Natural compound adhesive as well as preparation method and application thereof in sheet

Abstract

The invention discloses a natural compound adhesive as well as a preparation method and application thereof in a sheet. The natural compound adhesive comprises starch glue, pectin, dextrin glue, tannin glue, albumen glue, gum, propylene glycol, glycerin and water. Furthermore, the invention also discloses a preparation method of the natural compound adhesive. The preparation method comprises the following steps: weighing the materials in parts by weight, adding the tannin glue, the albumen glue and the gum into warm water at 45-50 DEG C, and stirring until uniform clear liquid is obtained; slowly adding starch glue, pectin and dextrin glue in batches under stirring, and stirring to obtain uniform slurry; and finally, adding propylene glycol and glycerol while stirring, and continuously stirring to obtain uniform slurry. And finally, measuring the viscosity by using a viscometer. The adhesive is good in water solubility and simple in pretreatment. The sheet prepared from the adhesive has the advantages that the mechanical property is improved, the smoking smell during smoking is improved, and no peculiar smell is generated during heating of a smoke cartridge.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of heating non-combustible tobacco products and sheet preparation, in particular to the preparation of a natural compound adhesive in a sheet slurry formula and its application in a sheet. BACKGROUND

[0002] Heating non-combustible tobacco products (also known as heating cigarettes or low-temperature cigarettes) are a new type of tobacco product that releases nicotine and flavor substances through the heating of a tobacco core segment by a heating source of a smoking set to meet the needs of smokers. The heating segment material of the mainstream products on the market is mainly tobacco or non-tobacco sheet. In the production process of the sheet, an adhesive must be used to improve the dispersibility and uniformity of the slurry, and to make the formed sheet have good film-forming property, toughness and tension.

[0003] In the prior art, the adhesive for the sheet mainly includes chemical adhesives such as sodium carboxymethyl cellulose (CMC), hydroxypropyl methyl cellulose (HPMC), and hydroxymethyl starch (CMS). The sheet prepared by using such adhesives is fragile, not resistant to cutting, and excessive addition of the adhesives can affect the taste and safety of the human body. At the same time, the pretreatment of such adhesives is complicated, and the solubility is generally poor. SUMMARY

[0004] The present application provides a preparation method of a natural compound adhesive to overcome the deficiencies and shortcomings in the prior art. The adhesive has good water solubility and simple pretreatment. The sheet prepared by using the adhesive has improved mechanical properties and improved taste during smoking, and no odor is generated during heating of the cartridge. Specifically, the present application discloses a natural compound adhesive, which comprises:

[0005] A natural compound adhesive, the components of the natural compound adhesive are as follows (by weight):

[0006]

[0007] The starch glue includes but is not limited to one or more of corn starch, tapioca starch, polyvinyl alcohol starch, gelatinized starch glue, starch acetate glue, and hydroxyethyl starch glue.

[0008] The pectin includes but is not limited to one or more of hemi-pool, monosaccharide, and polysaccharide.

[0009] The dextrin glue includes but is not limited to malt dextrin.

[0010] The tannin glue includes but is not limited to one or more of natural plant glue of plant stem, bark, root, leaf, and fruit.

[0011] The protein glue includes but is not limited to one or more of plant protein glue and animal protein glue.

[0012] Gums: including but not limited to plant exudates, plant seed gums.

[0013] Preferably, the starch gum is any one or mixture of gelatin, xanthan gum, carrageenan, konjac gum.

[0014] Preferably, the natural compound adhesive further comprises 1-2% of tackifier and additives, the tackifier is cationic guar gum which is a material extracted from leguminous plants, and the additives are one or more of clove oil, menthol, anisic alcohol, cedrol; the ratio of tackifier to additives is 1:1 (by weight).

[0015] Preferably, the application further discloses a method for preparing the natural compound adhesive as described above, the materials are weighed according to the weight fraction,

[0016] First, add tannin gum, protein gum, and gum to warm water at 45-50℃, stir for 0.8-1.5 hours to a uniform clear liquid; keep the temperature unchanged, slowly add starch gum, pectin, and dextrin gum in batches under stirring for 1.5-2 hours to a uniform slurry; keep the temperature unchanged, finally add propylene glycol and glycerol under stirring, continue stirring for 1.5-2 hours to a uniform slurry; finally, measure the viscosity with a viscosity meter to reach 550-650 mPa·s, stop the reaction.

