CN104119484B - A kind of hydroxypropyl methyl cellulose composite film material and preparation method thereof - Google Patents
A kind of hydroxypropyl methyl cellulose composite film material and preparation method thereof Download PDFInfo
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- CN104119484B CN104119484B CN201410284419.4A CN201410284419A CN104119484B CN 104119484 B CN104119484 B CN 104119484B CN 201410284419 A CN201410284419 A CN 201410284419A CN 104119484 B CN104119484 B CN 104119484B
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- methyl cellulose
- hydroxypropyl methyl
- film material
- cellulose composite
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- 239000000463 material Substances 0.000 title claims abstract description 67
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 title claims abstract description 50
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 title claims abstract description 50
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 title claims abstract description 50
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 239000002131 composite material Substances 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 229920001684 low density polyethylene Polymers 0.000 claims abstract description 23
- 239000004702 low-density polyethylene Substances 0.000 claims abstract description 23
- PMJHHCWVYXUKFD-SNAWJCMRSA-N (E)-1,3-pentadiene Chemical compound C\C=C\C=C PMJHHCWVYXUKFD-SNAWJCMRSA-N 0.000 claims abstract description 17
- QGLVWTFUWVTDEQ-UHFFFAOYSA-N 2-chloro-3-methoxyphenol Chemical compound COC1=CC=CC(O)=C1Cl QGLVWTFUWVTDEQ-UHFFFAOYSA-N 0.000 claims abstract description 17
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 claims abstract description 17
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims abstract description 16
- 238000001125 extrusion Methods 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims description 12
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 claims description 5
- 239000001863 hydroxypropyl cellulose Substances 0.000 claims description 5
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 claims description 5
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 5
- 230000004927 fusion Effects 0.000 abstract 1
- 239000010408 film Substances 0.000 description 27
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 6
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 6
- 239000000347 magnesium hydroxide Substances 0.000 description 6
- 239000010409 thin film Substances 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 229920000098 polyolefin Polymers 0.000 description 4
- 239000003513 alkali Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229930013930 alkaloid Natural products 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229940017219 methyl propionate Drugs 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
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- Manufacture Of Macromolecular Shaped Articles (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention relates to a kind of hydroxypropyl methyl cellulose composite film material and preparation method thereof, a kind of hydroxypropyl methyl cellulose composite film material is made up of according to weight ratio following component: hydroxypropyl methyl cellulose is 19～24 parts, propionate is 12～17 parts, benzyl propionate is 4～6 parts, pentadiene is 5～10 parts, Low Density Polyethylene is 4～8 parts, glutaraldehyde is 3～4 parts.The preparation method of described hydroxypropyl methyl cellulose composite film material includes the program such as high-temperature fusion, machinery extrusion, compressing, oriented film.The hydroxypropyl methyl cellulose composite film material prepared has the best corrosion resistance, can preferably meet its application at some extreme environments.
Description
Technical field
The invention belongs to polymeric material field, relate to a kind of composite film material and preparation method thereof, particularly relate to a kind of hydroxypropyl methyl cellulose composite film material and preparation method thereof.
Background technology
Plastic sheeting mostly is polyolefin based materials and prepares, and these polyolefin based materials have extraordinary ductility and draftability, under the conditions of going for different uses.Although the thin film that polyolefin based materials prepares has good draftability, but it is poor to the toleration of soda acid under extreme acid or alkali environment.Under specific sour environment or alkaline environment, long contact acid and alkaloids, can corrode the polyolefin film of correspondence, and then have impact on its time used.For the resistance to acids and bases of raising plastic sheeting, need the component of thin-film material is reconfigured, improve the corrosion resistance of the composite film material prepared.
Summary of the invention
Solve the technical problem that: the poor-performing of the acid-alkali-corrosive-resisting of conventional low-density polyethylene film, after Long contact time acid or alkali, polyethylene film has and decomposes and the situation generation of condensation, these problems existed, and limits the use of the low-density polyethylene film of routine.
