CN103305021B - A kind of fire-retardant rough and initial composite and manufacture method thereof - Google Patents
A kind of fire-retardant rough and initial composite and manufacture method thereof Download PDFInfo
- Publication number
- CN103305021B CN103305021B CN201310284740.8A CN201310284740A CN103305021B CN 103305021 B CN103305021 B CN 103305021B CN 201310284740 A CN201310284740 A CN 201310284740A CN 103305021 B CN103305021 B CN 103305021B
- Authority
- CN
- China
- Prior art keywords
- rough
- fire
- retardant
- initial composite
- app
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
What the present invention relates to is the rough and initial composite that a kind of nano silicon by rice straw, rice husk agricultural machining residue surface and APP produce home position polymerization reaction and reach fire-retardant object, and raw material is as following weight percent made: 30～40% rice straw, rice husk agricultural machining residue, 40～60% plastics, 8～15% APP, 1～2% lubricant. The invention still further relates to the preparation method of this fire-retardant rough and initial composite: agricultural machining residue is pulverized, then take in proportion agricultural machining residue, APP, plastics, the lubricant of pulverizing, carry out blend, obtain pre-composition, then by dry pre-composition, granulation and moulding, obtain fire-retardant rough and initial composite. After tested, the rough and initial composite preparing, oxygen index (OI) has improved 13%, and HRR has reduced 25%. Impact strength has increased by 65%. The present invention not only improves fire resistance and the impact property of prepared rough and initial composite, can also utilize agricultural wastes, protection of the environment.
Description
Technical field
The invention belongs to the manufacture field of composite, relate to a kind of nanometer that is rich in the agricultural machining residue surface of silicon matter by rice straw, rice huskSilica and APP generation home position polymerization reaction reach rough and initial composite and the manufacture method thereof of fire-retardant object.
Background technology
Along with string strengthens the continuous expansion of composite polyolefine material in applications such as building materials, interior decoration, toys, the fire safety of materialProperty more and more comes into one's own, and it is carried out to flame treatment and can ensure people's security of the lives and property, promotes the extensive use of material.
APP is a kind of fire retardant of phosphorous nitrogenous efficient halogen-free low toxicity, is commonly used to improve string and strengthens the fire-retardant of composite polyolefine materialPerformance. Under high temperature, APP resolves into rapidly ammonia and polyphosphoric acid, and polyphosphoric acid is strong dehydrating agent, can make the glycan dehydration carbonization in stringForm charcoal layer, isolated polymer contacts with oxygen, works to stop burning in solid phase; The aqueous vapor forming in dehydration and APP decomposeAmmonia can dilute the oxygen concentration in gas phase, thereby play stop burning effect. While using APP separately, exist addition relativelyGreatly, under the bad border of humidity, be easy to hydrolysis and run off to surface migration, cause the reduction of flame retarding efficiency, meanwhile, in the preparation process of compositeIn, APP is easily reunited, poor with the compatibility of composite, causes drawing abillity and impact property obviously to decline.
Along with the progress of nano material and nanosecond science and technology, adopting nano silicon to carry out fire-retardant is the field developing rapidly in recent years. CompoundIn material thermal decomposition and combustion process, the surface that nano silicon moves to system forms siliceous protective layer, play adiabatic and shielding double action,Retarding heat transmits. But, rely on separately nano silicon to carry out fire-retardant, effect is limited.
By nano silicon and APP synergistic are processed to composite, utilize cooperative effect between the two, play and promote into charcoal and stableBecome the effect of charcoal, improve the physical and mechanical properties of flame retarding efficiency, maintenance material.
Research shows, rice straw, rice husk agricultural machining residue, be rich in nano silicon by biomineralization at its outer surface, utilizes its tableThe nano silicon of face can be directly and APP produce synergistic effect, improve fire resistance, and need not add separately.
Summary of the invention
Object of the present invention: the nano silicon forming by biomineralization with rice straw, rice husk agricultural machining residue surface and APP produceHome position polymerization reaction, in the thermal decomposition and combustion process of composite, by the high reaction activity of nano silicon, the esterification of catalysis APP,Dehydration and cross-linking reaction, promote charcoal layer to form, and meanwhile, nano silicon can increase the heat endurance of charcoal layer, improves flame retarding efficiency.
Technical solution of the present invention: agricultural machining residue is pulverized, then taken in proportion the agricultural machining residue of pulverizing, poly-phosphorusAcid ammonium, plastics, lubricant, carry out blend, obtains pre-composition, then, by dry pre-composition, granulation and moulding, obtains fire-retardant rough and initial composite.