[0017] A natural compound adhesive component is (by weight fraction):

[0018]

[0019] The preparation method of the natural compound adhesive:

[0020] (1) Add 1000Kg water to the stirring tank, heat to 45℃, and start stirring;

[0021] (2) Slowly add 1Kg tannin gum, 2Kg protein gum, and 4Kg gum to the stirring tank, stir for 1 hour to a clear liquid;

[0022] (3) Slowly add 8Kg starch gum, 45Kg pectin, and 5Kg dextrin gum to the stirring tank, stir for 2 hours to a uniform slurry;

[0023] (4) Turn off the heating, add 5Kg propylene glycol and 30Kg glycerol to the stirring tank, continue stirring for 2 hours to a uniform slurry;

[0024] (5) Pour the slurry into a filter bottle, and use a circulating water vacuum pump to extract vacuum to eliminate air bubbles;

[0025] The viscosity of the natural compound adhesive is 630mPa·s.

[0026] Preferably, one natural compound adhesive component is (by weight fraction) :

[0027]

[0028] The natural compound adhesive preparation method:

[0029] (1) Add 1000Kg water to the stirring tank, heat to 45℃, and start stirring;

[0030] (2) Slowly add 2Kg tannin glue, 1Kg protein glue, and 7Kg gum to the stirring tank, and stir for 1 hour until the liquid is clear;

[0031] (3) Slowly add 10Kg starch glue, 32Kg pectin, and 8Kg dextrin glue to the stirring tank, and stir for 2 hours until the slurry is uniform;

[0032] (4) Turn off the heating, add 10Kg propylene glycol and 30Kg glycerol to the stirring tank, and continue stirring for 2 hours until the slurry is uniform;

[0033] (5) Pour the slurry into a filter bottle, and use a circulating water vacuum pump to remove bubbles;

[0034] The natural compound adhesive has a viscosity of 630mPa·s.

[0035] The natural compound adhesive component is (by weight fraction) :

[0036]

[0037] The natural compound adhesive preparation method:

[0038] (1) Add 800Kg water to the stirring tank, heat to 50℃, and start stirring;

[0039] (2) Slowly add 1Kg tannin glue, 1Kg protein glue, and 8Kg gum to the stirring tank, and stir for 1.5 hours until the liquid is clear;

[0040] (3) Slowly add 10Kg starch glue, 32Kg pectin, and 8Kg dextrin glue to the stirring tank, and stir for 1.8 hours until the slurry is uniform;

[0041] (4) Turn off the heating, add 10Kg propylene glycol and 30Kg glycerol to the stirring tank, and continue stirring for 1.5 hours until the slurry is uniform; (5) Pour the slurry into a filter bottle, and use a circulating water vacuum pump to remove bubbles;

[0042] The natural compound adhesive has a viscosity of 605mPa·s.

[0043] The natural compound adhesive preparation method provided by the application:

[0044] The prepared natural compound adhesive and the adhesive prepared from carboxymethyl cellulose sodium (CMC) as raw material are added into the flake slurry in the same proportion to prepare flake for tensile strength and sensory evaluation comparison. The tensile strength, suction taste and odor of the natural compound adhesive are all better than those of the adhesive prepared from carboxymethyl cellulose sodium (CMC) as raw material.

[0045] Compared with the prior art, the natural compound adhesive prepared by the method has the following advantages:

[0046] The natural compound adhesive prepared by the method has good water solubility and simple pretreatment. The flake prepared by the adhesive has improved mechanical properties and improved suction taste during suction, and no odor is generated during heating of the cigarette cartridge. DETAILED DESCRIPTION

[0047] Example 1

[0048] Material ratio:

[0049]

[0050] Natural compound adhesive preparation method:

[0051] (1) 1000Kg of water is added to the stirring tank, heated to 45℃, and stirring is started.

[0052] (2) 1Kg of tannin glue, 2Kg of protein glue and 4Kg of gum are slowly added to the stirring tank, and stirring is continued for 1 hour until the liquid is clear.

