CN1827682A - Process for preparing predispersed masterbatch of polyolefin and nano calcium carbonate - Google Patents
Process for preparing predispersed masterbatch of polyolefin and nano calcium carbonate Download PDFInfo
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Abstract
The invention relates to a method for preparation of predispersed master batch of polyolefin /nano-alcium carbonate, which includes: (1) adding nano-alcium carbonate into the kneading machine, afterwards, adding unsaturated acid monomer, long fatty chain monomer, initiating agent, polyethersulfonate, macromolecular coupling agent and polyolefin resin in turn, and kneading for 0.5-5 minutes; (2) discharging mixtures into the twin-screw extruder to perform squeezing, granulating and drying, then obtaining the predispersed master batch of polyolefin /nano-alcium carbonate, with a speed of host machine of twin-screw extruder of 50-600 revolutions per minute, a feeding speed of 20-400 revolutions per minute, a heating-up temperature of 80-220 DEG C; the invention is of few job steps, strong interaction between polyolefin and nano-alcium carbonate and is liable to disperse in the polymeric matrix. The said predispersed master batch of polyolefin /nano-alcium carbonate obtained by this invention can be widely used in enhancing, toughening and modifying various plastics, specially adapted for preparation of polyolefin permeability films and so on.
Description
Technical field
The present invention relates to a kind of preparation method who in polymkeric substance, is easy to homodisperse polyolefin lime carbonate predispersed masterbatch.
Background technology
Because polyolefine abundant raw material, cheap, easy machine-shaping, high comprehensive performance, availablely extrude, processes such as blowing and injection become pipe, plate, film and fiber etc., therefore be a class output maximum, use commodity polymer material very widely.
In recent years, the application of inorganic nanometer powder in polymkeric substance has been subjected to great attention.And wherein nano-calcium carbonate and becomes wherein one of most important kind because of mature preparation process, output height and lower-price characteristic.It is plastics industry that nano-calcium carbonate is used the most sophisticated industry, is mainly used in high-grade plastics, not only can reduce the cost of plastics, can also improve the rheological of plastic matrix, improves its formability; Nano-calcium carbonate has toughened and reinforced effect as plastic filler, improves flexural strength and bending elastic modulus, heat-drawn wire and the dimensional stability etc. of plastics.
Though in the production process of nano-calcium carbonate, handled with regard to carrying out in-situ surface with surface-modifying agent, it is still very big that but nano-calcium carbonate and polyolefinic polarity differ, and these surface-modifying agents generally all are the lipid acid of some long-chains or the phosphoric acid ester of long-chain etc., a little less than the interaction of molecular polyolefin chain, and because the high-specific surface area of nano-calcium carbonate, make it have very big reunion tendency, therefore nano-calcium carbonate can not be given full play to the small size reinforcement effect of nano-sized filler with polyolefinic consistency is not good enough, the dispersiveness is bad.
How further nano-calcium carbonate to be carried out surface treatment, perhaps by adding suitable measures such as dispersion agent, improve between nano-calcium carbonate and the polyolefine consistency, make nano-calcium carbonate disperse at the polyolefine camber, become the important research contents of nano-calcium carbonate.But existing report is most for further to use tensio-active agent (longer chain fatty acid, alkyl, polyether, chain alkyl sulfonic acid and salt thereof etc.) to carry out long-time dry process in high-speed mixer, has shortcomings such as energy consumption height, dust pollution, modified effect be not good.In addition, because the hyperfine structure of nano-calcium carbonate, powder flies upward very serious, and is also bad with the macro-uniformity of the mechanically mixing of plastics such as polyolefine.
Summary of the invention
The objective of the invention is to defective at the prior art existence, a kind of preparation method of polyolefin lime carbonate predispersed masterbatch is provided, employing is carried out in-situ surface graft polymerization modification with long aliphatic chain monomer and unsaturated acid monomer to nano-calcium carbonate in forcing machine, macromolecular coupling agent is as the interface modifier of resin and filler, to improve the interfacial interaction of polyolefine and nano-calcium carbonate simultaneously; And add polyether sulfonate as active dispersion agent, to improve the dispersing uniformity of nano-calcium carbonate in polyolefine.
