CN105567118A - Dehydrated wall paper wet glue and preparation method thereof - Google Patents
Dehydrated wall paper wet glue and preparation method thereof Download PDFInfo
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- CN105567118A CN105567118A CN201510946570.4A CN201510946570A CN105567118A CN 105567118 A CN105567118 A CN 105567118A CN 201510946570 A CN201510946570 A CN 201510946570A CN 105567118 A CN105567118 A CN 105567118A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J103/00—Adhesives based on starch, amylose or amylopectin or on their derivatives or degradation products
- C09J103/04—Starch derivatives
- C09J103/06—Esters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J103/00—Adhesives based on starch, amylose or amylopectin or on their derivatives or degradation products
- C09J103/02—Starch; Degradation products thereof, e.g. dextrin
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention relates to dehydrated wall paper wet glue which is prepared by drying wall paper wet glue until the water content is 6-10%. The dehydrated wall paper wet glue provided by the invention not only reduces the storage and transportation costs, and avoids the problem that liquid wet glue is difficult to unglue after getting frozen and agglomerated in winter, but also solves the problems that the traditional glue powder is poor in adhesive force and wall paper has edge warping easily; moreover, the mold resistance of the dehydrated wall paper wet glue provided by the invention is superior to that of the traditional wall paper glue powder.
Description
Technical field
The present invention relates to a kind of Wall paper adhesive, particularly relate to a kind of dehydration wallpaper and to wet glue; The invention still further relates to a kind of wallpaper that dewaters to wet the preparation method of glue.
Background technology
In recent years, wallpaper has become first-selected as the finishing material beautifying indoor environment, and Wall paper adhesive is commercially widely used as a kind of sizing agent of bonding wallpaper.
Wall paper adhesive is divided into wet glue and rubber powder two type from state, and two kinds respectively have advantage, there are some drawbacks separately again.Wet glue initial bonding strength is high, and adhesiveproperties is good, even if bonding some relatively thick and heavy wallpapers also not easily alice; But wet glue uses cumbersome, gradation to be dissolved in water use; In addition, effective constituent accounting is lower, and a large amount of water is given and to be stored and transport is made troubles, and store winter after enduring cold and to come unglued degradation, transportation cost is high.Although adhesive powder for wall paper does not exist above shortcoming, on market, some adhesive powder for wall paper ubiquity bonding strengths are low, easy alice, the problem of fungicidal properties difference.
Summary of the invention
An object of the present invention is to provide a kind of dehydration wallpaper and wets glue, and its bonding strength is high, and easily store, transport.
Dehydration wallpaper of the present invention wets glue, and drying to water ratio particular by the glue that wet by wallpaper is 6 ~ 10% to obtain.
Preferably, described bake out temperature is 200 ~ 250 DEG C, is preferably 200 ~ 230 DEG C; Such as 202 DEG C, 205 DEG C, 208 DEG C, 210 DEG C, 213 DEG C, 215 DEG C, 216 DEG C, 220 DEG C, 223 DEG C, 225 DEG C, 230 DEG C, 232 DEG C, 235 DEG C, 237 DEG C, 240 DEG C, 243 DEG C, 245 DEG C or 248 DEG C.
Preferably, dehydration wallpaper of the present invention wet glue by following weight percent raw material prepare and obtain:
The preparation the present invention wallpaper wallpaper wet needed for glue glue that wets that dewaters can wet for wallpaper conventional in state of the art glue, because of in the prior art, the wallpaper glue that wets contains a large amount of moisture, cause storage, transport inconvenience, and transportation cost is low, the present invention's glue that only existing wallpaper need be wet is dried to water ratio to 6 ~ 10%, can obtain dehydration wallpaper of the present invention and to wet glue.
