CN109486071A - A kind of fretting map pad pasting wrapping paper material and preparation method thereof - Google Patents
A kind of fretting map pad pasting wrapping paper material and preparation method thereof Download PDFInfo
- Publication number
- CN109486071A CN109486071A CN201811276587.3A CN201811276587A CN109486071A CN 109486071 A CN109486071 A CN 109486071A CN 201811276587 A CN201811276587 A CN 201811276587A CN 109486071 A CN109486071 A CN 109486071A
- Authority
- CN
- China
- Prior art keywords
- parts
- agent
- pad pasting
- wrapping paper
- fretting map
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000000463 material Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000004088 foaming agent Substances 0.000 claims abstract description 26
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 22
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 22
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 19
- 238000007664 blowing Methods 0.000 claims abstract description 18
- 239000002981 blocking agent Substances 0.000 claims abstract description 12
- 239000012744 reinforcing agent Substances 0.000 claims abstract description 11
- 239000000126 substance Substances 0.000 claims abstract description 11
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 10
- 230000004888 barrier function Effects 0.000 claims abstract description 7
- -1 poly butylene succinate Polymers 0.000 claims description 29
- 239000000203 mixture Substances 0.000 claims description 27
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 16
- 239000010408 film Substances 0.000 claims description 16
- 239000004698 Polyethylene Substances 0.000 claims description 13
- 229920000573 polyethylene Polymers 0.000 claims description 11
- 150000002148 esters Chemical class 0.000 claims description 9
- 239000004604 Blowing Agent Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 238000006136 alcoholysis reaction Methods 0.000 claims description 8
- 229920001577 copolymer Polymers 0.000 claims description 8
- 238000006116 polymerization reaction Methods 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 7
- 239000003381 stabilizer Substances 0.000 claims description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- 239000004327 boric acid Chemical class 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 6
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- 239000010409 thin film Substances 0.000 claims description 6
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 5
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical class OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 229910001868 water Inorganic materials 0.000 claims description 5
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- OPZZWWFHZYZBRU-UHFFFAOYSA-N butanedioic acid;butane-1,1-diol Chemical compound CCCC(O)O.OC(=O)CCC(O)=O OPZZWWFHZYZBRU-UHFFFAOYSA-N 0.000 claims description 4
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 claims description 4
- 229920001223 polyethylene glycol Polymers 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 239000003963 antioxidant agent Substances 0.000 claims description 3
- 230000003078 antioxidant effect Effects 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 3
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims description 3
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- OOJRTGIXWIUBGG-UHFFFAOYSA-N 2-methylpropane-1,2,3-triol Chemical compound OCC(O)(C)CO OOJRTGIXWIUBGG-UHFFFAOYSA-N 0.000 claims description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical class OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 2
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical class OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 2
- 239000005977 Ethylene Substances 0.000 claims description 2
- 239000004471 Glycine Chemical class 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Chemical class [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 230000008859 change Effects 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 150000002085 enols Chemical class 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 2
- 150000002823 nitrates Chemical class 0.000 claims description 2
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- 229910001404 rare earth metal oxide Inorganic materials 0.000 claims description 2
- 235000012424 soybean oil Nutrition 0.000 claims description 2
- 239000003549 soybean oil Substances 0.000 claims description 2
- BUUPQKDIAURBJP-UHFFFAOYSA-N sulfinic acid Chemical class OS=O BUUPQKDIAURBJP-UHFFFAOYSA-N 0.000 claims description 2
- 239000011975 tartaric acid Chemical class 0.000 claims description 2
- 235000002906 tartaric acid Nutrition 0.000 claims description 2
- DCXXMTOCNZCJGO-UHFFFAOYSA-N tristearoylglycerol Chemical group CCCCCCCCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCCCC DCXXMTOCNZCJGO-UHFFFAOYSA-N 0.000 claims 2
- 150000001335 aliphatic alkanes Chemical class 0.000 claims 1
- 125000005619 boric acid group Chemical group 0.000 claims 1
- 125000005587 carbonate group Chemical group 0.000 claims 1
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 claims 1
- 150000002927 oxygen compounds Chemical class 0.000 claims 1
- 229920002961 polybutylene succinate Polymers 0.000 claims 1
- 239000004631 polybutylene succinate Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 239000006260 foam Substances 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000004806 packaging method and process Methods 0.000 abstract description 3
