CN103923446A - Degradable biomass polylactic acid magnetic card material - Google Patents
Degradable biomass polylactic acid magnetic card material Download PDFInfo
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- CN103923446A CN103923446A CN201410125998.8A CN201410125998A CN103923446A CN 103923446 A CN103923446 A CN 103923446A CN 201410125998 A CN201410125998 A CN 201410125998A CN 103923446 A CN103923446 A CN 103923446A
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- magnetic card
- lactic acid
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Abstract
The invention discloses a degradable biomass polylactic acid magnetic card material. The degradable biomass polylactic acid magnetic card material comprises the following components in percentage by mass: 10-30% of polylactic acid, 15-35% of rosin derivative, 20-40% of tung oil derivative, 1-5% of castor short fiber, 0.1-0.5% of sub octanoic acid, 1-5% of lubricant and 1-5% of antioxidant, wherein the rosin derivative is obtained by reaction of maleated rosin and para aminobenzoic acid, and the tung oil derivative is obtained by Diels-Alder reaction of tung oil and maleic anhydride. The degradable biomass polylactic acid magnetic card material disclosed by the invention has the machinable property of card preparation and high impact resistance toughness while the degradation is ensured and has the characteristics of heat stability, high flowability and bending resistance injection property.
Description
Technical field
The invention belongs to polymeric material field, be specifically related to a kind of degradable biological matter poly(lactic acid) magnetic card material.
Technical background
Magnetic card is a kind of widely used information material, the main body of magnetic card recorded information material except magneticsubstance, carry exactly magnetic material material material of main part high molecule plastic.Tradition fabrication material used is the sheet material of extruding after PVC, ABS resin and auxiliary agent mix, this high polymer alloy is petrochemical industry product, in natural environment, hard degradation, adopts the measure of reclaiming, and can reclaim a part of material, because PVC is in processing is reclaimed, easily discharge halogen, to equipment, caused great corrosion, affected the efficiency and the enthusiasm that reclaim.
It is found that, in the use procedure of magnetic card high molecule plastic, one of performance of major requirement is bending resistance folding endurance, be exactly the processing problem of discarded rear macromolecular material in addition, although the magnetic card polymer carrier plastics that use at present can reclaim and be used, but because cost recovery and magnetic are subject to technical qualification with the separated recycling of plastics, the restriction of recycled plastic grade, caused sizable a part of material abandoned in environment, and the high molecule plastic of originally manufacturing magnetic card material is all the material of hard degradation, cause abandoning the material hard degradation in environment, caused the pollution of environment.
Summary of the invention
The technical problem solving: the problem existing for prior art, the invention provides a kind of degradable biological matter poly(lactic acid) magnetic card material, when having solved existing Polymer Magnetic card material hard degradation problem, possess the workability matter of fabrication, the toughness of resistance to HI high impact, having thermostability, high workability and resistance to bending can injection moulding character.
Technical scheme: degradable biological matter poly(lactic acid) magnetic card material provided by the invention, component by following mass percentage content forms: poly(lactic acid) 10-30%, rosin derivative 15-35%, tung oil derivative 20-40%, castor-oil plant staple fibre 1-5%, sub-sad 0.1-0.5%, lubricant 1-5%, oxidation inhibitor 1-5%.
Described poly(lactic acid) is a kind of biodegradable material, is the poly(lactic acid) of polymerization-grade, is by the synthetic poly(lactic acid) of chemical method, and its relative density is 1-1.55g/cm
3, melt temperature is 205-210 ℃.
Described rosin derivative is reacted and obtains with para-amino benzoic acid (person of outstanding talent Shen, Taixing chemical industry) by maleated rosin (Shanghai Li Gao Chemical Co., Ltd.), both mass ratioes are the fragrant ︰ of Ma Laisong para-amino benzoic acid=1: (1 ~ 3), reaction times is 3 ~ 6h, temperature of reaction is 70 ~ 120 ℃, and its reaction process is as follows:
The object of using this rosin derivative is two acid anhydrides that utilize in molecular structure, increases the hydroxyl residual with poly(lactic acid) end group, and in forcing machine, banburying reacts, and increase-volume on the spot, is embedded in molecular structure as chainextender meanwhile.