[0053] (3) 8Kg of starch glue, 45Kg of pectin and 5Kg of dextrin glue are slowly added to the stirring tank, and stirring is continued for 2 hours until the slurry is uniform.

[0054] (4) The heating is turned off, 5Kg of propylene glycol and 30Kg of glycerol are added to the stirring tank, and stirring is continued for 2 hours until the slurry is uniform.

[0055] (5) The slurry is poured into a filter bottle, and a circulating water vacuum pump is used to extract vacuum to eliminate air bubbles.

[0056] (6) The viscosity is tested by a viscosity instrument to be 630mPa·s.

[0057] Application of natural compound adhesive in flake:

[0058] An adhesive prepared from carboxymethyl cellulose sodium (CMC) as raw material is prepared, and the viscosity is tested to be 630mPa·s. The adhesive obtained in Example 1 and the adhesive prepared from carboxymethyl cellulose sodium (CMC) as raw material are added into the flake slurry in the same proportion to prepare flake for tensile strength and sensory evaluation comparison.

[0059] Tensile strength comparison:

[0060] Tensile strength of the sheet of the adhesive obtained in Experimental Example 1: 0.45 KN / m.

[0061] Tensile strength of the sheet of the adhesive obtained by adding sodium carboxymethyl cellulose (CMC) as the raw material: 0.36 KN / m.

[0062] Sensory evaluation comparison:

[0063] The sheet of the adhesive obtained in Experimental Example 1 has better taste than the sheet of the adhesive obtained by adding sodium carboxymethyl cellulose (CMC) as the raw material, and the sheet of the adhesive obtained in Experimental Example 1 has less odor than the sheet of the adhesive obtained by adding sodium carboxymethyl cellulose (CMC) as the raw material. The test data are shown in Table 1.

[0064] Example 2

[0065] Material ratio:

[0066]

[0067] Example 3 material ratio:

[0068] Example 4 material ratio:

[0069] Example 5 material ratio:

[0070]

[0071]

[0072] Example 6

[0073] Material ratio:

[0074]

[0075] In the present application, the preparation methods of the natural compounded adhesives in Examples 2-6 are the same as those in Experimental Example 1, and the prepared experimental products are all tested for viscosity, tensile strength, and sensory evaluation, and are compared with the reference samples. The functional parameter test statistics are shown in Table 1.

[0076] Table 1. Functional parameters of natural compounded adhesives

[0077]

[0078] The above experimental results show that the tensile strength, taste, and odor of the natural compounded adhesives prepared by the present application are significantly better than those of the adhesives prepared by using sodium carboxymethyl cellulose (CMC) as the raw material.

[0079] The present invention explains:

[0080] 1. The data source of the present invention is explained:

[0081] Adhesive viscosity: data obtained by viscometer (unit: mPa·s);

[0082] Tensile strength: data obtained by paper tensile tester (unit: kN / m 2 );

[0083] Suction smell: scored by professional sensory evaluation, blind evaluation of suction compared with the standard sample, the higher the score, the more comfortable the suction smell (1-10);

[0084] Suction odor: scored by professional sensory evaluation, blind evaluation of suction compared with the standard sample, the higher the score, the less the odor (1-10);

[0085] 2, the standard sample of the present invention is explained:

[0086] Standard sample A (adhesive): carboxymethyl cellulose sodium (CMC) dissolved in water to form an adhesive, compared with experimental examples 1, 2, 3;

[0087] Standard sample A (sheet): sheet made with A adhesive, compared with sheet made in experimental examples 1, 2, 3;

[0088] Standard sample B (adhesive): carboxymethyl cellulose sodium (CMC) dissolved in water to form an adhesive, compared with experimental examples 4, 5, 6;

[0089] Standard sample B (sheet): sheet made with B adhesive, compared with sheet made in experimental examples 4, 5, 6.

Claims

1. A natural compounded adhesive, characterized by: The natural compound adhesive component is (by weight fraction) : Among them, the starch glue: including but not limited to corn starch, cassava starch, polyvinyl alcohol starch, gelatinized starch glue, starch acetate glue, hydroxyethyl starch glue one or more; The pectin: including but not limited to containing half pond, monosaccharide, polysaccharide one or more; Dextrin glue: including but not limited to malt dextrin; Tannin glue: including but not limited to one or more of natural plant glue of plant stem, bark, root, leaf, fruit; Protein glue: including but not limited to one or more of plant protein glue, animal protein glue Gum: including but not limited to plant exudates, plant seed glue.

