CN103013404B - Dry powder adhesive for paper products and preparation method thereof - Google Patents
Dry powder adhesive for paper products and preparation method thereof Download PDFInfo
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- CN103013404B CN103013404B CN201210583548.4A CN201210583548A CN103013404B CN 103013404 B CN103013404 B CN 103013404B CN 201210583548 A CN201210583548 A CN 201210583548A CN 103013404 B CN103013404 B CN 103013404B
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Abstract
The invention discloses a dry powder adhesive for paper products, which comprises the following components in parts by weight: 2-25 parts of acrylic ester, 0.1-5 parts of emulsifier, 0.1-12 parts of methacrylic acid, 0.1-12 parts of potassium peroxodisulfate, 0.01-12 parts of accelerant, 1-35 parts of filler, 35-65 parts of starch, 0.01-8 parts of oxidant, 0.01-0.2 parts of preservative and 1-25 parts of water. Correspondingly, the invention also provides a preparation method of the dry powder adhesive for paper products. According to the invention, the solid content of the dry powder adhesive for paper products is as high as 95%, the transporting cost can be reduced, the storage space can be reduced and the guarantee period can be prolonged, and the dry powder adhesive can be stored also at (-20) DEG C, and is lightly affected by temperature change, thus the problems that the adhesive in the prior art is liable to solidify in severe cold areas and is inconvenient for using are solved; and in addition, the dry powder adhesive is excellent in bonding strength and high in T-type peel strength.
Description
Technical field
The present invention relates to field of adhesive technology, particularly relate to a kind of paper product dry powder adhesive and preparation method thereof.
Background technology
At present, be generally liquid or paste, pasty state for the tackiness agent that paper is bonding, mainly comprise epoxy adhesive, modified phenolic tackiness agent, polyurethane adhesive, α-cyanoacrylate glue etc.Research acrylate resin deepened continuously along with people and exploration, acrylate resin because its look shallow, tint retention is good, good luster, environmental protection, heat-resisting good, corrosion-resistant and stain resistance be good etc., and advantage is widely used in adhesive area, Waterborne acrylate adhesive just progressively replaces the heat subject that the similar tackiness agent of solvent-borne type becomes research both at home and abroad.But the solvent of water-and acrylate is water, reacts and carries out in water surrounding, thus moisture more in product, causing by water-and acrylate is that the tackiness agent that raw material is made has following shortcoming:
1, solid content is low, is probably 5% ~ 55%;
2, trucking costs is high, and storage space is large;
3, easy moldy metamorphism, the quality guaranteed period is short;
4, storage temperature is more than 0 DEG C, and in severe cold area, storage is easily solidified, and is inconvenient to use.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of paper product dry powder adhesive, improves the solid content of tackiness agent, reduces trucking costs, reduces storage space and extends the shelf life, and solution is easily solidified in severe cold area, is inconvenient to the difficult problem used.
Technical problem to be solved by this invention is also, provides a kind of preparation method preparing above-mentioned paper product dry powder adhesive, and described preparation method's technique, equipment are simple, easy and simple to handle.
In order to solve the problems of the technologies described above, the invention provides a kind of paper product dry powder adhesive, it is mainly as follows with the formula of parts by weight:
Acrylate 2-25 part;
Emulsifying agent 0.1-5 part;
Methacrylic acid 0.1-12 part;
Potassium Persulphate 0.1-12 part;
Promotor 0.01-12 part;
Filler 1-35 part;
Starch 35-65 part;
Oxygenant 0.01-8 part;
Sanitas 0.01-0.2 part;
Water 1-25 part.
As the improvement of such scheme, described paper product dry powder adhesive is mainly as follows with the formula of parts by weight:
Acrylate 5-20 part;
Emulsifying agent 0.5-3 part;
Methacrylic acid 1-10 part;
Potassium Persulphate 1-10 part;
Promotor 0.1-10 part;
Filler 5-30 part;
Starch 40-60 part;
Oxygenant 0.1-5 part;
Sanitas 0.01-0.1 part;
Water 5-20 part.
As the improvement of such scheme, described acrylate selects one in methyl acrylate, ethyl propenoate, n-butyl acrylate or its combination.
As the improvement of such scheme, described starch selects plant amylum.