The preparation of polyolefin lime carbonate predispersed masterbatch of the present invention comprises the steps:
(1) nano-calcium carbonate is joined in the kneader, and then be docile and obedient preface adding unsaturated acid monomer, long aliphatic chain monomer, initiator, polyether sulfonate, macromolecular coupling agent and polyolefin resin, mediated 0.5～5 minute;
(2) compound is discharged in the twin screw extruder, extrude, pelletizing, drying, promptly get polyolefin lime carbonate predispersed masterbatch, the engine speed of twin screw extruder is 50～600 rev/mins, rate of feeding is 20～400 rev/mins, and the Heating temperature of forcing machine is 80～220 ℃;
The parts by weight of each component are as follows:
20～95 parts of nano-calcium carbonates
0.1～10 part of unsaturated acid monomer
0.1～20 part of long aliphatic chain monomer
0.001～5 part of initiator
0.1～10 part of polyether sulfonate
0.1～20 part of macromolecular coupling agent
5～80 parts of polyolefin resines
In order to reach enough strong mixing and anti-refining effect, in order to make unsaturated acid monomer and long aliphatic chain monomer that the sufficiently long residence time be arranged in forcing machine, so that nano-calcium carbonate can be dispersed in the polyolefin resin matrix, simultaneously for fear of using the Banbury mixer that power consumption is high, dust from flying is serious, following process is difficult, the twin screw extruder that step (2) adopts is to be 36: 1～50: 1 twin screw extruder with the length-to-diameter ratio that screw rod is added with 5 sections mixing elementses.
The polyolefin lime carbonate predispersed masterbatch that the present invention is obtained carries out with other plastics that blend is extruded, injection molding becomes standard test specimen, also can curtain coating and be blow molded into film, test mechanical property and thermotolerance characterize the enhancing toughening effect of polyolefin lime carbonate with this.
Said nano-calcium carbonate is meant commodity nano-calcium carbonate powder, and its optimum grain-diameter is the 20-100 nanometer.
Said unsaturated acid monomer can be one or more in vinylformic acid, methacrylic acid, methylene-succinic acid, fumaric acid, toxilic acid, maleic anhydride, monomethyl maleate, ethyl maleate, butyl maleate, single-ethylhexyl maleate, toxilic acid list lauryl alcohol ester, toxilic acid list tetradecyl alcohol ester, toxilic acid list hexadecanol ester or the toxilic acid list stearyl alcohol ester; In preferred vinylformic acid, methacrylic acid, maleic anhydride and the butyl maleate one or more.
Said long aliphatic chain monomer can be vinylformic acid lauryl alcohol ester, vinylformic acid tetradecyl alcohol ester, vinylformic acid hexadecanol ester, vinylformic acid stearyl alcohol ester, methacrylic acid lauryl alcohol ester, methacrylic acid tetradecyl alcohol ester, methacrylic acid hexadecanol ester or methacrylic acid stearyl alcohol ester.
Said initiator can be di-t-butyl peroxide, tertbutyl peroxide, dicumyl peroxide, isopropyl benzene hydroperoxide or dibenzoyl peroxide etc.
Said polyether sulfonate can be the sulfonate of long-chain alkoxy base Soxylat A 25-7 or the sulfonate of the phenolic group Soxylat A 25-7 that chain alkyl replaces, and wherein the long-chain alkoxy base in the sulfonate of long-chain alkoxy base Soxylat A 25-7 is meant one or more in dodecyloxy, tetradecyloxyaniline, n-Hexadecane oxygen base, the octadecane oxygen base.Chain alkyl in the sulfonate of the phenolic group Soxylat A 25-7 that chain alkyl replaces is meant one or more in octyl group, nonyl, dodecyl, tetradecyl, hexadecyl, the octadecyl.
