CN105348838A - Straw foamed antibacterial material and preparation method therefor - Google Patents
Straw foamed antibacterial material and preparation method therefor Download PDFInfo
- Publication number
- CN105348838A CN105348838A CN201510834702.4A CN201510834702A CN105348838A CN 105348838 A CN105348838 A CN 105348838A CN 201510834702 A CN201510834702 A CN 201510834702A CN 105348838 A CN105348838 A CN 105348838A
- Authority
- CN
- China
- Prior art keywords
- parts
- straw
- stalk
- coupling agent
- quaternary ammonium
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/02—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by the reacting monomers or modifying agents during the preparation or modification of macromolecules
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2397/00—Characterised by the use of lignin-containing materials
- C08J2397/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
- C08J2475/08—Polyurethanes from polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
Abstract
The invention relates to a straw foamed antibacterial material and a preparation method therefor and belongs to the field of foam composite materials. The material comprises the following raw materials in parts by weight: 61-64 parts of straws, 15-18 parts of polyether polyol, 15-18 parts of isocyanic acid, 3-5 parts of an organosilicon quaternary ammonium salt antibacterial agent, 2-3 parts of a coupling agent, 2-4 parts of a stabilizer and 3-5 parts of tetramethylolphosphonium chloride. The straws as a natural plant material have natural hollow structures, and are good in heat-insulating and sound-isolating effects; by foaming the straws and adding the quaternary ammonium salt antibacterial agent, the mildew rate of the material is effectively inhibited, the antibacterial antiseptic property is enhanced, and the service life of the material is prolonged; by adding a tetramethylolphosphonium chloride flame retardant, the flame retardance of the material is enhanced; and by adopting a scientific processing method, the material is simple in preparation process and low in cost, meets the characteristics of being low in carbon and economical, can be used for manufacturing wallboards and fillers thereof, can be used in the field of buildings, home furnishing, automobiles and the like, and is suitable for industrial production.
Description
Technical field
The invention belongs to foamed composite field, be specifically related to a kind of straw foamed anti-biotic material and preparation method thereof.
Background technology
Stalk fibre, as a kind of native cellulose fibre, has good biodegradability, can become environmentally friendly product.At present these resources are not only well utilized, and we every summer and autumn, just can see the incineration flue gas of field.These flue gases are made troubles to the live and work of people, affect our living environment widely.
Along with the raising of expanding economy, living standards of the people, the use range of foam material is more and more wider, as packaging, damping, sound insulation, heat insulation etc. in use.Enter 21 century, along with the mankind are to the attention more of environment of depending on for existence, under the prerequisite meeting performance, for foamed material product propose economical and practical, facilitate attractive in appearance, reclaim well, be convenient to the requirements such as process.Society, conventional plastic foaming product demand is still very large, but due to the easily aging shortcoming of plastic material, and the problem of environmental pollution therefore produced is given prominence to gradually, makes conventional plastic foam material be subject to great restriction.Exploration utilizes agriculture stalk fibre, by foaming technique, prepares novel stalk fibre foam material, has actual application value, should be paid much attention to.
Wallboard is the material that house ornamentation is conventional, and pattern is multiple, diverse in function, and people can according to the wallboard needing selection suitable of oneself.People can find that after decoration wallboard is easily mouldy, and especially in a humid environment, the work-ing life of wallboard is shorter, is not durable.Existing wallboard also has other shortcoming, as poor performance such as insulation, sound insulation, fire prevention.The wallboard more renewed not only wastes resource, also greatly increases living cost, brings stealthy pressure.
Summary of the invention
For solving the deficiencies in the prior art, the object of the present invention is to provide a kind of straw foamed anti-biotic material, taking full advantage of agricultural crop straw is raw material, and add antiseptic-germicide, enhance the Antimicrobial preservative performance of material, add fire retardant, add the flame retardant properties of material, may be used for making wallboard.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of straw foamed anti-biotic material, is made up of the raw material of following parts by weight: stalk 61-64 part, polyether glycol 15-18 part, isocyanic acid 15-18 part, silicone Quaternary Ammonium Salt Antimicrobial Agent 3-5 part, coupling agent 2-3 part, stablizer 2-4 part, Tetrakis hydroxymethyl phosphonium chloride 3-5 part.
Described stalk is one or more in rice straw, straw, cornstalk, reed stalk.
Described coupling agent is silane coupling agent, as: KH-550, KH-560, KH-570.
Described stablizer is lead salt stabilizer, as: lead sulfate tribasic, dibasic lead phosphite, dibasic lead stearate.
The raw material that described a kind of straw foamed anti-biotic material is used all can buy acquisition.
