CN1165836A - Foaming shaped compound material - Google Patents
Foaming shaped compound material Download PDFInfo
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- CN1165836A CN1165836A CN 96107515 CN96107515A CN1165836A CN 1165836 A CN1165836 A CN 1165836A CN 96107515 CN96107515 CN 96107515 CN 96107515 A CN96107515 A CN 96107515A CN 1165836 A CN1165836 A CN 1165836A
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- foaming
- component
- shaped compound
- compound material
- colloidal materials
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Abstract
A composite shaped by foaming is composed of non-metal minerals or industrial waste powder, plant fibre, colloid, thermal decomposition foaming agent and assistant through mixing the components other than liquid, heating water and liquid components as required, stirring with solid components and foaming shaping in thermal mould. It features low specific weight, high strength and heat and sound insulations, good damping nature and natural degradation after being used. It is suitable to make disposable products.
Description
The invention belongs to technical field of composite materials, particularly a kind of foaming shaped compound material.This material is having wide practical use such as fields such as disposable use goods such as fast food tableware, buffering package and material of construction.
Disposable use goods such as fast food tableware and buffering packing for guaranteeing food sanitation, provide aspects such as effective packing in modern society, have brought into play good economic and social benefit.But mainly adopt plastic foam materials such as polystyrene foamed, polyethylene foamed to make because of it, and that such material can not be degraded is rotten in nature in the discarded back of its goods, the recycling difficulty causes serious environmental pollution; And its goods still use the chlorofluorocarbon class whipping agent that atmospheric ozone layer is had the havoc effect in process of production.For this reason, press for the effective equivalent material of searching.
Propose at present in order to the material that substitutes porous plastics existing many, as cardboard, degradable plastics, starch and derivative thereof, viscose condensation material, or the like.These materials all have weak point: or because of it aggregate resource consumption is big in process of production, the environmental pollution of generation is even more serious; Or restricted because of its raw material sources, be difficult to satisfy a large amount of needs that use; Or poor because of its processing performance, be not enough to adapt to large-scale industrial production; Or the like.
Two application for a patent for invention CN1080301A and CN1111652A to Patent Office of the People's Republic of China application at above-mentioned situation, have proposed with natural macromolecular material, are main raw material as crop stalk fiber etc., biodegradable Pollutionless foaming material.The goods that this material adopts unique hot-die foaming drying process (seeing the application for a patent for invention of submitting to Patent Office of the People's Republic of China 94104054.2) to make are for the equivalent material that solves porous plastics provides a practicable approach.The related material of foregoing invention patent application has following distinguishing feature: carry out the hot-die foaming through ad hoc approach, die sinking can obtain the moulded parts of dryness finalization.
The present invention be directed to the distinguishing feature of CN1080301A and the related material of CN1111652A application for a patent for invention, it is more extensive to have proposed raw material sources, and lower cost, processing performance be good, constitute and make its over-all properties can satisfy the foaming dry composite material of different needs respectively by adjusting component.
What the present invention proposed is main raw material with non-metallic minerals or industrial solid castoff powder, be equipped with Vegetrable fibre material, colloidal materials, thermal decomposition of blowing agent, auxiliary agent, through the foaming shaped compound material that ad hoc approach is made, the weight percent of described material each component is:
(1) 15%～70% non-metallic minerals or industrial solid castoff powder;
(2) 10%～35% Vegetrable fibre material;
(3) 7%～20% colloidal materials;
(4) 0.4%～2% thermal decomposition of blowing agent;
(5) 0.5%～8% auxiliary agent;
Described ad hoc approach is: earlier the each component beyond the liquid component is pre-mixed evenly; Again with an amount of water and liquid component, look the needs of room temperature and dissolving (or gelatinization) colloidal materials, be heated to certain temperature, pour into and be pre-mixed in the uniform dried ingredients, stir kneading evenly standby (calling standby material in the following text) rapidly, the water ratio of standby material should be between 40%～70% by its weight percent meter; With of the requirement of standby material by hot-die injection moulding or compression-molding process, quantitatively drop in the mould, carry out the hot-die foaming, die sinking after 20～120 seconds, the demoulding can obtain the moulded parts (referring to Chinese patent application CN94104054.2) of its dryness finalization.