A manufacture method for fire-retardant rough and initial composite, is characterized in that carrying out according to the following steps:
(1) agricultural machining residue is made to 180～250 μ m particles by pulverizer;
(2) take by weight percentage 30～40% agricultural machining residue, 40～60% plastics, 8～15% APP, 1～2% profitLubrication prescription;
(3) above-mentioned the agricultural machining residue taking, plastics, APP, lubricant are carried out just mix, be then dried, dryTemperature is 105 DEG C, and be 2h drying time;
(4) above-mentioned dried mixture is placed in to dual-screw pelletizer and carries out granulation, barrel zone temperature is 120～140 DEG C, and die temperature is140～160 DEG C, screw speed is 50～70r/min;
(5) the rough and initial particle above-mentioned granulation being obtained, again through various mould moldings, cooling, is made fire-retardant rough and initial composite.
Advantage of the present invention: the nano silicon that the present invention forms by biomineralization using rice straw, rice husk agricultural machining residue surface asThe fire retarding synergist of APP, instead of add by the external world, not only improve the fire resistance of prepared rough and initial composite, refer to as improved oxygenNumber, reduces HRR, and can effectively improve the impact strength of rough and initial composite, can rationally utilize agricultural machining residue simultaneously,Protection of the environment.
Performance test shows: nano silicon and APP through agricultural machining residue surface produce rough and initial multiple that home position polymerization reaction formsCondensation material, oxygen index (OI) has improved 13%, and HRR is from 175kW/m2Be reduced to 132kW/m2, reduced 25%, HRR peak valueFrom 465kW/m2Be reduced to 350kW/m2, reduced by 25%. Impact strength is from 23kJ/m2Be increased to 38kJ/m2, increased by 65%.
Detailed description of the invention
Embodiment 1, makes 180～250 μ m particles by agricultural machining residue by pulverizer. Take by weight percentage 30% agricultural machining surplusExcess, 58～60% plastics, 8% APP, 1～2% lubricant. By the agricultural machining residue taking, plastics, APP,Lubricant carries out just mixed, dry, and baking temperature is 105 DEG C, and be 2h drying time; Then dried mixture is placed in to dual-screw pelletizerCarry out granulation, barrel zone temperature is 120～140 DEG C, and die temperature is 140～160 DEG C, and screw speed is 50～70r/min. Finally granulation is obtainedRough and initial particle, through various mould moldings, cooling, is made fire-retardant rough and initial composite. After tested, the rough and initial composite oxygen index (OI) preparing is 22%,HRR is 143kW/m2, HRR peak value is 400kW/m2, impact strength 36kJ/m2。
Embodiment 2, makes 180～250 μ m particles by agricultural machining residue by pulverizer. Take by weight percentage 36% agricultural machining surplusExcess, 50～54% plastics, 10% APP, 1～2% lubricant. By the agricultural machining residue taking, plastics, APP,Lubricant carries out just mixed, dry, and baking temperature is 105 DEG C, and be 2h drying time; Then dried mixture is placed in to dual-screw pelletizerCarry out granulation, barrel zone temperature is 120～140 DEG C, and die temperature is 140～160 DEG C, and screw speed is 50～70r/min. Finally granulation is obtainedRough and initial particle, through various mould moldings, cooling, is made fire-retardant rough and initial composite. After tested, the rough and initial composite oxygen index (OI) preparing is 23%,HRR is 160kW/m2, HRR peak value is 452kW/m2, impact strength 38kJ/m2。
Embodiment 3, makes 180～250 μ m particles by agricultural machining residue by pulverizer. Take by weight percentage 40% agricultural machining surplusExcess, 44～46% plastics, 15% APP, 1～2% lubricant. By the agricultural machining residue taking, plastics, APP,Lubricant carries out just mixed, dry, and baking temperature is 105 DEG C, and be 2h drying time; Then dried mixture is placed in to dual-screw pelletizerCarry out granulation, barrel zone temperature is 120～140 DEG C, and die temperature is 140～160 DEG C, and screw speed is 50～70r/min. Finally granulation is obtainedRough and initial particle, through various mould moldings, cooling, is made fire-retardant rough and initial composite. After tested, the rough and initial composite oxygen index (OI) preparing is 24%,HRR is 125kW/m2, HRR peak value is 350kW/m2, impact strength 32kJ/m2。
Claims (2)
1. a fire-retardant rough and initial composite, is characterized in that described fire-retardant rough and initial composite comprises following composition:
(1) rice straw, rice husk are rich in the agricultural machining residue of silicon matter, and percentage by weight is 30～40%, and agricultural machining residue is passed through to pulverizeMachine is made 180～250 μ m particles;
(2) plastics, percentage by weight is 40～60%;
(3) APP, percentage by weight is 8～15%;
(4) lubricant, percentage by weight is 1～2%.