A preparation method for straw foamed anti-biotic material, comprises the following steps:
Step one: adopt mechanical means to pulverize stalk, be broken into length and be less than 5mm, dry for standby;
Step 2: add polyether glycol, isocyanic acid, silicone Quaternary Ammonium Salt Antimicrobial Agent, coupling agent, stablizer, Tetrakis hydroxymethyl phosphonium chloride in the stalk after oven dry, mixing and stirring, stirring velocity is 100-120r/min, churning time is 6-8min, the natural foaming when room temperature reaches > 15 DEG C;
Step 3: the mixture in step 2 is mated formation into forming mould, in electric heating forming machine, cure under pressure is shaping, mold temperature 70-80 DEG C, pressure 3-6MPa, molding time 3-5min;
Step 4: excision forming.
Beneficial effect of the present invention is: stalk is as natural plant material, there is natural hollow structure, heat insulation, soundproof effect good, through foaming, and add silicone Quaternary Ammonium Salt Antimicrobial Agent, restrained effectively the mouldy rate of material, enhance the Antimicrobial preservative performance of material, extend the work-ing life of material; Add Tetrakis hydroxymethyl phosphonium chloride fire retardant, add the flame retardant properties of material; And preparation technology is simple, with low cost, meet low-carbon (LC), economic feature, may be used for making wallboard and weighting material thereof, for fields such as building, household, automobiles, be suitable for suitability for industrialized production.
Embodiment
Embodiment 1
A kind of straw foamed anti-biotic material, is made up of the raw material of following parts by weight: rice straw 61 parts, polyether glycol 15 parts, isocyanic acid 15 parts, silicone Quaternary Ammonium Salt Antimicrobial Agent 3 parts, silane coupling agent 2 parts, lead sulfate tribasic 2 parts, Tetrakis hydroxymethyl phosphonium chloride 3 parts.
Described silane coupling agent is KH-550 silane coupling agent.
A preparation method for straw foamed anti-biotic material, comprises the following steps:
Step one: adopt mechanical means to pulverize rice straw, be broken into length and be less than 5mm, dry for standby;
Step 2: add polyether glycol, isocyanic acid, silicone Quaternary Ammonium Salt Antimicrobial Agent, silane coupling agent, lead sulfate tribasic, Tetrakis hydroxymethyl phosphonium chloride in the rice straw after oven dry, mixing and stirring, stirring velocity is 100r/min, churning time is 6min, the natural foaming when room temperature reaches > 15 DEG C;
Step 3: the mixture in step 2 is mated formation into forming mould, in electric heating forming machine, cure under pressure is shaping, mold temperature 70 DEG C, pressure 3MPa, molding time 3min;
Step 4: excision forming.
Embodiment 2
A kind of straw foamed anti-biotic material, is made up of the raw material of following parts by weight: straw 64 parts, polyether glycol 18 parts, isocyanic acid 18 parts, silicone Quaternary Ammonium Salt Antimicrobial Agent 5 parts, silane coupling agent 3 parts, lead sulfate tribasic 4 parts, Tetrakis hydroxymethyl phosphonium chloride 5 parts.
Described silane coupling agent is KH-560 silane coupling agent.
A preparation method for straw foamed anti-biotic material, comprises the following steps:
Step one: adopt mechanical means to pulverize straw, be broken into length and be less than 5mm, dry for standby;
Step 2: add polyether glycol, isocyanic acid, silicone Quaternary Ammonium Salt Antimicrobial Agent, silane coupling agent, lead sulfate tribasic, Tetrakis hydroxymethyl phosphonium chloride in the straw after oven dry, mixing and stirring, stirring velocity is 120r/min, churning time is 8min, the natural foaming when room temperature reaches > 15 DEG C;
Step 3: the mixture in step 2 is mated formation into forming mould, in electric heating forming machine, cure under pressure is shaping, mold temperature 80 DEG C, pressure 6MPa, molding time 5min;
Step 4: excision forming.
Above to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.The protection domain that protection scope of the present invention should limit with claims is as the criterion.
Claims (7)
1. a straw foamed anti-biotic material, is characterized in that, is made up of the raw material of following parts by weight: stalk 61-64 part, polyether glycol 15-18 part, isocyanic acid 15-18 part, silicone Quaternary Ammonium Salt Antimicrobial Agent 3-5 part, coupling agent 2-3 part, stablizer 2-4 part, Tetrakis hydroxymethyl phosphonium chloride 3-5 part.
