CN101619165B - Bamboo charcoal polyurethane foam composite material and production method thereof - Google Patents
Bamboo charcoal polyurethane foam composite material and production method thereof Download PDFInfo
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- CN101619165B CN101619165B CN 200810062728 CN200810062728A CN101619165B CN 101619165 B CN101619165 B CN 101619165B CN 200810062728 CN200810062728 CN 200810062728 CN 200810062728 A CN200810062728 A CN 200810062728A CN 101619165 B CN101619165 B CN 101619165B
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- bamboo charcoal
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- charcoal powder
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Abstract
The invention relates to a bamboo charcoal polyurethane foam composite material, which comprises the following raw materials in portion by weight: 30 to 70 portions of polyether polyol, 30 to 70 portions of toluene di-isocyanate, 5 to 10 portions of bamboo charcoal powder and a dispersing agent thereof, and a certain amount of mold-release agent, catalyst, blowing promoter and the like. The production method comprises four production steps of the production of the bamboo charcoal powder, the preparation of composite bamboo charcoal powder, the preparation of a prepolymer, and the preparation of the foam composite material. The bamboo charcoal polyurethane foam composite material is suitable for manufacturing compartment sandwich materials, sofas, seat cushions, mattresses and the like, is soft and comfortable and is rich in elasticity, has the advantages of strong performances of absorbing free formaldehyde, releasing negative ions and emitting far infrared rays, and is advantageous for the health of human bodies.
Description
[technical field]
The present invention relates to a kind of polyurethane foam composite and production method thereof of supporting by the arm the bamboo charcoal powder.
[background technology]
Polyurethane foamed material has been widely used in people's the daily life, as the sandwich material in compartment, seat, doss, protection pad etc., is to utilize its porous, whippy characteristic to give soft comfort and for it mostly.Though be difficult for distributing moisture but the regular foam material can absorb moisture, receive dirty smelly easy breeding germ, CN1865326 discloses " a kind of bamboo charcoal sponge and preparation method thereof " for this reason, CN1478817 discloses " anti-microbial elastomeric polyurethane nano composite material and preparation method thereof ", is useful to hygroscopic desiccation, the antibacterial deodourizing performance that increases and improve foam material.But the bamboo charcoal in the CN1865326 patent application includes 15%-50% in sponge, ratio is higher, influences the maintenance of sponge primary characteristic, and bamboo charcoal is not done particular process and selection, can not fully excavate the relevant good characteristic of bamboo charcoal.Contain heavy metal ion and organic antibacterial agent in the matrix material of CN1478817 patent application, cause the pollution of environment and the germinating of anti-medicine bacterium to a certain extent.
[summary of the invention]
The technical problem to be solved in the present invention provides a kind of iodine sorption value and reaches 500-700mg/g, particle diameter 1000-3000 purpose bamboo charcoal powder, and a kind of poly-ammonia foamed composite and production method thereof that contains aforementioned bamboo charcoal powder is provided.
The technical scheme that solves the present technique problem is: this bamboo charcoal polyurethane foam composite material includes following raw materials according and weight part is formed: 30-70 part polyether glycol, 30-70 part tolylene diisocyanate, 5-10 part iodine sorption value are 500-700mg/g and particle diameter 1000-3000 purpose bamboo charcoal powder, 0.5-7 part acrylic copolymer, 1-3 part silicone oil, 0.5-1 part liquefied ammonia, 6-15 part methylene dichloride, 0.5-1 part stannous octoate, 5-10 part water, the formaldehyde adsorptive value of this matrix material is greater than 5mg/g, and the negative ion burst size is 50-400/cm
3, far infrared transmissivity is 60%-90%.
Said polyether glycol is polyether Glycols and/or polyether-tribasic alcohol.
The production method of this bamboo charcoal polyurethane foam composite material comprises the steps:
(1) production of bamboo charcoal powder: bamboo split be broken into length less than the fragment of 30cm or use bamboo processing fent except that sawdust, place the charring furnace charing, the high-temperature zone temperature is controlled at 700-1100 ℃, charing 4-8 hour, cool off, unload charcoal, bamboo charcoal pulverizing just is placed on is ground into particle diameter 1000-3000 purpose bamboo charcoal powder in the Raymond mill;
(2) preparation of compound bamboo charcoal powder: bamboo charcoal powder that step (1) is made and acrylic copolymer dispersion agent are that 1: 0.1～0.7 ratio mixing is standby by weight;
(3) preparation of prepolymer: mixing is mixed thoroughly stand-by in the reactor under 26 ℃ of-30 ℃ of envrionment conditionss by each raw material of described all the other except that tolylene diisocyanate of claim 1 and weight part thereof;
(4) making of foamed composite: the prepolymer that step (3) is mixed with keeps 26 ℃ of-30 ℃ of temperature, add 30-70 parts by weight of toluene vulcabond fast, stir 3-6 second with 1200 rev/mins rotating speeds, banish foaming to the moulding box immediately, the demoulding, cooling.
It is shell and tube moving-bed dry distillation carbonizing furnace that the said bamboo charcoal of making bamboo charcoal powder is produced used charring furnace.
The invention has the beneficial effects as follows bamboo charcoal polyurethane foam composite material except that have moisture absorption inhale smelly, soft high resilience, make the people comfortable, also because of containing high absorption property and the greatly existence of the bamboo charcoal powder of specific surface area, the adsorptive value of free formaldehyde is greater than 5mg/g, negative ion burst size 50-400/cm
3Far infrared transmissivity 60%-90%, this matrix material is as the memory sponge when being used to make sofa, mattress, compartment sandwich material, and is in the good environment that pollution, the air that the people is placed oneself in the midst of be not subjected to or be subjected to Toxics such as free formaldehyde less be clean relatively, stimulate circulation, healthy.
[embodiment]
Further specify the present invention with several representational embodiment below the present invention: in the raw material of application and the weight part proportioning thereof, what amount was maximum is polyether glycol and tolylene diisocyanate, respectively account for 30-70 weight part (down together), this is to decide according to the density requirements of made foamed composite, require the high increasing polyether glycol share of density, reduce the share of tolylene diisocyanate and other frothing aid, require low density, then opposite.
(annotate: binary, ternary are respectively the abbreviation of polyether Glycols and polyether-tribasic alcohol in the table)
The production stage of this foamed composite is: the production of (1) bamboo charcoal powder: bamboo is split be broken into length less than the fragment of 30cm or use bamboo processing fent except that sawdust, place the charring furnace charing, the high-temperature zone temperature is controlled at 700-1100 ℃, charing 4-8 hour, cool off, unload charcoal, bamboo charcoal pulverizing just is placed on is ground into particle diameter 1000-3000 purpose bamboo charcoal powder in the Raymond mill; (2) preparation of compound bamboo charcoal powder: bamboo charcoal powder that step (1) is made and acrylic copolymer dispersion agent are that 1: 0.1～0.7 ratio mixing is standby by weight; (3) preparation of prepolymer: mixing is mixed thoroughly stand-by in the reactor under 26 ℃ of-30 ℃ of envrionment conditionss by each raw material of described all the other except that tolylene diisocyanate of claim 1 and weight part thereof; (4) making of foamed composite: the prepolymer that step (3) is mixed with keeps 26 ℃ of-30 ℃ of temperature, add 30-70 parts by weight of toluene vulcabond fast, stir 3-6 second with 1200 rev/mins rotating speeds, banish foaming to the moulding box immediately, the demoulding, cooling.
Above-mentioned and step (3), (4) relevant nine embodiment of usefulness illustrate each raw material and weight part proportion relation (detailed seeing the above table) thereof with tabular form.Now illustrate: will mix thoroughly with 100-500 rev/min rotating speed in 50 weight part polyether Glycols, 7 parts of bamboo charcoal powder, 3 parts of acrylic copolymer dispersion agents, 2 parts of silicone oil, 0.7 part of liquefied ammonia, 10 parts of methylene dichloride, 0.7 part of stannous octoate, the reactor of 7 parts of tap water under 26 ℃ of-30 ℃ of temperature condition with the embodiment 4 in the table, add 50 parts of tolylene diisocyanates fast, stirred for 4 seconds with 1200 rev/mins rotating speeds, banish to moulding box or specific forming mould, foaming, the demoulding, cooling promptly get foamed composite or the compound articles for use of foam (as back cushion etc.).Shown in the corresponding hurdle, method is with embodiment 4 in each raw material of all the other eight embodiment and the proportioning reference table.Wherein the foamed composite density made of embodiment 1-3 is low, and embodiment 4-6 is moderate, embodiment 7-8 density height.
It is perfect because of the charing in short-term of this stove selecting for use CN002630354 disclosed " shell and tube moving-bed dry distillation carbonizing furnace " to produce bamboo charcoal, and the bamboo charcoal that burns till more easily reaches the listed physical and chemical index of the application.This stove is by enterprise's production and sellings such as Zhejiang Fu Laisen company in Lishui of Zhejiang city.
It is to carry out in the jumbo close drying ware that reflux arranged that formaldehyde adsorptive value in the present techniques is measured, with reference to the National Standard Test methods of evaluating the properties of woodbased panels and surface decorated woodbased panels " measure.The negative ion burst size is measured with the negative ion determinator.The far infrared determinator is measured the far infrared transmissivity of this foamed composite.
Produce this foamed composite, also can add raw materials such as a certain amount of tinting material, oxidation inhibitor by different needs.
Claims (3)
1. the production method of a bamboo charcoal polyurethane foam composite material, it is characterized in that this matrix material includes following raw materials according and weight part thereof and forms: 30-70 part polyether glycol, 30-70 part tolylene diisocyanate, 5-10 part iodine sorption value are 500-700mg/g and particle diameter 1000-3000 purpose bamboo charcoal powder, 0.5-7 part acrylic copolymer, 1-3 part silicone oil, 0.5-1 part liquefied ammonia, 6-15 part methylene dichloride, 0.5-1 part stannous octoate, 5-10 part water, the formaldehyde adsorptive value of this matrix material is greater than 5mg/g, and the negative ion burst size is 50-400/cm
3, far infrared transmissivity is 60%-90%; The production method of this bamboo charcoal polyurethane foam composite material comprises the steps:
(1) production of bamboo charcoal powder: bamboo split be broken into length less than the fragment of 30cm or use bamboo processing fent except that sawdust, place the charring furnace charing, the high-temperature zone temperature is controlled at 700-1100 ℃, charing 4-8 hour, cool off, unload charcoal, place Raymond mill to be ground into particle diameter 1000-3000 purpose bamboo charcoal powder bamboo charcoal;
(2) preparation of compound bamboo charcoal powder: bamboo charcoal powder and acrylic copolymer that step (1) makes is standby for the ratio mixing of 1:0.1～0.7 by weight;
(3) preparation of prepolymer: mix thoroughly stand-by by mixing in the reactor under 26 ℃ of-30 ℃ of envrionment conditionss of each raw material of all the other except that tolylene diisocyanate and weight part thereof in the described raw material;
(4) making of foamed composite: the prepolymer that step (3) is mixed with keeps 26 ℃ of-30 ℃ of temperature, add 30-70 parts by weight of toluene vulcabond fast, stir 3-6 second with 1200 rev/mins rotating speeds, banish foaming to the moulding box immediately, the demoulding, cooling.
2. the production method of bamboo charcoal polyurethane foam composite material as claimed in claim 1 is characterized in that said polyether glycol is polyether Glycols and/or polyether-tribasic alcohol.