Preferably, dehydration wallpaper of the present invention wets glue, and the required wallpaper glue that wets comprises the component of following weight percent:
Such as, sex change waxy starch can be 6%, 7%, 8%, 9%, 10%, 11%, 12%, 13% or 14%;
Acetic ester modified wheat starch can be 11%, 12%, 13%, 14%, 15%, 16%, 17%, 18%, 19%, 20%, 21%, 22%, 23% or 24%;
Alcohol can be 10.2%, 10.5%, 10.8%, 11%, 11.2%, 11.5%, 11.8%, 12%, 12.3%, 12.5%, 12.7%, 13%, 13.3%, 13.6%, 13.8% or 14%;
Sodium hydroxide solution can be 0.6%, 0.8%, 1.0%, 1.2%, 1.5%, 1.8%, 2.0%, 2.4%, 2.5%, 2.8%, 3.0%, 3.4%, 3.8%, 4.0%, 4.2%, 4.5%, 4.6%, 4.8% or 4.9%;
Hydrochloric acid can be 3.1%, 3.2%, 3.3%, 3.4%, 3.5%, 3.6%, 3.7%, 3.8%, 3.9%, 4.0%, 4.1%, 4.2%, 4.3%, 4.4%, 4.5%, 4.6%, 4.7%, 4.8% or 4.9%;
Antifreezing agent can be 2%, 3%, 4%, 5%, 6%, 7%, 8% or 9%;
Deionized water can be 61%, 62%, 63%, 64%, 65%, 66%, 67%, 68%, 69%, 70%, 71%, 72%, 73%, 74%, 75%, 76%, 77%, 78% or 79%;
Fungusproof anti-corrosion agent can be 0.11%, 0.12%, 0.13%, 0.14%, 0.15%, 0.16%, 0.17%, 0.18%, 0.19%, 0.2%, 0.21%, 0.22%, 0.23%, 0.24%, 0.25%, 0.26%, 0.27%, 0.28% or 0.29%.
Preferably, the dehydration wallpaper wallpaper wet needed for the glue of the present invention glue that wets comprises the component of following weight percent:
Preferably, the dehydration wallpaper wallpaper wet needed for the glue of the present invention glue that wets comprises the component of following weight percent:
Preferably, the purity of described alcohol is more than 95%, is preferably 95 ~ 99%, more preferably industrial spirit.
The purity of alcohol refers to the mass percent concentration of ethanol, and the purity of alcohol is specifically as follows 65.2%, 95.5%, 95.8%, 96%, 96.3%, 96.5%, 96.7%, 97%, 97.3%, 97.6%, 97.8%, 98%, 98.2%, 98.5% or 98.8%; Wherein concrete preferably lower-cost industrial spirit.
Preferably, the concentration of described sodium hydroxide solution is 20 ~ 30%, is preferably 25 ~ 30%, more preferably 30%.
The mass percent concentration of the concentration of sodium hydroxide solution and solute---sodium hydroxide; The concentration of sodium hydroxide is specifically as follows 21%, 22%, 23%, 24%, 25%, 26%, 27%, 28% or 29%.
Preferably, the concentration of described hydrochloric acid is 5 ~ 10%, is preferably 10%.
The concentration of hydrochloric acid refers to i.e. solute---the mass percent concentration of hydrogenchloride; The concentration of hydrochloric acid is specifically as follows 5.2%, 5.5%, 5.8%, 6.0%, 6.3%, 6.5%, 6.7%, 7.0%, 7.3%, 7.5%, 7.8%, 8.0%, 8.3%, 8.5%, 8.8%, 9.0%, 9.2%, 9.5% or 9.8%.
Antifreezing agent of the present invention can select the conventional antifreezing agent of this area, wherein typical case and unrestriced for antifreezing agent be one or more in propylene glycol, glycerol, ethylene glycol.Described combination typical case and unrestriced be the combination of propylene glycol and glycerol, the combination of glycerol and ethylene glycol, the combination of propylene glycol and ethylene glycol, the combination of propylene glycol, glycerol and ethylene glycol.