Technical scheme: for the problems referred to above, the invention discloses a kind of hydroxypropyl methyl cellulose composite film material, and described hydroxypropyl methyl cellulose composite film material is made up of according to weight ratio following component:
Hydroxypropyl methyl cellulose
19～24 parts,
Propionate
12～17 parts,
Benzyl propionate
4～6 parts,
Pentadiene
5～10 parts,
Low Density Polyethylene
4～8 parts,
Glutaraldehyde
3～4 parts.
Described a kind of hydroxypropyl methyl cellulose composite film material is preferably made up of according to weight ratio following component:
Hydroxypropyl methyl cellulose
22～24 parts,
Propionate
12～14 parts,
Benzyl propionate
4～5 parts,
Pentadiene
5～8 parts,
Low Density Polyethylene
4～6 parts,
Glutaraldehyde
3～4 parts.
Described a kind of hydroxypropyl methyl cellulose composite film material, preparation method comprises the steps:
(1) take hydroxypropyl methyl cellulose be 19～24 parts, propionate be 12～17 parts, benzyl propionate be 4～6 parts, hydroxypropyl methyl cellulose, propionate, three kinds of materials of benzyl propionate are added heat fusing, is heated to being stirred melting by three kinds of materials after temperature is 155～165 DEG C；
(2) keep temperature-resistant, again the mixing material in step (1) adds pentadiene be 5～10 parts, Low Density Polyethylene be 4～8 parts, glutaraldehyde be 3～4 parts, by pentadiene, Low Density Polyethylene, glutaraldehyde and to mix material mixing uniform, obtain the hydroxypropyl cellulose composite melted；
(3) melted composite carrying out high temperature extrusion, extrusion temperature interval is: the first interval is 170～180 DEG C, and the second interval is 180～195 DEG C, and the 3rd interval is 195～205 DEG C；
(4) the hydroxypropyl methyl cellulose composite after extruding is carried out tabletting and stretching, prepare hydroxypropyl methyl cellulose composite film material.
The preparation method of described a kind of hydroxypropyl methyl cellulose composite film material, temperature is preferably heated to 160 DEG C by step (1).
The preparation method of described a kind of hydroxypropyl methyl cellulose composite film material, the hydroxypropyl methyl cellulose described in preparation method is preferably 22 parts.
The hydroxypropyl methyl cellulose composite film material of the present invention, by adding hydroxypropyl methyl cellulose and propionate, effectively raises the corrosion resistance of the hydroxypropyl methyl cellulose film material prepared.
Beneficial effect: the preparation method of the present invention prepares hydroxypropyl methyl cellulose film material and has good anticorrosion effect, 1h to 3h rear film material is placed without condensation decomposing phenomenon in the acetum of 0.1mol/L and the magnesium hydroxide solution of 0.1mol/L, and the low-density polyethylene film of routine is in same test, occur in that deformation phenomenon.
Detailed description of the invention
Embodiment 1
(1) take hydroxypropyl methyl cellulose be 22kg, propionate be 14kg, benzyl propionate be 5kg, hydroxypropyl methyl cellulose, propionate, three kinds of materials of benzyl propionate are added heat fusing, is heated to being stirred melting by three kinds of materials after temperature is 155 DEG C；(2) keep temperature-resistant, again in the mixing material in step (1) add pentadiene be 8kg, Low Density Polyethylene be 6kg, glutaraldehyde be 3kg, by pentadiene, Low Density Polyethylene, glutaraldehyde and to mix material mixing uniform, obtain the hydroxypropyl cellulose composite melted；(3) melted composite carrying out high temperature extrusion, extrusion temperature interval is: the first interval is 170 DEG C, and the second interval is 190 DEG C, and the 3rd interval is 195 DEG C；(4) the hydroxypropyl methyl cellulose composite after extruding is carried out tabletting and stretching, prepare hydroxypropyl methyl cellulose composite film material.
After 3h placed in the acetum of 0.1mol/L and the magnesium hydroxide solution of 0.1mol/L by the thin-film material of embodiment 1, nothing is decomposed and other qualitative change.
Embodiment 2
(1) take hydroxypropyl methyl cellulose be 24kg, propionate be 17kg, benzyl propionate be 4kg, hydroxypropyl methyl cellulose, propionate, three kinds of materials of benzyl propionate are added heat fusing, is heated to being stirred melting by three kinds of materials after temperature is 155 DEG C；(2) keep temperature-resistant, again in the mixing material in step (1) add pentadiene be 5kg, Low Density Polyethylene be 4kg, glutaraldehyde be 4kg, by pentadiene, Low Density Polyethylene, glutaraldehyde and to mix material mixing uniform, obtain the hydroxypropyl cellulose composite melted；(3) melted composite carrying out high temperature extrusion, extrusion temperature interval is: the first interval is 180 DEG C, and the second interval is 195 DEG C, and the 3rd interval is 205 DEG C；(4) the hydroxypropyl methyl cellulose composite after extruding is carried out tabletting and stretching, prepare hydroxypropyl methyl cellulose composite film material.
After 2h placed in the acetum of 0.1mol/L and the magnesium hydroxide solution of 0.1mol/L by the thin-film material of embodiment 2, nothing is decomposed and other qualitative change.
Embodiment 3
(1) take hydroxypropyl methyl cellulose be 19kg, propionate be 12kg, benzyl propionate be 6kg, hydroxypropyl methyl cellulose, propionate, three kinds of materials of benzyl propionate are added heat fusing, is heated to being stirred melting by three kinds of materials after temperature is 155 DEG C；(2) keep temperature-resistant, again in the mixing material in step (1) add pentadiene be 10kg, Low Density Polyethylene be 8kg, glutaraldehyde be 3kg, by pentadiene, Low Density Polyethylene, glutaraldehyde and to mix material mixing uniform, obtain the hydroxypropyl cellulose composite melted；(3) melted composite carrying out high temperature extrusion, extrusion temperature interval is: the first interval is 175 DEG C, and the second interval is 180 DEG C, and the 3rd interval is 200 DEG C；(4) the hydroxypropyl methyl cellulose composite after extruding is carried out tabletting and stretching, prepare hydroxypropyl methyl cellulose composite film material.
After 1h placed in the acetum of 0.1mol/L and the magnesium hydroxide solution of 0.1mol/L by the thin-film material of embodiment 3, nothing is decomposed and other qualitative change.
Embodiment 4
(1) taking benzyl propionate is 5kg, and three kinds of materials of benzyl propionate are added heat fusing, is heated to being stirred melting by three kinds of materials after temperature is 155 DEG C；(2) keep temperature-resistant, again in the mixing material in step (1) add pentadiene be 8kg, Low Density Polyethylene be 6kg, glutaraldehyde be 3kg, by pentadiene, Low Density Polyethylene, glutaraldehyde and to mix material mixing uniform, obtain the composite melted；(3) melted composite carrying out high temperature extrusion, extrusion temperature interval is: the first interval is 170 DEG C, and the second interval is 195 DEG C, and the 3rd interval is 205 DEG C；(4) composite after extruding is carried out tabletting and stretching, prepare hydroxypropyl methyl cellulose composite film material.
The thin-film material of embodiment 4 produces form and qualitative change after placing 1h in the acetum of 0.1mol/L and the magnesium hydroxide solution of 0.1mol/L, and corrosion phenomenon is more serious.
Embodiment 5
Taking low-density polyethylene film material, low-density polyethylene film material is placed in the acetum of 0.1mol/L and the magnesium hydroxide solution of 0.1mol/L 1h, after 1h, low-density polyethylene film material corrosion phenomenon is more serious.