3. the production method of bamboo charcoal polyurethane foam composite material as claimed in claim 1 is characterized in that it is shell and tube moving-bed dry distillation carbonizing furnace that said bamboo charcoal powder is produced used charring furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 200810062728 CN101619165B (en) | 2008-07-01 | 2008-07-01 | Bamboo charcoal polyurethane foam composite material and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200810062728 CN101619165B (en) | 2008-07-01 | 2008-07-01 | Bamboo charcoal polyurethane foam composite material and production method thereof |
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| CN101619165A CN101619165A (en) | 2010-01-06 |
| CN101619165B true CN101619165B (en) | 2011-04-20 |
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| CN 200810062728 Expired - Fee Related CN101619165B (en) | 2008-07-01 | 2008-07-01 | Bamboo charcoal polyurethane foam composite material and production method thereof |
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Cited By (1)
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| CN102226035A (en) * | 2011-05-03 | 2011-10-26 | 浙江省林业科学研究院 | Production method for health-care semi-rigid polyurethane foams of bamboo charcoal composite powder |
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| CN101935450B (en) * | 2010-08-13 | 2012-04-18 | 南京林业大学 | Method for producing bamboo charcoal slow-resilience foam material |
| CN102443260B (en) * | 2011-09-30 | 2013-04-03 | 廖勇 | Bamboo-charcoal memory sponge and production method thereof |
| CN102643510A (en) * | 2012-04-16 | 2012-08-22 | 中国林业科学研究院亚热带林业研究所 | Carbon-phenolic foam composite material and preparation method thereof |
| CN102660116B (en) * | 2012-06-01 | 2014-03-19 | 福建大方海绵科技股份有限公司 | Environment-friendly mattress capable of promoting blood circulation and preparation method of mattress |
| CN102815240A (en) * | 2012-08-13 | 2012-12-12 | 浙江建中竹业科技有限公司 | Bamboo charcoal slow rebounding anti-skidding automobile seat cushion |
| CN102876004B (en) * | 2012-09-29 | 2014-04-23 | 湖南科技大学 | Polyurethane-based bamboo-plastic composite material preparation method |
| CN104341770A (en) * | 2013-07-25 | 2015-02-11 | 晋江凯基高分子材料有限公司 | Preparation technology of novel environmentally friendly polyurethane foamed plastic |
| CN103937199A (en) * | 2014-05-04 | 2014-07-23 | 吴江源盛工艺鞋业有限公司 | Bamboo charcoal memory sponge, antimicrobial deodorizing insole and shoe |
| CN104725831B (en) * | 2015-02-12 | 2017-08-29 | 宁波仕达实业有限公司 | The preparation method of ventilative antistatic polyurethane low resilience urethane foam resilient foam material |
| JP7091258B2 (en) * | 2016-06-29 | 2022-06-27 | プロプライアテクト・エル．ピー． | Foamed isocyanate polymer |
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| CN109796579A (en) * | 2019-03-05 | 2019-05-24 | 浙江德清昂沃泡沫塑料有限公司 | A kind of polyurethane sponge |
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| CN109971158B (en) * | 2019-04-25 | 2021-07-09 | 东莞市东城赤洪节能设备厂 | Bamboo charcoal environment-friendly material, preparation method and application thereof |
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| CN113083212A (en) * | 2021-03-12 | 2021-07-09 | 浙江工业大学 | Bamboo charcoal fiber-based biological filler, preparation method and application thereof in VOCs treatment |
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| CN114736347A (en) * | 2022-03-14 | 2022-07-12 | 中国神华煤制油化工有限公司 | Polyurethane sponge and preparation method and application thereof |
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Cited By (2)
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| CN102226035B (en) * | 2011-05-03 | 2012-08-15 | 浙江省林业科学研究院 | Production method for health-care semi-rigid polyurethane foams of bamboo charcoal composite powder |
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| CN101619165A (en) | 2010-01-06 |
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