CN105238025A - Diatomite-containing plant type soft polyurethane foam for seamless wallpaper, and preparation method thereof - Google Patents
Diatomite-containing plant type soft polyurethane foam for seamless wallpaper, and preparation method thereof Download PDFInfo
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- CN105238025A CN105238025A CN201510598317.4A CN201510598317A CN105238025A CN 105238025 A CN105238025 A CN 105238025A CN 201510598317 A CN201510598317 A CN 201510598317A CN 105238025 A CN105238025 A CN 105238025A
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Abstract
The invention discloses a diatomite-containing plant type soft polyurethane foam for seamless wallpaper. The diatomite-containing plant type soft polyurethane foam is prepared from, by weight, 0.07-0.08 parts of triethylamine, 0.2-0.26 parts of dibutyltin dilaurate, 0.28-0.34 parts of water, 56-58 parts of 2,4-toluene diisocyanate, 0.9-1.1 parts of an organosilicon foam stabilizer, 85-87 parts of polyethylene glycol 400, 9.5-10 parts of glycerin, 18-20 parts of corn straws, 1.3-1.5 parts of diatomite, 0.2-0.4 parts of ammonium biphosphate, 0.2-0.4 parts of water glass, 1.6-1.8 parts of hydroxyl-terminated polybutadiene, a proper amount of a 0.2% sodium hydroxide solution, 9-10 parts of waste tire rubber powder and 3-3.2 parts of concentrated sulfuric acid. Diatomite, water glass and hydroxyl-terminated polybutadiene are used in the invention, so the flexibility, the resilience and the flame retardation property of the foam are improved.
Description
Technical field
The present invention relates to polyurethane foam preparing technical field, particularly relate to a kind of containing diatomaceous seamless wallpaper plant type flexible PU foam and preparation method thereof.
Background technology
The present invention relates to polyurethane foam preparing technical field, particularly relate to a kind of uvioresistant seamless wallpaper plant type flexible PU foam and preparation method thereof.
Background technology
Urethane foam is one of cushioning material commonly used in packaging industry, and it is the same with most macromolecular material, is faced with the challenge of resources and environment aspect.Containing chemical substances such as Mierocrystalline cellulose, hemicellulose and lignins in general plant materials; utilize these to have the environment-friendly and bio raw material of Natural Degradation, become one of the importance of countries in the world particularly developed country's environment protection and the strategy of sustainable development.China, as a large agricultural country, will produce several hundred million tons of stalks every year, but these huge Biological resources are not fully used so far.Although plant fiber material has storing energy, renewable, the physicochemical property of the relative ideals such as easy decomposition, but due to indissoluble, the characteristic of infusibility, easy-formation processing unlike plastics, be difficult to direct utilization, if liquefied under certain condition, make Mierocrystalline cellulose in plant, the Substance Transformation such as hemicellulose and lignin is the fluent meterial with certain reactive behavior, then can as the raw material preparing polymer substance, this is one of approach of plant resources high value added utilization, many investigators are to this has been a large amount of work, like this, both the production cost of material can have been reduced, resource problem can be alleviated again.
" preparation of plant type flexible PU foam and shock-absorbing capacity research " have studied with agricultural wastes-maize straw as raw material, polyhydroxy-alcohol is utilized to make it liquefy under certain condition, obtain the liquefied product of certain hydroxy radical content, then by preparing urethane foam with isocyanate reaction, analyze the shock-absorbing capacity of resulting materials simultaneously, this foam materials shock-absorbing capacity is excellent, has the potentiality in packaging field application.
At Interior Decoration Industry, often use wallpaper, wall paper and manual Soft Roll.Soft Roll wallpaper has the feature of feel stereoscopic sensation, often use polyurethane foamed material, if above-mentioned foam materials is used for wallpaper, the performance such as the tensile strength of this foam materials, weather resistance, thermotolerance, water tolerance, spatter property, shockproof, heat insulation, sound insulation can't be satisfied the demand, and needs to improve.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of containing diatomaceous seamless wallpaper plant type flexible PU foam and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of containing diatomaceous seamless wallpaper plant type flexible PU foam, be made up of the raw material of following weight part: triethylamine 0.07-0.08, dibutyl tin laurate 0.2-0.26, water 0.28-0.34,2,4 toluene diisocyanate 56-58, organic foam stabilizer 0.9-1.1, poly(oxyethylene glycol) 400 85-87, glycerine 9.5-10, maize straw 18-20, diatomite 1.3-1.5, primary ammonium phosphate 0.2-0.4, water glass 0.2-0.4, hydroxy-terminated polybutadienes 1.6-1.8,0.2% sodium hydroxide solution are appropriate, using rubber powder of waste tire 9-10, vitriol oil 3-3.2.