Below content of the present invention is elaborated:
Component (1) plays a part skeleton formation and filling as main raw material, can be non-metallic minerals, as clay, kaolin, talcum, lime carbonate, wilkinite, atlapulgite, Wingdale, pearlstone; Or industrial solid castoff, as flyash; Aluminium metallurgy red soil.Its raw material form is dry powdered, and fineness is 45～325 orders, is preferably 100～200 orders.Can select a kind of or several compositions in the above-mentioned materials.When foaming, be the major ingredient of colloidal materials institute embedding, a part on air film surface that sandwich layer becomes along the bubble drum with the Vegetrable fibre material bonding that is interweaved, form loose porous shape skeleton; Another part under the effect of pressure, along with the discharge of gas and moisture by with to the surface of mould cavity, pile up to fill and form tight slick thin layer, form the surface of goods.Because component of the present invention (1) wants much thin than the Vegetrable fibre material of CN1080301A and CN1111652A application for a patent for invention, its filling effect is better, and the product surface of formation is more closely smooth.
Component (2) plays the fiber reinforcement effect, can be annual or the per nnial herb straw, and as the Vegetrable fibre material that straw, wheat straw, cotton stalk, bagasse, reed etc. form through suitably handling, its water content is between 8%～15%.Treatment process is seen the application for a patent for invention of submitting to Patent Office of the People's Republic of China 95105304.0.In the present invention, mixing Vegetrable fibre material, is to utilize intensity of himself and the mutual power that involves thereof, and increases the toughness of sandwich layer skeleton structure, improves the comprehensive strength of goods.
The colloidal materials of component (3) plays bubble film forming and cohesive action, can be the grain of rich in starch, as flour, corn, potato class; Polysaccharose substance is as starch and derivative thereof, agar; Proteinaceous substances is as casein food grade, gelatine; And polyvinyl alcohol; Perhaps alginates.Can select a kind of or several compositions in the above-mentioned materials for use, they can be liquid colloid aqueous solutions; Also can be that fineness is 100～1250 purpose dried powders.When foaming, colloidal materials plays cohesive action on the one hand, play the bubble filming function on the other hand, when the bubble formation of sandwich layer, for just more being interweaved along bubble chamber film, the component (1) of colloidal materials institute embedding and component (2) bond together, along with collapse of bubbles, formed poroid skeleton.The formation of bubble, break, form again the repeatedly circulation of this process, make the sandwich layer of goods form loose porous shape skeleton.This process also plays the evenly moulding effect of full entire die die cavity of material that promotes simultaneously.
The thermal decomposition of blowing agent of component (4) can be sodium bicarbonate NaHCO
3, bicarbonate of ammonia NH
4HCO
3, N, N '-dinitroso five methyne tetramines (chemical formula be called for short DPT), Cellmic C 121 (chemical formula is called for short AC).Equally distributed whipping agent in the present invention relates to material when foaming, is heated and decomposes rapidly, emit a large amount of gases, in material, form tiny and uniform bubble, and in material contained humidity vaporization and the water vapour that produces produces 0.2～0.5MPa/cm in mould cavity
2Pressure, promote the evenly full entire die die cavity of material.
The auxiliary agent of component (5) can be alum, borax, glycerine, urea, rosin and derivative thereof or emulsion, stearate and emulsion thereof, wax and emulsion thereof, silicone oil.The initiator of their effect or thermal decomposition of blowing agent is to reduce the kick off temperature of its decomposition; Or, be beneficial to the formation of bubble in order to improve the film forming properties of colloidal materials; Or utilize its moisture absorption performance, make goods keep certain humidity, to improve the over-all properties of goods; Or utilize its water repellency, improve anti-hot water or cold water's performance of this material.The requirement of material moulded parts according to the present invention, optional with a kind of in the above-mentioned materials or several.
In the ad hoc approach that the present invention mentions, why add a certain amount of water, the one, make material involved in the present invention before the foaming drying, have certain plasticity, in mould, be convenient to moulding; The 2nd, when foaming was dry, the moisture vaporization of being heated produced a large amount of water vapour, and the gas with whipping agent sends produces 0.2～0.5MPa/cm in mould cavity
2Pressure, promote the evenly full entire die die cavity of material; The 3rd, the gasification of moisture also has the bubble formation effect.Why water and liquid component will be heated to certain temperature, be to dissolve (then being gelatinization for the starch based colloidal materials) for the colloidal materials that makes the dried powder form.And dry component need be pre-mixed evenly, is for colloidal materials enough being disperseed, dissolving or gelatinization to guarantee it.
The material that the present invention relates to has good molding process planning performance, cooperation is with the hot-die foaming drying process (seeing also Chinese patent application CN94104054.2) of uniqueness, its pressing is looked from its section, sandwich layer is loose porous shape skeleton, it is tight slick thin layer that the surface is from inside to outside progressively transition, and its proportion is 0.2～0.5g/cm
3This particular structure invests this material with performances such as light specific gravity, intensity height, heat insulation, sound insulation and bumper and absorbing shocks.Be specially adapted to make disposable use goods.Slick outside surface can print or be painted.This material can be according to the requirement of packaging application, at its surface-coated one coating, and, hot water anti-cold and the greasy needs of deadening further to satisfy.This material also serves many purposes except can be used as wrapping material: make material of construction, furniture, sports equipment, as golf holder, or the like.Can also make it antistatic by mixing conductive powder, to satisfy special needs.
The present invention relates to the moulded parts of material, can be used as the work in-process blank,, make the foamed ceramic goods, thereby realize improvement blank-making technology in the ceramics through high temperature sintering.
The material that the present invention relates to, its raw material mainly is selected from natural materials, has good environment protection characteristic.Energy consumption is low in its production process, and the produced pollution is little; Nontoxic in use; Can dissolve naturally after discarded or biodegradable,, can not cause environmental pollution by environment is dissolved.
Embodiment one: a kind of component title and ratio of weight and number thereof of foaming shaped compound material are as follows:
| Talcum | The wheat straw fiber material | Starch | ??DPT | Urea |
| ??70 | ????50 | ???30 | ???2 | ????2 |
Manufacture method: earlier each component is mixed, with heating reach about 95 ℃ etc. the water of weight, pour rapid stirring while hot into, make starch pasting wherein, standby after even through stirring kneading fully; With the material for preparing, quantitatively inject the injection mold that heats, carry out its hot-die foaming, after 45 seconds, get final product die sinking approximately, just obtain this material moulded parts of dryness finalization.
Embodiment two: a kind of component title and ratio of weight and number thereof of foaming shaped compound material are as follows:
| Clay | The wheat straw fiber material | Starch | ?DPT | Urea |
| 130 | ????30 | ???30 | ??2 | ???2 |
Manufacture method: the each component except that clay is mixed, and is that the water of above-mentioned full component weight 80% is heated to about 95 ℃ with weight, pours rapid stirring while hot into, treat starch pasting wherein after, pour clay again into, standby after fully stirring kneading evenly; With the material for preparing, quantitatively drop in the compression tool that heats, carry out its hot-die foaming, after 40 seconds, get final product die sinking approximately, just obtain this material moulded parts of dryness finalization.Embodiment three: a kind of component title and ratio of weight and number thereof of foaming shaped compound material are as follows:
| Talcum | The wheat straw fiber material | Starch | Zinic stearas | ??DPT | Urea |
| ??70 | ????50 | ???30 | ????20 | ???2 | ????2 |
Manufacture method: the component beyond will dewatering earlier mixes, with heating reach about 95 ℃ etc. the water of weight, pour rapid stirring while hot into, make starch pasting wherein, standby after even through stirring kneading fully; With the material for preparing, quantitatively drop in the compression tool that heats, carry out its hot-die foaming, after 40 seconds, get final product die sinking approximately, just obtain this material moulded parts that dryness finalization has certain solar heat protection water-based energy.
Claims (9)
1. one kind is main raw material with non-metallic minerals or industrial solid castoff powder, be equipped with Vegetrable fibre material, colloidal materials, thermal decomposition of blowing agent, auxiliary agent and water, foaming shaped compound material through ad hoc approach is made is characterized in that: the weight percent of described material each component is:
The powder composition of (1) 15%～70% non-metallic minerals or industrial solid castoff powder or non-metallic minerals and industrial solid castoff;
(2) 10%～35% Vegetrable fibre material;
(3) 7%～20% colloidal materials;
(4) 0.4%～2% thermal decomposition of blowing agent;
(5) 0.5%～8% auxiliary agent;
Described ad hoc approach is: earlier the each component beyond the liquid component is pre-mixed evenly; Again with an amount of water and liquid component, look the needs of room temperature and dissolving (or gelatinization) colloidal materials, be heated to certain temperature, pour into and be pre-mixed in the uniform dried ingredients, stir kneading evenly standby (being called standby material) rapidly, the water ratio of standby material should be between 40%～70% by its weight percent meter; With of the requirement of standby material by hot-die injection moulding or compression-molding process, quantitatively drop in the mould, carry out the hot-die foaming, die sinking after 20～120 seconds, the demoulding can obtain the moulded parts of its dryness finalization.
2. foaming shaped compound material according to claim 1 is characterized in that: the non-metallic minerals in the described component (1) can be for clay, kaolin, talcum, lime carbonate, wilkinite, Wingdale, atlapulgite, pearlstone or by two or more composition formed in the above-mentioned materials.
3. foaming shaped compound material according to claim 1 is characterized in that: the industrial solid castoff in the described component (1) can be flyash, aluminium metallurgy red soil etc.
4. according to claim 2 or 3 described non-metallic minerals and industrial solid castoffs, it is characterized in that: the form of described material is Powdered, and its fineness is preferably 100～200 orders between 45～325 orders.
5. foaming shaped compound material according to claim 1 is characterized in that: the Vegetrable fibre material in the described component adopts straw, wheat straw, bagasse, cotton stalk, and herbaceous plant feedstock production such as reed form.
6. foaming shaped compound material according to claim 1 is characterized in that: the colloidal materials in the described component (2) can be the grain of rich in starch, as flour, corn, potato class; Polysaccharose substance and derivative thereof are as starch and derivative thereof, chitin, agar; Proteinaceous substances is as casein food grade, gelatin; Polyvinyl alcohol; Alginates; Carboxyl methyl cellulose; Can also form by the composition that above-mentioned materials is formed.
7. colloidal materials according to claim 6 is characterized in that: the form of described material can be Powdered, and its fineness is 100～1250 orders.
8. foaming shaped compound material according to claim 1 is characterized in that: the thermal decomposition of blowing agent in the described component can be sodium bicarbonate NaHCO
3, bicarbonate of ammonia NH
4HCO
8, N, N '-dinitroso five methyne tetramine DPT, Cellmic C 121 AC.
9. foaming shaped compound material according to claim 1 is characterized in that: the present invention relates to the moulded parts of material, can be used as the work in-process blank, through high temperature sintering, make the foamed ceramic goods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96107515 CN1165836A (en) | 1996-05-16 | 1996-05-16 | Foaming shaped compound material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96107515 CN1165836A (en) | 1996-05-16 | 1996-05-16 | Foaming shaped compound material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1165836A true CN1165836A (en) | 1997-11-26 |
Family
ID=5119627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96107515 Pending CN1165836A (en) | 1996-05-16 | 1996-05-16 | Foaming shaped compound material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1165836A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100400267C (en) * | 2001-03-29 | 2008-07-09 | 铃木工业株式会社 | Apparatus for producing foamed moldings, and methos for producing laminated foamed moldings and foamed molding produced thereby |
| CN100447205C (en) * | 2005-02-16 | 2008-12-31 | 唐相平 | Plant fiber foamed products and method for preparing same |
| EP2032470A1 (en) * | 2006-06-16 | 2009-03-11 | The Biodegradable Technologies General Partnership | Biodegradable compositions, articles prepared from biodegradable compositions and manufacturing methods |
| CN102603357A (en) * | 2012-03-22 | 2012-07-25 | 江苏南瓷绝缘子有限公司 | Method for manufacturing foam ceramic heat-insulation plate with closed pores |
| CN103408830A (en) * | 2013-07-08 | 2013-11-27 | 陈志冲 | Plate with sound insulation effect |
| CN104177120A (en) * | 2014-08-14 | 2014-12-03 | 合肥科斯孚安全科技有限公司 | Preparation method of low-cost light-weight fly ash porous thermal-insulation material |
| CN104177119A (en) * | 2014-08-14 | 2014-12-03 | 合肥科斯孚安全科技有限公司 | Preparation method of heat insulating porous ceramic made from light coal ash |