Antisepticize and mildew preventive of the present invention can select the conventional antifreezing agent of this area, such as, in sodium Diacetate, phenylformic acid, organic copper silicon quaternary ammonium salt, Kathon CG one or more.Described combination typical case and unrestriced be sodium Diacetate and benzoic combination, the combination of sodium Diacetate and organic copper silicon quaternary ammonium salt, the combination of sodium Diacetate and Kathon CG, the combination of sodium Diacetate, phenylformic acid and organic copper silicon quaternary ammonium salt, the combination etc. of phenylformic acid, organic copper silicon quaternary ammonium salt and Kathon CG.
Two of object of the present invention is to provide a kind of wallpaper that dewaters and wets the preparation method of glue, and it is simple to operate, easily realize, and the dehydration wallpaper of preparation wets, glue bonding strength is high, easily stores, transport.
Dehydration wallpaper of the present invention wets the preparation method of glue, comprises the steps:
(1) the described sex change waxy starch of formula ratio is dispersed to the ionized water formula ratio 10 ~ 20% that accounts for, such as, in the deionized water of 11%, 12%, 13%, 14%, 15%, 16%, 17%, 18% or 19%, obtained dispersed material;
(2) deionized water of the described acetic ester modified wheat starch of formula ratio, surplus, the sodium hydroxide solution that accounts for sodium hydroxide solution formula ratio 10 ~ 20% are delivered in reaction unit, in 25 ~ 35 DEG C, such as, stir 0.5 ~ 1.5h, such as 0.6h, 0.7h, 0.8h, 0.9h, 1.0h, 1.1h, 1.2h, 1.3h, 1.4h at 26 DEG C, 27 DEG C, 28 DEG C, 29 DEG C, 30 DEG C, 31 DEG C, 32 DEG C, 33 DEG C, 34 DEG C;
(3) described dispersed material is proceeded in above-mentioned reaction unit, stir, add the sodium hydroxide solution of surplus, stir gelatinization to reaction end, obtained mixture;
(4) in described mixture, add the hydrochloric acid of formula ratio, regulate mixture pH to 4 ~ 5; Add antifreezing agent and the alcohol of formula ratio respectively, stir, obtained liquid wet glue;
(5) described liquid state wets glue drying, fragmentation, obtained sheet wallpaper powder;
(6) in described sheet wallpaper powder, add the Antisepticize and mildew preventive of formula ratio, stir, obtained dehydration wallpaper wets glue.
In above-mentioned preparation process, deionized water, sodium hydroxide solution portion-wise addition are determined by the Effect On Gelatinization Characteristics of acetic ester modified wheat starch and sex change waxy starch.Concrete: the gelatinization of acetic ester modified wheat starch is more difficult, and the gelatinization of sex change waxy starch is easy, can not synchronously carry out, otherwise otherwise acetic ester modified wheat starch half steaming, the gelatinization of unchangeability waxy starch excessive; Therefore, acetic ester modified wheat starch must carry out pre-gelatinized, just can more afterwards with sex change waxy starch together gelatinization.
Preferably, in step (2), described reaction unit is stirred reactor;
Preferably, being operating as of step (4), described liquid state wets glue at 200 ~ 250 DEG C, such as, dry 5 ~ 15s at 202 DEG C, 205 DEG C, 208 DEG C, 210 DEG C, 213 DEG C, 215 DEG C, 216 DEG C, 220 DEG C, 223 DEG C, 225 DEG C, 230 DEG C, 232 DEG C, 235 DEG C, 237 DEG C, 240 DEG C, 243 DEG C, 245 DEG C or 248 DEG C, such as 6s, 7s, 8s, 9s, 10s, 11s, 12s, 13s or 14s, until water ratio is 6 ~ 10%, broken, obtained sheet wallpaper powder.
