CN107337874A - A kind of PVC/LDPE drug packing materials and preparation method thereof - Google Patents
A kind of PVC/LDPE drug packing materials and preparation method thereof Download PDFInfo
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- CN107337874A CN107337874A CN201710512076.6A CN201710512076A CN107337874A CN 107337874 A CN107337874 A CN 107337874A CN 201710512076 A CN201710512076 A CN 201710512076A CN 107337874 A CN107337874 A CN 107337874A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention belongs to packaging material field, is related to a kind of packaging material and preparation method thereof, more particularly to a kind of PVC/LDPE drug packing materials and preparation method thereof.The packaging material is by 60 80 parts of polyvinyl chloride resin, 20 40 parts of LDPE resin, modified 8 12 parts of reinforcing material, 15 25 parts of plasticizer, 0.5 2 parts of antioxidant, 15 parts of bulking agent, 13 parts of calcium/zinc heat stabilizer, 38 parts of toughener, 5 10 parts of compositions of processing aid.A kind of PVC/LDPE drug packing materials in the present invention have good toughness and impact strength, elongation at break height, good biocompatibility and high oxygen permeability, be particularly suitable for use in medical field, and preparation method is simple, production efficiency is high, it is easy to accomplish industrial-scale production.
Description
Technical field
The invention belongs to packaging material field, is related to a kind of packaging material and preparation method thereof, more particularly to one kind
PVC/LDPE drug packing materials and preparation method thereof.
Background technology
The selection of packaging material is for maintaining the germ-free condition of aseptic material to play vital effect, and sterilizing skill
The important step of art, therefore, correct selection packaging material are to ensure sterilization quality, reduce cost, reduce consumptive material expense, mitigate work
Bear, improve the premise of operating efficiency.Key works Drug packing is an indispensable important step in pharmaceutical production.One good
Key works Drug packing can not only play effect attractive in appearance, but also have the function that to maintain drug safety, stability, validity.Doctor
There is wider purposes in medical field with packaging material, medical package material must be allowed for effectively penetrating for selected bactericidal agent,
And the correlated condition suitable for other sterilizing methods.Medical package material will also ensure the contents before packaging is opened
Aseptic.Medical packaging material should also be easy to its user to open sterile working when packing, and in can not therefore polluting
The article contained.Article in other medical aseptic packaging material must also keep aseptic when in use.
The excellent performance of polyvinyl chloride resin causes it to be widely used in infant food and consumptive material packaging, medical equipment, Er Tongwan
The fields such as tool.(including PP, PVC, PC etc.) in all high polymer materials for being applied to medicine equipment or medical article,
PVC occupies nearly 2/5 market share.And due to its preferable biocompatibility, excellent biologically inert, antibacterial ability
And high transparency and good mechanical property, plus its cheap cost, Corvic material can just occupy medical material
Expect the so big market share in market.Yet with the fault of construction of polyvinyl chloride resin, Cl atoms in its molecular structure easily by
The influence of external condition, HCl molecules are easily removed under the conditions of high temperature and illumination are inferior, so as to form double bond structure, and
And the HCl molecules of removing can be catalyzed PVC thermal decomposition effect in turn, aggravation forms double bond structure, and the presence of double bond structure,
The problems such as causing hydraulic performance decline, the discoloration of material.In addition polyvinyl chloride molecule above-mentioned is due to the chlorine atom of high level
In the presence of so that it has certain polarity, and rigid state is presented in molecular structure at normal temperatures, is not easy activity, crisp so as to show
Firmly, the characteristics of poor toughness.These defects limit the application of polyvinyl chloride.Due to it is above-mentioned the defects of so that in daily production,
PVC can not individually be processed use, but need to add various auxiliary agents, maximize favourable factors and minimize unfavourable ones, be just avoided that defect, given play to its
Excellent properties.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of PVC/LDPE drug packing materials and preparation method thereof, system
Standby material has good toughness and impact strength, elongation at break height, good biocompatibility and high oxygen permeability.