As the improvement of such scheme, described starch selects one in soya bean starch, W-Gum, wheat starch, sweet potato starch, yam starch, Starch rice, tapioca (flour) or its combination.
As the improvement of such scheme, described filler selects one in calcium carbonate, kaolin, titanium dioxide, talcum powder or its combination;
Described oxygenant selects ammonium persulphate or Sodium Persulfate;
Sodium Diacetate selected by described sanitas.
As the improvement of such scheme, sodium lauryl sulphate selected by described emulsifying agent;
Described promotor selects one in zinc acetate, cobaltous acetate or its combination;
Described wet concentration deionized water.
Correspondingly, present invention also offers a kind of method preparing above-mentioned paper product dry powder adhesive, comprising:
Water, 1/3 acrylate, emulsifying agent, methacrylic acid, promotor are joined in reactor, is warming up to 25-65 DEG C and stirs;
Add 1/3 persulfate aqueous solution, stir in 0.1-2h and be warmed up to 65-95 DEG C;
Constant temperature stirs, and slowly adds 2/3 remaining acrylate, 2/3 remaining persulfate aqueous solution in 1-3h;
Be warming up to 80-100 DEG C of constant temperature and stir 0.1-2h;
Keep 80-100 DEG C of constant temperature, after adding starch, aqueous oxidizing agent solution, sanitas, filler stirring 0.1-3h, stop heating;
Discharge reactor, namely drying, pulverizing obtain dry powder adhesive.
As the improvement of such scheme, the preparation method of described paper product dry powder adhesive comprises:
Water, 1/3 acrylate, emulsifying agent, methacrylic acid, promotor are joined in reactor, is warming up to 40-50 DEG C and stirs;
Add 1/3 persulfate aqueous solution, stir in 0.1-1h and be warmed up to 75-85 DEG C;
Constant temperature stirs, and slowly adds 2/3 remaining acrylate, 2/3 remaining persulfate aqueous solution in 1.5-2.5h;
Be warming up to 85-95 DEG C of constant temperature and stir 0.1-1h;
Keep 85-95 DEG C of constant temperature, after adding starch, aqueous oxidizing agent solution, sanitas, filler stirring 0.5-1.5h, stop heating;
Discharge reactor, put baking oven into, dry 2-4 hour at 110-140 degree Celsius, be then cooled to the pulverizing of room temperature pulverizing mill and namely obtain dry powder adhesive.
As the improvement of such scheme, described dry powder adhesive is mainly as follows with the formula of parts by weight:
Acrylate 2-25 part;
Emulsifying agent 0.1-5 part;
Methacrylic acid 0.1-12 part;
Potassium Persulphate 0.1-12 part;
Promotor 0.01-12 part;
Filler 1-35 part;
Starch 35-65 part;
Oxygenant 0.01-8 part;
Sanitas 0.01-0.2 part;
Water 1-25 part;
Wherein, described acrylate selects one in methyl acrylate, ethyl propenoate, n-butyl acrylate or its combination.
Described starch selects plant amylum;
Described filler selects one in calcium carbonate, kaolin, titanium dioxide, talcum powder or its combination;
Described oxygenant selects ammonium persulphate or Sodium Persulfate;
Sodium Diacetate selected by described sanitas;
Sodium lauryl sulphate selected by described emulsifying agent;
Described promotor selects one in zinc acetate, cobaltous acetate or its combination;
Described wet concentration deionized water.
As the improvement of such scheme, described starch selects one in soya bean starch, W-Gum, wheat starch, sweet potato starch, yam starch, Starch rice, tapioca (flour) or its combination.
Implement the present invention, there is following beneficial effect:
The invention provides a kind of paper product dry powder adhesive and preparation method thereof, compared with mostly being liquid or paste, pasty state with prior art tackiness agent, invention adhesive by increasing starch in formula, and increase relevant auxiliary materials (such as filler, oxygenant and sanitas etc.), by improving technique, obtain dry powder class tackiness agent, its solid content is up to 95%, and bond effect is good, T-shaped stripping strength is high, has the following advantages:
1, dry powder adhesive solid content of the present invention is high, moisture content is few, realizes reducing the weight and volume of tackiness agent own, thus effectively reduces trucking costs and reduce storage space;
2, dry powder adhesive solid content of the present invention is high, moisture content is few, can extend the quality guaranteed period of tackiness agent, increases stability in storage, solves the problem of easy moldy metamorphism;
3, dry powder adhesive solid content of the present invention is high, moisture content is few, can store below-20 DEG C, and temperature Change impact is little, solves and easily solidifies in severe cold area, be inconvenient to the difficult problem used.
And in use, only dry powder adhesive and water need be stirred into thick pulpous state in 1:3 ~ 10 in proportion, be evenly coated on facial tissue, simple and convenient, can applied range.
In addition, the preparation method of paper product dry powder adhesive of the present invention only needs, under normal temperature condition (0-100 DEG C), to adopt common raw material, adopts simple plant and instrument to operate, and obtained the finished product, technique is simple, easy and simple to handle.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of a kind of paper product dry powder adhesive of the present invention preparation method.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail.
In order to solve the problems of the technologies described above, embodiments provide a kind of paper product dry powder adhesive, it is mainly as follows with the formula of parts by weight:
Acrylate 2-25 part;
Emulsifying agent 0.1-5 part;
Methacrylic acid 0.1-12 part;
Potassium Persulphate 0.1-12 part;
Promotor 0.01-12 part;
Filler 1-35 part;
Starch 35-65 part;
Oxygenant 0.01-8 part;
Sanitas 0.01-0.2 part;
Water 1-25 part.
Preferably, described paper product dry powder adhesive is mainly as follows with the formula of parts by weight:
Acrylate 5-20 part;
Emulsifying agent 0.5-3 part;
Methacrylic acid 1-10 part;
Potassium Persulphate 1-10 part;
Promotor 0.1-10 part;
Filler 5-30 part;
Starch 40-60 part;
Oxygenant 0.1-5 part;
Sanitas 0.01-0.1 part;
Water 5-20 part.
Further, described acrylate can be selected but the one be not limited in methyl acrylate, ethyl propenoate, n-butyl acrylate or its combination.
It should be noted that, the acrylate that the present invention selects is not limited to above-mentioned substance, and it can also be other acrylic ester monomers, such as: isopropyl acrylate, hy-droxybutyl etc.
Preferably, described starch selects plant amylum.
Better, described starch selects one in soya bean starch, W-Gum, wheat starch, sweet potato starch, yam starch, Starch rice, tapioca (flour) or its combination.
It should be noted that, the plant amylum that the present invention selects is not limited to above-mentioned substance, and it can also be other plant starch, such as sago starch, sorghum starch, pueraria starch etc.
Described oxygenant selects ammonium persulphate or Sodium Persulfate.Preferably, ammonium persulphate selected by described oxygenant.
Described filler selects one in calcium carbonate, kaolin, titanium dioxide, talcum powder or its combination.
Sodium Diacetate selected by described sanitas.
Sodium lauryl sulphate selected by described emulsifying agent.
Described promotor selects one in zinc acetate, cobaltous acetate or its combination.
Described wet concentration deionized water.
It should be noted that; know those skilled in the art should know; the oxygenant that the present invention selects, filler, sanitas, emulsifying agent, promotor are not limited to above-mentioned lifted material, and other have identical function, can realize the allied substances of identical effect includes within protection scope of the present invention.
Correspondingly, see Fig. 1, the embodiment of the present invention additionally provides a kind of method preparing above-mentioned paper product dry powder adhesive, comprising:
S101, joins in reactor by water, 1/3 acrylate, emulsifying agent, methacrylic acid, promotor, is warming up to 25-65 DEG C and stirs.
Preferably, water, 1/3 acrylate, emulsifying agent, methacrylic acid, promotor are joined in reactor, be warming up to 40-50 DEG C and stir.
Better, water, 1/3 acrylate, emulsifying agent, methacrylic acid, promotor are joined in reactor, is warming up to 45 DEG C and stirs.
S102, adds 1/3 persulfate aqueous solution, stirs and be warmed up to 65-95 DEG C in 0.1-2h.
Preferably, add 1/3 persulfate aqueous solution, stir in 0.1-1h and be warmed up to 75-85 DEG C.
Better, add 1/3 persulfate aqueous solution, stir in 0.5h and be warmed up to 80 DEG C.
S103, constant temperature stirs, and slowly adds 2/3 remaining acrylate, 2/3 remaining persulfate aqueous solution in 1-3h.
Preferably, constant temperature stirs, and slowly adds 2/3 remaining acrylate, 2/3 remaining persulfate aqueous solution in 1.5-2.5h.
Better, constant temperature stirs, and slowly adds 2/3 remaining acrylate, 2/3 remaining persulfate aqueous solution in 2h.
S104, is warming up to 80-100 DEG C of constant temperature and stirs 0.1-2h.
Preferably, be warming up to 85-95 DEG C of constant temperature and stir 0.1-1h.
Better, be warming up to 90 DEG C of constant temperature and stir 0.5h.
S105, keeps 80-100 DEG C of constant temperature, stops heating after adding starch, aqueous oxidizing agent solution, sanitas, filler stirring 0.1-3h.
Preferably, keep 85-95 DEG C of constant temperature, after adding starch, aqueous oxidizing agent solution, sanitas, filler stirring 0.5-1.5h, stop heating.
Better, keep 90 DEG C of constant temperature, after adding starch, aqueous oxidizing agent solution, sanitas, filler stirring 1h, stop heating.
S106, discharges reactor, and namely drying, pulverizing obtain dry powder adhesive.
Concrete, discharge reactor, put baking oven into, dry 2-4 hour at 110-140 degree Celsius, be then cooled to the pulverizing of room temperature pulverizing mill and namely obtain dry powder adhesive.
Preferably, discharge reactor, put baking oven into, dry 2.5-3.5 hour at 120-130 degree Celsius, be then cooled to the pulverizing of room temperature pulverizing mill and namely obtain dry powder adhesive.
Better, discharge reactor, put baking oven into, dry 3 hours at 125 degrees Celsius, be then cooled to the pulverizing of room temperature pulverizing mill and namely obtain dry powder adhesive.
It should be noted that, in step s 106, the tackiness agent obtained by step S105 makes dry powder tackiness agent through relevant oven dry and crushing technology, wherein, described drying technology and crushing technology can adopt other prior aries, and its embodiment is not limited to the baking oven and pulverizing mill that the embodiment of the present invention lifts.
Also it should be noted that, the composition of raw materials selected in a kind of preparation method of paper product dry powder adhesive is consistent with a kind of composition of raw materials of paper product dry powder adhesive product, does not repeat them here.
The using method of paper product dry powder adhesive of the present invention is: the dry powder adhesive obtained by above-mentioned technique and water in proportion (dry powder adhesive: water=1:3 ~ 10) stir into thick pulpous state, are evenly coated in facial tissue bonding, simple and convenient, can applied range.
Preferably, dry powder adhesive and water in proportion (dry powder adhesive: water=1:5) stir into thick pulpous state and use.
It should be noted that, dry powder adhesive of the present invention and water can be stirred into thick pulpous state in other ratios and use by human consumer according to actual needs, and its embodiment is not limited to illustrated embodiment of the present invention.
The present invention is set forth further below with specific embodiment
Reference example 1:
40Kg water, 25Kg acrylate, 2Kg sodium lauryl sulphate, 4Kg methacrylic acid, 0.5Kg zinc acetate are joined in 500L reactor, is warming up to 35 DEG C and stirs; Add 0.2Kg K
2s
2o
8the aqueous solution of preparation, stirs and is warmed up to 65 DEG C in 0.1h; Constant temperature stirs, and slowly adds 30Kg acrylate, 0.6Kg K in 1.5h
2s
2o
8the aqueous solution of preparation; Be warming up to 80 DEG C of constant temperature and stir 0.5h, the hard-cover box paper glue of certain brand on obtained market.
Using method: directly use, is evenly coated in facial tissue bonding.
Embodiment 1:
45Kg deionized water, 15Kg acrylate, 3Kg sodium lauryl sulphate, 6Kg methacrylic acid, 0.3Kg zinc acetate are joined in 500L reactor, is warming up to 45 DEG C and stirs; Add 0.3Kg K
2s
2o
8the aqueous solution of preparation, stirs and is warmed up to 80 DEG C in 0.5h; Constant temperature stirs, and slowly adds 30Kg acrylate, 0.6Kg K in 2h
2s
2o
8the aqueous solution of preparation; Be warming up to 90 DEG C of constant temperature and stir 0.5h; Keep 90 DEG C of constant temperature, stop heating after adding 150Kg soya bean starch, 1.8Kg ammonium persulfate aqueous solution, 0.03Kg sodium Diacetate, 48Kg calcium carbonate stirring 1h, discharge reactor, put baking oven into, dry 3 hours at 125 degrees Celsius, be then cooled to the pulverizing of room temperature pulverizing mill and namely obtain dry powder adhesive.
Wherein, the acrylate selected by embodiment 1 is methyl acrylate.
Using method: dry powder adhesive and water 1:5 stir into pasty state and use, and are evenly coated in facial tissue bonding.
Embodiment 2:
40Kg deionized water, 17Kg acrylate, 3Kg sodium lauryl sulphate, 6Kg methacrylic acid, 0.3Kg zinc acetate are joined in 500L reactor, is warming up to 45 DEG C and stirs; Add 0.3Kg K
2s
2o
8the aqueous solution of preparation, stirs and is warmed up to 80 DEG C in 0.5h; Constant temperature stirs, and slowly adds 34Kg acrylate, 0.6Kg K in 2h
2s
2o
8the aqueous solution of preparation; Be warming up to 90 DEG C of constant temperature and stir 0.5h; Keep 90 DEG C of constant temperature, heating is stopped after adding 140Kg W-Gum, 1.8Kg ammonium persulfate aqueous solution, 0.03Kg sodium Diacetate, 59Kg kaolin stirring 1h, discharge reactor, put baking oven into, dry 2.5 hours at 120 degrees Celsius, be then cooled to the pulverizing of room temperature pulverizing mill and namely obtain dry powder adhesive.
Wherein, the acrylate selected by embodiment 2 is ethyl propenoate.
Using method: dry powder adhesive and water 1:6 stir into pasty state and use, and are evenly coated in facial tissue bonding.
Embodiment 3:
50Kg deionized water, 20Kg acrylate, 3Kg sodium lauryl sulphate, 6Kg methacrylic acid, 0.3Kg cobaltous acetate are joined in 500L reactor, is warming up to 45 DEG C and stirs; Add 0.3Kg K
2s
2o
8the aqueous solution of preparation, stirs and is warmed up to 80 DEG C in 0.5h; Constant temperature stirs, and slowly adds 40Kg acrylate, 0.6Kg K in 2h
2s
2o
8the aqueous solution of preparation; Be warming up to 90 DEG C of constant temperature and stir 0.5h; Keep 90 DEG C of constant temperature, add after 140Kg whole meal flour, 1.8Kg ammonium persulfate aqueous solution, 0.03Kg sodium Diacetate, 38Kg titanium dioxide and talcum powder stir 1h and stop heating, discharge reactor, put baking oven into, dry 3.5 hours at 130 degrees Celsius, be then cooled to the pulverizing of room temperature pulverizing mill and namely obtain dry powder adhesive.
Wherein, the acrylate selected by embodiment 3 is n-butyl acrylate.
Using method: dry powder adhesive and water 1:8 stir into pasty state and use, and are evenly coated in facial tissue bonding.
Embodiment 4:
17Kg deionized water, 23Kg acrylate, 3Kg sodium lauryl sulphate, 6Kg methacrylic acid, 0.3Kg cobaltous acetate are joined in 500L reactor, is warming up to 65 DEG C and stirs; Add 0.3Kg K
2s
2o
8the aqueous solution of preparation, stirs and is warmed up to 95 DEG C in 2h; Constant temperature stirs, and slowly adds 46Kg acrylate, 0.6Kg K in 3h
2s
2o
8the aqueous solution of preparation; Be warming up to 95 DEG C of constant temperature and stir 2h; Keep 95 DEG C of constant temperature, heating is stopped after adding the soya bean starch of 195Kg, W-Gum and wheat starch (soya bean starch: W-Gum: wheat starch=1:1:1), 1.8Kg ammonium persulfate aqueous solution, 0.03Kg sodium Diacetate, 9Kg titanium dioxide stirring 3h, discharge reactor, put baking oven into, dry 3 hours at 125 degrees Celsius, be then cooled to the pulverizing of room temperature pulverizing mill and namely obtain dry powder adhesive.
Using method: dry powder adhesive and water 1:10 stir into pasty state and use, and are evenly coated in facial tissue bonding.
Wherein, the acrylate selected by embodiment 4 is Rocryl 410.
Embodiment 5:
30Kg deionized water, 3Kg acrylate, 3Kg sodium lauryl sulphate, 6Kg methacrylic acid, 0.3Kg cobaltous acetate are joined in 500L reactor, is warming up to 40 DEG C and stirs; Add 0.3Kg K
2s
2o
8the aqueous solution of preparation, stirs and is warmed up to 75 DEG C in 0.8h; Constant temperature stirs, and slowly adds 6Kg acrylate, 0.6Kg K in 1.5h
2s
2o
8the aqueous solution of preparation; Be warming up to 85 DEG C of constant temperature and stir 1h; Keep 85 DEG C of constant temperature, add after the Starch rice of 159Kg and sweet potato starch (Starch rice: sweet potato starch=2:1), 1.8Kg ammonium persulfate aqueous solution, 0.03Kg sodium Diacetate, 90Kg talcum powder stir 1.5h and stop heating, discharge reactor, put baking oven into, dry 4 hours at 140 degrees Celsius, be then cooled to the pulverizing of room temperature pulverizing mill and namely obtain dry powder adhesive.
Wherein, the acrylate selected by embodiment 5 is methyl acrylate and methyl methacrylate, and the ratio of described methyl acrylate and methyl methacrylate is 1:1.
Using method: dry powder adhesive and water 1:3 stir into pasty state and use, and are evenly coated in facial tissue bonding.
Embodiment 6:
75Kg deionized water, 24Kg acrylate, 3Kg sodium lauryl sulphate, 6Kg methacrylic acid, 0.3Kg cobaltous acetate are joined in 500L reactor, is warming up to 30 DEG C and stirs; Add 0.3Kg K
2s
2o
8the aqueous solution of preparation, stirs and is warmed up to 65 DEG C in 0.3h; Constant temperature stirs, and slowly adds 48Kg acrylate, 0.6Kg K in 1h
2s
2o
8the aqueous solution of preparation; Be warming up to 80 DEG C of constant temperature and stir 0.3h; Keep 80 DEG C of constant temperature, add after 105Kg tapioca (flour), 1.8Kg ammonium persulfate aqueous solution, 0.03Kg sodium Diacetate, 36Kg calcium carbonate and kaolin stir 0.5h and stop heating, discharge reactor, put baking oven into, dry 2 hours at 110 degrees Celsius, be then cooled to the pulverizing of room temperature pulverizing mill and namely obtain dry powder adhesive.
Wherein, acrylate selected by embodiment 6 is ethyl propenoate, n-butyl acrylate, methyl methacrylate and Rocryl 410, and the ratio of described ethyl propenoate, n-butyl acrylate, methyl methacrylate and Rocryl 410 is 2:1:1:1.
Using method: dry powder adhesive and water 1:4 stir into pasty state and use, and are evenly coated in facial tissue bonding.
Reference example 1 tackiness agent of the paper product dry powder adhesive of embodiment of the present invention 1-6 gained and prior art is made technology below to contrast, specific as follows:
| Technical parameter | Reference example 1 | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| Solid content | 55±2% | 95.6% | 96.2% | 95.2% | 97.3% | 96.8% | 95.0% |
| Quality guaranteed period | Preserve 6 months at 0-40 DEG C of temperature | > 24 months, limit without temperature condition | > 24 months, limit without temperature condition | > 24 months, limit without temperature condition | > 24 months, limit without temperature condition | > 24 months, limit without temperature condition | > 24 months, limit without temperature condition |
| T-shaped stripping strength | 3.5N/cm | 5.2N/cm | 5.6N/cm | 5.8N/cm | 5.7N/cm | 5.9N/cm | 5.5N/cm |
It should be noted that, the solid content of the tackiness agent of embodiment 1-6 and reference example 1 can adopt National Standard of the People's Republic of China GB/T 2793-1995 to measure; T-shaped stripping strength then can adopt National Standard of the People's Republic of China GB/T 2791-1995 to measure.
In sum, implement the embodiment of the present invention, there is following beneficial effect:
The invention provides a kind of paper product dry powder adhesive and preparation method thereof, compared with mostly being liquid or paste, pasty state with prior art tackiness agent, invention adhesive by increasing starch in formula, and increase relevant auxiliary materials (such as filler, oxygenant and sanitas etc.), by improving technique, obtain dry powder class tackiness agent, its solid content is up to 95%, and bond effect is good, T-shaped stripping strength is high, has the following advantages:
1, dry powder adhesive solid content of the present invention is high, moisture content is few, realizes reducing the weight and volume of tackiness agent own, thus effectively reduces trucking costs and reduce storage space;
2, dry powder adhesive solid content of the present invention is high, moisture content is few, can extend the quality guaranteed period of tackiness agent, increases stability in storage, solves the problem of easy moldy metamorphism;
3, dry powder adhesive solid content of the present invention is high, moisture content is few, can store below-20 DEG C, and temperature Change impact is little, solves and easily solidifies in severe cold area, be inconvenient to the difficult problem used.
And in use, only dry powder adhesive and water need be stirred into thick pulpous state in 1:3 ~ 10 in proportion, be evenly coated on facial tissue, simple and convenient, can applied range.
In addition, the preparation method of paper product dry powder adhesive of the present invention only needs, under normal temperature condition (0-100 DEG C), to adopt common raw material, adopts simple plant and instrument to operate, and technique is simple, easy and simple to handle.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a paper product dry powder adhesive, is characterized in that, it is mainly as follows with the formula of parts by weight:
Acrylate 2-25 part;
Emulsifying agent 0.1-5 part;
Methacrylic acid 0.1-12 part;
Potassium Persulphate 0.1-12 part;
Promotor 0.01-12 part;
Filler 1-35 part;
Starch 35-65 part;
Oxygenant 0.01-8 part;
Sanitas 0.01-0.2 part;
Water 1-25 part.
2. paper product dry powder adhesive as claimed in claim 1, it is characterized in that, it is mainly as follows with the formula of parts by weight:
Acrylate 5-20 part;
Emulsifying agent 0.5-3 part;
Methacrylic acid 1-10 part;
Potassium Persulphate 1-10 part;
Promotor 0.1-10 part;
Filler 5-30 part;
Starch 40-60 part;
Oxygenant 0.1-5 part;
Sanitas 0.01-0.1 part;
Water 5-20 part.
3. paper product dry powder adhesive as claimed in claim 1, is characterized in that, described acrylate selects one in methyl acrylate, ethyl propenoate, n-butyl acrylate or its combination.
4. paper product dry powder adhesive as claimed in claim 1, it is characterized in that, described starch selects plant amylum.
5. paper product dry powder adhesive as claimed in claim 4, is characterized in that, described starch selects one in soya bean starch, W-Gum, wheat starch, sweet potato starch, yam starch, Starch rice, tapioca (flour) or its combination.
6. paper product dry powder adhesive as claimed in claim 1, is characterized in that, described filler selects one in calcium carbonate, kaolin, titanium dioxide, talcum powder or its combination;
Described oxygenant selects ammonium persulphate or Sodium Persulfate;
Sodium Diacetate selected by described sanitas.
7. paper product dry powder adhesive as claimed in claim 1, it is characterized in that, sodium lauryl sulphate selected by described emulsifying agent;
Described promotor selects one in zinc acetate, cobaltous acetate or its combination;
Described wet concentration deionized water.
8. a preparation method for the paper product dry powder adhesive as described in any one of claim 1 ~ 7, is characterized in that, comprising:
Water, 1/3 acrylate, emulsifying agent, methacrylic acid, promotor are joined in reactor, is warming up to 25-65 DEG C and stirs;
Add 1/3 persulfate aqueous solution, stir in 0.1-2h and be warmed up to 65-95 DEG C;
Constant temperature stirs, and slowly adds 2/3 remaining acrylate, 2/3 remaining persulfate aqueous solution in 1-3h;
Be warming up to 80-100 DEG C of constant temperature and stir 0.1-2h;
Keep 80-100 DEG C of constant temperature, after adding starch, aqueous oxidizing agent solution, sanitas, filler stirring 0.1-3h, stop heating;
Discharge reactor, namely drying, pulverizing obtain dry powder adhesive.
9. the preparation method of paper product dry powder adhesive as claimed in claim 8, is characterized in that, comprising:
Water, 1/3 acrylate, emulsifying agent, methacrylic acid, promotor are joined in reactor, is warming up to 40-50 DEG C and stirs;
Add 1/3 persulfate aqueous solution, stir in 0.1-1h and be warmed up to 75-85 DEG C;
Constant temperature stirs, and slowly adds 2/3 remaining acrylate, 2/3 remaining persulfate aqueous solution in 1.5-2.5h;
Be warming up to 85-95 DEG C of constant temperature and stir 0.1-1h;
Keep 85-95 DEG C of constant temperature, after adding starch, aqueous oxidizing agent solution, sanitas, filler stirring 0.5-1.5h, stop heating;
Discharge reactor, put baking oven into, dry 2-4 hour at 110-140 degree Celsius, be then cooled to the pulverizing of room temperature pulverizing mill and namely obtain dry powder adhesive.
10. the preparation method of paper product dry powder adhesive as claimed in claim 8, it is characterized in that, described dry powder adhesive is mainly as follows with the formula of parts by weight:
Acrylate 2-25 part;
Emulsifying agent 0.1-5 part;
Methacrylic acid 0.1-12 part;
Potassium Persulphate 0.1-12 part;
Promotor 0.01-12 part;
Filler 1-35 part;
Starch 35-65 part;
Oxygenant 0.01-8 part;
Sanitas 0.01-0.2 part;
Water 1-25 part;
Wherein, described acrylate selects one in methyl acrylate, ethyl propenoate, n-butyl acrylate or its combination;
Described starch selects plant amylum;
Described filler selects one in calcium carbonate, kaolin, titanium dioxide, talcum powder or its combination;
Described oxygenant selects ammonium persulphate or Sodium Persulfate;
Sodium Diacetate selected by described sanitas;
Sodium lauryl sulphate selected by described emulsifying agent;
Described promotor selects one in zinc acetate, cobaltous acetate or its combination;
Described wet concentration deionized water.
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| CN103013404B true CN103013404B (en) | 2015-02-25 |
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| CN103337656B (en) * | 2013-07-05 | 2017-03-15 | 中国科学院青岛生物能源与过程研究所 | A kind of modified biomass Li-like ions battery adhesive |
| CN107680770B (en) * | 2016-09-09 | 2020-05-05 | 南通华兴磁性材料有限公司 | Engraving process for soft magnetic ferrite green body |
| CN107680771B (en) * | 2016-09-09 | 2019-11-29 | 诸暨市烈火工业设计工作室 | Clamping method of the soft magnetism green compact on digital-controlled carving machine |
| CN107142052A (en) * | 2017-06-07 | 2017-09-08 | 合肥励仙电力工程有限公司 | A kind of novel paper product adhesive and preparation method thereof |
| CN107151533A (en) * | 2017-06-22 | 2017-09-12 | 合肥励仙电力工程有限公司 | It is a kind of for gluing of paper products and preparation method thereof |
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| CN1313555C (en) * | 2004-02-17 | 2007-05-02 | 南京林业大学 | Aldehyde-free adhesives for artificial board |
| CN101508876B (en) * | 2008-10-14 | 2011-10-05 | 长春工业大学 | Modified starch based adhesion agent for lumber and preparation method |
| CN102559108B (en) * | 2012-01-17 | 2013-06-12 | 合肥工业大学 | Preparation method for water-fast starch adhesive with high initial adhesion |
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Address after: 528000 Foshan National Torch Innovation and Pioneer Park, Jihua two road, Chancheng District, Guangdong, Foshan province B5-1 Patentee after: Guangdong Hite Material Co. Ltd. Address before: 528000 Foshan National Torch Innovation and Pioneer Park, Jihua two road, Chancheng District, Guangdong, Foshan province B5-1 Patentee before: Foshan Haite Chemical Technology Co.,Ltd. |