CN105238001A - Plant type soft polyurethane foam with good heat retaining property for seamless wallpaper and preparation method thereof - Google Patents
Plant type soft polyurethane foam with good heat retaining property for seamless wallpaper and preparation method thereof Download PDFInfo
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- CN105238001A CN105238001A CN201510592996.4A CN201510592996A CN105238001A CN 105238001 A CN105238001 A CN 105238001A CN 201510592996 A CN201510592996 A CN 201510592996A CN 105238001 A CN105238001 A CN 105238001A
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Abstract
Disclosed plant type soft polyurethane foam with good heat retaining property for seamless wallpaper is prepared from the following raw materials in parts by weight: 0.07-0.08 part of triethylamine, 0.2-0.26 part of dibutyltin dilaurate, 0.28-0.34 part of water, 56-58 parts of tolylene-2,4-diisocyanate, 0.6-0.8 part of sodium fluorosilicate, 0.9-1.1 parts of an oranosilicon foam stabilizer, 85-87 parts of polyethylene glycol 400, 9.5-10 parts of glycerin, 18-20 parts of corn straw, 1.6-1.8 parts of nanometer aluminium oxide, 1.8-2 parts of succinic anhydride, 1.6-1.8 parts of silica aerogel microballoon, proper amount of a sodium solution with the concentration of 0.2%, 9-10 parts of waste and old tyre rubber powder, and 3-3.2 parts of concentrated sulfuric acid. The polyurethane foam is improved in heat-retaining heat-insulation performance by using silica aerogel microballoon, and is improved in resilience and endurance by employing nanometer aluminium oxide and succinic anhydride.
Description
Technical field
The present invention relates to polyurethane foam preparing technical field, particularly relate to a kind of good heat preservation performance 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 good heat preservation performance seamless wallpaper plant type flexible PU foam and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of good heat preservation performance 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-tolylene diisocyanate 56-58, Sodium Silicofluoride 0.6-0.8, organic foam stabilizer 0.9-1.1, poly(oxyethylene glycol) 400 85-87, glycerine 9.5-10, maize straw 18-20, nano aluminium oxide 1.6-1.8, succinyl oxide 1.8-2, silica aerosil microballoon 1.6-1.8, 0.2% sodium hydroxide solution is appropriate, using rubber powder of waste tire 9-10, vitriol oil 3-3.2.
The preparation method of described good heat preservation performance is 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) Sodium Silicofluoride, nano aluminium oxide are mixed with liquefied product, obtain mixture, regulate mixture pH to be 7, then 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 silica aerosil microballoon, improve the thermal and insulating performance of foam; By using nano aluminium oxide, succinyl oxide, improve rebound resilience and the weather resistance of foam; 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 good heat preservation performance 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, Sodium Silicofluoride 0.6, organic foam stabilizer 0.9, poly(oxyethylene glycol) 400 85, glycerine 9.5, maize straw 18, nano aluminium oxide 1.6, succinyl oxide 1.8, silica aerosil microballoon 1.6,0.2% sodium hydroxide solution are appropriate, using rubber powder of waste tire 9, the vitriol oil 3.
The preparation method of described good heat preservation performance is 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) Sodium Silicofluoride, nano aluminium oxide 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 0.11g/cm
3, water ratio is 1.02%, rebound resilience is 97.5%, resonant frequency is 35Hz.
Claims (3)
1. a good heat preservation performance 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, Sodium Silicofluoride 0.6-0.8, organic foam stabilizer 0.9-1.1, poly(oxyethylene glycol) 400 85-87, glycerine 9.5-10, maize straw 18-20, nano aluminium oxide 1.6-1.8, succinyl oxide 1.8-2, silica aerosil microballoon 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 of good heat preservation performance according to claim 1 seamless wallpaper plant type flexible PU foam, 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) Sodium Silicofluoride, nano aluminium oxide are mixed with liquefied product, obtain mixture, regulate mixture pH to be 7, then 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510592996.4A CN105238001A (en) | 2015-09-18 | 2015-09-18 | Plant type soft polyurethane foam with good heat retaining property for seamless wallpaper and preparation method thereof |
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| CN201510592996.4A CN105238001A (en) | 2015-09-18 | 2015-09-18 | Plant type soft polyurethane foam with good heat retaining property for seamless wallpaper and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106750091A (en) * | 2016-11-22 | 2017-05-31 | 湖北硅金凝节能减排科技有限公司 | A kind of aeroge expanded material and its preparation method and application |
| CN109851845A (en) * | 2019-01-19 | 2019-06-07 | 恩龙实业(嘉兴)有限公司 | A kind of foam and preparation method thereof |
| CN110023369A (en) * | 2016-12-05 | 2019-07-16 | 科思创德国股份有限公司 | The method for preparing the polyurethane flexible foam body based on TDI containing organic acid anhydride and/or organic acyl chlorides |
| CN115570764A (en) * | 2022-10-21 | 2023-01-06 | 中山市百事顺业塑料电器有限公司 | Post-coating production process of decorative plastic profiled bar |
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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 |
| 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 CN201510592996.4A patent/CN105238001A/en active Pending
Patent Citations (2)
| 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 |
| 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 (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106750091A (en) * | 2016-11-22 | 2017-05-31 | 湖北硅金凝节能减排科技有限公司 | A kind of aeroge expanded material and its preparation method and application |
| CN110023369A (en) * | 2016-12-05 | 2019-07-16 | 科思创德国股份有限公司 | The method for preparing the polyurethane flexible foam body based on TDI containing organic acid anhydride and/or organic acyl chlorides |
| CN109851845A (en) * | 2019-01-19 | 2019-06-07 | 恩龙实业(嘉兴)有限公司 | A kind of foam and preparation method thereof |
| CN115570764A (en) * | 2022-10-21 | 2023-01-06 | 中山市百事顺业塑料电器有限公司 | Post-coating production process of decorative plastic profiled bar |
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