CN101649015B - Polyvinylidene chloride (PVDC) copolymer latex for medicine packaging as well as preparation method and application thereof - Google Patents
Polyvinylidene chloride (PVDC) copolymer latex for medicine packaging as well as preparation method and application thereof Download PDFInfo
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- 239000004816 latex Substances 0.000 title claims abstract description 39
- 229920000126 latex Polymers 0.000 title claims abstract description 39
- 239000005033 polyvinylidene chloride Substances 0.000 title claims abstract description 28
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 26
- 229920001577 copolymer Polymers 0.000 title claims abstract description 24
- 239000003814 drug Substances 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000000178 monomer Substances 0.000 claims abstract description 36
- 239000003999 initiator Substances 0.000 claims abstract description 34
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 17
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 17
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 claims abstract description 10
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- 239000002086 nanomaterial Substances 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical group CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 8
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 235000021122 unsaturated fatty acids Nutrition 0.000 claims description 8
- 150000004670 unsaturated fatty acids Chemical class 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 6
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- 229960000583 acetic acid Drugs 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 239000012362 glacial acetic acid Substances 0.000 claims description 4
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical group Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 claims description 4
- LVHBHZANLOWSRM-UHFFFAOYSA-N itaconic acid Chemical compound OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 claims description 4
- DAJSVUQLFFJUSX-UHFFFAOYSA-M sodium;dodecane-1-sulfonate Chemical compound [Na+].CCCCCCCCCCCCS([O-])(=O)=O DAJSVUQLFFJUSX-UHFFFAOYSA-M 0.000 claims description 4
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 3
- 238000007334 copolymerization reaction Methods 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- XWGJFPHUCFXLBL-UHFFFAOYSA-M rongalite Chemical group [Na+].OCS([O-])=O XWGJFPHUCFXLBL-UHFFFAOYSA-M 0.000 claims description 3
- IRLPACMLTUPBCL-KQYNXXCUSA-N 5'-adenylyl sulfate Chemical compound C1=NC=2C(N)=NC=NC=2N1[C@@H]1O[C@H](COP(O)(=O)OS(O)(=O)=O)[C@@H](O)[C@H]1O IRLPACMLTUPBCL-KQYNXXCUSA-N 0.000 claims description 2
- 239000004160 Ammonium persulphate Substances 0.000 claims description 2
- 239000004159 Potassium persulphate Substances 0.000 claims description 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 2
- 235000019395 ammonium persulphate Nutrition 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 2
- 235000019394 potassium persulphate Nutrition 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 2
- 229910052681 coesite Inorganic materials 0.000 claims 1
- 229910052906 cristobalite Inorganic materials 0.000 claims 1
- 239000000377 silicon dioxide Substances 0.000 claims 1
- 235000012239 silicon dioxide Nutrition 0.000 claims 1
- 229910052682 stishovite Inorganic materials 0.000 claims 1
- 229910052905 tridymite Inorganic materials 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 7
- 230000004888 barrier function Effects 0.000 abstract description 5
- 239000003002 pH adjusting agent Substances 0.000 abstract 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 125000001931 aliphatic group Chemical group 0.000 abstract 1
- 238000002425 crystallisation Methods 0.000 abstract 1
- 230000008025 crystallization Effects 0.000 abstract 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 21
- -1 PH regulator Substances 0.000 description 7
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical group CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- RPQRDASANLAFCM-UHFFFAOYSA-N oxiran-2-ylmethyl prop-2-enoate Chemical compound C=CC(=O)OCC1CO1 RPQRDASANLAFCM-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Laminated Bodies (AREA)
- Wrappers (AREA)
Abstract
The invention relates to latex for medicine packaging, in particular to polyvinylidene chloride (PVDC) copolymer latex for aqueous medicine packaging and a preparation method thereof. The polyvinylidene chloride (PVDC) copolymer latex for the medicine packaging is prepared by copolymerizing a mixed monomer, an emulsifier, an initiator, a pH modifier, an auxiliary agent and nanometer materials, wherein the polyvinylidene chloride (PVDC) copolymer latex comprises the following components by the total weight percent of the mixed monomer: 70-96 percent of vinylidene chloride, 3-25 percent of acrylate monomer and 2-5 percent of acrylonitrile; and the weight percentage of the emulsifier, the initiator, the pH modifier, the auxiliary agent and the nanometer materials are as follows respectively accounting for the total weight of the latex: 0.5-5 percent of unsaturated aliphatic acid, 0.5-2 percent of the emulsifier, 0.02-0.2 percent of the initiator, 0.005-0.02 percent of the pH modifier, 0.002-0.01 percent of the auxiliary agent and 0.003-0.02 percent of the nanometer materials. The polyvinylidene chloride (PVDC) copolymer latex for the medicine packaging has low latex viscosity, good softness, high barrier property and no crystallization point.
Description
Technical field
The present invention relates to medical packaging latex, relate in particular to a kind of water-based medical packaging polyvinylidene dichloride (PVDC) copolymer latex and preparation method thereof.
Background technology
Obtained in the present food product pack of polyvinylidene dichloride (PVDC) copolymer latex using widely; Polyvinylidene dichloride (PVDC) is a kind of nonpoisonous and tasteless, safe and reliable high barrier material; Except that general property with plastics; Also have oil-proofness, erosion resistance, guarantor's flavor property and excellent protection against the tide, mildew-resistant, can be directly and performances such as food contacts, also have the superior printing characteristics ability simultaneously, its technological comparative maturity.But be used in above the medical packaging, polyvinylidene dichloride (PVDC) flexibility was not enough when the coating of polyvinylidene dichloride (PVDC) latex was compound on the PVC, especially when matrix material being frothed the formation capsule; Because the flexibility of polyvinylidene dichloride (PVDC) is good inadequately, after frothing, is easy to generate water wave; Simultaneously after frothing; There is brilliant point to exist, promptly influences barrier, influence outward appearance again.Therefore, also there is certain defective in the application on medical packaging.
Summary of the invention
In order to solve the technological deficiency that existing polyvinylidene dichloride (PVDC) latex exists; The purpose of this invention is to provide a kind of medical packaging polyvinylidene dichloride (PVDC) copolymer latex, solve when frothing the formation capsule, do not produce water wave; Simultaneously do not have brilliant point again, barrier is high again.The present invention also discloses the preparation method of above-mentioned medical packaging polyvinylidene dichloride (PVDC) copolymer latex in addition.
In order to realize above-mentioned purpose, the technical scheme below the present invention has adopted:
Polyvinylidene chloride (PVDC) copolymer latex for medicine packaging, this latex is formed by mix monomer, emulsifying agent, initiator, PH regulator, auxiliary agent, nano material copolymerization, wherein is made up of following component by the per-cent of mix monomer gross weight:
Vinylidene chloride 70%～96% acrylic ester monomer 3%～25%
Vinyl cyanide 2%～5% unsaturated fatty acids 0.5%～5%;
Wherein, it is following that emulsifying agent, initiator, PH regulator, auxiliary agent and nano material account for the per-cent of latex gross weight respectively:
Emulsifying agent 0.5%～2% initiator 0.02%～0.2%
PH regulator 0.005%～0.02% auxiliary agent 0.002%～0.01%
Nano material 0.003%～0.02%.
As preferably, form by following component by the per-cent of mix monomer gross weight:
Vinylidene chloride 88%～95% acrylic ester monomer 5%～20%
Vinyl cyanide 2%～5% unsaturated fatty acids 1%～3%.
As preferably, described acrylic ester monomer comprise methyl acrylate, TEB 3K, n-butyl acrylate, glycidyl acrylate, Isooctyl acrylate monomer one or more.
As preferably, described unsaturated fatty acids comprises a kind of or mixture of vinylformic acid, methylacrylic acid, methylene-succinic acid.
As preferably, described initiator comprises the redox system that initiator A and initiator B are formed, and initiator A is ammonium persulphate, Potassium Persulphate or t-butyl hydrogen peroxide, and initiator B is a rongalite.
As preferably, described emulsifying agent comprises one or more mixing among sodium laurylsulfonate, X 2073, SSS, 2-SEM, AMPS, SAS, OP-10, OP-35, NP-35, the NP-40.
As preferably, described PH regulator is a Glacial acetic acid min. 99.5, and auxiliary agent is an iron protochloride.
As preferably, described nano material is nanometer CaCO
3Or nanometer SiO
2
The present invention also discloses the preparation method of above-mentioned medical packaging polyvinylidene dichloride (PVDC) copolymer latex in addition; This method comprises the steps: 1. in reaction kettle, to add deionized water, emulsifying agent, PH regulator, auxiliary agent, nano material and part initiator; In reaction kettle, vacuumize, use nitrogen replacement, vacuumize then; Use nitrogen replacement, vacuumize again; 2. the weight in mix monomer is 100 parts, adds 10～30 parts of mix monomers in reaction kettle, cold dispersion half hour, be warmed up to 58 ℃～62 ℃ then, and begin to add the residue initiator that configures; 3. drop to a half of top pressure then when pressure, add 50～70 parts of mix monomers, the time is 10～15 hours, adds 5～15 parts of monomers then, and the time is 3～5 hours, and at the monomer that adds the residue umber, the time is 3～5 hours; 4. when pressure is reduced to negative pressure, be warmed up to 68～72 ℃, vacuumize to take off and inhaled 1.5～3 hours, cool to then below 35 ℃, filter with 120～200 purpose filtering nets.
The present invention has been owing to adopted above technical scheme, obtained medical packaging polyvinylidene dichloride copolymer latex to have a viscosity of latex low, flexibility is good, barrier is high, does not have the characteristics of brilliant point.
Embodiment
Through embodiment, technical scheme of the present invention is done further explanation below.
Embodiment 1
(1) still material:
Deionized water 40Kg sodium laurylsulfonate 0.7Kg
Glacial acetic acid min. 99.5 0.01Kg nanometer SiO
25g
T-butyl hydrogen peroxide 2g iron protochloride 5g;
(2) mix monomer:
Vinylidene chloride 51Kg vinyl cyanide 3Kg
N-butyl acrylate 4Kg methylacrylic acid 2Kg;
(3) initiator:
Initiator A: t-butyl hydrogen peroxide 0.08Kg
Deionized water 10Kg
Initiator B: rongalite 0.1Kg
Deionized water 10Kg.
(4) specific operation process:
1. in reaction kettle, add deionized water 40Kg, sodium laurylsulfonate 0.7Kg, Glacial acetic acid min. 99.5 0.01Kg, iron protochloride 0.005Kg, nanometer SiO
20.005Kg t-butyl hydrogen peroxide 0.002Kg vacuumizes in reaction kettle, uses nitrogen replacement, vacuumizes then, uses nitrogen replacement, vacuumizes again;
2. the weight in mix monomer is 100 parts, adds 20 parts of mix monomers in reaction kettle, cold dispersion half hour, be warmed up to 60 ℃ then, and begin to add the initiator that configures.
3. drop to a half of top pressure then when pressure, add 65 parts of mix monomers, the time is 13 hours, adds 10 fens monomers then, and the time is 4 hours, is adding remaining 5 parts of monomers, and the time is 4 hours.
4. when pressure is reduced to negative pressure, be warmed up to 70 ℃, vacuumize to take off and inhaled 2 hours, cool to then below 35 ℃, filter with 150 purpose filtering nets.
The polyvinylidene chloride (PVDC) copolymer latex for medicine packaging physical index that obtains is:
Solid content (%): 55-60;
The long power (mN/m) in surface:＜50;
Viscosity (mPa.s):＜30;
PH：1-3；
Density: 1.27-1.31.
Embodiment 2
The still material, initiator is identical with embodiment 1, and difference is to mix single consisting of:
Vinylidene chloride 50Kg vinyl cyanide 3Kg
N-butyl acrylate 6Kg vinylformic acid 3Kg.
The preparation method of embodiment 2 such as embodiment 1.
Embodiment 3
The still material, initiator is identical with embodiment 1, and difference is to mix single consisting of:
Vinylidene chloride 60Kg vinyl cyanide 2Kg
N-butyl acrylate 6Kg vinylformic acid 1Kg.
The preparation method of embodiment 2 such as embodiment 1.
Test Example
The polyvinylidene chloride (PVDC) copolymer latex for medicine packaging that adopts embodiment 1 to prepare is used to be coated with the PVC sheet and makes medicinal PVC/PCDC composite sheet, detects, and the result of detection is as shown in table 1.
The medicinal composite sheet assay of table 1
Claims (10)
1. polyvinylidene chloride (PVDC) copolymer latex for medicine packaging, it is characterized in that: this latex is formed by mix monomer, emulsifying agent, initiator, pH regulator agent, auxiliary agent, nano material copolymerization, wherein is made up of following component by the per-cent of mix monomer gross weight:
Vinylidene chloride 70%～96% n-butyl acrylate 3%～25%
Vinyl cyanide 2%～5% unsaturated fatty acids 0.5%～5%;
Above-mentioned monomeric total amount is 100%;
Wherein, it is following that emulsifying agent, initiator, pH regulator agent, auxiliary agent and nano material account for the per-cent of latex gross weight respectively:
Emulsifying agent 0.5%～2% initiator 0.02%～0.2%
PH regulator agent 0.005%～0.02% auxiliary agent 0.002%～0.01%
Nano material 0.003%～0.02%;
The preparation method of above-mentioned vinylidene chloride copolymer latex comprises the steps:
1. in reaction kettle, add deionized water, emulsifying agent, pH regulator agent, auxiliary agent, nano material and part initiator, in reaction kettle, vacuumize, use nitrogen replacement, vacuumize then, use nitrogen replacement, vacuumize again;
2. the weight in mix monomer is 100 parts, adds 10～30 parts of mix monomers in reaction kettle, cold dispersion half hour, be warmed up to 58 ℃～62 ℃ then, and begin to add the residue initiator that configures;
3. drop to a half of top pressure then when pressure, add 50～70 parts of mix monomers, the time is 10～15 hours, adds 5～15 parts of monomers then, and the time is 3～5 hours, and at the monomer that adds the residue umber, the time is 3～5 hours;
4. when pressure is reduced to negative pressure, be warmed up to 68～72 ℃, vacuumize to take off and inhaled 1.5～3 hours, cool to then below 35 ℃, filter with 120～200 purpose filtering nets.
2. polyvinylidene chloride (PVDC) copolymer latex for medicine packaging according to claim 1 is characterized in that: press the mix monomer gross weight
The per-cent meter of amount is made up of following component:
Vinylidene chloride 88%～95% n-butyl acrylate 5%～20%
Vinyl cyanide 2%～5% unsaturated fatty acids 1%～3%
Above-mentioned monomeric total amount is 100%.
3. polyvinylidene chloride (PVDC) copolymer latex for medicine packaging according to claim 1 and 2 is characterized in that: described unsaturated fatty acids comprises a kind of or mixture of vinylformic acid, methylacrylic acid, methylene-succinic acid.
4. polyvinylidene chloride (PVDC) copolymer latex for medicine packaging according to claim 1 and 2; It is characterized in that: described initiator comprises the redox system that initiator A and initiator B are formed; Initiator A is ammonium persulphate, Potassium Persulphate or t-butyl hydrogen peroxide, and initiator B is a rongalite.
5. polyvinylidene chloride (PVDC) copolymer latex for medicine packaging according to claim 1 and 2 is characterized in that: described emulsifying agent comprises one or more mixing among sodium laurylsulfonate, X 2073, SSS, AMPS, SAS, OP-10, NP-35, the NP-40.
6. polyvinylidene chloride (PVDC) copolymer latex for medicine packaging according to claim 1 and 2 is characterized in that: described pH regulator agent is a Glacial acetic acid min. 99.5, and auxiliary agent is an iron protochloride.
7. polyvinylidene chloride (PVDC) copolymer latex for medicine packaging according to claim 1 and 2 is characterized in that described nano material is nanometer CaCO
3Or nanometer SiO2.
8. a preparation method who prepares polyvinylidene chloride (PVDC) copolymer latex for medicine packaging according to claim 1 or claim 2 is characterized in that this method comprises the steps:
1. in reaction kettle, add deionized water, emulsifying agent, pH regulator agent, auxiliary agent, nano material and part initiator, in reaction kettle, vacuumize, use nitrogen replacement, vacuumize then, use nitrogen replacement, vacuumize again;
2. the weight in mix monomer is 100 parts, adds 10～30 parts of mix monomers in reaction kettle, cold dispersion half hour, be warmed up to 58 ℃～62 ℃ then, and begin to add the residue initiator that configures;
3. drop to a half of top pressure then when pressure, add 50～70 parts of mix monomers, the time is 10～15 hours, adds 5～15 parts of monomers then, and the time is 3～5 hours, and at the monomer that adds the residue umber, the time is 3～5 hours;
4. when pressure is reduced to negative pressure, be warmed up to 68～72 ℃, vacuumize to take off and inhaled 1.5～3 hours, cool to then below 35 ℃, filter with 120～200 purpose filtering nets.