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000005187 foaming Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 229920002689 polyvinyl acetate Polymers 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- BTVVNGIPFPKDHO-UHFFFAOYSA-K cerium(3+);octadecanoate Chemical group [Ce+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O BTVVNGIPFPKDHO-UHFFFAOYSA-K 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 229920000098 polyolefin Polymers 0.000 description 3
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 229920001483 poly(ethyl methacrylate) polymer Polymers 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 1
- 101100028789 Arabidopsis thaliana PBS1 gene Proteins 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 240000000560 Citrus x paradisi Species 0.000 description 1
- 101000604197 Homo sapiens Neuronatin Proteins 0.000 description 1
- 102100038816 Neuronatin Human genes 0.000 description 1
- GCNLQHANGFOQKY-UHFFFAOYSA-N [C+4].[O-2].[O-2].[Ti+4] Chemical compound [C+4].[O-2].[O-2].[Ti+4] GCNLQHANGFOQKY-UHFFFAOYSA-N 0.000 description 1
- 206010000269 abscess Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 239000002666 chemical blowing agent Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 239000011888 foil Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
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- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
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- NKAAEMMYHLFEFN-ZVGUSBNCSA-M sodium;(2r,3r)-2,3,4-trihydroxy-4-oxobutanoate Chemical compound [Na+].OC(=O)[C@H](O)[C@@H](O)C([O-])=O NKAAEMMYHLFEFN-ZVGUSBNCSA-M 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000000341 volatile oil Substances 0.000 description 1
Classifications
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- C08J9/08—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
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- C08J9/122—Hydrogen, oxygen, CO2, nitrogen or noble gases
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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Abstract
The present invention relates to a kind of pad pasting wrapping paper and preparation method thereof, especially a kind of fretting map pad pasting wrapping paper material and preparation method thereof.Material of the invention includes the component of following parts by weight: 70-90 parts of polyvinyl alcohol, 1-10 parts of melt reinforcing agent, 1-10 parts of flow ability modifying agent, 1-10 parts of foaming agent, 0.5-3 parts of anti-blocking agent, 1-5 parts of blowing promotor, 0.5-2 parts of other auxiliary agents.And disclose preparation method.Material of the present invention has melt forming tensile property good, and foam bubble aperture is small, and cell density is high, film thickness foam up to 20 microns hereinafter, product weight is light, tensile strength is high, tearing-resistant performance is high, excellent heat resistance, the packaging field that can be used for having 80 DEG C or more high temperature requirements；Meanwhile product environmental protection, it is biodegradable；In addition, product is with excellent to oily substance barrier property；Meanwhile it is strong with paper bonding force, film surface last handling process is saved, productivity is high.
Description
Technical field
The present invention relates to a kind of fretting map pad pasting wrapping paper materials and preparation method thereof, belong to field of material technology.
Background technique
In daily life, paper bag becomes more and more popular because of its convenient, environmental protection；On the other hand, people are in order to pack waterproof, in paper
Bag inner surface interior would generally paste one layer of plastic foil, presently mainly PE film.It, can not be by the Nature certainly after these products are dropped
So consumption causes current many white pollutions.For example, can see largely discarded interior pad pasting everywhere in various public places
Paper-packed products.On the other hand, PE film also faces that oil resistivity is poor, and poor to barrier properties for gases (food etc. has shelf-life production
Product are apt to deteriorate) etc. application problems；Third, heat resisting temperature are no more than 70 DEG C, and heat resistance is too poor, can not still solve very well so far
Certainly.
Summary of the invention
In view of the above problems, material of the present invention has melt forming tensile property good, foam bubble aperture is small, cell density
Height, for the film thickness that foams up to 20 μm hereinafter, product weight is light, convenience is good, and tensile strength is high, and tearing-resistant performance is high, heat resistance
Packaging field that is excellent, can be used for having 80 DEG C or more high temperature requirements；Meanwhile product environmental protection, it is biodegradable；In addition, product has
Have excellent to oily substance barrier property；Meanwhile it is strong with paper bonding force, film surface last handling process is saved, productivity is high.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of fretting map pad pasting wrapping paper material, material includes the component of following parts by weight:
70-90 parts of polyvinyl alcohol
1-10 parts of melt reinforcing agent
1-10 parts of flow ability modifying agent
1-10 parts of foaming agent
1-5 parts of blowing promotor
0.5-3 parts of anti-blocking agent
0.5-2 parts of other auxiliary agents
Further scheme, according to claim 1 fretting map pad pasting wrapping paper material, it is characterised in that: the poly- second
Enol is that alcoholysis degree is more than or equal to 70%, and the degree of polymerization is more than 500 polyvinyl alcohol, and preferably alcoholysis degree is 95%, and the degree of polymerization is
2000 polyvinyl alcohol.