Described tung oil derivative is that tung oil (Shanghai Yuan Shi tackiness agent company limited) reacts formed with maleic anhydride (Tianjin Jun Bo Chemical Co., Ltd.) generation Diels-Alder, both mass ratioes are Tong You ︰ maleic anhydride=1: (1 ~ 6), reaction times is 0.5 ~ 4h, temperature of reaction is 80 ~ 120 ℃, and its reaction process is as follows:
。
The length of described castor-oil plant staple fibre is 35～150mm.Described lubricant is a kind of in tristearin, glycerine trihydroxy-stearate, soybean oil, epoxy soybean oil.Described oxidation inhibitor is a kind of in BHA, BHT, PG, EDTA.
The preparation method of degradable biological matter poly(lactic acid) magnetic card material provided by the invention, its preparation process is as follows: press above-mentioned mass percentage content by poly(lactic acid), rosin derivative, tung oil derivative, castor-oil plant staple fibre is sub-sad, lubricant, oxidation inhibitor joins in double roll mill and mixes, and finally extrusion moulding in forcing machine obtains magnetic card material.
Beneficial effect: the material that (1) obtains the present invention, according to GB/T 19276.1-2003 standard, is simulated biological decomposition process in natural water-bearing environment, and test obtains its biological decomposition rate and can reach 85% ~ 95%.
(2) elongation at break of material is 40% ~ 60%, and flexural strength is 34 ~ 45Mpa, and modulus in flexure is 1708 ~ 2000MPa, and notched Izod impact strength is 167.5 ~ 200J/m, and crooked 60 ~ 100 degree ftracture.
Embodiment
Mode below by embodiment further illustrates the present invention, but therefore scope of the present invention is not confined to following embodiment, but is limited by specification sheets of the present invention and claims.
Embodiment 1
The mass percentage content of each component: poly(lactic acid) 30%, rosin derivative 35%, tung oil derivative 20%, castor-oil plant staple fibre 5%, sub-sad 0.5%, lubricant 5%, oxidation inhibitor 4.5%.
Preparation process is as follows: press above-mentioned mass percent proportioning by poly(lactic acid), rosin derivative, tung oil derivative, castor-oil plant staple fibre, sub-sad, lubricant, oxidation inhibitor joins in double roll mill and mixes, and finally extrusion moulding in forcing machine obtains magnetic card material.
The present embodiment effect: the material that (1) obtains the present invention, according to GB/T 19276.1-2003 standard, is simulated biological decomposition process in natural water-bearing environment, and test obtains its biological decomposition rate and can reach 90%; (2) elongation at break of material is 40%, and flexural strength is 35MPa, and modulus in flexure is 1708MPa, and notched Izod impact strength is 170.5J/m, and crooked 60 degree ftracture.
Embodiment 2
The mass percentage content of each component: poly(lactic acid) 15%, rosin derivative 35%, tung oil derivative 40%, castor-oil plant staple fibre 1%, sub-sad 0.1%, lubricant 3.9%, oxidation inhibitor 5%.
Preparation process is as follows: press above-mentioned mass percent proportioning by poly(lactic acid), rosin derivative, tung oil derivative, castor-oil plant staple fibre, sub-sad, lubricant, oxidation inhibitor joins in double roll mill and mixes, and finally extrusion moulding in forcing machine obtains magnetic card material.
Embodiment effect: the material that (1) obtains the present invention, according to GB/T 19276.1-2003 standard, is simulated biological decomposition process in natural water-bearing environment, and test obtains its biological decomposition rate and can reach 95%; (2) elongation at break of material is 40%, and flexural strength is 45MPa, and modulus in flexure is 1850MPa, and notched Izod impact strength is 167.5J/m, and crooked 70 degree ftracture.
