CN109021484A - One kind can biology base degradative plastics pen core material and preparation method thereof - Google Patents
One kind can biology base degradative plastics pen core material and preparation method thereof Download PDFInfo
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- CN109021484A CN109021484A CN201810934871.9A CN201810934871A CN109021484A CN 109021484 A CN109021484 A CN 109021484A CN 201810934871 A CN201810934871 A CN 201810934871A CN 109021484 A CN109021484 A CN 109021484A
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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
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/06—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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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Abstract
The invention discloses one kind can biology base degradative plastics pen core material and preparation method thereof, be made of by weight the following raw material: 10-20 parts of poly butylene succinate, 30-40 parts of polylactic acid, 10-20 parts of maleic anhydride, 3-5 parts of 2.5- dimethyl -2.5- bis(t-butylperoxy) hexane, 2-4 parts of ethylene methyl acrylate grafted methacrylic acid shrink, 3-5 parts of glyceride, 20-40 parts of modified starch, diisopropylbenzene (DIPB) 3-5 parts of oxidation, 1-3 parts of basalt fibre, functional aid 2-4 parts other.Pen core made from inventive formulation has good toughness, stability, and the pen core is 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 degradative plastics pen core material and its preparation side
Method.
Background technique
Ball pen, water-color paintbrush penholder mainly formed by plastic particle processing, main component be petroleum spin-off, in recent years
Come, with the quick rise of oil price, the waste of product is made us staring, and resulting plastic garbage also results in environmental protection
Burden.Someone once made estimation, and the plastic garbage that China is generated by " disposable pen " every year is at 100,000 tons or more, this waste is
It is quite surprising.And the main material for manufacturing disposable pen is polystyrene, it has ageing-resistant, erosion-resisting feature, 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 one kind can biology base degradative plastics pen core material and preparation method thereof, asked with solving above-mentioned technology
Topic.
One kind can biology base degradative plastics pen core material and preparation method thereof, be made of by weight the following raw material: poly- fourth
10-20 parts of succinate adipate, 30-40 parts of polylactic acid, 10-20 parts of maleic anhydride, bis- (the tert-butyl mistakes of 2.5- dimethyl -2.5-
Oxygroup) 3-5 parts of hexane, 2-4 parts of ethylene methyl acrylate grafted methacrylic acid shrink, 3-5 parts of glyceride, modified starch 20-
40 parts, it is diisopropylbenzene (DIPB) 3-5 parts of oxidation, 1-3 parts of basalt fibre, functional aid 2-4 parts other；
Other functional aids include stabilizer, antioxidant, catalyst, and the mass ratio of each ingredient is 2:2:1.
Preferably, the structural formula of the poly butylene succinate are as follows:
Preferably, the structural formula of the polylactic acid are as follows:
Preferably, the structural formula of the glyceride are as follows:
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.
It is a kind of can biology base degradative plastics pen core material preparation method, which comprises the steps of:
(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, modified starch, oxidation two are different
Propyl benzene, basalt fibre, 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, oxidation diisopropylbenzene (DIPB), basalt fibre, functional aid 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, 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 30Hz, and rate of feeding is set as 4Hz；
(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,
Biodegradable plastic grain is made with pelleter.
Preferably, in the step (2) polylactic acid and maleic anhydride in 2.5- dimethyl -2.5- bis(t-butylperoxy)
The lower mixing co-extrusion of hexane effect generates the reaction mechanism of particle are as follows:
Beneficial effects of the present invention:
The beneficial effects of the present invention are: 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.Caused by the way that oxidation diisopropylbenzene (DIPB) is added
Agent, initiation reaction increase-volume, i.e. production graft block copolymer do expanding material, have achieved the purpose that in situ reactive compatibilization, simultaneously
By the oxidation diisopropylbenzene (DIPB) initiator of addition, make by ethylene methyl acrylate grafted methacrylic acid shrink, glyceride come
The effect for improving the interface compatibility between polylactic acid and poly butylene succinate is more preferable, poly- by sodium hypophosphite catalyst
It is esterified between particle and modified starch that lactic acid and maleic anhydride, 2.5- dimethyl -2.5- bis(t-butylperoxy) are mixed to prepare
Reaction, by the way that reinforcing material basalt fibre is added, further improves to increase the active force between polylactic acid and modified starch
Tensile strength, impact strength and the heat resistance of composite material.
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
It is a kind of can biology base degradative plastics pen core material preparation method, comprising the following steps:
(1) 10 parts of poly butylene succinate, 30 parts of polylactic acid, 10 parts of maleic anhydride, 2.5- bis- are accurately weighed by formula
3 parts of methyl -2.5- bis(t-butylperoxy) hexane, ethylene methyl acrylate grafted methacrylic acid shrink 2 parts, glyceride 3
Part, 20 parts of modified starch, oxidation 3 parts of diisopropylbenzene (DIPB), 1 part of basalt fibre, 2 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:
2:1。
The structural formula of above-mentioned poly butylene succinate are as follows:
The structural formula of above-mentioned polylactic acid are as follows:
The structural formula of above-mentioned glyceride are as follows:
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；
(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, oxidation diisopropylbenzene (DIPB), basalt fibre, functional aid 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, 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 30Hz, and rate of feeding is set as 4Hz；
(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,
Biodegradable plastic grain is made with pelleter.