Further scheme, the melt reinforcing agent are vinyl-vinyl acrylate copolymer (EEA), poly-succinic fourth
Diol ester (PBS), succinic acid-butanediol ester-tetramethylene adipate copolymer (PBSA), polyethyl methacrylate
(PEMA), ethylene-methyl acrylate-glyceryl methacrylate copolymer (E-MA-GMA), copolyetheresteramides
One of (coPA), preferred succinic acid-butanediol ester-tetramethylene adipate copolymer (PBSA).
Further scheme, the flow ability modifying agent be polyethylene glycol oxide (PEO), terminal hydroxy group modified poly (ethylene glycol) (PEG),
Polytetramethylene glycol, methylglycerin, caprolactam, epoxidized soybean oil, one of ethylene glycol, optimal ethylene ethyl glycol.
Further scheme, the foaming agent are physical chemistry composite foamable agent, and wherein physical blowing agent is water, titanium dioxide
Carbon, nitrogen, butane, one of pentane, preferably water；Chemical foaming agent is heat absorbing type inorganic foaming agent, such as carbonate is sent out
Infusion, bicarbonate salts foaming agent, Nitrates foaming agent etc., preferably bicarbonate salts foaming agent.
Further scheme, the blowing promotor be pH value be not less than 3 organic acid and its esters, such as stearic acid and its
Metallic salt, boric acid and its esters, sulfonic acid or sulfinic acid and its esters, glycine and its esters, tartaric acid and its esters etc. are excellent
Select boric acid.The PH is measured as saturation acid solution.
Further scheme, the anti-blocking agent are nano montmorillonite, and nano-oxide, one of microfine diatomaceous is excellent
Select nano-oxide, such as nano silica, nano aluminium oxide etc..
Further scheme, the auxiliary agent is stabilizer and antioxidant, wherein the stabilizer rare-earth stearate, carboxylate are dilute
Soil, one of rare earth oxide sulfate, preferably rare-earth stearate；The antioxidant is one of 1010,1098,168,
It is preferred that 1010.The rare-earth stearate is cerium stearate.
Further scheme, the preparation method of the fretting map pad pasting wrapping paper material, it is characterised in that: including following step
It is rapid:
Step 1: by polyvinyl alcohol, flow ability modifying agent is pre-mixed 1-2min in a high speed mixer according to parts by weight, after
Mixture is placed in reaction kettle and stands 0.5-1h.Then, by said mixture and melt reinforcing agent anti-blocking agent, chemical blowing
Agent, blowing promotor, other auxiliary agents mix 2-4min in medium speed mixer according to parts by weight, obtain mixture；
Step 2: being added to the mixture that machine obtains is mixed in step 1 in single screw rod thin film extruding machine by hopper, will
Physical blowing agent is added in extruder by aerating mouth at the top of metering according to parts by weight machine barrel, at a temperature of 130-200 DEG C, into
Row squeezes out and is cast into polyethylene foamed alcohol film, meanwhile, paper is introduced directly into using pressure roller is prolonged, obtaining has the micro- of micro pore shape
Polyethylene foamed alcohol pad pasting wrapping paper.Wherein, extruder screw is one of divergence type, barrier type, bypass type screw rod, compression
Than being more than or equal to 22:1.
Beneficial effect
Compared with prior art, the present invention has the advantage that
1, the present invention, which passes through the selective regulation polyvinyl alcohol material hydrogen bond density of science and uses, fully meets food
The foaming agent that grade requires, obtains environmental protection, biodegradable foaming pad pasting wrapping paper, and harmless to natural environment or few evil solves
Current polyolefin film environmental issue.Moreover, deriving from petrochemical industry compared to polyolefine material, substrate of the present invention can be by non-
Petroleum approach obtains, and in petroleum resources, increasingly the current of exhaustion is of great significance.