Embodiment 3
The mass percentage content of each component: poly(lactic acid) 20%, rosin derivative 35%, tung oil derivative 40%, castor-oil plant staple fibre 2.5%, sub-sad 0.5%, lubricant 1%, oxidation inhibitor 1%.
Preparation process is as follows: press above-mentioned mass percent proportioning by poly(lactic acid), rosin derivative, tung oil derivative, castor-oil plant staple fibre, sub-sad, lubricant, oxidation inhibitor joins in double roll mill and mixes, and finally extrusion moulding in forcing machine obtains magnetic card material.
Embodiment effect: the material that (1) obtains the present invention, according to GB/T 19276.1-2003 standard, is simulated biological decomposition process in natural water-bearing environment, and test obtains its biological decomposition rate and can reach 85%; (2) elongation at break of material is 60%, and flexural strength is 34MPa, and modulus in flexure is 2000MPa, and notched Izod impact strength is 200J/m, and crooked 90 degree ftracture.
Embodiment 4
The mass percentage content of each component: poly(lactic acid) 30%, rosin derivative 15%, tung oil derivative 40%, castor-oil plant staple fibre 4.7%, sub-sad 0.3%, lubricant 5%, oxidation inhibitor 5%.
Preparation process is as follows: press above-mentioned mass percent proportioning by poly(lactic acid), rosin derivative, tung oil derivative, castor-oil plant staple fibre, sub-sad, lubricant, oxidation inhibitor joins in double roll mill and mixes, and finally extrusion moulding in forcing machine obtains magnetic card material.
The present embodiment effect: the material that (1) obtains the present invention, according to GB/T 19276.1-2003 standard, is simulated biological decomposition process in natural water-bearing environment, and test obtains its biological decomposition rate and can reach 92%; (2) elongation at break of material is 55%, and flexural strength is 40MPa, and modulus in flexure is 1850MPa, and notched Izod impact strength is 190.0J/m, and crooked 100 degree ftracture.
Embodiment 5
The mass percentage content of each component: poly(lactic acid) 10%, rosin derivative 34.5%, tung oil derivative 40%, castor-oil plant staple fibre 5%, sub-sad 0.5%, lubricant 5%, oxidation inhibitor 5%.
Preparation process is as follows: press above-mentioned mass percent proportioning by poly(lactic acid), rosin derivative, tung oil derivative, castor-oil plant staple fibre, sub-sad, lubricant, oxidation inhibitor joins in double roll mill and mixes, and finally extrusion moulding in forcing machine obtains magnetic card material.
Embodiment effect: the material that (1) obtains the present invention, according to GB/T 19276.1-2003 standard, is simulated biological decomposition process in natural water-bearing environment, and test obtains its biological decomposition rate and can reach 93%; (2) elongation at break of material is 55%, and flexural strength is 40MPa, and modulus in flexure is 1900MPa, and notched Izod impact strength is 190.5J/m, and crooked 80 degree ftracture.
Embodiment 6
The mass percentage content of each component: poly(lactic acid) 25%, rosin derivative 30%, tung oil derivative 30%, castor-oil plant staple fibre 5%, sub-sad 0.5%, lubricant 4.5%, oxidation inhibitor 5%.
Preparation process is as follows: press above-mentioned mass percent proportioning by poly(lactic acid), rosin derivative, tung oil derivative, castor-oil plant staple fibre, sub-sad, lubricant, oxidation inhibitor joins in double roll mill and mixes, and finally extrusion moulding in forcing machine obtains magnetic card material.
Embodiment effect: the material that (1) obtains the present invention, according to GB/T 19276.1-2003 standard, is simulated biological decomposition process in natural water-bearing environment, and test obtains its biological decomposition rate and can reach 89%; (2) elongation at break of material is 58%, and flexural strength is 35MPa, and modulus in flexure is 1880MPa, and notched Izod impact strength is 195.5J/m, and crooked 80 degree ftracture.