Polylactic acid and maleic anhydride are made in 2.5- dimethyl -2.5- bis(t-butylperoxy) hexane in above-mentioned steps (2)
The reaction mechanism of particle is generated with lower mixing co-extrusion are as follows:
Embodiment 2
It is a kind of can biology base degradative plastics pen core material preparation method, comprising 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
4 parts of methyl -2.5- bis(t-butylperoxy) hexane, ethylene methyl acrylate grafted methacrylic acid shrink 3 parts, glyceride 4
Part, 30 parts of modified starch, oxidation 4 parts of diisopropylbenzene (DIPB), 2 parts of basalt fibre, 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:
2:1。
The structural formula of above-mentioned poly butylene succinate are as follows:
The structural formula of above-mentioned polylactic acid are as follows:
The structural formula of above-mentioned glyceride are as follows:
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；
(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, oxidation diisopropylbenzene (DIPB), basalt fibre, functional aid 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, 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 30Hz, and rate of feeding is set as 4Hz；
(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,
Biodegradable plastic grain is made with pelleter.
Polylactic acid and maleic anhydride are made in 2.5- dimethyl -2.5- bis(t-butylperoxy) hexane in above-mentioned steps (2)
The reaction mechanism of particle is generated with lower mixing co-extrusion are as follows:
Embodiment 3
It is a kind of can biology base degradative plastics pen core material preparation method, comprising the following steps:
(1) 20 parts of poly butylene succinate, 40 parts of polylactic acid, 20 parts of maleic anhydride, 2.5- bis- are accurately weighed by formula
5 parts of methyl -2.5- bis(t-butylperoxy) hexane, ethylene methyl acrylate grafted methacrylic acid shrink 4 parts, glyceride 5
Part, 40 parts of modified starch, oxidation 5 parts of diisopropylbenzene (DIPB), 3 parts of basalt fibre, 4 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:
2:1。
The structural formula of above-mentioned poly butylene succinate are as follows:
The structural formula of above-mentioned polylactic acid are as follows:
The structural formula of above-mentioned glyceride are as follows:
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；
(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, oxidation diisopropylbenzene (DIPB), basalt fibre, functional aid 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, 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 30Hz, and rate of feeding is set as 4Hz；
(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,
Biodegradable plastic grain is made with pelleter.
Polylactic acid and maleic anhydride are made in 2.5- dimethyl -2.5- bis(t-butylperoxy) hexane in above-mentioned steps (2)
The reaction mechanism of particle is generated with lower mixing co-extrusion are as follows:
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 degradative plastics pen core material, which is characterized in that be made of by weight the following raw material: poly-succinic
10-20 parts of butanediol ester, 30-40 parts of polylactic acid, 10-20 parts of maleic anhydride, 2.5- dimethyl -2.5- bis(t-butylperoxy)
3-5 parts of hexane, 2-4 parts of ethylene methyl acrylate grafted methacrylic acid shrink, 3-5 parts of glyceride, 20-40 parts of modified starch,
It is diisopropylbenzene (DIPB) 3-5 parts of oxidation, 1-3 parts of basalt fibre, functional aid 2-4 parts other；
Other functional aids include stabilizer, antioxidant, catalyst, and the mass ratio of each ingredient is 2:2:1.
2. according to claim 1 can biology base degradative plastics pen core material, which is characterized in that the poly-succinic fourth two
The structural formula of alcohol ester are as follows:
3. according to claim 1 can biology base degradative plastics pen core material, which is characterized in that the structure of the polylactic acid
Molecular formula are as follows:
4. according to claim 1 can biology base degradative plastics pen core material, which is characterized in that the structure of the glyceride
Molecular formula are as follows:
5. according to claim 1 can biology base degradative plastics pen core material, which is characterized in that the modified starch uses
Modified wheat starch or modified potato starch or modified sweet potato starch.
6. according to claim 1 can biology base degradative plastics pen core material, which is characterized in that the modified starch uses
Modified wheat starch or modified potato starch or modified sweet potato starch.
7. according to claim 1 can biology base degradative plastics pen core material, which is characterized in that the stabilizer is using having
Machine tin or lead salt or antimony organic or metallic soap or rare-earth stabilizer.
8. according to claim 1 can biology base degradative plastics pen core material, which is characterized in that the catalyst is time phosphorus
Sour sodium.
9. one kind can biology base degradative plastics pen core material preparation method, which comprises the steps of:
(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, modified starch, oxidation diisopropylbenzene (DIPB),
Basalt fibre, 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, oxidation diisopropylbenzene (DIPB), basalt fibre, functional aid 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, 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 30Hz, and rate of feeding is set as 4Hz；
(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 obtains biodegradable plastic grain.
10. it is according to claim 9 can biology base degradative plastics pen core material preparation method, which is characterized in that it is described
Polylactic acid mixes co-extrusion under the effect of 2.5- dimethyl -2.5- bis(t-butylperoxy) hexane with maleic anhydride in step (2)
Generate the reaction mechanism of particle are as follows:
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN114014987A (en) * | 2021-12-02 | 2022-02-08 | 北京大学深圳研究院 | Degradable composite biological high polymer material and preparation method thereof |
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 CN201810934871.9A patent/CN109021484A/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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN114014987A (en) * | 2021-12-02 | 2022-02-08 | 北京大学深圳研究院 | Degradable composite biological high polymer material and preparation method thereof |
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Application publication date: 20181218 |