2. a kind of straw foamed anti-biotic material according to claim 1, is characterized in that, be made up of the raw material of following parts by weight: stalk 61 parts, polyether glycol 15 parts, isocyanic acid 15 parts, silicone Quaternary Ammonium Salt Antimicrobial Agent 3 parts, coupling agent 2 parts, stablizer 2 parts, Tetrakis hydroxymethyl phosphonium chloride 3 parts.
3. a kind of straw foamed anti-biotic material according to claim 1, is characterized in that, be made up of the raw material of following parts by weight: stalk 64 parts, polyether glycol 18 parts, isocyanic acid 18 parts, silicone Quaternary Ammonium Salt Antimicrobial Agent 5 parts, coupling agent 3 parts, stablizer 4 parts, Tetrakis hydroxymethyl phosphonium chloride 5 parts.
4. a kind of straw foamed anti-biotic material according to any one of claim 1-3, is characterized in that: described stalk is one or more in rice straw, straw, cornstalk, reed stalk.
5. a kind of straw foamed anti-biotic material according to any one of claim 1-3, is characterized in that: described coupling agent is silane coupling agent.
6. a kind of straw foamed anti-biotic material according to any one of claim 1-3, is characterized in that: described stablizer is lead salt stabilizer.
7. a preparation method for the straw foamed anti-biotic material described in any one of claim 1-6, comprises the following steps:
Step one: adopt mechanical means to pulverize stalk, be broken into length and be less than 5mm, dry for standby;
Step 2: add polyether glycol, isocyanic acid, silicone Quaternary Ammonium Salt Antimicrobial Agent, coupling agent, stablizer, Tetrakis hydroxymethyl phosphonium chloride in the stalk after oven dry, mixing and stirring, stirring velocity is 100-120r/min, churning time is 6-8min, the natural foaming when room temperature reaches > 15 DEG C;
Step 3: the mixture in step 2 is mated formation into forming mould, in electric heating forming machine, cure under pressure is shaping, mold temperature 70-80 DEG C, pressure 3-6MPa, molding time 3-5min;
Step 4: excision forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510834702.4A CN105348838A (en) | 2015-11-24 | 2015-11-24 | Straw foamed antibacterial material and preparation method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510834702.4A CN105348838A (en) | 2015-11-24 | 2015-11-24 | Straw foamed antibacterial material and preparation method therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105348838A true CN105348838A (en) | 2016-02-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510834702.4A Pending CN105348838A (en) | 2015-11-24 | 2015-11-24 | Straw foamed antibacterial material and preparation method therefor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108102070A (en) * | 2017-12-01 | 2018-06-01 | 浙江农林大学 | The method of plant fiber production nonflammable rigid polyurethane foam combination material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102690525A (en) * | 2012-05-29 | 2012-09-26 | 北京化工大学 | Wood-plastic composite material using sweet sorghum slag as enhanced phase and preparation method for wood-plastic composite material |
| CN103205133A (en) * | 2013-03-15 | 2013-07-17 | 成钢 | Functional floor tile produced by using waste PVC and agricultural waste |
| CN103396623A (en) * | 2013-07-15 | 2013-11-20 | 安徽济峰节能材料有限公司 | PVC (polyvinyl chloride) micro-foam floor and preparation method thereof |
| WO2014067156A1 (en) * | 2012-11-05 | 2014-05-08 | Ma Mingyuan | Environmentally friendly board obtained by recycling straw |
-
2015
- 2015-11-24 CN CN201510834702.4A patent/CN105348838A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102690525A (en) * | 2012-05-29 | 2012-09-26 | 北京化工大学 | Wood-plastic composite material using sweet sorghum slag as enhanced phase and preparation method for wood-plastic composite material |
| WO2014067156A1 (en) * | 2012-11-05 | 2014-05-08 | Ma Mingyuan | Environmentally friendly board obtained by recycling straw |
| CN103205133A (en) * | 2013-03-15 | 2013-07-17 | 成钢 | Functional floor tile produced by using waste PVC and agricultural waste |
| CN103396623A (en) * | 2013-07-15 | 2013-11-20 | 安徽济峰节能材料有限公司 | PVC (polyvinyl chloride) micro-foam floor and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 李桂林: "《高固体分涂料》", 30 September 2004, 化学工业出版社 * |
| 郝新敏 等: "《医用纺织材料与防护服装》", 31 January 2008, 化学工业出版社 * |
| 钱伯章: "《石油化工技术进展与市场分析（2008-2011年）》", 30 September 2011, 石油工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108102070A (en) * | 2017-12-01 | 2018-06-01 | 浙江农林大学 | The method of plant fiber production nonflammable rigid polyurethane foam combination material |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160224 |
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| RJ01 | Rejection of invention patent application after publication |