In order to achieve the above object, the present invention adopts the following technical scheme that：
A kind of PVC/LDPE drug packing materials, polyvinyl chloride resin and LDPE resin sum are 100 parts, the weight of raw material composition
Number is：Polyvinyl chloride resin 60-80 parts, LDPE resin 20-40 parts, modified reinforcing material 8-12 parts, plasticizer 15-25 parts, antioxidant
0.5-2 parts, bulking agent 1-5 parts, calcium/zinc heat stabilizer 1-3 parts, toughener 3-8 parts, processing aid 5-10 parts.
Further, polyvinyl chloride resin described above be high polymer made from suspension method polyvinyl chloride resin, degree of polymerization 800-
1200, the μ g/g of the amount of residue of chlorethylene of resin≤0.5.
Further, modification reinforcing material described above is 5 by mass ratio：The modified glass fibre peacekeeping of (2-3) is modified and received
Rice silica composition, wherein modified glass-fiber is mixed by glass fibre with its weight 10-20% surfactant KH560
Form, modified manometer silicon dioxide be nano silicon and its weight 5-8% surfactant KH550 and with its weight
0.5-1% phenol mixes.
Further, plasticizer described above is that the mass ratio of citrate and epoxidized soybean oil is (1-5)：1；The lemon
Lemon acid esters is one in ATBC, acetyl tributyl citrate three (2- ethylhexyls), three positive ethyl ester of butyryl citric acid
Kind.
Further, antioxidant described above is diisooctyl phenyl phosphite, trisnonyl phenyl phosphite, phosphorous acid three
One kind in (2,4- di-tert-butyl-phenyl) ester.
Further, bulking agent described above is ethylene-vinyl acetate grafted maleic anhydride, polycthylene grafted maleic acid
One kind in acid anhydride.
Further, calcium/zinc heat stabilizer described above is the calcium stearate by 40-50%, 15-20% zinc naphthenate,
5-10% zinc stearate, the compound of 20-30% polyvinyl alcohol composition.
Further, toughener described above is ethylene-octene copolymer, nitrile rubber, one kind of ethylene-propylene diene copolymer.
Further, processing aid described above is made up of the raw material of following weight parts：Polydicyclopentadiene 20-30
Part, calcium carbonate 1-5 parts, polyethylene glycol 1-5 parts, glycerine 3-5 parts, methacrylic acid 3-5 parts, cellulose acetate 2-6 parts, alginic acid
Sodium 3-5 parts, sodium tripolyphosphate 0.3-0.6 parts, sodium xylene sulfonate 0.8-3 parts, emulsified wax 1-5 parts；By will be above-mentioned poly bis
Cyclopentadiene heats 20-30min at 200-220 DEG C, discharging cooling, calcium carbonate and cellulose acetate is added, after being stirred
Ball milling, remaining each raw material is added, 100-200r/min is dispersed with stirring 3-5min, dries, and crosses 80-120 mesh sieves, produces described
Processing aid.
Further, a kind of preparation method of PVC/LDPE drug packing materials, specifically comprises the following steps：
(1) citrate and epoxidized soybean oil are proportionally added into stainless steel, the 120- at 40-60 DEG C of temperature
It is standby after 150r.p.m rotating speed is well mixed；
(2) by polyvinyl chloride resin and LDPE resin input high-speed mixer, rotating speed is adjusted to 400r.p.m, then adds and is modified
Reinforcing material, plasticizer, antioxidant, calcium/zinc heat stabilizer, toughener, processing aid, continue stirring to 50-60 DEG C of temperature, add
Enter and rotating speed is risen into 1500-1800r.p.m after plasticizer, after 1-2h again plus bulking agent continues mixed at high speed to temperature of charge and reached
120-130 DEG C, cooling mixing machine is put into after mixing 30-40min, treats temperature of charge to 40-50 DEG C of discharging；
(3) material through cooling is added into double-screw extruding pelletizing machine, the area's temperature of machine barrel four is respectively：First stage is
120-130 DEG C, second stage is 130-150 DEG C, and the phase III is 150-170 DEG C, and fourth stage is 180-200 DEG C, die head temperature
Spend for 180-190 DEG C；
(4) after the extruded plasticizing of material is cooled to 30-40 DEG C after being granulated, packed for standby use.
