CN108912636A - It is a kind of can biology base degradation medical infusion tube material and preparation method thereof - Google Patents
It is a kind of can biology base degradation medical infusion tube material and preparation method thereof Download PDFInfo
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- CN108912636A CN108912636A CN201810936454.8A CN201810936454A CN108912636A CN 108912636 A CN108912636 A CN 108912636A CN 201810936454 A CN201810936454 A CN 201810936454A CN 108912636 A CN108912636 A CN 108912636A
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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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
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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
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
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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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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Biological Depolymerization Polymers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
The invention discloses it is a kind of can biology base degradation medical infusion tube material and preparation method thereof, formula is made of by weight the following raw material：It is 15-25 parts of poly butylene succinate, 35-45 parts of polylactic acid, 15-25 parts of maleic anhydride, 3.5-4.5 parts of 2.5- dimethyl -2.5- bis(t-butylperoxy) hexane, 2.5-3.5 parts of ethylene methyl acrylate grafted methacrylic acid shrink, 3.5-4.5 parts of glyceride, 3-5 parts of tributyl 2-acetylcitrate, 20-40 parts of modified starch, functional aid 2.5-3.5 parts other.Medical infusion lines made from inventive formulation have good toughness, resist chemical, gas steam low-permeability good, and comprehensive mechanical performance, the product transparency are good, and the medical infusion lines are degradable, not will cause environmental pollution.
Description
Technical field
The present invention relates to a kind of degradation plastic, it is specifically a kind of can biology base degradation medical infusion tube material and its system
Preparation Method.
Background technique
Medical infusion lines are the general names for being connected to the lumen product inside and outside human body.There is the production of the different materials such as metal, plastics, rubber
Product.It is widely used in terms of drain, perfusion, dispensing, blood sampling, transmission as going the same way.Medical infusion lines have many
Advantage：Resist chemical, gas steam low-permeability are good, and comprehensive mechanical performance, the product transparency are good etc., while being also cost performance
Universal material the most superior.But since medical infusion lines belong to disposable medical article, it cannot reuse, if do not had
By strictly recycling, will be unable to voluntarily degrade, because inconvenience recycling can also aggravate environmental pollution.
Summary of the invention
The present invention provides it is a kind of can biology base degradation medical infusion tube material and preparation method thereof, to solve above-mentioned skill
Art problem.
It is a kind of can biology base degradation medical infusion tube material, be made of by weight the following raw material：Poly-succinic fourth two
15-25 parts of alcohol ester, 35-45 parts of polylactic acid, 15-25 parts of maleic anhydride, 2.5- dimethyl -2.5- bis(t-butylperoxy) hexane
3.5-4.5 parts, 2.5-3.5 parts of ethylene methyl acrylate grafted methacrylic acid shrink, 3.5-4.5 parts of glyceride, acetyl lemon
Sour tributyl 3-5 parts, it is 20-40 parts of modified starch, functional aid 2.5-3.5 parts other；
Other functional aids include stabilizer, antioxidant, catalyst, and the mass ratio of each ingredient is 2:3:1.
Preferably, the structural formula of the poly butylene succinate is：
Preferably, the structural formula of the glyceride is：
Preferably, the structural formula of the tributyl 2-acetylcitrate is：
Preferably, the modified starch is using modified wheat starch or modified potato starch or modified sweet potato starch.
Preferably, the stabilizer is using organotin or lead salt or antimony organic or metallic soap or rare-earth stabilizer.
Preferably, the catalyst is sodium hypophosphite.
Preferably, the antioxidant is trisnonyl phenyl phosphite and trioctyl trimellitate (TOTM) according to molar ratio 1：1 group
At mixture.