2. the fire-retardant rough and initial composite of one according to claim 1, the preparation method who it is characterized in that fire-retardant rough and initial composite by belowStep is carried out:
(1) agricultural machining residue is made to 180～250 μ m particles by pulverizer;
(2) take by weight percentage 30～40% agricultural machining residue, 40～60% plastics, 8～15% APP, 1～2% profitLubrication prescription;
(3) above-mentioned the agricultural machining residue taking, plastics, APP, lubricant are carried out just mix, then dry, baking temperatureBe 105 DEG C, be 2h drying time;
(4) above-mentioned dried mixture is placed in to dual-screw pelletizer and carries out granulation, barrel zone temperature is 120～140 DEG C, and die temperature is140～160 DEG C, screw speed is 50～70r/min;
(5) the rough and initial particle above-mentioned granulation being obtained, again through various mould moldings, cooling, is made fire-retardant rough and initial composite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310284740.8A CN103305021B (en) | 2013-07-09 | 2013-07-09 | A kind of fire-retardant rough and initial composite and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310284740.8A CN103305021B (en) | 2013-07-09 | 2013-07-09 | A kind of fire-retardant rough and initial composite and manufacture method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103305021A CN103305021A (en) | 2013-09-18 |
| CN103305021B true CN103305021B (en) | 2016-05-18 |
Family
ID=49130756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310284740.8A Active CN103305021B (en) | 2013-07-09 | 2013-07-09 | A kind of fire-retardant rough and initial composite and manufacture method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103305021B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101698749A (en) * | 2009-11-03 | 2010-04-28 | 北京林业大学 | Wood-plastic composite material and prepration method thereof |
| CN102702767A (en) * | 2012-06-01 | 2012-10-03 | 南京林业大学 | Synergetic flame-retardant wood-plastic composite material and manufacturing method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102773905B (en) * | 2012-08-07 | 2014-09-17 | 安徽光明槐祥工贸集团有限公司 | Method for producing light wallboards by using rice hulls |
-
2013
- 2013-07-09 CN CN201310284740.8A patent/CN103305021B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101698749A (en) * | 2009-11-03 | 2010-04-28 | 北京林业大学 | Wood-plastic composite material and prepration method thereof |
| CN102702767A (en) * | 2012-06-01 | 2012-10-03 | 南京林业大学 | Synergetic flame-retardant wood-plastic composite material and manufacturing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| "热塑性塑料基/稻壳粉复合材料燃烧特性研究";徐朝阳，等;《塑料工业》;20090930;第37卷(第9期);第54-56,60页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103305021A (en) | 2013-09-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102702767B (en) | Synergetic flame-retardant wood-plastic composite material and manufacturing method thereof | |
| CN103012904B (en) | Halogen-free flame-retardant master batch | |
| CN101565543A (en) | Halogen-free flame-retardant nylon 6 material and preparation method thereof | |
| JP2015520099A5 (en) | ||
| CN105348635A (en) | Nano cooperative intumescent flame retardant and toughening polypropylene blend composite material and preparation method thereof | |
| CN103305021B (en) | A kind of fire-retardant rough and initial composite and manufacture method thereof | |
| CN103496681A (en) | Method for preparing aluminum hypophosphite | |
| CN104859024A (en) | High-strength flame-retardant and low-cost waste wood regeneration method | |
| CN110054809B (en) | Composite flame retardant, preparation method thereof and application thereof in polypropylene | |
| CN104497508A (en) | Preparation method of PLA composite material used for baby bath | |
| CN106280564A (en) | A kind of preparation method of surface modified superfine magnesium hydroxide | |
| CN106674595A (en) | Preparation method of environment-friendly compound fire retarding agent used for flame retardant plastic | |
| CN102942796B (en) | Flame retardant wood composite door core material and preparation method thereof | |
| CN102936405A (en) | Preparation method of microencapsulated flame-retardant ABS (Acrylonitrile Butadiene Styrene)/PC (Poly Carbonate) alloy | |
| CN104845193A (en) | Flame-retardant PET/PTT/nano-TiO2 composite material | |
| CN104559270A (en) | Preparation method of fire-retardant wood fiber-polypropylene composite material | |
| CN103483811A (en) | Zirconate modified magnesium hydroxide synergistic flame-retardant composite material and preparation method thereof | |
| CN102504429A (en) | Flame-retardant polystyrene nano-composite material and preparation method thereof | |
| CN103205099A (en) | Microencapsulated flame retardant alloy making method | |
| CN102241895B (en) | Environment-friendly flame-retardant nylon 6 nano composite material and preparation method thereof | |
| CN107227000A (en) | One kind fire prevention sound absorption expelling parasite environmental-protecting foam material and preparation method thereof | |
| CN105439623A (en) | High temperature resistant and flame retardant sand-based water permeable bricks and preparation method thereof | |
| CN105153364A (en) | Brucite composite water absorbent and preparation method thereof | |
| CN109942970A (en) | A kind of fire-retardant PS composite material | |
| CN102993677A (en) | Process for manufacturing flame-retardant microencapsulation acrylonitrile butadiene styrene (ABS)/ polycarbonate (PC) alloy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |