CN105003059A - Wood-plastic floor produced by crop straws and production method of wood-plastic floor - Google Patents
Wood-plastic floor produced by crop straws and production method of wood-plastic floor Download PDFInfo
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- CN105003059A CN105003059A CN201510395754.6A CN201510395754A CN105003059A CN 105003059 A CN105003059 A CN 105003059A CN 201510395754 A CN201510395754 A CN 201510395754A CN 105003059 A CN105003059 A CN 105003059A
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Abstract
The invention discloses a wood-plastic floor produced by crop straws and a production method of the wood-plastic floor, and relates to the technical field of production of wood-plastic floors. The wood-plastic floor comprises a base material layer. The base material layer is prepared by the following raw materials in percentage by mass: 38-42% of crop straw powder, 20-23% of hard resin, 10-12% of calcium carbonate, 5-8% of modified bamboo powder, 4-6% of composite adhesives, 3-5% of palm wax, 2-3% of magnesium hydroxide, 0.5-1% of pigment and 8-10% of water. The hard resin wraps the crop straw powder to obtain high-molecular polymers with the straw powder inside; and various auxiliary filling materials and auxiliaries are used together, and the produced wood-plastic floor has high waterproof performance and high fireproof performance, and is high in hardness, low in production cost and high in safety and environmental protection property.
Description
Technical field:
The present invention relates to Wood-plastic floor production technical field, be specifically related to a kind of Wood-plastic floor and the production method thereof that utilize crop straws for producing.
Background technology:
Wood-plastic floor is a kind of novel environment-friendly wood-plastic composite material products, aborning, the wooden phenol that produces in high density fiberboard process, adds regenerated plastics and makes wood plastic composite through Granulation Equipments, then carry out extrusion group and make Wood-plastic floor.Outdoor flooring main material moulded by wood is polyethylene and wood powder or bamboo powder, and through adding auxiliary agent, after mixed at high speed, carry out granulation, re-use extruder and pellet is extruded into section bar, this type of floor can be used for garden landscape, the outdoor platforms such as villa.
In recent years, agricultural crop straw becomes the new source of Rural Plane Source Pollution.The annual summer harvest and when the autumn and winter, always has the stalks such as a large amount of wheats, corn to burn in field, creates a large amount of heavy smog, not only become the bottleneck problem of rural environmental protection, even become the arch-criminal of bringing disaster to urban environment.According to the relevent statistics, China, as large agricultural country, can generate more than 700,000,000 ton of stalk every year, becomes " use is little " but " discarded object " that must dispose.
In order to realize the comprehensive utilization to agricultural crop straw, our company develops a kind of method utilizing crop straws for producing Wood-plastic floor, and the Wood-plastic floor produced has more excellent waterproof, fireproof performance, and hardness is strong, and cost of production is lower, be suitable for suitability for industrialized production.
Summary of the invention:
Technical problem to be solved by this invention is that providing a kind of has fire-proof and water-proof performance and environment amenable Wood-plastic floor and the production method thereof utilizing crop straws for producing.
Technical problem to be solved by this invention adopts following technical scheme to realize:
Utilize a Wood-plastic floor for crop straws for producing, comprise substrate layer, described substrate layer is made up of the raw material of following mass fraction:
Agricultural residues powder 38-42%, animi resin 20-23%, calcium carbonate 10-12%, modified bamboo powder 5-8%, composite adhesive 4-6%, palm wax 3-5%, magnesium hydroxide 2-3%, pigment 0.5-1%, water 8-10%.
The production method of described agricultural residues powder first harvested agricultural crop straw is washed three times, then airing to moisture lower than 10%, pulverize through mill, sieve after impurity elimination, get 40 object powder and soak 5-8h in 5% dilute hydrochloric acid solution, filter, can use lower than 5% to moisture finally by oven drying.
Described agricultural crop straw is selected from one or more in rice straw, wheat stalk, maize straw, soybean stalk, broomcorn straw, sugarcane stalk.
The preparation method of described modified bamboo powder for first to soak 3-5h in 3-5% dilute nitric acid solution by bamboo powder, ultrasonic process 15-20min under supersonic frequency 22kHz, power 50-100W again, then equivalent Sodium Polyacrylate is added under stirring, be warming up to 75-80 DEG C of reaction 30-60min, reaction terminates rear filtration, filter cake washes three times, can use to moisture finally by oven drying lower than 5%.
Described composite adhesive is made up of mass fraction 25-30% tragacanth gum powder, 15-18% rosin, 8-12% swell soil and 45-50% water, its preparation method is for be first added to the water tragacanth gum powder, rosin is added after being warming up to 70-75 DEG C under stirring, the follow-up temperature of continuing rising of insulation 15-20min, 10-15min is incubated after temperature rises to 85-90 DEG C, add swell soil again, fully mix and naturally to cool afterwards, obtain composite adhesive.