It is a kind of can biology base degradation medical infusion tube material preparation method, include the following steps：
(1) poly butylene succinate, polylactic acid, maleic anhydride, 2.5- dimethyl -2.5- pairs are accurately weighed by formula
(t-butylperoxy) hexane, the shrink of ethylene methyl acrylate grafted methacrylic acid, glyceride, tributyl 2-acetylcitrate,
Modified starch, other functional aids are spare；
(2) polylactic acid is placed in 80 oven drying 5h first, maleic anhydride and 2.5- bis- is added into polylactic acid after cooling
Methyl -2.5- bis(t-butylperoxy) hexane is uniformly mixed, and passes through double screw extruder extruding pelletization, double screw extruder one
100 DEG C, 120 DEG C, 150 DEG C, 160 DEG C, 180 DEG C, 180 DEG C, 175 DEG C, the master of double screw extruder are set to seven area's temperature
Machine revolving speed is set as 15Hz, and it is spare that obtained particle is placed in 80 DEG C of oven dryings；
(3) particle that step (2) obtain is connect with modified starch, poly butylene succinate, ethylene methyl acrylate again
Branch Glycidyl methacrylate, glyceride, tributyl 2-acetylcitrate, other functional aids are homogenously mixed together and are mixed
Sample body, and 3h is stood, then aggregate sample body is placed at 70 DEG C of dry 4h in electric heating constant-temperature blowing drying box；
(4) it by the aggregate sample body investment double screw extruder of drying, is kneaded and is squeezed out, set double screw extruder
One to seven area's temperature are respectively 110 DEG C, 135 DEG C, 155 DEG C, 170 DEG C, 170 DEG C, 170 DEG C, 165 DEG C, the master of double screw extruder
Machine revolving speed is set as 25Hz, and rate of feeding is set as 8Hz；
(5) the material item that the die portion through double screw extruder squeezes out is placed in 70 DEG C of oven drying 5h, then through air-cooled,
With pelleter be made can biology base degradation medical infusion tube material.
Preferably, the structural formula of particle obtained in the step (2) is:
Beneficial effects of the present invention：
The beneficial effects of the invention are as follows：Plastics mechanical strength made from inventive formulation is big, processing performance is excellent, after discarding
Carbon dioxide and water, green non-pollution can be generated under the action of microorganism or acid, alkali.First is grafted by ethylene methyl acrylate
Base acrylic acid shrinks, glyceride improves the interface compatibility between polylactic acid and poly butylene succinate, passes through sodium hypophosphite
The particle that catalyst polylactic acid is mixed to prepare with maleic anhydride, 2.5- dimethyl -2.5- bis(t-butylperoxy) with change
Esterification increases the active force between polylactic acid and modified starch between property starch, by tributyl 2-acetylcitrate, makes acetyl
Tributyl citrate and poly butylene succinate have preferable compatibility, can improve the flexibility of PLA, thus to produce
The a variety of advantages for having both polylactic acid intensity height, the high intensity of poly butylene succinate, high elongation at tear, high tenacity are tools
There is the biological degradable composite material of higher application value.
Specific embodiment
The embodiment of the present invention is described in detail below, but what the present invention can be defined by the claims and cover
Multitude of different ways is implemented.
Below by way of specific embodiment, the present invention will be described in detail.
Embodiment 1
A kind of preparation method of biodegradable plastics, includes the following steps：
(1) 15 parts of poly butylene succinate, 35 parts of polylactic acid, 15 parts of maleic anhydride, 2.5- bis- are accurately weighed by formula
3.5 parts of methyl -2.5- bis(t-butylperoxy) hexane, ethylene methyl acrylate grafted methacrylic acid shrink 2.5 parts, glycerol
3.5 parts of ester, 3 parts of tributyl 2-acetylcitrate, 20 parts of modified starch, 2.5 parts of other functional aids it is spare；
Wherein, above-mentioned other functional aids include stabilizer, antioxidant, catalyst, and the mass ratio of each ingredient is 2:
3:1；
The structural formula of above-mentioned poly butylene succinate is：
The structural formula of above-mentioned glyceride is：
The structural formula of above-mentioned tributyl 2-acetylcitrate is：
Above-mentioned modified starch is using modified wheat starch or modified potato starch or modified sweet potato starch；
Above stabilizer is using organotin or lead salt or antimony organic or metallic soap or rare-earth stabilizer；
Above-mentioned catalyst is sodium hypophosphite；
Above-mentioned antioxidant is trisnonyl phenyl phosphite and trioctyl trimellitate (TOTM) according to molar ratio 1：The mixing of 1 composition
Object；
(2) polylactic acid is placed in 80 oven drying 5h first, maleic anhydride and 2.5- bis- is added into polylactic acid after cooling
Methyl -2.5- bis(t-butylperoxy) hexane is uniformly mixed, and passes through double screw extruder extruding pelletization, double screw extruder one
100 DEG C, 120 DEG C, 150 DEG C, 160 DEG C, 180 DEG C, 180 DEG C, 175 DEG C, the master of double screw extruder are set to seven area's temperature
Machine revolving speed is set as 15Hz, and it is spare that obtained particle is placed in 80 DEG C of oven dryings；
(3) particle that step (2) obtain is connect with modified starch, poly butylene succinate, ethylene methyl acrylate again
Branch Glycidyl methacrylate, glyceride, tributyl 2-acetylcitrate, other functional aids are homogenously mixed together and are mixed
Sample body, and 3h is stood, then aggregate sample body is placed at 70 DEG C of dry 4h in electric heating constant-temperature blowing drying box；
(4) it by the aggregate sample body investment double screw extruder of drying, is kneaded and is squeezed out, set double screw extruder
One to seven area's temperature are respectively 110 DEG C, 135 DEG C, 155 DEG C, 170 DEG C, 170 DEG C, 170 DEG C, 165 DEG C, the master of double screw extruder
Machine revolving speed is set as 25Hz, and rate of feeding is set as 8Hz；
(5) the material item that the die portion through double screw extruder squeezes out is placed in 70 DEG C of oven drying 5h, then through air-cooled,
With pelleter be made can biology base degradation medical infusion tube material.