2, material of the present invention is micro-foaming material, by effectively controlling abscess aperture, obtains cell density height, foam films
For thickness up to 20 μm hereinafter, product weight is light, convenience is good.Meanwhile the present invention also has excellent tensile strength, it is high tear-resistant
Performance, high-fire resistance, the packaging field that can be used for having 80 DEG C or more high temperature requirements；In addition, product of the present invention is to oily substance, gas
Body has excellent barrier property, ensure that the quality safety of packaged product；The present invention also has excellent antistatic property, solution
The problems such as electrostatic sticks in transport or the application process of having determined, electrostatic hazard and film are covered with dust.
3, it is acted synergistically by using melt reinforcing agent and flow ability modifying agent, effectively improves foaming for polyvinyl alcohol
The equilibrium problem solved between high fondant-strength and high efficiency in journey, obtained foaming effect is good, and melt strength height is simultaneous
Grapefruit Essential Oil material, high yield rate.In the present invention use of blowing promotor can effectively improve foaming agent decomposition efficiency with
And foaming agent residual is reduced, improve solubility of the gas in polyvinyl alcohol, improves retention rate of the gas in blow-molding process, protect
Product weight is demonstrate,proved to mitigate.
4, film of the present invention have high surface polarity, it is strong with paper bonding force, in process of production, can directly and paper into
Row bonding saves film surface last handling process, production efficiency greatly improves, and reduces manufacturing cost without surface treatment.It is whole
A production process is environment friendly and pollution-free.
5, the present invention provides the preparation method of the material, and technique is controllable, high-efficient, be easily industrialized.
Specific embodiment
Embodiment 1
Step 1: being 85 parts by PVAC polyvinylalcohol 2095, and PBSA8 parts of flow ability modifying agent is mixed in high speed according to parts by weight
Be pre-mixed 1min in conjunction machine, after mixture be placed in reaction kettle stand 0.5 hour.Then, said mixture and melt are mended
Strong 5 parts, 0.5 part of anti-blocking agent nano silica of ethylene glycol of agent, 3.5 parts of heat absorbing type chemical foaming agent sodium bicarbonate,
3 parts of blowing promotor boric acid, 0.2 part of other auxiliary agent cerium stearates and antioxidant 1010 are 0.3 part mixed in middling speed according to parts by weight
2min is mixed in conjunction machine, obtains mixture；
Step 2: being added to the mixture that machine obtains is mixed in step 1 in single screw rod thin film extruding machine by hopper, will
0.5 part of physical blowing agent water is added in extruder by aerating mouth at the top of metering according to parts by weight machine barrel, in 130-200 DEG C of temperature
Under degree, carries out extrusion and be cast into polyethylene foamed alcohol film, meanwhile, paper is introduced directly into using pressure roller is prolonged, obtaining has micropore
The fretting map polyvinyl alcohol pad pasting wrapping paper of form.Wherein, extruder screw is separating screw rod, compression ratio 22:1.
The polyethylene alcoholysis degree are as follows: 95%, the degree of polymerization 2000.
The blowing promotor Ph is 3.2.
Embodiment 2
Step 1: being 85 parts by PVAC polyvinylalcohol 1795, EEA8 parts of flow ability modifying agent according to parts by weight in mixed at high speed
2min is pre-mixed in machine, after mixture be placed in reaction kettle stand 1h.Then, by said mixture and melt reinforcing agent PEG5
Part, 1 part of anti-blocking agent nano montmorillonite, 5.2 parts of heat absorbing type chemical foaming agent sodium carbonate, 2 parts of blowing promotor stearic acid, other are helped
1.5 parts of stabilizer rare earth cerium oxide sodium sulphate and irgasfos 168 are 0.5 part mixed in medium speed mixer according to parts by weight in agent
4min is closed, mixture is obtained；
Step 2: being added to the mixture that machine obtains is mixed in step 1 in single screw rod thin film extruding machine by hopper, will
0.8 part of physical blowing agent carbon dioxide is added in extruder by aerating mouth at the top of metering according to parts by weight machine barrel, in 130-
At a temperature of 200 DEG C, carries out extrusion and be cast into polyethylene foamed alcohol film, meanwhile, paper is introduced directly into using pressure roller is prolonged, is had
There is the fretting map polyvinyl alcohol pad pasting wrapping paper of micro pore shape.Wherein, extruder screw is barrier screw, compression ratio 26:
1。
The polyethylene alcoholysis degree are as follows: 70%, the degree of polymerization 500.