Claims (6)
1. a degradable biological matter poly(lactic acid) magnetic card material, is characterized in that being comprised of the component of following mass percentage content: poly(lactic acid) 10-30%, rosin derivative 15-35%, tung oil derivative 20-40%, castor-oil plant staple fibre 1-5%, sub-sad 0.1-0.5%, lubricant 1-5%, oxidation inhibitor 1-5%.
2. degradable biological matter poly(lactic acid) magnetic card material according to claim 1, it is characterized in that described rosin derivative is reacted and obtains with para-amino benzoic acid by maleated rosin, both mass ratioes are the fragrant ︰ of Ma Laisong para-amino benzoic acid=1: (1 ~ 3), reaction times is 3 ~ 6h, and temperature of reaction is 70 ~ 120 ℃.
3. degradable biological matter poly(lactic acid) magnetic card material according to claim 1, it is characterized in that described tung oil derivative is that tung oil reacts formed with maleic anhydride generation Diels-Alder, both mass ratioes are Tong You ︰ maleic anhydride=1: (1 ~ 6), reaction times is 0.5 ~ 4h, and temperature of reaction is 80 ~ 120 ℃.
4. degradable biological matter poly(lactic acid) magnetic card material according to claim 1, the length that it is characterized in that described castor-oil plant staple fibre is 35～150mm.
5. degradable biological matter poly(lactic acid) magnetic card material according to claim 1, is characterized in that described lubricant is a kind of in tristearin, glycerine trihydroxy-stearate, soybean oil, epoxy soybean oil.
6. degradable biological matter poly(lactic acid) magnetic card material according to claim 1, is characterized in that described oxidation inhibitor is a kind of in BHA, BHT, PG, EDTA.
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| CN201410125998.8A CN103923446B (en) | 2014-04-01 | 2014-04-01 | A kind of degradable biological matter poly(lactic acid) magnetic card material |
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| CN201410125998.8A CN103923446B (en) | 2014-04-01 | 2014-04-01 | A kind of degradable biological matter poly(lactic acid) magnetic card material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104231922A (en) * | 2014-09-25 | 2014-12-24 | 西南交通大学 | Tung oil composite paint capable of adsorbing formaldehyde and preparation method of paint |
| CN107829293A (en) * | 2017-11-08 | 2018-03-23 | 浙江树人学院 | Fibrous material and technological process for p-aminobenzoic acid of degrading |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101142260A (en) * | 2005-03-14 | 2008-03-12 | 住友电工超效能高分子股份有限公司 | Process for producing crosslinked material of polylactic acid and crosslinked material of polylactic acid |
| CN102311544A (en) * | 2010-07-09 | 2012-01-11 | 中国科学院宁波材料技术与工程研究所 | Rosinyl plasticizer and preparation method thereof |
| CN102850743A (en) * | 2012-10-09 | 2013-01-02 | 广东益德环保科技有限公司 | Biodegradable material, and preparation method and application thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101142260A (en) * | 2005-03-14 | 2008-03-12 | 住友电工超效能高分子股份有限公司 | Process for producing crosslinked material of polylactic acid and crosslinked material of polylactic acid |
| CN102311544A (en) * | 2010-07-09 | 2012-01-11 | 中国科学院宁波材料技术与工程研究所 | Rosinyl plasticizer and preparation method thereof |
| CN102850743A (en) * | 2012-10-09 | 2013-01-02 | 广东益德环保科技有限公司 | Biodegradable material, and preparation method and application thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104231922A (en) * | 2014-09-25 | 2014-12-24 | 西南交通大学 | Tung oil composite paint capable of adsorbing formaldehyde and preparation method of paint |
| CN107829293A (en) * | 2017-11-08 | 2018-03-23 | 浙江树人学院 | Fibrous material and technological process for p-aminobenzoic acid of degrading |
| CN107829293B (en) * | 2017-11-08 | 2020-01-03 | 浙江树人学院 | Fiber material for degrading p-aminobenzoic acid and process flow |
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| CN103923446B (en) | 2015-12-30 |
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