CN102675843A - Polylactic acid (PLA)-based fully degradable material special for anti-glare board and preparation method for PLA-based fully degradable material - Google Patents
Polylactic acid (PLA)-based fully degradable material special for anti-glare board and preparation method for PLA-based fully degradable material Download PDFInfo
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- CN102675843A CN102675843A CN2012101703503A CN201210170350A CN102675843A CN 102675843 A CN102675843 A CN 102675843A CN 2012101703503 A CN2012101703503 A CN 2012101703503A CN 201210170350 A CN201210170350 A CN 201210170350A CN 102675843 A CN102675843 A CN 102675843A
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- sheet material
- pipe compound
- degradable material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The invention relates to a polylactic acid (PLA)-based fully degradable material special for an anti-glare board and a preparation method for the PLA-based fully degradable material, and belongs to the technical field of the modification of polymer materials. The invention is characterized in that the material is prepared from the following raw materials in percentage by mass: 60 to 68 percent of polylactic acid, 20 to 30 percent of toughened and reinforced modifier, 0.25 to 0.35 percent of tetra[3-(3',5'-ditert-butyl-4'-hydroxylphenyl)propionic acid]pentaerythritol ester, 0.2 to 0.3 percent of 2-hydroxy-4-(octyloxy)benzophenone, 2.0 to 2.6 percent of stearic acid, 0.1 to 0.2 percent of phthalocyanine green and 5 to 11 percent of acetyl-tri-n-butyl citrate. The special material has full degradation performance and does not pollute the environment. Three basic elements, namely 'blowing resistance, impact resistance and unchanged color' which are used for the making of anti-glare boards can be met, so the material is a preferred high-quality material for the making of third-generation anti-glare boards.
Description
Technical field
The present invention relates to a kind of PLA base anti-dazzle sheet material PP Pipe Compound and preparation method thereof of degrading fully, belong to the polymer modification technical field.
Background technology
Antiglare shield is
MotorwayGo up to solving the dazzle of subtend car light, be installed in a kind of traffic safety product on the median strip.
Along with the fast development of China's highway, anti-dazzle sheet material is also by a large amount of uses.The anti-dazzle sheet material of China has experienced the anti-dazzle sheet material of first-generation steel antiglare shield (iron bar), s-generation plastics antiglare shield (high density polyethylene(HDPE)), glass reinforced plastic antiglare shield material prepns such as (glass reinforced plastic).Though the aspects such as design, production and application at these products have obtained very great achievement, also there are the problems that much need solution in actual use in these products.The anti-dazzle sheet material cost of example steel is high, be prone to get rusty, should not safeguard, and causes the secondary injury easily; The problems that the waste and old or anti-dazzle sheet material of plastics that damages and the anti-dazzle sheet material of glass reinforced plastic exist recoverys, utilization, destruction are easy to cause secondary pollution.Can satisfy anti-dazzle sheet material and use needs so be badly in need of research and development, can be easy to the anti-dazzle sheet material of the third generation and the required PP Pipe Compound that reclaim and destroy again, substitute original anti-dazzle sheet material and manufacturing materials, be one of focus of at present new macromolecular material research and development.
POLYACTIC ACID (PLA) is to be the macromolecular material that polymerizable raw material generates with lactic acid; It is a kind of novel aliphatic polyester that can degrade fully; Have performances nontoxic, many excellences such as intensity is high, easy processing, but also exist shortcomings such as thermotolerance is not high, property is crisp, shock resistance is poor, wetting ability difference.Physics or chemical modification through suitable can become a kind of extraordinary making antiglare shield material.
The modification of POLYACTIC ACID has blending and modifying, modification by copolymerization, cross-linking modified, surface-treated etc., and wherein blending and modifying is to use more method of modifying.This paper adopts the method for blending and modifying, prepares anti-dazzle sheet material PP Pipe Compound, the new Application Areas of developing POLYACTIC ACID.
Develop the anti-dazzle sheet material PP Pipe Compound of PLA base of complete biodegradable, need reach " blowing constantly, hit continuous, nondiscoloration " three fundamentals of anti-dazzle sheet material, performance requriements is very high.Also there is not such PP Pipe Compound supply the market at present both at home and abroad.
Summary of the invention
According to the deficiency of prior art, the technical problem that the present invention will solve is: a kind of PLA base anti-dazzle sheet material PP Pipe Compound and preparation method thereof of degrading fully is provided, and the PP Pipe Compound that makes has fully degrades, is prone to machine-shaping, the characteristics of excellent performance.
The technical solution adopted for the present invention to solve the technical problems is: a kind of PLA base anti-dazzle sheet material PP Pipe Compound of degrading fully is provided, it is characterized in that being made up of the raw material of following mass percent:
POLYACTIC ACID: 60～68%;
Tough-increased and reinforced modification agent: 20～30%;
Four [3-(3 ' 5 '-di-t-butyl-4 '-hydroxy phenyl) propionic acid] pentaerythritol ester: 0.25～0.35%;
UV-531: 0.2～0.3%;
Triple Pressed Stearic Acid: 2.0～2.6%;
Phthalein is dark green: 0.1～0.2%;
ATBC: 5～11%.