The polymerization degree of Soxylat A 25-7 is 3-500, and sulfonate is meant sodium sulfonate, potassium sulfonate or ammonium sulphonate.
Said polyolefine is meant the high density polyethylene(HDPE) of commodity, new LDPE (film grade), linear low density of polyethylene, unusual new LDPE (film grade), POE (ethylene-octene copolymer), EVA (ethylene-vinyl acetate copolymer), EAA (ethylene-acrylic acid copolymer), EMAA (ethylene-methacrylic acid copolymer), EMA (ethylene-methyl acrylate copolymer), EEA (ethylene-ethyl acrylate copolymer), EBA (ethylene-butyl acrylate copolymer), homo-polypropylene, Co-polypropylene, among the EPDM (ethylene-propylene-diene terpolymers) one or more.
Said macromolecular coupling agent is meant the reactive monomer graft-modified polyolefin of commodity, here the reactive monomer of indication comprises vinylbenzene, vinyl-acetic ester, vinylformic acid, methyl acrylate, ethyl propenoate, butyl acrylate, Isooctyl acrylate monomer, Hydroxyethyl acrylate, methacrylic acid, methyl methacrylate, Jia Jibingxisuanyizhi, butyl methacrylate, Isooctyl methacrylate, hydroxyethyl methylacrylate, glycidyl methacrylate, methylene-succinic acid, fumaric acid, toxilic acid, maleic anhydride, monomethyl maleate, ethyl maleate, butyl maleate, single-ethylhexyl maleate, toxilic acid list lauryl alcohol ester, toxilic acid list tetradecyl alcohol ester, toxilic acid list hexadecanol ester, in the toxilic acid list stearyl alcohol ester one or more, percentage of grafting is 0.5～30%.
The principle of the inventive method is as follows:
At first, in extrusion, the unsaturated acid monomer of interpolation makes it to react with the surface of nano-calcium carbonate as the surface-modifying agent of nano-calcium carbonate:
Wherein, R
1=H-, HOOC-, CH
3OOC-, C
2H
5OOC-, C
4H
9OOC-, C
8H
17OOC-, C
12H
25OOC-, C
14H
29OOC-, C
16H
33OOC-, C
18H
37OOC-, HOOC-CH
2-or CH3-etc., R
2=H-, HOOC-, HOOC-CH
2-, CH
3-or C
2H
5-etc.
This reaction has obtained be nuclear, surface with the nano-calcium carbonate with ionic linkage bonded form combine can carry out homopolymerization and with the unsaturated group of other monomer copolymerization.
Then, on the one hand, the unsaturated group that is combined in the nano-calcium carbonate surface carries out copolymerization with long aliphatic chain monomer:
Wherein, R
3=dodecyl, tetradecyl, hexadecyl or octadecyl etc., long aliphatic chain and polyolefine have good consistency.
On the other hand, the unsaturated group and the polyolefine that are combined in the nano-calcium carbonate surface carry out graft reaction, and the situ-formed graft thing of formation makes the effect that has chemical bond between polyolefine and the nano-calcium carbonate:
The reaction of above-mentioned two aspects all reaches and improves interactional purpose between nano-calcium carbonate and the polyolefine.