2. The natural compounded adhesive as claimed in claim 1, wherein: The starch glue is any one or mixture of several of gelatin, xanthan gum, carrageenan, konjac gum.

3. The natural compounded adhesive as claimed in claim 1, wherein: The natural compound adhesive also includes 1-2% of tackifier and additives, the tackifier is cationic guar gum which is a material extracted from leguminous plants, and the additives are one or more of clove oil, menthol, anise alcohol, cedar alcohol; The ratio of tackifier to additive is 1:1 (by weight fraction).

4. A process for the preparation of natural compounded adhesives as claimed in claims 1-3 characterized in that: According to the weight fraction, the materials are taken, the tannin glue, protein glue and gum are first added to warm water at 45-50℃, and stirred for 0.8-1.5 hours to a uniform clear liquid; The temperature is kept unchanged, and the starch glue, pectin and dextrin glue are slowly added in batches under stirring for 1.5-2 hours to a uniform slurry; The temperature is kept unchanged, and finally the propylene glycol and glycerol are added under stirring for 1.5-2 hours to a uniform slurry; Finally, the viscosity is measured by a viscosity instrument to reach 550-650 mPa·s, and the reaction is stopped.

5. The natural compounded adhesive as claimed in claim 1, wherein: The natural compound adhesive component is (by weight fraction) : The natural compound adhesive preparation method: (1) 1000Kg water is added to the stirring tank, heated to 45℃, and stirring is started; (2) 1Kg of tannin glue, 2Kg of protein glue and 4Kg of gum are slowly added to the stirring tank, and stirred for 1 hour to a clear liquid; (3) 8Kg of starch glue, 45Kg of pectin and 5Kg of dextrin glue are slowly added to the stirring tank, and stirred for 2 hours to a uniform slurry; (4) The heating is turned off, 5Kg of propylene glycol and 30Kg of glycerol are added to the stirring tank, and stirring is continued for 2 hours to a uniform slurry; (5) The slurry is poured into a filter bottle, and a circulating water vacuum pump is used to extract vacuum to eliminate bubbles; The obtained natural compound adhesive has a viscosity of 630mPa·s.

6. The natural compounded adhesive as claimed in claim 1, wherein: The natural compound adhesive component is (by weight fraction) : The natural compound adhesive preparation method: (1) 1000Kg water is added to the stirring tank, heated to 45℃, and stirring is started; (2) 1Kg of tannin glue, 2Kg of protein glue and 4Kg of gum are slowly added to the stirring tank, and stirred for 1 hour to a clear liquid; (3) 8Kg of starch glue, 45Kg of pectin and 5Kg of dextrin glue are slowly added to the stirring tank, and stirred for 2 hours to a uniform slurry; (4) The heating is turned off, 5Kg of propylene glycol and 30Kg of glycerol are added to the stirring tank, and stirring is continued for 2 hours to a uniform slurry; (5) The slurry is poured into a filter bottle, and a circulating water vacuum pump is used to extract vacuum to eliminate bubbles; The obtained natural compound adhesive has a viscosity of 630mPa·s.

7. The natural compounded adhesive according to claim 1, wherein the components are as follows (by weight): The preparation method of the natural compounded adhesive: (1) Add 800 Kg of water into a stirring tank and heat to 50°C, and start stirring; (2) Slowly add 1 Kg of tannin glue, 1 Kg of protein glue, and 8 Kg of tree gum into the stirring tank, and stir for 1.5 hours until the liquid is clear; (3) Slowly add 10 Kg of starch glue, 32 Kg of pectin, and 8 Kg of dextrin glue into the stirring tank, and stir for 1.8 hours until the slurry is uniform; (4) Turn off the heating, add 10 Kg of propylene glycol and 30 Kg of glycerol into the stirring tank, and continue stirring for 1.5 hours until the slurry is uniform; (5) Pour the slurry into a filter bottle, and use a circulating water vacuum pump to remove bubbles; The viscosity of the obtained natural compounded adhesive is 605 mPa·s.

Images