Claims (3)
1. a hydroxypropyl methyl cellulose composite film material, it is characterised in that described hydroxypropyl methyl cellulose composite film material is made up of according to weight ratio following component:
Hydroxypropyl methyl cellulose
19～24 parts,
Propionate
12～17 parts,
Benzyl propionate
4～6 parts,
Pentadiene
5～10 parts,
Low Density Polyethylene
4～8 parts,
Glutaraldehyde
3～4 parts；
Described a kind of hydroxypropyl methyl cellulose composite film material is prepared by following preparation method:
(1) take hydroxypropyl methyl cellulose be 19～24 parts, propionate be 12～17 parts, benzyl propionate be 4～6 parts, hydroxypropyl methyl cellulose, propionate, three kinds of materials of benzyl propionate are added heat fusing, is heated to being stirred melting by three kinds of materials after temperature is 155～165 DEG C；
(2) keep temperature-resistant, again the mixing material in step (1) adds pentadiene be 5～10 parts, Low Density Polyethylene be 4～8 parts, glutaraldehyde be 3～4 parts, by pentadiene, Low Density Polyethylene, glutaraldehyde and to mix material mixing uniform, obtain the hydroxypropyl cellulose composite melted；
(3) melted composite carrying out high temperature extrusion, extrusion temperature interval is: the first interval is 170～180 DEG C, and the second interval is 180～195 DEG C, and the 3rd interval is 195～205 DEG C；
(4) the hydroxypropyl methyl cellulose composite after extruding is carried out tabletting and stretching, prepare hydroxypropyl methyl cellulose composite film material.
A kind of hydroxypropyl methyl cellulose composite film material the most according to claim 1, it is characterised in that described hydroxypropyl methyl cellulose composite film material is made up of according to weight ratio following component:
Hydroxypropyl methyl cellulose
22～24 parts,
Propionate
12～14 parts,
Benzyl propionate
4～5 parts,
Pentadiene
5～8 parts,
Low Density Polyethylene
4～6 parts,
Glutaraldehyde
3～4 parts.
A kind of hydroxypropyl methyl cellulose composite film material the most according to claim 1, it is characterised in that in described preparation method, temperature is heated to 160 DEG C by step (1).
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|---|---|---|---|
| CN201410284419.4A CN104119484B (en) | 2014-06-23 | 2014-06-23 | A kind of hydroxypropyl methyl cellulose composite film material and preparation method thereof |
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| CN104119484B true CN104119484B (en) | 2016-10-05 |
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| CN109265753A (en) * | 2018-08-21 | 2019-01-25 | 浙江理工大学 | A kind of hydroxypropyl methyl cellulose packaging material and preparation method thereof that water solubility is controllable |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03166232A (en) * | 1989-10-05 | 1991-07-18 | Biodata Oy | Biodegradable film for coxer and its manufacture |
| JP2002128138A (en) * | 1991-04-05 | 2002-05-09 | Rhone Poulenc Agriculture Ltd | Water-soluble package |
| CN103265730A (en) * | 2013-05-23 | 2013-08-28 | 苏州富通高新材料科技股份有限公司 | Degradable film containing starch and preparation method of degradable film |
| CN103273699A (en) * | 2013-05-21 | 2013-09-04 | 昆山好利达包装有限公司 | Antimicrobial milk powder packaging film |
-
2014
- 2014-06-23 CN CN201410284419.4A patent/CN104119484B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03166232A (en) * | 1989-10-05 | 1991-07-18 | Biodata Oy | Biodegradable film for coxer and its manufacture |
| JP2002128138A (en) * | 1991-04-05 | 2002-05-09 | Rhone Poulenc Agriculture Ltd | Water-soluble package |
| CN103273699A (en) * | 2013-05-21 | 2013-09-04 | 昆山好利达包装有限公司 | Antimicrobial milk powder packaging film |
| CN103265730A (en) * | 2013-05-23 | 2013-08-28 | 苏州富通高新材料科技股份有限公司 | Degradable film containing starch and preparation method of degradable film |
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