The structural formula of obtained particle is in above-mentioned steps (2):
Embodiment 2
A kind of preparation method of biodegradable plastics, includes the following steps：
(2) 20 parts of poly butylene succinate, 40 parts of polylactic acid, 20 parts of maleic anhydride, 2.5- bis- are accurately weighed by formula
4 parts of methyl -2.5- bis(t-butylperoxy) hexane, ethylene methyl acrylate grafted methacrylic acid shrink 3 parts, glyceride 4
Part, 4 parts of tributyl 2-acetylcitrate, 30 parts of modified starch, 3 parts of other functional aids it is spare；
Wherein, above-mentioned other functional aids include stabilizer, antioxidant, catalyst, and the mass ratio of each ingredient is 2:
3:1；
The structural formula of above-mentioned poly butylene succinate is：
The structural formula of above-mentioned glyceride is：
The structural formula of above-mentioned tributyl 2-acetylcitrate is：
Above-mentioned modified starch is using modified wheat starch or modified potato starch or modified sweet potato starch；
Above stabilizer is using organotin or lead salt or antimony organic or metallic soap or rare-earth stabilizer；
Above-mentioned catalyst is sodium hypophosphite；
Above-mentioned antioxidant is trisnonyl phenyl phosphite and trioctyl trimellitate (TOTM) according to molar ratio 1：The mixing of 1 composition
Object；
(2) polylactic acid is placed in 80 oven drying 5h first, maleic anhydride and 2.5- bis- is added into polylactic acid after cooling
Methyl -2.5- bis(t-butylperoxy) hexane is uniformly mixed, and passes through double screw extruder extruding pelletization, double screw extruder one
100 DEG C, 120 DEG C, 150 DEG C, 160 DEG C, 180 DEG C, 180 DEG C, 175 DEG C, the master of double screw extruder are set to seven area's temperature
Machine revolving speed is set as 15Hz, and it is spare that obtained particle is placed in 80 DEG C of oven dryings；
(3) particle that step (2) obtain is connect with modified starch, poly butylene succinate, ethylene methyl acrylate again
Branch Glycidyl methacrylate, glyceride, tributyl 2-acetylcitrate, other functional aids are homogenously mixed together and are mixed
Sample body, and 3h is stood, then aggregate sample body is placed at 70 DEG C of dry 4h in electric heating constant-temperature blowing drying box；
(4) it by the aggregate sample body investment double screw extruder of drying, is kneaded and is squeezed out, set double screw extruder
One to seven area's temperature are respectively 110 DEG C, 135 DEG C, 155 DEG C, 170 DEG C, 170 DEG C, 170 DEG C, 165 DEG C, the master of double screw extruder
Machine revolving speed is set as 25Hz, and rate of feeding is set as 8Hz；
(5) the material item that the die portion through double screw extruder squeezes out is placed in 70 DEG C of oven drying 5h, then through air-cooled,
With pelleter be made can biology base degradation medical infusion tube material.