9. medicinal PVC/PCDC composite sheet is characterized in that: this composite sheet employing polyvinylidene chloride (PVDC) copolymer latex for medicine packaging coating composite PVC sheet; Said latex is formed by mix monomer, emulsifying agent, initiator, pH regulator agent, auxiliary agent, nano material copolymerization, wherein is made up of following component by the per-cent of mix monomer gross weight:
Vinylidene chloride 70%～96% n-butyl acrylate 3%～25%
Vinyl cyanide 2%～5% unsaturated fatty acids 0.5%～5%;
Above-mentioned monomeric total amount is 100%;
Wherein, it is following that emulsifying agent, initiator, pH regulator agent, auxiliary agent and nano material account for the per-cent of latex gross weight respectively:
Emulsifying agent 0.5%～2% initiator 0.02%～0.2%
PH regulator agent 0.005%～0.02% auxiliary agent 0.002%～0.01%
Nano material 0.003%～0.02%.
10. medicinal PVC according to claim 9/PCDC composite sheet is characterized in that: said latex is made up of following component by the per-cent of mix monomer gross weight:
Vinylidene chloride 88%～95% n-butyl acrylate 5%～20%
Vinyl cyanide 2%～5% unsaturated fatty acids 1%～3%
Above-mentioned monomeric total amount is 100%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101020463A CN101649015B (en) | 2009-08-27 | 2009-08-27 | Polyvinylidene chloride (PVDC) copolymer latex for medicine packaging as well as preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101020463A CN101649015B (en) | 2009-08-27 | 2009-08-27 | Polyvinylidene chloride (PVDC) copolymer latex for medicine packaging as well as preparation method and application thereof |
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| CN101649015B true CN101649015B (en) | 2012-01-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103408688A (en) * | 2013-07-16 | 2013-11-27 | 浙江衢州巨塑化工有限公司 | Preparation method of PVDC composition |
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| CN103044603B (en) * | 2012-12-26 | 2016-03-16 | 海南必凯水性涂料有限公司 | Food packaging latex and its preparation method and application |
| CN103059202A (en) * | 2012-12-26 | 2013-04-24 | 海南必凯水性涂料有限公司 | Polyvinylidene chloride copolymer emulsion for pharmaceutical packing coating and preparation method and application thereof |
| CN103193918A (en) * | 2013-05-06 | 2013-07-10 | 南通瑞普埃尔生物工程有限公司 | Vinyl chloride-vinylidene chloride (VDC)/acrylic acid (AA)/methyl methacrylate (MMA)/acrylonitrile (AN) copolymerized polyvinyl dichloride (PVDC) emulsion and preparation method thereof |
| CN103275261B (en) * | 2013-05-13 | 2015-04-29 | 浙江科冠聚合物有限公司 | Soft rubber latex for automobile sponge |
| CN103275653A (en) * | 2013-05-13 | 2013-09-04 | 浙江科冠聚合物有限公司 | Acrylic plastic-plastic composite latex |
| CN103275262A (en) * | 2013-05-13 | 2013-09-04 | 浙江科冠聚合物有限公司 | Ultra-high blocking latex for food packaging |
| CN103275259B (en) * | 2013-05-13 | 2015-06-17 | 浙江科冠聚合物有限公司 | Method for preparing soft latex for automobile sponge |
| CN103275263A (en) * | 2013-05-13 | 2013-09-04 | 浙江科冠聚合物有限公司 | Method for preparing ultra-high blocking latex for food packaging |
| CN103342771B (en) * | 2013-07-19 | 2015-12-23 | 海南必凯水性涂料有限公司 | Special PVDC latex of a kind of internal lining paper and preparation method thereof |
| CN107699211A (en) * | 2017-09-27 | 2018-02-16 | 南通瑞普埃尔生物工程有限公司 | Oil recovery auxiliary agent is sustained emulsion and preparation method thereof with vinylidene chloride |
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| CN1523164A (en) * | 2003-09-10 | 2004-08-25 | 东阳市野风塑胶有限公司 | Process for preparing disposable paper dinnerware latex paint and method of applying |
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| CN1523164A (en) * | 2003-09-10 | 2004-08-25 | 东阳市野风塑胶有限公司 | Process for preparing disposable paper dinnerware latex paint and method of applying |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103408688A (en) * | 2013-07-16 | 2013-11-27 | 浙江衢州巨塑化工有限公司 | Preparation method of PVDC composition |
| CN103408688B (en) * | 2013-07-16 | 2016-03-16 | 浙江衢州巨塑化工有限公司 | A kind of preparation method of PVDC composition |
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| CN101649015A (en) | 2010-02-17 |
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