Described Wood-plastic floor also comprises balance layer, decorative layer and wearing layer, and balance layer is located at below substrate layer, and decorative layer and wearing layer are located at above substrate layer successively.
Utilize a production method for the Wood-plastic floor of crop straws for producing, comprise the following steps:
(1) be first scattered in water by agricultural residues powder, then add animi resin, be warming up to 120-125 DEG C of insulation reaction 1-2h, reaction terminates rear standing cooling, obtains material I;
(2) material I is joined in high-speed mixer, and add calcium carbonate, modified bamboo powder and palm wax, composite adhesive and magnesium hydroxide is added after mixing 15-20min, material is warming up to 80-90 DEG C of mixing 10-15min, pigment is added after being finally cooled to 30-40 DEG C, stop mixing after 5-10min, obtain material II;
(3) add in ball mill by material II, join extrusion molding in extruder after ball milling 2-3h, extrusion temperature is 160-180 DEG C, obtains the substrate layer of Wood-plastic floor;
(4) on made substrate layer, lay decorative layer and wearing layer successively, bottom substrate layer, lay balance layer, obtain Wood-plastic floor through heat pressing process.
The invention has the beneficial effects as follows:
(1) be primary raw material with agricultural residues powder, there is the meaning of utilize resources synthetically, protection of the environment, achieve the recycling of stalk;
(2) utilize animi resin to wrap up agricultural residues powder, obtain the high molecular polymer of internal load powder of straw;
(3) by various auxiliary packing and auxiliary agent with the use of, the Wood-plastic floor produced has good waterproof, fireproof performance, and hardness is strong;
(4) extrusion temperature is relatively low, thus reduces energy consumption, and the extrusion temperature of general Wood-plastic floor is 180-200 DEG C, and extrusion temperature of the present invention is 160-180 DEG C;
(5) cost of production is lower, long service life, and Safety and Environmental Protection is strong, pollution-free, can be recycled.
Detailed description of the invention:
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiment, setting forth the present invention further.
Utilize a Wood-plastic floor for crop straws for producing, comprise substrate layer, described substrate layer is made up of the raw material of following mass fraction:
Wheat stalk 40%, animi resin 22%, calcium carbonate 10%, modified bamboo powder 6%, composite adhesive 5%, palm wax 4%, magnesium hydroxide 2%, pigment 1%, water 10%.
Raw material prepares:
(1) wheat stalk powder: first harvested wheat stalk is washed three times, then airing to moisture lower than 10%, pulverize through mill, sieve after impurity elimination, get 40 object powder and soak 5h in 5% dilute hydrochloric acid solution, filter, can use lower than 5% to moisture finally by oven drying.
(2) modified bamboo powder: first bamboo powder is soaked 3h in 3-5% dilute nitric acid solution, ultrasonic process 20min under supersonic frequency 22kHz, power 50-100W again, then equivalent Sodium Polyacrylate is added under stirring, be warming up to 75-80 DEG C of reaction 45min, reaction terminates rear filtration, filter cake washes three times, can use to moisture finally by oven drying lower than 5%.
(3) composite adhesive: be made up of mass fraction 30% tragacanth gum powder, 15% rosin, 8% swell soil and 47% water, its preparation method is for be first added to the water tragacanth gum powder, rosin is added after being warming up to 70-75 DEG C under stirring, the follow-up temperature of continuing rising of insulation 20min, 15min is incubated after temperature rises to 85-90 DEG C, add swell soil again, fully mix and naturally to cool afterwards, obtain composite adhesive.
Carry out the production of Wood-plastic floor according to above-mentioned raw materials formula, comprise the following steps:
(1) be first scattered in water by agricultural residues powder, then add animi resin, be warming up to 120-125 DEG C of insulation reaction 1h, reaction terminates rear standing cooling, obtains material I;
(2) material I is joined in high-speed mixer, and add calcium carbonate, modified bamboo powder and palm wax, composite adhesive and magnesium hydroxide is added after mixing 20min, material is warming up to 80-90 DEG C of mixing 15min, pigment is added after being finally cooled to 30-40 DEG C, stop mixing after 10min, obtain material II;
(3) add in ball mill by material II, join extrusion molding in extruder after ball milling 3h, extrusion temperature is 160-180 DEG C, obtains the substrate layer of Wood-plastic floor;
(4) on made substrate layer, lay decorative layer and wearing layer successively, bottom substrate layer, lay balance layer, obtain Wood-plastic floor through heat pressing process.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and manual just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (7)
1. utilize a Wood-plastic floor for crop straws for producing, comprise substrate layer, it is characterized in that, described substrate layer is made up of the raw material of following mass fraction:
Agricultural residues powder 38-42%, animi resin 20-23%, calcium carbonate 10-12%, modified bamboo powder 5-8%, composite adhesive 4-6%, palm wax 3-5%, magnesium hydroxide 2-3%, pigment 0.5-1%, water 8-10%.