The described preparation method containing diatomaceous seamless wallpaper plant type flexible PU foam, comprises the following steps:
(1) using rubber powder of waste tire is crossed 200 mesh sieves, mix with 0.2% sodium hydroxide solution of 3-4 times of weight part, 15-20min is stirred at 50-52 DEG C, then 50-52 DEG C, wavelength 340nm, irradiation intensity 0.77W/ ㎡ condition under carry out ultraviolet ray ageing 8-9h, condensation 3.5-4h at 38-40 DEG C again, circular treatment rubber powder like this one week, obtains modified rubber powder;
(2) maize straw is air-dry, be cut into 0.3-0.7cm length, grinding, cross 60 mesh sieves, mix with poly(oxyethylene glycol) 400, glycerine, the vitriol oil again, send in container, then put into 160 DEG C of constant temperature oil baths and carry out liquefaction reaction 60-65min, react complete and container is put into cold water with termination reaction, obtain liquefied product;
(3) diatomite, primary ammonium phosphate, water glass, hydroxy-terminated polybutadienes are mixed with liquefied product, obtain mixture, mixture pH is regulated to be 7, again mixture is placed in vacuum drying oven (vacuum tightness 0.08-0.09MPa, temperature 90-92 DEG C) dry 72-74h, obtain mixture;
(4) dried mixture is put into reaction vessel, add water, dibutyl tin laurate and organic foam stabilizer, pre-mixing is carried out under 2000r/min high-speed stirring, add modified rubber powder and other remaining components, then under 1000r/min speed, stir 11s, pour in mould, at room temperature static foaming, after question response at 69-70 DEG C of temperature slaking 29-31min, then after at room temperature depositing 70-72h, to obtain final product.
A kind of seamless wallpaper, do upper layer by PVC mantle, described in claim 1, seamless wallpaper plant type flexible PU foam does middle layer, and non-woven fabrics does bottom, carries out laminating make with rigging machine.
Advantage of the present invention is: polyurethane foam of the present invention uses using rubber powder of waste tire to carry out modification, improves the elasticity of foam, water tolerance, weather resistance, thermal insulation, sound-proofing; By using diatomite, water glass, hydroxy-terminated polybutadienes, improve the flexibility of foam, rebound resilience and flame retardant resistance, can also obnoxious flavour be adsorbed, purify air; The seamless Soft Roll wallpaper made of this foam is soft flexible, environmental protection, sound insulation, wear-resisting, easy to clean.
Embodiment
A kind of containing diatomaceous seamless wallpaper plant type flexible PU foam, be made up of the raw material of following weight part (kilogram): triethylamine 0.07, dibutyl tin laurate 0.2, water 0.28,2,4 toluene diisocyanate 56, organic foam stabilizer 0.9, poly(oxyethylene glycol) 400 85, glycerine 9.5, maize straw 18, diatomite 1.3, primary ammonium phosphate 0.2, water glass 0.2, hydroxy-terminated polybutadienes 1.6,0.2% sodium hydroxide solution are appropriate, using rubber powder of waste tire 9, the vitriol oil 3.
The described preparation method containing diatomaceous seamless wallpaper plant type flexible PU foam, comprises the following steps:
(1) using rubber powder of waste tire is crossed 200 mesh sieves, mix with 0.2% sodium hydroxide solution of 3 times of weight parts, 15min is stirred at 50 DEG C, then 50 DEG C, wavelength 340nm, irradiation intensity 0.77W/ ㎡ condition under carry out ultraviolet ray ageing 8h, condensation 3.5h at 38 DEG C again, circular treatment rubber powder like this one week, obtains modified rubber powder;
(2) maize straw is air-dry, be cut into 0.3cm length, grinding, cross 60 mesh sieves, mix with poly(oxyethylene glycol) 400, glycerine, the vitriol oil again, send in container, then put into 160 DEG C of constant temperature oil baths and carry out liquefaction reaction 60min, react complete and container is put into cold water with termination reaction, obtain liquefied product;
(3) diatomite, primary ammonium phosphate, water glass, hydroxy-terminated polybutadienes are mixed with liquefied product, obtain mixture, regulate mixture pH to be 7, then mixture is placed in vacuum drying oven (vacuum tightness 0.08MPa, temperature 90 DEG C) dry 72h, obtain mixture;
(4) dried mixture is put into reaction vessel, add water, dibutyl tin laurate and organic foam stabilizer, pre-mixing is carried out under 2000r/min high-speed stirring, add modified rubber powder and other remaining components, then under 1000r/min speed, stir 11s, pour in mould, at room temperature static foaming, after question response at 69 DEG C of temperature slaking 29min, then after at room temperature depositing 70h, to obtain final product.
A kind of seamless wallpaper, do upper layer by PVC mantle, described in claim 1, seamless wallpaper plant type flexible PU foam does middle layer, and non-woven fabrics does bottom, carries out laminating make with rigging machine.
After tested, the density of foam is 0.17g/cm3, water ratio is 1.07%, rebound resilience is 98.69%, resonant frequency is 34Hz.