Compared with prior art, the invention has the advantages that: dehydration wallpaper of the present invention wets glue especially by glue oven dry of being wet by the wallpaper of prior art to 6 ~ 10%, the glue thus the dehydration wallpaper of obtained rubber powder shape wets.Because the dehydration wallpaper of the present invention glue water ratio that wets is low, thus be conducive to storing and transport, and reduce and store and the cost of transport, solve the glue that wets of liquid wallpaper in prior art and to endure cold winter the problem of caking, difficulty of coming unglued; In addition, dehydration wallpaper of the present invention wets glue by reducing water ratio, indirectly improves the content of effective constituent, therefore, the wet cementability of glue of dehydration wallpaper of the present invention not only can compare favourably with the wallpaper of the conventional liquid glue that wets, and its bonding force is better than traditional adhesive powder for wall paper.
In a word, the dehydration wallpaper of the present invention glue that wets not only reduces and stores and the cost of transport, avoids liquid wet glue to endure cold winter the problem of caking, difficulty of coming unglued; Solve again traditional rubber powder bonding force poor, the problem of the easy alice of wallpaper; In addition, its antifungal ability is better than traditional adhesive powder for wall paper.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1
The dehydration wallpaper of the present embodiment glue glue that specifically wet by wallpaper that wets is dried to 6 ~ 10% gained, and wherein, the required wallpaper glue that wets comprises the component of following weight percent:
Wherein, antifreezing agent is one or more in propylene glycol, glycerol, ethylene glycol, and the present embodiment is specially the mixture of propylene glycol and ethylene glycol, and proportioning does not between the two limit.
Antisepticize and mildew preventive is one or more in sodium Diacetate, phenylformic acid, organic copper silicon quaternary ammonium salt, Kathon CG, and the present embodiment is specially the mixture of sodium Diacetate and Kathon CG, and proportioning does not between the two limit.
The wet concrete preparation process of glue of the present embodiment dehydration wallpaper is as follows:
(1) send in the first decollator by the deionized water of the sex change waxy starch of formula ratio, the ionized water formula ratio 15% that accounts for, sex change waxy starch is dispersed in deionized water, obtained dispersed material;
(2) deionized water of the acetic ester modified wheat starch of formula ratio, surplus, 25% sodium hydroxide solution that accounts for sodium hydroxide solution formula ratio 20% are delivered to reaction unit---in stirred reactor, at 30 DEG C, react 1h;
(3) dispersed material is proceeded in above-mentioned stirred reactor, stir, then add the sodium hydroxide solution of surplus, stir gelatinization to reaction end, obtained mixture;
(4) in mixture, add 10% hydrochloric acid of formula ratio, regulate mixture pH to 4 ~ 5; Add antifreezing agent and the alcohol of formula ratio respectively, stir, obtained liquid wet glue;
(5) dryer sent into by the glue that liquid state wet, and sends into crusher in crushing after oven dry, obtained sheet wallpaper powder; Drying temperature in dryer is 200 ~ 250 DEG C, drying time 5 ~ 15 seconds, and bake out temperature matches with drying time, with the water ratio of starch before satisfied fragmentation for 6 ~ 10%;
(6) send into the second decollator to sheet wallpaper powder, then add the Antisepticize and mildew preventive of formula ratio, stir, obtained dehydration wallpaper wets glue.
Embodiment 2
The dehydration wallpaper of the present embodiment glue glue that specifically wet by wallpaper that wets is dried to 6 ~ 10% gained, and wherein, the required wallpaper glue that wets comprises the component of following weight percent:
Wherein, antifreezing agent is one or more in propylene glycol, glycerol, ethylene glycol, and the present embodiment is specially propylene glycol.
Antisepticize and mildew preventive is one or more in sodium Diacetate, phenylformic acid, organic copper silicon quaternary ammonium salt, Kathon CG, and the present embodiment is specially organic copper silicon quaternary ammonium salt.