| CN104194372A (en) * | 2014-09-01 | 2014-12-10 | 江南大学 | Corrosion-inhibition-type plant fiber foaming material and preparation method thereof |
| CN104530737A (en) * | 2014-12-30 | 2015-04-22 | 桐城市福润包装材料有限公司 | Shaddock peel-simulated cushion packaging material |
| CN105621957A (en) * | 2015-12-24 | 2016-06-01 | 沈维益 | Ash calcium powder foamed composite packaging sheet |
| CN105951550A (en) * | 2016-05-10 | 2016-09-21 | 四川理工学院 | Construction method for cement concrete subgrade |
| CN106258579A (en) * | 2016-08-07 | 2017-01-04 | 汪洋 | A kind of jack mould of Tillandsia cultivation pedestal |
| CN111303492A (en) * | 2020-03-29 | 2020-06-19 | 浙江金晟环保股份有限公司 | Ultra-light plant fiber composite material with waterproof function and applied to degradable dinner plate and preparation method thereof |
| CN115519854A (en) * | 2022-10-12 | 2022-12-27 | 四川迪弗电工科技有限公司 | Heat-insulating unsaturated polyester glass fiber laminated board and preparation method thereof |
-
1996
- 1996-05-16 CN CN 96107515 patent/CN1165836A/en active Pending
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100400267C (en) * | 2001-03-29 | 2008-07-09 | 铃木工业株式会社 | Apparatus for producing foamed moldings, and methos for producing laminated foamed moldings and foamed molding produced thereby |
| CN100447205C (en) * | 2005-02-16 | 2008-12-31 | 唐相平 | Plant fiber foamed products and method for preparing same |
| EP2032470A1 (en) * | 2006-06-16 | 2009-03-11 | The Biodegradable Technologies General Partnership | Biodegradable compositions, articles prepared from biodegradable compositions and manufacturing methods |
| EP2032470A4 (en) * | 2006-06-16 | 2010-06-09 | Biodegradable Technologies Gen | Biodegradable compositions, articles prepared from biodegradable compositions and manufacturing methods |
| CN102603357A (en) * | 2012-03-22 | 2012-07-25 | 江苏南瓷绝缘子有限公司 | Method for manufacturing foam ceramic heat-insulation plate with closed pores |
| CN102603357B (en) * | 2012-03-22 | 2013-12-11 | 江苏南瓷绝缘子有限公司 | Method for manufacturing foam ceramic heat-insulation plate with closed pores |
| CN103408830A (en) * | 2013-07-08 | 2013-11-27 | 陈志冲 | Plate with sound insulation effect |
| CN104177119A (en) * | 2014-08-14 | 2014-12-03 | 合肥科斯孚安全科技有限公司 | Preparation method of heat insulating porous ceramic made from light coal ash |
| CN104177120A (en) * | 2014-08-14 | 2014-12-03 | 合肥科斯孚安全科技有限公司 | Preparation method of low-cost light-weight fly ash porous thermal-insulation material |
| CN104177119B (en) * | 2014-08-14 | 2015-09-16 | 合肥科斯孚安全科技有限公司 | A kind of preparation method of light flyash heat insulating porous ceramics |
| CN104177120B (en) * | 2014-08-14 | 2015-12-02 | 合肥科斯孚安全科技有限公司 | A kind of preparation method of low cost light flyash porous insulation material |
| CN104194372A (en) * | 2014-09-01 | 2014-12-10 | 江南大学 | Corrosion-inhibition-type plant fiber foaming material and preparation method thereof |
| CN104530737A (en) * | 2014-12-30 | 2015-04-22 | 桐城市福润包装材料有限公司 | Shaddock peel-simulated cushion packaging material |
| CN105621957A (en) * | 2015-12-24 | 2016-06-01 | 沈维益 | Ash calcium powder foamed composite packaging sheet |
| CN105951550A (en) * | 2016-05-10 | 2016-09-21 | 四川理工学院 | Construction method for cement concrete subgrade |
| CN106258579A (en) * | 2016-08-07 | 2017-01-04 | 汪洋 | A kind of jack mould of Tillandsia cultivation pedestal |
| CN111303492A (en) * | 2020-03-29 | 2020-06-19 | 浙江金晟环保股份有限公司 | Ultra-light plant fiber composite material with waterproof function and applied to degradable dinner plate and preparation method thereof |
| CN115519854A (en) * | 2022-10-12 | 2022-12-27 | 四川迪弗电工科技有限公司 | Heat-insulating unsaturated polyester glass fiber laminated board and preparation method thereof |
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