Described POLYACTIC ACID is a PLLA.
Described tough-increased and reinforced modification agent is the calcium carbonate superfine powder of particle diameter 0.15～0.70 μ m, and through 1.5% titanate coupling agent activation treatment of lime carbonate quality.
Described preparation method puts into mixing mixing 5～15min in the mixing machine with raw material; Then; The above-mentioned material that mixes is joined in the twin screw extruder, and under 130～165 ℃ of melt temperatures, screw speed 40～60r/min, the melting mixing extruding pelletization forms.
The invention has the beneficial effects as follows:
1. according to the toughness reinforcing enhanced mechanism of rigid particles, select for use the calcium carbonate superfine powder that passes through surface-treated, thereby prepared the anti-dazzle sheet material PP Pipe Compound of PLA base, have distinct technological innovation characteristics as the tough-increased and reinforced modification agent.
2. the present invention has solved should not disperseing of micro-sized inorganic particles and easy technical barrier of reuniting preferably, has obtained the good and lower-cost anti-dazzle sheet material PP Pipe Compound of performance.
3. PP Pipe Compound of the present invention has the performance of degraded fully, and free from environmental pollution.Can satisfy " blowing constantly, hit continuous, nondiscoloration " three fundamentals of making anti-dazzle sheet material, and become the first-selected quality matetrial of making third generation antiglare shield.
Embodiment
Below in conjunction with embodiment the present invention is done and to further describe:
The pre-treatment of PLA particulate: the PLA particle is put into the container that has whisking appliance, under 70～80 ℃, agitator speed 10～20r/min, vacuum-drying 4h.
The preparation of tough-increased and reinforced modification agent: the ultra-fine CaCO that selects 0.15～0.70 μ m for use
3, dry 3h under 95 ℃.In mixing roll, adopt CaCO then
3The titanate coupling agent of add-on 1.5% with the atomizing form to CaCO
3Carry out activation treatment, soak time 1.0h.
The preparation of assistant packet: take by weighing a certain amount of PLA through drying treatment; Join in the mixing tank; Add four in proportion [3-(3 ' 5 '-di-t-butyl-4 '-hydroxy phenyl) propionic acid] auxiliary agent such as pentaerythritol ester (antioxidant 1010), UV-531, Triple Pressed Stearic Acid, phthalein viridescent, after stirring, utilize twin screw extruder; Under 130～160 ℃ of temperature, rotating speed 60r/min condition, extruding pelletization is processed assistant packet.
Embodiment 1
In the mass percent ratio be: POLYACTIC ACID: tough-increased and reinforced modification agent: antioxidant 1010: UV-531 (UV-531): Triple Pressed Stearic Acid: phthalein is dark green: after ATBC=64%:25%:0.3%:0.25%:2.3%:0.15%:8.0% ratio takes by weighing respectively, join in regular turn and mix 15min in the mixing machine.Join molding, granulating in the twin screw extruder then, prilling temperature is controlled at 130～145 ℃, and screw speed is controlled at 40～50r/min, makes PP Pipe Compound after the cooling.After PP Pipe Compound carried out suitable drying treatment, directly join and carry out the processing of antiglare shield material forming in the special-purpose forcing machine.Processing temperature is 150～170 ℃.Extrusion board promptly gets anti-dazzle sheet material through cooling, typing, cutting.The anti-dazzle sheet material technical feature of using this PP Pipe Compound to make is: tensile strength 64MPa, elongation at break 380%, shock strength 18Kj/m
2, 60 ℃ of Vicat softening points.Satisfy the requirement of making anti-dazzle sheet material.
Embodiment 2
In the mass percent ratio be: POLYACTIC ACID: tough-increased and reinforced modification agent: antioxidant 1010: UV-531 (UV-531): Triple Pressed Stearic Acid: phthalein is dark green: after ATBC=68%:20%:0.35%:0.2%:2.6%:0.1%:8.75% ratio takes by weighing respectively, join in regular turn and mix 5min. in the mixing machine.Join molding, granulating in the twin screw extruder then, prilling temperature is controlled at 145～165 ℃, and screw speed is controlled at 50～60r/min, makes PP Pipe Compound after the cooling.After PP Pipe Compound carried out suitable drying treatment, directly join and carry out the processing of antiglare shield material forming in the special-purpose forcing machine.Processing temperature is 150～170 ℃.Extrusion board promptly gets anti-dazzle sheet material through cooling, typing, cutting.With the anti-dazzle sheet material that this PP Pipe Compound makes, technical feature is: tensile strength 65MPa, elongation at break are 410%, shock strength 20Kj/m
2, 61 ℃ of Vicat softening points.Satisfy the requirement of making anti-dazzle sheet material.