Claims (3)
1. one kind contains diatomaceous seamless wallpaper plant type flexible PU foam, it is characterized in that being made up of the raw material of following weight part: triethylamine 0.07-0.08, dibutyl tin laurate 0.2-0.26, water 0.28-0.34, 2, 4-tolylene diisocyanate 56-58, organic foam stabilizer 0.9-1.1, poly(oxyethylene glycol) 400 85-87, glycerine 9.5-10, maize straw 18-20, diatomite 1.3-1.5, primary ammonium phosphate 0.2-0.4, water glass 0.2-0.4, hydroxy-terminated polybutadienes 1.6-1.8, 0.2% sodium hydroxide solution is appropriate, using rubber powder of waste tire 9-10, vitriol oil 3-3.2.
2. the preparation method containing diatomaceous seamless wallpaper plant type flexible PU foam according to claim 1, is characterized in that comprising the following steps:
(1) using rubber powder of waste tire is crossed 200 mesh sieves, mix with 0.2% sodium hydroxide solution of 3-4 times of weight part, 15-20min is stirred at 50-52 DEG C, then 50-52 DEG C, wavelength 340nm, irradiation intensity 0.77W/ ㎡ condition under carry out ultraviolet ray ageing 8-9h, condensation 3.5-4h at 38-40 DEG C again, circular treatment rubber powder like this one week, obtains modified rubber powder;
(2) maize straw is air-dry, be cut into 0.3-0.7cm length, grinding, cross 60 mesh sieves, mix with poly(oxyethylene glycol) 400, glycerine, the vitriol oil again, send in container, then put into 160 DEG C of constant temperature oil baths and carry out liquefaction reaction 60-65min, react complete and container is put into cold water with termination reaction, obtain liquefied product;
(3) diatomite, primary ammonium phosphate, water glass, hydroxy-terminated polybutadienes are mixed with liquefied product, obtain mixture, mixture pH is regulated to be 7, again mixture is placed in vacuum drying oven (vacuum tightness 0.08-0.09MPa, temperature 90-92 DEG C) dry 72-74h, obtain mixture;
(4) dried mixture is put into reaction vessel, add water, dibutyl tin laurate and organic foam stabilizer, pre-mixing is carried out under 2000r/min high-speed stirring, add modified rubber powder and other remaining components, then under 1000r/min speed, stir 11s, pour in mould, at room temperature static foaming, after question response at 69-70 DEG C of temperature slaking 29-31min, then after at room temperature depositing 70-72h, to obtain final product.
3. a seamless wallpaper, is characterized in that: do upper layer by PVC mantle, and described in claim 1, seamless wallpaper plant type flexible PU foam does middle layer, and non-woven fabrics does bottom, carries out laminating make with rigging machine.
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| CN201510598317.4A CN105238025A (en) | 2015-09-18 | 2015-09-18 | Diatomite-containing plant type soft polyurethane foam for seamless wallpaper, and preparation method thereof |
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| CN201510598317.4A CN105238025A (en) | 2015-09-18 | 2015-09-18 | Diatomite-containing plant type soft polyurethane foam for seamless wallpaper, and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112079990A (en) * | 2020-09-17 | 2020-12-15 | 深圳市爱车屋汽车用品股份有限公司 | Preparation method of diatom slow-rebound material |
Citations (3)
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| CN102391639A (en) * | 2011-09-30 | 2012-03-28 | 常熟市星源金属涂层厂 | Polyurethane and rubber foamed compound material and preparation method thereof |
| CN104327231A (en) * | 2014-11-11 | 2015-02-04 | 烟台正海汽车内饰件有限公司 | PU plate for car roof and production method of PU plate |
| CN104763121A (en) * | 2015-02-04 | 2015-07-08 | 滁州市莎朗新材料科技有限公司 | Environment-friendly composite wallpaper and production process thereof |
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2015
- 2015-09-18 CN CN201510598317.4A patent/CN105238025A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102391639A (en) * | 2011-09-30 | 2012-03-28 | 常熟市星源金属涂层厂 | Polyurethane and rubber foamed compound material and preparation method thereof |
| CN104327231A (en) * | 2014-11-11 | 2015-02-04 | 烟台正海汽车内饰件有限公司 | PU plate for car roof and production method of PU plate |
| CN104763121A (en) * | 2015-02-04 | 2015-07-08 | 滁州市莎朗新材料科技有限公司 | Environment-friendly composite wallpaper and production process thereof |
Non-Patent Citations (1)
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| 王高升等: ""植物型软质聚氨酯泡沫制备及缓冲性能研究"", 《包装工程》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112079990A (en) * | 2020-09-17 | 2020-12-15 | 深圳市爱车屋汽车用品股份有限公司 | Preparation method of diatom slow-rebound material |
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Application publication date: 20160113 |