The device have the advantages that：
(1) a kind of PVC/LDPE drug packing materials of the invention, from maleic anhydride graft type bulking agent, not only have
Excellent viscosity, and compatibility of each material in resin can be increased, there is preferably synergy with modified reinforcing material,
So that the anti-impact and toughness of material are greatly improved, there is higher mechanical property.
(2) a kind of PVC/LDPE drug packing materials of the invention, using the compound increasing of citrate and epoxidized soybean oil
Agent is moulded, has the characteristics that plasticizing efficiency height, resistance to migration can be well and excellent in compatibility；Contain polyhydroxy, Ke Yiti in its segment
The processing characteristics of high PVC composite, good elastic and longer service life is made it have, is advantageous to meet medical field
Packaging demand.
(3) a kind of PVC/LDPE drug packing materials in the present invention have good toughness and impact strength, and fracture is stretched
Long rate height, good biocompatibility and high oxygen permeability, be particularly suitable for use in medical field, and preparation method is simple, production efficiency is high, is easy to
Realize industrial-scale production.
Embodiment
Embodiment 1
A kind of PVC/LDPE drug packing materials, the parts by weight of raw material composition are：
80 parts of polyvinyl chloride resin
20 parts of LDPE resin
Modified 10 parts of reinforcing material
20 parts of plasticizer
1 part of trisnonyl phenyl phosphite
3 parts of ethylene-vinyl acetate grafted maleic anhydride
3 parts of calcium/zinc heat stabilizer
5 parts of ethylene-octene copolymer
10 parts of processing aid
Described polyvinyl chloride resin be high polymer made from suspension method polyvinyl chloride resin, the degree of polymerization 1200, the chloroethene of resin
The μ g/g of alkene residual quantity≤0.5.
Described modification reinforcing material is 5 by mass ratio：2 modified glass fibre peacekeeping modified manometer silicon dioxide composition,
Wherein modified glass-fiber is mixed by glass fibre and the surfactant KH560 of its weight 20%, modified nano-silica
SiClx is that nano silicon mixes with the surfactant KH550 of its weight 8% and with the phenol of its weight 1%.
Described plasticizer is that the mass ratio of ATBC and epoxidized soybean oil is 3：1.
Calcium/the zinc heat stabilizer is by 50% calcium stearate, 20% zinc naphthenate, 5% zinc stearate 30%
Polyvinyl alcohol composition compound.
Described processing aid is made up of the raw material of following weight parts：30 parts of polydicyclopentadiene, 1 part of calcium carbonate, gather
3 parts of ethylene glycol, 5 parts of glycerine, 4 parts of methacrylic acid, 4 parts of cellulose acetate, 3 parts of sodium alginate, 0.3 part of sodium tripolyphosphate, two
1 part of toluenesulfonic acid sodium salt, 3 parts of emulsified wax；By the way that above-mentioned polydicyclopentadiene is heated into 20min at 200 DEG C, discharging cools down,
Calcium carbonate and cellulose acetate are added, is stirred rear ball milling, adds remaining each raw material, 100r/min is dispersed with stirring 3-
5min, dry, cross 80-120 mesh sieves, produce the processing aid.
A kind of preparation method of PVC/LDPE drug packing materials, specifically comprises the following steps：
(1) citrate and epoxidized soybean oil are proportionally added into stainless steel, the 120- under temperature 50 C
It is standby after 150r.p.m rotating speed is well mixed；
(2) by polyvinyl chloride resin and LDPE resin input high-speed mixer, rotating speed is adjusted to 400r.p.m, then adds and is modified
Reinforcing material, plasticizer, antioxidant, calcium/zinc heat stabilizer, toughener, processing aid, continue stirring to temperature 60 C, add
Rotating speed is risen into 1500r.p.m after plasticizer, adds bulking agent to continue mixed at high speed to temperature of charge again after 1-2h and reaches 120 DEG C,
Cooling mixing machine is put into after mixing 30-40min, treats temperature of charge to 40 DEG C of dischargings；
(3) material through cooling is added into double-screw extruding pelletizing machine, the area's temperature of machine barrel four is respectively：First stage is
120-130 DEG C, second stage is 130-150 DEG C, and the phase III is 150-170 DEG C, and fourth stage is 180-200 DEG C, die head temperature
Spend for 180-190 DEG C；
(4) after the extruded plasticizing of material is cooled to 30 DEG C after being granulated, packed for standby use.
Compared with embodiment 1, difference is as shown in table 1 by embodiment 2-5, comparative example 1-5：
Table 1
Performance test is carried out to material by standard, as a result as shown in table 2：
Table 2
It is complete by above-mentioned description, relevant staff using the above-mentioned desirable embodiment according to the present invention as enlightenment
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.
Claims (10)
- A kind of 1. PVC/LDPE drug packing materials, it is characterised in that：Polyvinyl chloride resin and LDPE resin sum are 100 parts, raw material group Into parts by weight be：Polyvinyl chloride resin 60-80 parts, LDPE resin 20-40 parts, modified reinforcing material 8-12 parts, plasticizer 15-25 Part, antioxidant 0.5-2 parts, bulking agent 1-5 parts, calcium/zinc heat stabilizer 1-3 parts, toughener 3-8 parts, processing aid 5-10 parts.
- A kind of 2. PVC/LDPE drug packing materials, it is characterised in that：Described polyvinyl chloride resin is high polymer made from suspension method Polyvinyl chloride resin, degree of polymerization 800-1200, the μ g/g of the amount of residue of chlorethylene of resin≤0.5.
- A kind of 3. PVC/LDPE drug packing materials, it is characterised in that：Described modification reinforcing material is 5 by mass ratio：(2-3) Modified glass fibre peacekeeping modified manometer silicon dioxide composition, wherein modified glass-fiber is by glass fibre and its weight 10- 20% surfactant KH560 is mixed, and modified manometer silicon dioxide is the table of nano silicon and its weight 5-8% Face activating agent KH550 and mixed with its weight 0.5-1% phenol.
- A kind of 4. PVC/LDPE drug packing materials, it is characterised in that：Described plasticizer is citrate and epoxidized soybean oil Mass ratio be (1-5)：1；The citrate be ATBC, acetyl tributyl citrate three (2- ethylhexyls), One kind in three positive ethyl ester of butyryl citric acid.
- A kind of 5. PVC/LDPE drug packing materials, it is characterised in that：Described antioxidant is diisooctyl phenyl phosphite, Asia One kind in tricresyl phosphate nonyl phenyl ester, phosphorous acid three (2,4- di-tert-butyl-phenyl) ester.
- A kind of 6. PVC/LDPE drug packing materials, it is characterised in that：Described bulking agent is that ethylene-vinyl acetate is grafted horse The one kind come in acid anhydrides, Research of Grafting Malaic Anhydride Onto Polyethylene.
- A kind of 7. PVC/LDPE drug packing materials, it is characterised in that：Calcium/the zinc heat stabilizer is the tristearin by 40-50% Sour calcium, 15-20% zinc naphthenate, 5-10% zinc stearate, the compound of 20-30% polyvinyl alcohol composition.
- A kind of 8. PVC/LDPE drug packing materials, it is characterised in that：Described toughener is ethylene-octene copolymer, butyronitrile One kind of rubber, ethylene-propylene diene copolymer.
- A kind of 9. PVC/LDPE drug packing materials, it is characterised in that：Described processing aid is the raw material by following weight parts Composition：Polydicyclopentadiene 20-30 parts, calcium carbonate 1-5 parts, polyethylene glycol 1-5 parts, glycerine 3-5 parts, methacrylic acid 3-5 parts, Cellulose acetate 2-6 parts, sodium alginate 3-5 parts, sodium tripolyphosphate 0.3-0.6 parts, sodium xylene sulfonate 0.8-3 parts, emulsification stone Wax 1-5 parts；By the way that above-mentioned polydicyclopentadiene heated into 20-30min at 200-220 DEG C, discharging cooling, add calcium carbonate and Cellulose acetate, rear ball milling being stirred, add remaining each raw material, 100-200r/min is dispersed with stirring 3-5min, dries, 80-120 mesh sieves are crossed, produce the processing aid.
- A kind of 10. preparation method of PVC/LDPE drug packing materials as described in claim 1-9 is any, it is characterised in that： Specifically comprise the following steps：(1) citrate and epoxidized soybean oil are proportionally added into stainless steel, the 120-150r.p.m at 40-60 DEG C of temperature Rotating speed it is well mixed after it is standby；(2) by polyvinyl chloride resin and LDPE resin input high-speed mixer, rotating speed is adjusted to 400r.p.m, then adds modified enhancing Material, plasticizer, antioxidant, calcium/zinc heat stabilizer, toughener, processing aid, continue stirring to 50-60 DEG C of temperature, add and increase Rotating speed is risen into 1500-1800r.p.m after modeling agent, adds bulking agent to continue mixed at high speed to temperature of charge again after 1-2h and reaches 120- 130 DEG C, cooling mixing machine is put into after mixing 30-40min, treats temperature of charge to 40-50 DEG C of discharging；(3) material through cooling is added into double-screw extruding pelletizing machine, the area's temperature of machine barrel four is respectively：First stage is 120- 130 DEG C, second stage is 130-150 DEG C, and the phase III is 150-170 DEG C, and fourth stage is 180-200 DEG C, and die head temperature is 180-190℃；(4) after the extruded plasticizing of material is cooled to 30-40 DEG C after being granulated, packed for standby use.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109535592A (en) * | 2018-11-15 | 2019-03-29 | 宿迁市春明医疗器材有限公司 | A kind of medical infusion lines tubing |
| CN112143065A (en) * | 2019-06-28 | 2020-12-29 | 合肥杰事杰新材料股份有限公司 | Toughening agent, PVC (polyvinyl chloride) pipe material and preparation method thereof |
| CN113981450A (en) * | 2021-10-28 | 2022-01-28 | 兰溪市同力铝业股份有限公司 | Diacid parabolic for aluminum alloy oxidation process and preparation method thereof |
| US20220177672A1 (en) * | 2019-06-12 | 2022-06-09 | Lg Chem, Ltd. | Plasticizer composition and resin composition comprising the same |
| CN116948320A (en) * | 2023-05-29 | 2023-10-27 | 惠州市元塑高分子材料有限公司 | Super-soft high-elasticity wear-resistant silica gel-like PVC (polyvinyl chloride) and manufacturing method thereof |
| KR102615316B1 (en) * | 2023-01-12 | 2023-12-19 | 유상근 | PVC sheet using recycled raw materials and manufacturing method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109535592A (en) * | 2018-11-15 | 2019-03-29 | 宿迁市春明医疗器材有限公司 | A kind of medical infusion lines tubing |
| US20220177672A1 (en) * | 2019-06-12 | 2022-06-09 | Lg Chem, Ltd. | Plasticizer composition and resin composition comprising the same |
| US11939453B2 (en) * | 2019-06-12 | 2024-03-26 | Lg Chem, Ltd. | Plasticizer composition and resin composition comprising the same |
| CN112143065A (en) * | 2019-06-28 | 2020-12-29 | 合肥杰事杰新材料股份有限公司 | Toughening agent, PVC (polyvinyl chloride) pipe material and preparation method thereof |
| CN112143065B (en) * | 2019-06-28 | 2022-04-26 | 合肥杰事杰新材料股份有限公司 | Toughening agent, PVC (polyvinyl chloride) pipe material and preparation method thereof |
| CN113981450A (en) * | 2021-10-28 | 2022-01-28 | 兰溪市同力铝业股份有限公司 | Diacid parabolic for aluminum alloy oxidation process and preparation method thereof |
| KR102615316B1 (en) * | 2023-01-12 | 2023-12-19 | 유상근 | PVC sheet using recycled raw materials and manufacturing method thereof |
| CN116948320A (en) * | 2023-05-29 | 2023-10-27 | 惠州市元塑高分子材料有限公司 | Super-soft high-elasticity wear-resistant silica gel-like PVC (polyvinyl chloride) and manufacturing method thereof |
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Application publication date: 20171110 |