The blowing promotor Ph is 4.5.
Embodiment 3
Step 1: being 80 parts by PVAC polyvinylalcohol 1792, and PEMA10 parts of flow ability modifying agent is mixed in high speed according to parts by weight
Be pre-mixed 1.5min in conjunction machine, after mixture be placed in reaction kettle stand 0.8h.Then, by said mixture and melt reinforcement
PEO8 parts of agent, 3 parts of anti-blocking agent microfine diatomaceous, 9 parts of heat absorbing type chemical foaming agent sodium bicarbonate, blowing promotor sodium hydrogen tartrate
5 parts, 0.4 part of other auxiliary agent stabilizer cerium stearates and antioxidant 1010 are 0.6 part according to parts by weight in medium speed mixer
3min is mixed, mixture is obtained；
Step 2: being added to the mixture that machine obtains is mixed in step 1 in single screw rod thin film extruding machine by hopper, will
1 part of physical blowing agent nitrogen is added in extruder by aerating mouth at the top of metering according to parts by weight machine barrel, in 130-200 DEG C of temperature
Under degree, carries out extrusion and be cast into polyethylene foamed alcohol film, meanwhile, paper is introduced directly into using pressure roller is prolonged, obtaining has micropore
The fretting map polyvinyl alcohol pad pasting wrapping paper of form.Wherein, extruder screw is bypass type screw rod, compression ratio 30:1.
The polyethylene alcoholysis degree are as follows: 88%, the degree of polymerization 2400.
The blowing promotor Ph is 5.8.
Embodiment 4
Step 1: being 90 parts by PVAC polyvinylalcohol 2095, PBS1 parts of flow ability modifying agent according to parts by weight in mixed at high speed
2min is pre-mixed in machine, after mixture be placed in reaction kettle stand 0.6h.Then, by said mixture and melt reinforcing agent first
10 parts of base glycerol, 0.8 part of anti-blocking agent nano silica, 0.5 part of heat absorbing type chemical foaming agent sodium carbonate, blowing promotor boric acid
1 part, 0.2 part of other auxiliary agent stabilizer rare earth cerium oxide sodium sulphate and irgasfos 168 are 0.5 part mixed in middling speed according to parts by weight
3min is mixed in conjunction machine, obtains mixture；
Step 2: being added to the mixture that machine obtains is mixed in step 1 in single screw rod thin film extruding machine by hopper, will
0.5 part of physical blowing agent carbon dioxide is added in extruder by aerating mouth at the top of metering according to parts by weight machine barrel, in 130-
At a temperature of 200 DEG C, carries out extrusion and be cast into polyethylene foamed alcohol film, meanwhile, paper is introduced directly into using pressure roller is prolonged, is had
There is the fretting map polyvinyl alcohol pad pasting wrapping paper of micro pore shape.Wherein, extruder screw is separating screw rod, compression ratio 36:
1。
The polyethylene alcoholysis degree are as follows: 99%, the degree of polymerization 1700.
The blowing promotor Ph is 10.3.
According to above-mentioned preparation method, comparative example 1, embodiment 1, embodiment 2, embodiment 3, embodiment 4, specific formula is as follows
Shown in table:
To in upper table comparative example and embodiment detect, results of property is as shown in the table:
As can be seen from the above results, compared with comparative example 1, the embodiment of the present invention 1, embodiment 2, embodiment 3, embodiment
4 product densities are lower, and melt flow rate (MFR) is higher, and tensile strength is higher, and heat resistance is more preferable, and oxygen transmission rate is lower, are significantly better than mesh
Preceding polyolefin film in the market.
The foregoing is merely a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, any
Those skilled in the art's equivalent change or modification made by Spirit Essence according to the present invention, should all cover of the invention
Within protection scope.
Claims (11)
1. a kind of fretting map pad pasting wrapping paper material, which is characterized in that material includes the component of following parts by weight:
70-90 parts of polyvinyl alcohol
1-10 parts of melt reinforcing agent
1-10 parts of flow ability modifying agent
1-10 parts of foaming agent
1-5 parts of blowing promotor
0.5-3 parts of anti-blocking agent
0.5-2 parts of other auxiliary agents.