Therefore nano-calcium carbonate is made pre-dispersed filler parent granule, just can mix with the polyolefin resin particle easily
The present invention compared with prior art has following advantage:
1, contains long aliphatic chain monomer and unsaturated acid monomer by in nano-calcium carbonate, adding, in extrusion, make these monomers that nano-calcium carbonate is carried out in-situ surface graft polymerization modification, improve nano-calcium carbonate and polyolefinic consistency, overcome shortcomings such as high energy consumption, dust pollution and the modified effect of existing method of modifying be not good;
2, by in nano-calcium carbonate, adding with the interface modifier of homemade macromolecular coupling agent as polyolefin resin carrier and nano-calcium carbonate, improve the interfacial interaction between nano-calcium carbonate and the polyolefine, reached the effect of the nanometer reinforcing effect of giving full play to nano-calcium carbonate;
3, by in nano-calcium carbonate, adding active dispersion agent polyether sulfonate, improved the dispersing uniformity of nano-calcium carbonate in polyolefine, thereby obtained in polymkeric substance, being easy to finely dispersed polyolefin lime carbonate predispersed masterbatch;
4, the present invention does not adopt Banbury mixer, and be to use screw rod through extruding pelletization in the twin screw extruder of particular design, shortcomings such as power consumption height, the dust from flying of having avoided using Banbury mixer to exist is serious, following process difficulty, advantage such as have that the in-situ-surface modifying effect is remarkable, nano-calcium carbonate is scattered and technology is simple.
Specific implementation method
Embodiment 1
In 200 liters of kneaders, press the prescription of table 1 embodiment 1, the nano-calcium carbonate (particle diameter is the 30-65 nanometer) that adds 80 kilograms, under stirring at low speed, be docile and obedient the methacrylic acid of 0.8 kilogram of preface adding, 0.8 the methacrylic acid stearyl alcohol ester of kilogram, 0.008 the di-t-butyl peroxide of kilogram, 1 kilogram n-Hexadecane oxygen base Soxylat A 25-7 sodium sulfonate (polymerization degree of Soxylat A 25-7 is 20), the linear low density of polyethylene (melt flow rate (MFR) is 17g/10min) of 3 kilograms maleic anhydride graft linear low density of polyethylene (percentage of grafting is 1.2 mmoles/100 grams) and 14.4 kilograms, after finishing, high-speed stirring 1 minute obtains mixture.
Mixture is joined in the feeding hopper of twin screw extruder, the length-to-diameter ratio that is added with 5 sections mixing elementses with screw rod be 48: 1, screw diameter be extrude in the twin screw extruder of 75mm, pelletizing, the engine speed of twin screw extruder is 250 rev/mins, 30 rev/mins of rate of feeding, the temperature of each section of forcing machine (comprising totally 6 sections of heads) is 160 ℃, 195 ℃, 195 ℃, 190 ℃, 190 ℃, 180 ℃ successively, and final drying promptly gets polyolefin lime carbonate predispersed masterbatch NCM-1.
Press the application prescription of table 2 embodiment 1, after 40 kilograms of exsiccant polyolefin lime carbonate predispersed masterbatch NCM-1 and 60 kilograms of high density polyethylene(HDPE)s (melt flow rate (MFR) is 0.9g/10min) and 0.2 kilogram of oxidation inhibitor stirred in kneader, extrude in the twin screw extruder blend, granulation, drying, back injection molding in injection moulding machine becomes standard test specimen, and test gained mechanical property and heat-drawn wire are as shown in table 3.
Embodiment 2
The preparation of predispersed masterbatch is with reference to the prescription of table 1 embodiment 2, and preparation process condition is with embodiment 1.Use prescription and press the prescription of table 2 embodiment 2, the mechanical property and the heat-drawn wire of gained NCM-2 filled polypropylene are as shown in table 4.