Embodiment 3
In the mass percent ratio be: POLYACTIC ACID: tough-increased and reinforced modification agent: antioxidant 1010: UV-531 (UV-531): Triple Pressed Stearic Acid: phthalein is dark green: after ATBC=60%:30%:0.25%:0.3%:2.0%:0.2%:7.25% ratio takes by weighing respectively, join in regular turn and mix 5min. in the mixing machine.Join molding, granulating in the twin screw extruder then, prilling temperature is controlled at 145～165 ℃, and screw speed is controlled at 50～60r/min, makes PP Pipe Compound after the cooling.After PP Pipe Compound carried out suitable drying treatment, directly join and carry out the processing of antiglare shield material forming in the special-purpose forcing machine.Processing temperature is 150～170 ℃.Extrusion board promptly gets anti-dazzle sheet material through cooling, typing, cutting.The anti-dazzle sheet material technical feature of using this PP Pipe Compound to make is: tensile strength 65MPa, elongation at break are 420%, shock strength 19Kj/m
2, 62 ℃ of Vicat softening points.Satisfy the requirement of making anti-dazzle sheet material.
Claims (4)
1. a PLA base anti-dazzle sheet material PP Pipe Compound of degrading fully is characterized in that being made up of the raw material of following mass percent:
POLYACTIC ACID: 60～68%;
Tough-increased and reinforced modification agent: 20～30%;
Four [3-(3 ' 5 '-di-t-butyl-4 '-hydroxy phenyl) propionic acid] pentaerythritol ester: 0.25～0.35%;
UV-531: 0.2～0.3%;
Triple Pressed Stearic Acid: 2.0～2.6%;
Phthalein is dark green: 0.1～0.2%;
ATBC: 5～11%.
2. the PLA base according to claim 1 anti-dazzle sheet material PP Pipe Compound of degrading fully is characterized in that described POLYACTIC ACID is a PLLA.
3. degrade the fully preparation method of anti-dazzle sheet material PP Pipe Compound of PLA base according to claim 1; It is characterized in that described tough-increased and reinforced modification agent is the calcium carbonate superfine powder of particle diameter 0.15～0.70 μ m, and through 1.5% titanate coupling agent activation treatment of lime carbonate quality.
4. the PLA base according to claim 1 anti-dazzle sheet material PP Pipe Compound of degrading fully; It is characterized in that described preparation method is with raw material and the treated carbonates of handling well; Put into mixing mixing 5～15min in the mixing machine, then, the above-mentioned material that mixes is joined in the twin screw extruder; Under 130～165 ℃ of melt temperatures, screw speed 40～60r/min, the melting mixing extruding pelletization forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210170350.3A CN102675843B (en) | 2012-05-29 | 2012-05-29 | Special material for PLA-based completely-degradable anti-dazzle board and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210170350.3A CN102675843B (en) | 2012-05-29 | 2012-05-29 | Special material for PLA-based completely-degradable anti-dazzle board and preparation method thereof |
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| Publication Number | Publication Date |
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| CN102675843A true CN102675843A (en) | 2012-09-19 |
| CN102675843B CN102675843B (en) | 2014-06-11 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103992611A (en) * | 2014-04-01 | 2014-08-20 | 胡忠克 | APP high polymerization alloy composite material anti-glare panel and processing process thereof |
| CN104693706A (en) * | 2013-12-04 | 2015-06-10 | 滁州格美特科技有限公司 | Heat resistance increased impact resistant polylactic acid modified material and preparation method thereof |
| CN107033561A (en) * | 2016-11-15 | 2017-08-11 | 青岛大学 | A kind of PLA and modified calcium carbonate composite |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102453320A (en) * | 2010-10-25 | 2012-05-16 | 中国石油化工股份有限公司 | Polylactic acid composition for environmentally-friendly synthetic paper and preparation method thereof |
-
2012
- 2012-05-29 CN CN201210170350.3A patent/CN102675843B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102453320A (en) * | 2010-10-25 | 2012-05-16 | 中国石油化工股份有限公司 | Polylactic acid composition for environmentally-friendly synthetic paper and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104693706A (en) * | 2013-12-04 | 2015-06-10 | 滁州格美特科技有限公司 | Heat resistance increased impact resistant polylactic acid modified material and preparation method thereof |
| CN104693706B (en) * | 2013-12-04 | 2018-03-02 | 滁州格美特科技有限公司 | A kind of heat-resisting enhancing shock resistance modified polylactic acid material and preparation method thereof |
| CN103992611A (en) * | 2014-04-01 | 2014-08-20 | 胡忠克 | APP high polymerization alloy composite material anti-glare panel and processing process thereof |
| CN107033561A (en) * | 2016-11-15 | 2017-08-11 | 青岛大学 | A kind of PLA and modified calcium carbonate composite |
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| Publication number | Publication date |
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| CN102675843B (en) | 2014-06-11 |
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Owner name: ZIBO PENGCHENG COAL MINE NONMETALLIC COMPOSITE ENG Effective date: 20131126 |
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Effective date of registration: 20131126 Address after: 255400 Wutai Industrial Development Zone, Linzi District, Shandong, Zibo Applicant after: Shandong Tianye Plastic & Chemical Co., Ltd. Applicant after: ZIBO PENGCHENG COAL MINE NONMETALLIC COMPOSITE ENGINEERING AND TECHNOLOGICAL RESEARCH CENTER Address before: 255400 Wutai Industrial Development Zone, Linzi District, Shandong, Zibo Applicant before: Shandong Tianye Plastic & Chemical Co., Ltd. |
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