The wet concrete preparation process of glue of the present embodiment dehydration wallpaper is as follows:
(1) send in the first decollator by the deionized water of the sex change waxy starch of formula ratio, the ionized water formula ratio 20% that accounts for, sex change waxy starch is dispersed in deionized water, obtained dispersed material;
(2) deionized water of the acetic ester modified wheat starch of formula ratio, surplus, 30% sodium hydroxide solution that accounts for sodium hydroxide solution formula ratio 15% are delivered to reaction unit---in stirred reactor, at 30 DEG C, react 1h;
(3) dispersed material is proceeded in above-mentioned stirred reactor, stir, then add the sodium hydroxide solution of surplus, stir gelatinization to reaction end, obtained mixture;
(4) in mixture, add 8% hydrochloric acid of formula ratio, regulate mixture pH to 4 ~ 5; Add antifreezing agent and the alcohol of formula ratio respectively, stir, obtained liquid wet glue;
(5) dryer sent into by the glue that liquid state wet, and sends into crusher in crushing after oven dry, obtained sheet wallpaper powder; Drying temperature in dryer is 200 ~ 250 DEG C, drying time 5 ~ 15 seconds, and bake out temperature matches with drying time, with the water ratio of starch before satisfied fragmentation for 6 ~ 10%;
(6) send into the second decollator to sheet wallpaper powder, then add the Antisepticize and mildew preventive of formula ratio, stir, obtained dehydration wallpaper wets glue.
Embodiment 3
The dehydration wallpaper of the present embodiment glue glue that specifically wet by wallpaper that wets is dried to 6 ~ 10% gained, and wherein, the required wallpaper glue that wets comprises the component of following weight percent:
Wherein, antifreezing agent is one or more in propylene glycol, glycerol, ethylene glycol, and the present embodiment is specially ethylene glycol.
Antisepticize and mildew preventive is one or more in sodium Diacetate, phenylformic acid, organic copper silicon quaternary ammonium salt, Kathon CG, and the present embodiment is specially phenylformic acid.
The wet concrete preparation process of glue of the present embodiment dehydration wallpaper is as follows:
(1) send in the first decollator by the deionized water of the sex change waxy starch of formula ratio, the ionized water formula ratio 18% that accounts for, sex change waxy starch is dispersed in deionized water, obtained dispersed material;
(2) deionized water of the acetic ester modified wheat starch of formula ratio, surplus, 30% sodium hydroxide solution that accounts for sodium hydroxide solution formula ratio 10% are delivered to reaction unit---in stirred reactor, at 30 DEG C, react 1h;
(3) dispersed material is proceeded in above-mentioned stirred reactor, stir, then add the sodium hydroxide solution of surplus, stir gelatinization to reaction end, obtained mixture;
(4) in mixture, add 10% hydrochloric acid of formula ratio, regulate mixture pH to 4 ~ 5; Add antifreezing agent and the alcohol of formula ratio respectively, stir, obtained liquid wet glue;
(5) dryer sent into by the glue that liquid state wet, and sends into crusher in crushing after oven dry, obtained sheet wallpaper powder; Drying temperature in dryer is 200 ~ 250 DEG C, drying time 5 ~ 15 seconds, and bake out temperature matches with drying time, with the water ratio of starch before satisfied fragmentation for 6 ~ 10%;
(6) send into the second decollator to sheet wallpaper powder, then add the Antisepticize and mildew preventive of formula ratio, stir, obtained dehydration wallpaper wets glue.
Comparative example 1
The commercially available adhesive powder for wall paper of the present embodiment to be model be M8-1.
Comparative example 2
The commercially available wallpaper of the present embodiment to be model be A4-2 wets glue.
Test the performance of each embodiment Wall paper adhesive respectively, test result is in table 1.
Preparation work: the glue that wet by dehydration wallpaper prepared by embodiment 1 ~ 3 is respectively watered in the ratio of 1:1, stand-by test performance; The adhesive powder for wall paper of 200g comparative example 1 is watered 5L, stand-by test performance; The glue that wet by the wallpaper of comparative example 2 is watered in the ratio of 1:1, stand-by test performance.
Testing tool: adopt puller system test stripping strength, the larger explanation bonding strength of stripping strength is better; Adopt NDJ-1 rotational viscosimeter tested viscosity, viscosity is higher, and the state after coming unglued is thicker; Adopt just viscoelastic test instrument test just sticky, just sticky higher, initial bonding time stationarity stronger.