The preparation prescription of table 1 embodiment 1-embodiment 5 polyolefin lime carbonate predispersed masterbatch (unit: kilogram)
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | |
| Nano-calcium carbonate (particle diameter 30-65nm) | 80 | 82.5 | |||
| Nano-calcium carbonate (particle diameter 60-80nm) | 60 | 80 | 78.6 | ||
| Methacrylic acid | 0.8 | 0.8 | |||
| Vinylformic acid | 1 | ||||
| Maleic anhydride | 0.8 | ||||
| Butyl maleate | 0.8 | ||||
| Methacrylic acid stearyl alcohol ester | 0.8 | 0.8 | 0.8 | 1.6 | |
| Vinylformic acid stearyl alcohol ester | 1.2 | ||||
| Di-t-butyl peroxide | 0.008 | 0.006 | 0.008 | 0.01 | |
| Dicumyl peroxide | 0.012 | ||||
| N-Hexadecane oxygen base Soxylat A 25-7 sodium sulfonate (polymerization degree is 20) | 1 | 0.9 | |||
| N-Hexadecane oxygen base Soxylat A 25-7 sodium sulfonate (polymerization degree is 30) | 1 | 1 | |||
| Nonyl phenol oxygen base Soxylat A 25-7 sodium sulfonate (polymerization degree is 9) | 0.8 | ||||
| Maleic anhydride graft linear low density of polyethylene (percentage of grafting 1.2mmol/100g) | 3 | ||||
| Maleic anhydride graft POE (percentage of grafting 1.2mmol/100g) | 3 | 2 | |||
| Maleic anhydride inoculated polypropylene (percentage of grafting is 0.8mmol/100g) | 3 | ||||
| Glycidyl methacrylate graft linear low density of polyethylene (percentage of grafting is 2.0mmol/100g) | 3 | ||||
| Linear low density of polyethylene (MI=17g/10min) | 14.4 | ||||
| Linear low density of polyethylene (MI=2g/10min) | 8 | ||||
| POE(MI＝2g/10min) | 12 | 8 | |||
| Polypropylene (MI=2.5g/10min) | 34 | ||||
| New LDPE (film grade) (MI=7g/10min) | 14.4 | ||||
| The predispersed masterbatch numbering | NCM-1 | NCM-2 | NCM-3 | NCM-4 | NCM-5 |
The application prescription of table 2 embodiment 1-embodiment 5 polyolefin lime carbonate predispersed masterbatch (unit: kilogram)
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | The Comparative Examples of embodiment 4 | Embodiment 5 | |
| NCM-1 | 40 | |||||
| NCM-2 | 40 | |||||
| NCM-3 | 60 | |||||
| NCM-4 | 25 | |||||
| NCM-5 | 40 | |||||
| High density polyethylene(HDPE) (MI=0.9g/10min) | 60 | |||||
| Polypropylene (MI=17g/10min) | 60 | 40 | ||||
| New LDPE (film grade) (MI=7g/10min) | 62.2 | 67.2 | ||||
| Nylon-6 (intrinsic viscosity 2.8) | 60 | |||||
| Superfine heavy calcium carbonate (fineness is 5000 orders) | 12 | 32 | ||||
| Amido silicon oil (amino content 0.6mmol/100g) | 0.6 | 0.6 | ||||
| Oxidation inhibitor | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
The mechanical property and the heat-drawn wire of table 3 NCM-1 filling high-density polyethylene
| Project | High density polyethylene(HDPE) | The NCM-1 filling high-density polyethylene |
| Tensile strength/MPa | 28 | 28 |
| Modulus/GPa | 0.9 | 1.1 |
| Elongation at break/% | 500 | 560 |
| Flexural strength/MPa | 35 | 42 |
| Socle girder notched Izod impact strength/KJ/m 2 | 15 | 22 |
| Heat-drawn wire/℃ | 107 | 115 |
Embodiment 3
Press the prescription of table 1 embodiment 3, preparation process condition is as different from Example 1: the engine speed of twin screw extruder is 280 rev/mins, 40 rev/mins of rate of feeding, the temperature of each section of forcing machine (comprising totally 6 sections of heads) is 180 ℃, 200 ℃, 200 ℃, 195 ℃, 195 ℃, 190 ℃ successively.Use prescription and press table 2 embodiment 3, the mechanical property and the heat-drawn wire of gained NCM-3 filled polypropylene are as shown in table 4.