2. the Wood-plastic floor utilizing crop straws for producing according to claim 1, it is characterized in that: the production method of described agricultural residues powder first harvested agricultural crop straw is washed three times, then airing to moisture lower than 10%, pulverize through mill, sieve after impurity elimination, get 40 object powder and soak 5-8h in 5% dilute hydrochloric acid solution, filter, can use lower than 5% to moisture finally by oven drying.
3. the Wood-plastic floor utilizing crop straws for producing according to claim 2, is characterized in that: described agricultural crop straw is selected from one or more in rice straw, wheat stalk, maize straw, soybean stalk, broomcorn straw, sugarcane stalk.
4. the Wood-plastic floor utilizing crop straws for producing according to claim 1, it is characterized in that: the preparation method of described modified bamboo powder for first to soak 3-5h in 3-5% dilute nitric acid solution by bamboo powder, ultrasonic process 15-20min under supersonic frequency 22kHz, power 50-100W again, then equivalent Sodium Polyacrylate is added under stirring, be warming up to 75-80 DEG C of reaction 30-60min, reaction terminates rear filtration, and filter cake washes three times, can use to moisture finally by oven drying lower than 5%.
5. the Wood-plastic floor utilizing crop straws for producing according to claim 1, it is characterized in that: described composite adhesive is made up of mass fraction 25-30% tragacanth gum powder, 15-18% rosin, 8-12% swell soil and 45-50% water, its preparation method is for be first added to the water tragacanth gum powder, rosin is added after being warming up to 70-75 DEG C under stirring, the follow-up temperature of continuing rising of insulation 15-20min, 10-15min is incubated after temperature rises to 85-90 DEG C, add swell soil again, fully mix and naturally to cool afterwards, obtain composite adhesive.
6. the Wood-plastic floor utilizing crop straws for producing according to claim 1, it is characterized in that: described Wood-plastic floor also comprises balance layer, decorative layer and wearing layer, balance layer is located at below substrate layer, and decorative layer and wearing layer are located at above substrate layer successively.
7. utilize a production method for the Wood-plastic floor of crop straws for producing as claimed in claim 1, it is characterized in that, comprise the following steps:
(1) be first scattered in water by agricultural residues powder, then add animi resin, be warming up to 120-125 DEG C of insulation reaction 1-2h, reaction terminates rear standing cooling, obtains material I;
(2) material I is joined in high-speed mixer, and add calcium carbonate, modified bamboo powder and palm wax, composite adhesive and magnesium hydroxide is added after mixing 15-20min, material is warming up to 80-90 DEG C of mixing 10-15min, pigment is added after being finally cooled to 30-40 DEG C, stop mixing after 5-10min, obtain material II;
(3) add in ball mill by material II, join extrusion molding in extruder after ball milling 2-3h, extrusion temperature is 160-180 DEG C, obtains the substrate layer of Wood-plastic floor;
(4) on made substrate layer, lay decorative layer and wearing layer successively, bottom substrate layer, lay balance layer, obtain Wood-plastic floor through heat pressing process.
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| CN201510395754.6A CN105003059A (en) | 2015-07-06 | 2015-07-06 | Wood-plastic floor produced by crop straws and production method of wood-plastic floor |
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| CN201510395754.6A CN105003059A (en) | 2015-07-06 | 2015-07-06 | Wood-plastic floor produced by crop straws and production method of wood-plastic floor |
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Cited By (6)
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|---|---|---|---|---|
| CN105820593A (en) * | 2016-05-27 | 2016-08-03 | 唐世群 | Composite sound insulation paint-free plate |
| CN106633491A (en) * | 2016-11-10 | 2017-05-10 | 梅庆波 | Production method of wood-plastic floor |
| CN107236324A (en) * | 2017-07-27 | 2017-10-10 | 重庆晋豪美耐皿制品有限公司 | Environment-friendly toughened wear-resisting stalk compound material and its manufacture method |
| CN109057231A (en) * | 2018-07-03 | 2018-12-21 | 合肥华盖光伏科技有限公司 | A kind of preparation method of environmental protection abrasive floor |
| CN109895212A (en) * | 2019-04-11 | 2019-06-18 | 吴春梅 | A kind of processing method producing formaldehydeless environmental and ecological plate using rice straw |
| CN110883895A (en) * | 2019-12-25 | 2020-03-17 | 李亚东 | Composite biological synthetic wood floor and production process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110883895A (en) * | 2019-12-25 | 2020-03-17 | 李亚东 | Composite biological synthetic wood floor and production process thereof |
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Application publication date: 20151028 |