Performance after each embodiment Wall paper adhesive of table 1. is watered
As shown in Table 1, dehydration wallpaper of the present invention wet glue bonding strength, come unglued after denseness, initial bonding time stationarity be all better than wet glue and rubber powder.
Above content is only preferred embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, this description should not be construed as limitation of the present invention.
Claims (10)
1. the wallpaper that dewaters wets a glue, it is characterized in that: being dried to water ratio by the glue that wet by wallpaper is 6 ~ 10% to obtain.
2. dehydration wallpaper according to claim 1 wets glue, it is characterized in that: described bake out temperature is 200 ~ 250 DEG C, is preferably 200 ~ 230 DEG C.
3. dehydration wallpaper according to claim 1 and 2 wets glue, it is characterized in that, the required wallpaper glue that wets comprises the component of following weight percent:
4. dehydration wallpaper according to claim 1 and 2 wets glue, it is characterized in that, the required wallpaper glue that wets comprises the component of following weight percent:
5. dehydration wallpaper according to claim 4 wets glue, it is characterized in that, the required wallpaper glue that wets comprises the component of following weight percent:
6. the dehydration wallpaper according to any one of claim 3 ~ 5 wets glue, it is characterized in that: the purity of described alcohol is more than 95%, is preferably 95 ~ 99%, more preferably industrial spirit;
Preferably, the concentration of described sodium hydroxide solution is 20 ~ 30%, is preferably 25 ~ 30%, more preferably 30%;
Preferably, the concentration of described hydrochloric acid is 5 ~ 10%, is preferably 10%.
7. the dehydration wallpaper according to any one of claim 3 ~ 5 wets glue, it is characterized in that: described antifreezing agent is one or more in propylene glycol, glycerol, ethylene glycol.
8. the dehydration wallpaper according to any one of claim 3 ~ 5 wets glue, it is characterized in that: described Antisepticize and mildew preventive is one or more in sodium Diacetate, phenylformic acid, organic copper silicon quaternary ammonium salt, Kathon CG.
9. the wallpaper that dewaters described in any one of claim 3 ~ 8 wets a preparation method for glue, it is characterized in that, comprises the steps:
(1) the described sex change waxy starch of formula ratio is dispersed to accounts in the deionized water of ionized water formula ratio 10 ~ 20%, obtained dispersed material;
(2) deionized water of the described acetic ester modified wheat starch of formula ratio, surplus, the sodium hydroxide solution that accounts for sodium hydroxide solution formula ratio 10 ~ 20% are delivered in reaction unit, at 25 ~ 35 DEG C, stir 0.5 ~ 1.5h;
(3) described dispersed material is proceeded in above-mentioned reaction unit, stir, add the sodium hydroxide solution of surplus, stir gelatinization to reaction end, obtained mixture;
(4) in described mixture, add the hydrochloric acid of formula ratio, regulate mixture pH to 4 ~ 5; Add antifreezing agent and the alcohol of formula ratio respectively, stir, obtained liquid wet glue;
(5) described liquid state wets glue drying, fragmentation, obtained sheet wallpaper powder;
(6) in described sheet wallpaper powder, add the Antisepticize and mildew preventive of formula ratio, stir, obtained dehydration wallpaper wets glue.
10. preparation method according to claim 9, is characterized in that: in step (2), and described reaction unit is stirred reactor;
Preferably, being operating as of step (5), the described liquid state glue that wets dries 5 ~ 15s at 200 ~ 250 DEG C, until water ratio is 6 ~ 10%, broken, obtained sheet wallpaper powder.
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|---|---|---|---|---|
| CN106010360A (en) * | 2016-07-13 | 2016-10-12 | 江门市江海区德高装饰材料有限公司 | Wet glue for wallpaper and preparation method for wet glue |
| CN107459952A (en) * | 2017-08-30 | 2017-12-12 | 常州苏达欧包装材料有限公司 | A kind of wet glue of wallpaper |
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Application publication date: 20160511 |