The structural formula of obtained particle is in above-mentioned steps (2):
Embodiment 3
A kind of preparation method of biodegradable plastics, includes the following steps：
(3) 25 parts of poly butylene succinate, 45 parts of polylactic acid, 25 parts of maleic anhydride, 2.5- bis- are accurately weighed by formula
4.5 parts of methyl -2.5- bis(t-butylperoxy) hexane, ethylene methyl acrylate grafted methacrylic acid shrink 3.5 parts, glycerol
4.5 parts of ester, 5 parts of tributyl 2-acetylcitrate, 40 parts of modified starch, 3.5 parts of other functional aids it is spare；
Wherein, above-mentioned other functional aids include stabilizer, antioxidant, catalyst, and the mass ratio of each ingredient is 2:
3:1；
The structural formula of above-mentioned poly butylene succinate is：
The structural formula of above-mentioned glyceride is：
The structural formula of above-mentioned tributyl 2-acetylcitrate is：
Above-mentioned modified starch is using modified wheat starch or modified potato starch or modified sweet potato starch；
Above stabilizer is using organotin or lead salt or antimony organic or metallic soap or rare-earth stabilizer；
Above-mentioned catalyst is sodium hypophosphite；
Above-mentioned antioxidant is trisnonyl phenyl phosphite and trioctyl trimellitate (TOTM) according to molar ratio 1：The mixing of 1 composition
Object；
(2) polylactic acid is placed in 80 oven drying 5h first, maleic anhydride and 2.5- bis- is added into polylactic acid after cooling
Methyl -2.5- bis(t-butylperoxy) hexane is uniformly mixed, and passes through double screw extruder extruding pelletization, double screw extruder one
100 DEG C, 120 DEG C, 150 DEG C, 160 DEG C, 180 DEG C, 180 DEG C, 175 DEG C, the master of double screw extruder are set to seven area's temperature
Machine revolving speed is set as 15Hz, and it is spare that obtained particle is placed in 80 DEG C of oven dryings；
(3) particle that step (2) obtain is connect with modified starch, poly butylene succinate, ethylene methyl acrylate again
Branch Glycidyl methacrylate, glyceride, tributyl 2-acetylcitrate, other functional aids are homogenously mixed together and are mixed
Sample body, and 3h is stood, then aggregate sample body is placed at 70 DEG C of dry 4h in electric heating constant-temperature blowing drying box；
(4) it by the aggregate sample body investment double screw extruder of drying, is kneaded and is squeezed out, set double screw extruder
One to seven area's temperature are respectively 110 DEG C, 135 DEG C, 155 DEG C, 170 DEG C, 170 DEG C, 170 DEG C, 165 DEG C, the master of double screw extruder
Machine revolving speed is set as 25Hz, and rate of feeding is set as 8Hz；
(5) the material item that the die portion through double screw extruder squeezes out is placed in 70 DEG C of oven drying 5h, then through air-cooled,
With pelleter be made can biology base degradation medical infusion tube material.
The structural formula of obtained particle is in above-mentioned steps (2):
The embodiments of the present invention described above are not intended to limit the scope of the present invention, any in the present invention
Spirit and principle within made modifications, equivalent substitutions and improvements etc., should be included in claim protection model of the invention
Within enclosing.
Claims (10)
1. one kind can biology base degradation medical infusion tube material, which is characterized in that be made of by weight the following raw material：Poly- fourth
15-25 parts of succinate adipate, 35-45 parts of polylactic acid, 15-25 parts of maleic anhydride, bis- (the tert-butyl mistakes of 2.5- dimethyl -2.5-
Oxygroup) 3.5-4.5 parts of hexane, 2.5-3.5 parts of ethylene methyl acrylate grafted methacrylic acid shrink, 3.5-4.5 parts of glyceride,
It is 3-5 parts of tributyl 2-acetylcitrate, 20-40 parts of modified starch, functional aid 2.5-3.5 parts other；
Other functional aids include stabilizer, antioxidant, catalyst, and the mass ratio of each ingredient is 2:3:1.
2. it is according to claim 1 can biology base degradation medical infusion tube material, which is characterized in that the poly-succinic
The structural formula of butanediol ester is：
3. it is according to claim 1 can biology base degradation medical infusion tube material, which is characterized in that the glyceride
Structural formula is：
4. biodegradable plastics according to claim 1, which is characterized in that the structure of the tributyl 2-acetylcitrate
Molecular formula is：
5. it is according to claim 1 can biology base degradation medical infusion tube material, which is characterized in that the modified starch
Using modified wheat starch or modified potato starch or modified sweet potato starch.
