CN103923446B - A kind of degradable biological matter poly(lactic acid) magnetic card material - Google Patents
A kind of degradable biological matter poly(lactic acid) magnetic card material Download PDFInfo
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- CN103923446B CN103923446B CN201410125998.8A CN201410125998A CN103923446B CN 103923446 B CN103923446 B CN 103923446B CN 201410125998 A CN201410125998 A CN 201410125998A CN 103923446 B CN103923446 B CN 103923446B
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Abstract
The invention discloses a kind of degradable biological matter poly(lactic acid) magnetic card material, be made up of the component of following masses degree: 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 rosin derivative is obtained by reacting by maleated rosin and para-amino benzoic acid, and described tung oil derivative by tung oil and maleic anhydride, Diels-Alder occurs and reacts and formed.Degradable biological matter poly(lactic acid) magnetic card material provided by the invention is ensureing degradable while, and 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.
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, be exactly carrying magnetic material material material of main part high molecule plastic.Tradition fabrication material used is the sheet material extruded after PVC, ABS resin and auxiliary agent mix, this high polymer alloy is petrochemical, in natural environment, be difficult to degraded, adopt the measure of reclaiming, a part of material can be reclaimed, because PVC is in processing is reclaimed, easy release halogen, causes great corrosion to equipment, have impact on efficiency and the enthusiasm of recovery.
It is found that, one of performance of major requirement in the use procedure of magnetic card high molecule plastic is buckle resistance, be exactly the process problem of discarded rear macromolecular material in addition, although the magnetic card polymer carrier plastics used at present can reclaim and be used, but because cost recovery and magnetic recycle by technical qualification with being separated of plastics, the restriction of recycled plastic grade, cause sizable a part of material abandoned in the environment, and the high molecule plastic originally manufacturing magnetic card material is all the material being difficult to degrade, the material abandoned in the environment is caused to be difficult to degraded, cause the pollution of environment.
Summary of the invention
The technical problem solved: for prior art Problems existing, the invention provides a kind of degradable biological matter poly(lactic acid) magnetic card material, solve while existing Polymer Magnetic card material is difficult to 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, be made up of the component of following masses degree: 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 the poly(lactic acid) of being synthesized by chemical method, and its relative density is 1-1.55g/cm
3, melt temperature is 205-210 DEG C.
Described rosin derivative is obtained by reacting by maleated rosin (Shanghai Li Gao Chemical Co., Ltd.) and para-amino benzoic acid (person of outstanding talent Shen, Taixing chemical industry), both mass ratioes are fragrant ︰ para-amino benzoic acid=1 of Ma Laisong: (1 ~ 3), reaction times is 3 ~ 6h, temperature of reaction is 70 ~ 120 DEG C, and its reaction process is as follows:
Use the object of this rosin derivative to be two acid anhydrides utilized in molecular structure, increase the hydroxyl residual with poly(lactic acid) end group, banburying reacts in an extruder, solubilization in-place, inlays in the molecular structure as chainextender meanwhile.
To be tung oil (Shanghai Yuan Shi tackiness agent company limited) with maleic anhydride (Tianjin Jun Bo Chemical Co., Ltd.) occur described tung oil derivative that Diels-Alder reacts formed, both mass ratioes are Tong You ︰ maleic anhydride=1: (1 ~ 6), reaction times is 0.5 ~ 4h, temperature of reaction is 80 ~ 120 DEG C, and its reaction process is as follows:
。
The length of described castor-oil plant staple fibre is 35 ~ 150mm.Described lubricant is the one in tristearin, glycerine trihydroxy-stearate, soybean oil, epoxy soybean oil.Described oxidation inhibitor is the one 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: by 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, finally extrusion moulding in an extruder, obtains magnetic card material.
Beneficial effect: the material that the present invention obtains by (1), according to GB/T19276.1-2003 standard, simulates biological decomposition process in natural water-bearing environment, 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 bending 60 ~ 100 degree are ftractureed.
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: by 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, finally extrusion moulding in an extruder, obtains magnetic card material.
The present embodiment effect: the material that the present invention obtains by (1), according to GB/T19276.1-2003 standard, simulates biological decomposition process in natural water-bearing environment, 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 bending 60 degree are ftractureed.
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: by 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, finally extrusion moulding in an extruder, obtains magnetic card material.
Embodiment effect: the material that the present invention obtains by (1), according to GB/T19276.1-2003 standard, simulates biological decomposition process in natural water-bearing environment, 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 bending 70 degree are ftractureed.
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: by 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, finally extrusion moulding in an extruder, obtains magnetic card material.
Embodiment effect: the material that the present invention obtains by (1), according to GB/T19276.1-2003 standard, simulates biological decomposition process in natural water-bearing environment, 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 bending 90 degree are ftractureed.
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: by 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, finally extrusion moulding in an extruder, obtains magnetic card material.
The present embodiment effect: the material that the present invention obtains by (1), according to GB/T19276.1-2003 standard, simulates biological decomposition process in natural water-bearing environment, 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 bending 100 degree are ftractureed.
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: by 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, finally extrusion moulding in an extruder, obtains magnetic card material.
Embodiment effect: the material that the present invention obtains by (1), according to GB/T19276.1-2003 standard, simulates biological decomposition process in natural water-bearing environment, 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 bending 80 degree are ftractureed.
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: by 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, finally extrusion moulding in an extruder, obtains magnetic card material.
Embodiment effect: the material that the present invention obtains by (1), according to GB/T19276.1-2003 standard, simulates biological decomposition process in natural water-bearing environment, 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 bending 80 degree are ftractureed.
Claims (4)
1. a degradable biological matter poly(lactic acid) magnetic card material, it is characterized in that being made up of the component of following masses degree: 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%; Wherein, described rosin derivative is obtained by reacting by maleated rosin and para-amino benzoic acid, and both mass ratioes are fragrant ︰ para-amino benzoic acid=1 of Ma Laisong: (1 ~ 3), and the reaction times is 3 ~ 6h, and temperature of reaction is 70 ~ 120 DEG C; Described tung oil derivative is that tung oil and maleic anhydride Diels-Alder occurs react and formed, and both mass ratioes are Tong You ︰ maleic anhydride=1: (1 ~ 6), and the reaction times is 0.5 ~ 4h, and temperature of reaction is 80 ~ 120 DEG C.
2. degradable biological matter poly(lactic acid) magnetic card material according to claim 1, is characterized in that the length of described castor-oil plant staple fibre is 35 ~ 150mm.
3. degradable biological matter poly(lactic acid) magnetic card material according to claim 1, is characterized in that described lubricant is the one in tristearin, glycerine trihydroxy-stearate, soybean oil, epoxy soybean oil.
4. degradable biological matter poly(lactic acid) magnetic card material according to claim 1, is characterized in that described oxidation inhibitor is the one 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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| CN103923446B true CN103923446B (en) | 2015-12-30 |
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| CN107829293B (en) * | 2017-11-08 | 2020-01-03 | 浙江树人学院 | Fiber material for degrading p-aminobenzoic acid and process flow |
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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| 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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