The mechanical property of table 4 NCM-2 and NCM-3 filled polypropylene and heat-drawn wire
| Project | Polypropylene | The NCM-2 filled polypropylene | The NCM-3 filled polypropylene |
| Tensile strength/MPa | 35 | 37 | 38 |
| Modulus/GPa | 1.15 | 1.35 | 1.6 |
| Flexural strength/MPa | 52 | 55 | 65 |
| Socle girder notched Izod impact strength/KJ/m 2 | 4 | 12 | 6 |
| Heat-drawn wire/℃ | 121 | 126 | 131 |
Embodiment 4
Press the prescription of table 1 embodiment 4, preparation process condition is with embodiment 1.Use prescription and press the prescription of table 2 embodiment 4, NCM-4, superfine heavy calcium carbonate (fineness is 5000 orders), new LDPE (film grade) (melt flow rate (MFR) is 7g/10min), amido silicon oil (amino content is 0.6 mmole/100 grams) and oxidation inhibitor after kneader stirs, extrude in the twin screw extruder blend, granulation, drying, curtain coating becomes film on the casting apparatus extruding in the back, drawn obtains oriented film again, and test gained casting and stretching mechanical properties in films and permeability are as shown in table 5.
As a comparison, press the comparative formula of table 2 embodiment 4, after superfine heavy calcium carbonate (fineness is 5000 orders), amido silicon oil (amino content is 0.6 mmole/100 grams), new LDPE (film grade) (melt flow rate (MFR) is 7g/10min) and 0.2 kilogram of oxidation inhibitor stirred in kneader, press the identical fabrication process condition of application prescription of embodiment 4, make the casting and stretching film, the mechanical property and the permeability of test gained are as shown in table 5.
Table 5 NCM-4 and superfine heavy calcium carbonate are filled LDPE casting and stretching mechanical properties in films and permeability
| Project | Superfine heavy calcium carbonate is filled LDPE | NCM-4 and superfine heavy calcium carbonate are filled LDPE |
| Grammes per square metre/g/m 2 | 22 | 20 |
| Water vapor transmission rate (WVTR)/g/m 2/day | ～3000 | ～8000 |
| Longitudinal tensile strength/MPa | 6 | 15 |
| Transverse tensile strength/MPa | 4 | 7 |
| Longitudinal tensile strain rate/% | 180 | 220 |
| Cross direction elongation/% | 330 | 450 |
| Shrinking percentage/% | 3 | 4 |
Embodiment 5
Press the prescription of table 1 embodiment 5, preparation process condition is with embodiment 1.Use prescription and press the prescription of table 2 embodiment 5, the mechanical property and the heat-drawn wire of gained NCM-5 filled nylon-6 are as shown in table 6.
The mechanical property and the heat-drawn wire of table 6 NCM-5 filled nylon-6
| Project | Nylon-6 | NCM-1 filled nylon-6 |
| Tensile strength/MPa | 60 | 65 |
| Modulus/GPa | 1.3 | 1.6 |
| Flexural strength/MPa | 90 | 102 |
| Socle girder notched Izod impact strength/KJ/m 2 | 12 | 21 |
| Heat-drawn wire/℃ | 65 | 83 |
Claims (10)
1, a kind of preparation of polyolefin lime carbonate predispersed masterbatch comprises, it is characterized in that comprising the steps:
(1) nano-calcium carbonate is joined in the kneader, and then be docile and obedient preface adding unsaturated acid monomer, long aliphatic chain monomer, initiator, polyether sulfonate, macromolecular coupling agent and polyolefin resin, mediated 0.5～5 minute;
(2) compound is discharged in the twin screw extruder, extrude, pelletizing, drying, promptly get polyolefin lime carbonate predispersed masterbatch, the engine speed of twin screw extruder is 50～600 rev/mins, rate of feeding is 20～400 rev/mins, and the Heating temperature of forcing machine is 80～220 ℃;
The parts by weight of each component are as follows:
20～95 parts of nano-calcium carbonates
0.1～10 part of unsaturated acid monomer
0.1～20 part of long aliphatic chain monomer
0.001～5 part of initiator
0.1～10 part of polyether sulfonate
0.1～20 part of macromolecular coupling agent
5～80 parts of polyolefin resines.