6. it is according to claim 1 can biology base degradation medical infusion tube material, which is characterized in that the stabilizer is adopted
With organotin or lead salt or antimony organic or metallic soap or rare-earth stabilizer.
7. it is according to claim 1 can biology base degradation medical infusion tube material, which is characterized in that the catalyst is
Sodium hypophosphite.
8. it is according to claim 1 can biology base degradation medical infusion tube material, which is characterized in that the antioxidant
It is trisnonyl phenyl phosphite and trioctyl trimellitate (TOTM) according to molar ratio 1：The mixture of 1 composition.
9. one kind can biology base degradation medical infusion tube material preparation method, which is characterized in that include the following steps：
(1) bis- (the tertiary fourths of poly butylene succinate, polylactic acid, maleic anhydride, 2.5- dimethyl -2.5- are accurately weighed by formula
Base peroxy) hexane, the shrink of ethylene methyl acrylate grafted methacrylic acid, glyceride, tributyl 2-acetylcitrate, modified shallow lake
Powder, other functional aids are spare；
(2) polylactic acid is placed in 80 oven drying 5h first, maleic anhydride and 2.5- dimethyl-is added into polylactic acid after cooling
2.5- bis(t-butylperoxy) hexane is uniformly mixed, and passes through double screw extruder extruding pelletization, double screw extruder one to seven
Area's temperature is set to 100 DEG C, 120 DEG C, 150 DEG C, 160 DEG C, 180 DEG C, 180 DEG C, 175 DEG C, and the host of double screw extruder turns
Speed is set as 15Hz, and it is spare that obtained particle is placed in 80 DEG C of oven dryings；
(3) particle and modified starch, poly butylene succinate, the ethylene methyl acrylate again obtained step (2) is grafted first
The shrink of base acrylic acid, glyceride, tributyl 2-acetylcitrate, other functional aids are homogenously mixed together to obtain aggregate sample
Body, and 3h is stood, then aggregate sample body is placed at 70 DEG C of dry 4h in electric heating constant-temperature blowing drying box；
(4) it by the aggregate sample body investment double screw extruder of drying, is kneaded and is squeezed out, setting double screw extruder one arrives
Seven area's temperature are respectively 110 DEG C, 135 DEG C, 155 DEG C, 170 DEG C, 170 DEG C, 170 DEG C, 165 DEG C, and the host of double screw extruder turns
Speed is set as 25Hz, and rate of feeding is set as 8Hz；
(5) the material item that die portion through double screw extruder squeezes out is placed in 70 DEG C of oven drying 5h, then through air-cooled, with cutting
Grain mechanism obtain can biology base degradation medical infusion tube material.
10. one kind according to claim 9 can biology base degradation medical infusion tube material preparation method, feature exists
In the structural formula of obtained particle is in the step (2):
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112300541A (en) * | 2019-07-29 | 2021-02-02 | 罗惠民 | Coffee-residue-modified biodegradable composite material and preparation method and application thereof |
| CN113150519A (en) * | 2021-04-26 | 2021-07-23 | 深圳市华潽新材料有限公司 | Full-biodegradable material with controllable period |
| WO2023093736A1 (en) * | 2021-11-25 | 2023-06-01 | 山东兰德英科新材料科技有限公司 | Degradable special material for infusion set tubing, and method for preparing infusion set tubing by using same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103992517A (en) * | 2014-06-10 | 2014-08-20 | 华东理工大学 | Continuously-produced full-degradable starch-based plastic alloy and preparation method thereof |
-
2018
- 2018-08-16 CN CN201810936454.8A patent/CN108912636A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103992517A (en) * | 2014-06-10 | 2014-08-20 | 华东理工大学 | Continuously-produced full-degradable starch-based plastic alloy and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112300541A (en) * | 2019-07-29 | 2021-02-02 | 罗惠民 | Coffee-residue-modified biodegradable composite material and preparation method and application thereof |
| CN113150519A (en) * | 2021-04-26 | 2021-07-23 | 深圳市华潽新材料有限公司 | Full-biodegradable material with controllable period |
| WO2023093736A1 (en) * | 2021-11-25 | 2023-06-01 | 山东兰德英科新材料科技有限公司 | Degradable special material for infusion set tubing, and method for preparing infusion set tubing by using same |
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Application publication date: 20181130 |