2. fretting map pad pasting wrapping paper material according to claim 1, it is characterised in that: the polyvinyl alcohol is that alcoholysis degree is big
In being equal to 70%, the degree of polymerization is more than 500 one or more of polyvinyl alcohol mixtures.
3. fretting map pad pasting wrapping paper material according to claim 2, it is characterised in that: the polyvinyl alcohol alcoholysis degree is
95%, the polyvinyl alcohol that the degree of polymerization is 2000.
4. fretting map pad pasting wrapping paper material according to claim 1, it is characterised in that: the melt reinforcing agent is ethylene-
Vinyl acrylate copolymer, poly butylene succinate, succinic acid-butanediol ester-tetramethylene adipate copolymer gather
Ethyl methacrylate, ethylene-methyl acrylate-glyceryl methacrylate copolymer, one in copolyetheresteramides
Kind.
5. fretting map pad pasting wrapping paper material according to claim 4, it is characterised in that: the melt reinforcing agent succinic acid-
Butanediol ester-tetramethylene adipate copolymer.
6. fretting map pad pasting wrapping paper material according to claim 1, it is characterised in that: the flow ability modifying agent is polyoxy
Change ethylene, terminal hydroxy group modified poly (ethylene glycol), polytetramethylene glycol, methylglycerin, caprolactam, epoxidized soybean oil, ethylene glycol
One of；The foaming agent is physical chemistry composite foamable agent, and wherein physical blowing agent is water, carbon dioxide, nitrogen, fourth
Alkane, one of pentane；Chemical foaming agent is heat absorbing type inorganic foaming agent；The anti-blocking agent is nano montmorillonite, nano oxygen
Compound, one of microfine diatomaceous；The blowing promotor is the organic acid and its esters that pH value is not less than 3.
7. fretting map pad pasting wrapping paper material according to claim 1, it is characterised in that: the physical blowing agent is water；
Heat absorbing type inorganic foaming agent is carbonate foaming agent, bicarbonate salts foaming agent, Nitrates foaming agent；The anti-blocking agent
For nano silica, nano aluminium oxide；The flow ability modifying agent is ethylene glycol；The blowing promotor is tristearin
Acid and its metallic salt, boric acid and its esters, sulfonic acid or sulfinic acid and its esters, glycine and its esters, tartaric acid and its salt
Class.
8. fretting map pad pasting wrapping paper material according to claim 7, it is characterised in that: the chemical foaming agent is carbonic acid
Hydrogen salt；The blowing promotor is boric acid.
9. fretting map pad pasting wrapping paper material according to claim 1, it is characterised in that: other described auxiliary agents be stabilizer and
Antioxidant, wherein the stabilizer rare-earth stearate, Carboxylic Ester Rare Earth Salt, one of rare earth oxide sulfate；The antioxygen
Agent is one of 1010,1098,168.
10. the preparation method of -9 described in any item fretting map pad pasting wrapping paper materials according to claim 1, it is characterised in that:
The following steps are included:
Step 1: by polyvinyl alcohol, flow ability modifying agent is pre-mixed 1-2min in a high speed mixer according to parts by weight, after will mix
Conjunction object, which is placed in reaction kettle, stands 0.5-2h；Then, by said mixture and melt reinforcing agent, anti-blocking agent, chemical foaming agent,
Blowing promotor, other auxiliary agents mix 2-4min in medium speed mixer according to parts by weight, obtain mixture；
Step 2: it is added to the mixture that machine obtains is mixed in step 1 in single screw rod thin film extruding machine by hopper, by physics
Foaming agent is added in extruder by aerating mouth at the top of metering according to parts by weight machine barrel, at a temperature of 130-200 DEG C, is squeezed
It is cast into polyethylene foamed alcohol film out, meanwhile, paper is introduced using pressure roller is prolonged, obtains the poly- second of fretting map with micro pore shape
Enol pad pasting wrapping paper.
11. the preparation method of 0 described in any item fretting map pad pasting wrapping paper materials according to claim 1, it is characterised in that: squeeze
Machine screw rod is one of divergence type, barrier type, bypass type screw rod out, and compression ratio is more than or equal to 22:1.
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