functional polypropylene for special purpose as claimed in claim 1 is characterized in that:
Said X is a kind of in acryloyl, methacryloyl, maleoyl, fumaryl, clothing health acyl, undecylene acyl, ethyl propenoate, propyl acrylate or the methacrylic acid hydroxyl propyl ester.
3. the preparation method of functional polypropylene for special purpose as claimed in claim 1 or 2, it is characterized in that, be to adopt the method for solution, fusion or solid phase grafting to be prepared, the raw material and the consumption that adopt are as follows: (1) weight percent is the acrylic resin of 60%-95%, and its melt flow rate (MFR) is between 4-40g/10min; (2) weight percent is polyamine and the guanidine salt polymer of 5%-40%; (3) weight percent is the olefinic monomer of 0-25.0%; (4) weight percent is the initiator of 0.02%-10.0%; (5) weight percent is the oxidation inhibitor of 0.02%-10.0%; The weight percent of component (3), (4) and (5) is a benchmark with the total amount of component (1)-(2) all.
4. preparation method as claimed in claim 3, it is characterized in that: described oxidation inhibitor is 2,6-di-t-butyl-4-ethylphenol, 2,6-di-tert-butyl-4-methy phenol, 2,6-di-t-butyl-alpha, alpha-dimethyl amino-p-cresol, 2,4, one or more in 6-tri-butyl-phenol, Tyox B, thio-2 acid two (octadecyl ester), thio-2 acid two (14 ester), antioxidant 1010 or the antioxidant CA;
Said initiator is one or more in dicumyl peroxide, benzoyl peroxide, dilauroyl peroxide, ditertiary butyl peroxide, tertbutyl peroxide, the tert butyl peroxy benzoate:
Said olefinic monomer is a kind of in vinylbenzene, Vinylstyrene, the alpha-methyl styrene.
5. preparation method as claimed in claim 3 is characterized in that said solution grafting comprises the steps:
Various materials except that initiator are joined in the xylene solvent, be warming up to 90-125 ℃, add initiator, reacted 3-4 hour, collect said functionality special-purpose material from reaction product.
6. preparation method as claimed in claim 3 is characterized in that, said fusion-grafting method comprises the steps:
With joining after the various mixing of materials in single screw extrusion machine or twin screw extruder or the Banbury mixer, under 170-210 ℃ of temperature, carry out melting graft reaction, the reaction times is 1-15 minute, collecting function PP Pipe Compound from reaction product.
7. preparation method as claimed in claim 3 is characterized in that, said solid phase grafting method comprises the steps:
At first acrylic resin is ground into the powder more than 40 orders, various mixing of materials except that initiator are even, in stirred autoclave, warming while stirring, during to 90-125 ℃, be the initiator adding reactor of 0.2%-5.0%, react after 3-5 hour weight percent, finish reaction, collecting function PP Pipe Compound from reaction product.
8. as the application of claims 1 or 2 described functional polypropylene for special purpose, it is characterized in that, can be used as polypropylene fibre properties-correcting agent, with certain proportion and fibrous polypropylene blend, spinning can prepare good, the antibiotic and anlistatig polypropylene fibre of dyeing behavior.
9. as the application of claims 1 or 2 described functional polypropylene for special purpose, it is characterized in that, can be used as the properties-correcting agent of polypropylene automotive bumper special material, join in the polypropylene bumper special material, can prepare the bumper of paintable with certain proportion.
10. as the application of claims 1 or 2 described polypropylene functionality special-purpose materials, it is characterized in that, can be used as antibacterial modified dose, join in the acrylic resin, can prepare the polypropylene plastics products of antimicrobial form with certain proportion.
CN 00125768 2000-10-26 2000-10-26 Functional polypropylene for special purpose and its preparing process and application Expired - Lifetime CN1112387C (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100443519C (en) * 2006-09-06 2008-12-17 江苏创源科技新材料有限公司 Fusion graft process for modified polypropylene/acrylic acid polyester ether
CN101210062B (en) * 2006-12-27 2010-05-19 华东理工大学 Antibiotic polymer material
CN101812160B (en) * 2009-02-23 2012-05-30 上海富元塑胶科技有限公司 Polyolefin functional master batch, preparation method thereof and use thereof
CN102847195A (en) * 2011-06-29 2013-01-02 李春洁 Manufacturing method of medical anti-virus gauze or bandage
CN103627126A (en) * 2012-08-20 2014-03-12 叶向明 Antibiosis master batch and application of antibiosis master batch in blended yarn, blended fabric and woven fabric
CN105308021A (en) * 2013-06-17 2016-02-03 3M创新有限公司 Process for preparing guanidino-functional monomers
CN105733093A (en) * 2016-03-28 2016-07-06 中国石油化工股份有限公司 Special high-flowability resin for polypropylene fibers and preparation method thereof
CN112358571A (en) * 2020-11-10 2021-02-12 熊烈祥 Modified PP (polypropylene) additive and preparation method thereof
CN112812445A (en) * 2021-01-18 2021-05-18 侯会春 Stone-plastic box modified master batch, preparation method thereof and obtained product
CN113150439A (en) * 2021-04-09 2021-07-23 佛山市顺德区美的饮水机制造有限公司 Plastic composition and application thereof, plastic part and preparation method and application thereof

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100443519C (en) * 2006-09-06 2008-12-17 江苏创源科技新材料有限公司 Fusion graft process for modified polypropylene/acrylic acid polyester ether
CN101210062B (en) * 2006-12-27 2010-05-19 华东理工大学 Antibiotic polymer material
CN101812160B (en) * 2009-02-23 2012-05-30 上海富元塑胶科技有限公司 Polyolefin functional master batch, preparation method thereof and use thereof
CN102847195B (en) * 2011-06-29 2016-02-24 李春洁 The manufacture method of medical antiviral gauze or binder
CN102847195A (en) * 2011-06-29 2013-01-02 李春洁 Manufacturing method of medical anti-virus gauze or bandage
CN103627126A (en) * 2012-08-20 2014-03-12 叶向明 Antibiosis master batch and application of antibiosis master batch in blended yarn, blended fabric and woven fabric
CN105308021A (en) * 2013-06-17 2016-02-03 3M创新有限公司 Process for preparing guanidino-functional monomers
CN105308021B (en) * 2013-06-17 2018-05-04 3M创新有限公司 It is used to prepare the method for guanidine radicals functionalized monomer
CN105733093A (en) * 2016-03-28 2016-07-06 中国石油化工股份有限公司 Special high-flowability resin for polypropylene fibers and preparation method thereof
CN105733093B (en) * 2016-03-28 2018-12-04 中国石油化工股份有限公司 A kind of high-flowability polypropylene fiber is resin dedicated and preparation method thereof
CN112358571A (en) * 2020-11-10 2021-02-12 熊烈祥 Modified PP (polypropylene) additive and preparation method thereof
CN112812445A (en) * 2021-01-18 2021-05-18 侯会春 Stone-plastic box modified master batch, preparation method thereof and obtained product
CN113150439A (en) * 2021-04-09 2021-07-23 佛山市顺德区美的饮水机制造有限公司 Plastic composition and application thereof, plastic part and preparation method and application thereof

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