2, method according to claim 1 is characterized in that the twin screw extruder that step (2) adopts, and is to be 36: 1～50: 1 twin screw extruder with the length-to-diameter ratio that screw rod is added with 5 sections mixing elementses.
3, method according to claim 1 and 2 is characterized in that described nano-calcium carbonate particle diameter is the 20-100 nanometer.
4, method according to claim 3 is characterized in that described unsaturated acid monomer is one or more in vinylformic acid, methacrylic acid, methylene-succinic acid, fumaric acid, toxilic acid, maleic anhydride, monomethyl maleate, ethyl maleate, butyl maleate, single-ethylhexyl maleate, toxilic acid list lauryl alcohol ester, toxilic acid list tetradecyl alcohol ester, toxilic acid list hexadecanol ester or the toxilic acid list stearyl alcohol ester.
5, method according to claim 4 is characterized in that described long aliphatic chain monomer is vinylformic acid lauryl alcohol ester, vinylformic acid tetradecyl alcohol ester, vinylformic acid hexadecanol ester, vinylformic acid stearyl alcohol ester, methacrylic acid lauryl alcohol ester, methacrylic acid tetradecyl alcohol ester, methacrylic acid hexadecanol ester or methacrylic acid stearyl alcohol ester.
6, method according to claim 5 is characterized in that described initiator is di-t-butyl peroxide, tertbutyl peroxide, dicumyl peroxide, isopropyl benzene hydroperoxide or dibenzoyl peroxide etc.
7, method according to claim 6, it is characterized in that described polyether sulfonate is the sulfonate of long-chain alkoxy base Soxylat A 25-7 or the sulfonate of the phenolic group Soxylat A 25-7 that chain alkyl replaces, wherein the long-chain alkoxy base in the sulfonate of long-chain alkoxy base Soxylat A 25-7 is meant one or more in dodecyloxy, tetradecyloxyaniline, n-Hexadecane oxygen base, the octadecane oxygen base; Chain alkyl in the sulfonate of the phenolic group Soxylat A 25-7 that chain alkyl replaces is meant one or more in octyl group, nonyl, dodecyl, tetradecyl, hexadecyl, the octadecyl.
8, method according to claim 7, the polymerization degree that it is characterized in that described Soxylat A 25-7 is 3-500, sulfonate is meant sodium sulfonate, potassium sulfonate or ammonium sulphonate.
9, method according to claim 8 is characterized in that described polyolefine is meant the high density polyethylene(HDPE), new LDPE (film grade), linear low density of polyethylene of commodity, unusual one or more in new LDPE (film grade), ethylene-octene copolymer, ethylene-vinyl acetate copolymer, ethylene-acrylic acid copolymer, ethylene-methacrylic acid copolymer, ethylene-methyl acrylate copolymer, ethylene-ethyl acrylate copolymer, ethylene-butyl acrylate copolymer, homo-polypropylene, Co-polypropylene, the ethylene-propylene-diene terpolymers.
10, method according to claim 4, it is characterized in that described macromolecular coupling agent is meant the reactive monomer graft-modified polyolefin of commodity, here the reactive monomer of indication comprises vinylbenzene, vinyl-acetic ester, vinylformic acid, methyl acrylate, ethyl propenoate, butyl acrylate, Isooctyl acrylate monomer, Hydroxyethyl acrylate, methacrylic acid, methyl methacrylate, Jia Jibingxisuanyizhi, butyl methacrylate, Isooctyl methacrylate, hydroxyethyl methylacrylate, glycidyl methacrylate, methylene-succinic acid, fumaric acid, toxilic acid, maleic anhydride, monomethyl maleate, ethyl maleate, butyl maleate, single-ethylhexyl maleate, toxilic acid list lauryl alcohol ester, toxilic acid list tetradecyl alcohol ester, toxilic acid list hexadecanol ester, in the toxilic acid list stearyl alcohol ester one or more, percentage of grafting is 0.5～30%.
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