CN101392162A

CN101392162A - Fast dry and cold setting starch strengthened glue and preparation method thereof

Info

Publication number: CN101392162A
Application number: CNA2008101435166A
Authority: CN
Inventors: 曾广胜
Original assignee: 李新桥
Priority date: 2008-11-07
Filing date: 2008-11-07
Publication date: 2009-03-25
Anticipated expiration: 2028-11-07
Also published as: CN100577761C

Abstract

The invention relates to a quick-drying cold-forming starch toughening glue and a preparation method thereof. The quick-drying cold-forming starch toughening glue comprises the following materials with the following weight portions: 320 portions to 670 portions of starch, 1 portion to 5 portions of postassium pyroantimonate, 6 portions to 20 portions of exsiccated alum, 7 portions to 15 portions of light magnesium oxide, 5 portions to 20 portions of borax, 4 portions to 19 portions of solid natrium hyelroxide, 0.5 portion to 2 portions of aluminum sulfate, 3 portions to 12 portions of polyvinyl alcohol, 1 portion to 10 portions of expansion agent and 1030 portions to 1510 portions of water. The invention also includes the preparation method of the quick-drying cold-forming starch toughening glue. The quick-drying cold-forming starch toughening glue has low manufacturing cost, good storage performance, high bounding strength, high bounding speed and good water proof performance, and can be formed in cold conditions and be used as the adhesive for paper plates, paper boxes and the like and also as the toughening agent in paper manufacturing process.

Description

Fast dry and cold setting starch strengthened glue and preparation method thereof

Technical field

The present invention relates to a kind of amylan and preparation method thereof, especially relate to a kind of fast dry and cold setting starch glue and preparation method thereof.

Background technology

For a long time, in the operation of the bonding cardboard of corrugated cardboard factory, color printing factory, carton, carton, mostly adopt starch glue.

Simultaneously, waste paper pulled an oar directly to generate corrugated cardboard be an important directions of Future Development, and in order to improve the intensity after the waste paper moulding, also need in paper pulp interpolation amylan to improve bonding strength between the paper pulp fiber.

At present, the starch glue of market sale exists that binding speed is slow, bond strength is low, needs shortcomings such as heating in the poor water resistance, adhesion process.

Summary of the invention

The objective of the invention is to overcome the defective that existing amylan exists, provide a kind of production cost low, production quality control is easy, and shelf characteric is good, the cohesive strength height, and binding speed is fast, and water resistance is strong, starch strengthened glue that can be cold formed.

Purpose of the present invention is achieved by following technical solution:

The present invention's starch strengthened glue is formed by the manufacturing of following weight of material proportioning: 320～670 parts of starch, 1～5 part of potassium pyroantimoniate, 6～20 parts in dehydration alum, 7～15 parts of light magnesium oxides, 5～20 parts of boraxs, 4～19 parts of solid sodium hydroxides, 0.5～2 part in Tai-Ace S 150,3～12 parts of polyvinyl alcohol, 1～10 part of swelling agent, water 1030-1510 part.

The preferred W-Gum of described starch.

Described swelling agent can be selected sodium bicarbonate for use.

The preparation method of the present invention's starch strengthened glue may further comprise the steps: the dehydration alum that (one) will take by weighing drops in the stoving oven, the stoving oven temperature is risen to 120～150 ℃, reduce to the normal temperature discharging after the oven dry, crushing screening, mix gained mixture called after component A with light magnesium oxide; (2) 20～70 parts of starch are added 90～140 parts of water, be modulated into starch slurry; Sodium hydroxide with 20～30 parts of water dissolution, is added in the starch slurry, with the starch slurry gel, add Tai-Ace S 150 again, stir down 25-35 minute (preferred 30 minutes) at 65 ℃-75 ℃ (preferred 70 ℃), and with 100～300 parts of cold water mix, stir gained liquid called after B component; (3) in another container with 20～40 parts of water dissolution potassium pyroantimoniates, add 800～1000 parts of dilutions of water of 32 ℃-38 ℃ (preferred 35 ℃) again, and with all boraxs and 300～600 parts of starch mix gained liquid called after component C; (4) component A, B and C are merged, add polyvinyl alcohol, swelling agent again, mix, stir.

The present invention's starch strengthened glue, the preparation raw material wide material sources, low price, production unit and technology are simple, and production quality control is easy, and shelf characteric is good, the cohesive strength height, binding speed is fast, and water resistance is strong, can be cold formed.Be applicable to binding agent, also can be used for the toughener of paper-making process as cardboard, carton etc.

Embodiment

The invention will be further described below in conjunction with embodiment.

Embodiment 1

Material and proportioning: W-Gum 460kg, potassium pyroantimoniate 3kg, dehydration alum 10kg, light magnesium oxide 10kg, borax 16kg, solid sodium hydroxide 6kg, Tai-Ace S 150 2kg, polyvinyl alcohol 10kg, sodium bicarbonate 5kg, water 1205kg.

Preparation: (one) formulation components A: the alum that will dewater drops in the stoving oven, and temperature rises to 135 ℃, after the oven dry, reduces to the normal temperature discharging, and crushing screening mixes with light magnesium oxide; (2) formulation components B: the 60kg W-Gum is added 100kg water be modulated into starch slurry; Add aqueous sodium hydroxide solution (sodium hydroxide is formed with the 25kg water dissolution) and carry out gel; Add Tai-Ace S 150 again, mixed 30 minutes down at 70 ℃, and with the 250kg cold water mix, stir; (3) formulation components C: in another container,, with 35 ℃ water 800kg dilution, add borax and 400kg W-Gum again, mix with 30kg water dissolution potassium pyroantimoniate; (4) component A, B and C are merged, add polyvinyl alcohol, sodium bicarbonate again, mix, stir.

The present embodiment product can be stored at normal temperatures and never degenerate in 24 months; Obtaining its cohesive strength by HC-600N binding strength detecting instrument test is 0.85KN, and soaking, to measure its cohesive strength after 10 minutes be 0.75KN; Binding speed is less than 4 seconds; Use this glue bonding cardboard immersion not come unstuck in 72 hours; Can be cold formed.

Embodiment 2

Material and proportioning: W-Gum 575kg, potassium pyroantimoniate 4kg, dehydration alum 6kg, light magnesium oxide 7kg, borax 6kg, solid sodium hydroxide 10kg, Tai-Ace S 150 1kg, polyvinyl alcohol 5kg, sodium bicarbonate 8kg, water 1320kg.

Preparation: (one) formulation components A: the alum that will dewater drops in the stoving oven, and temperature rises to 135 ℃, after the oven dry, reduces to the normal temperature discharging, and crushing screening mixes with light magnesium oxide; (2) formulation components B: the 25kg W-Gum is added 90kg water be modulated into starch slurry; Add aqueous sodium hydroxide solution (sodium hydroxide is formed with the 30kg water dissolution) and carry out gel; Add Tai-Ace S 150 again, mix down at 68 ℃ and stirred 28 minutes, and with the 280kg cold water mix, stir; (3) formulation components C: in another container,, with 32 ℃ water 900kg dilution, add borax and 550kg W-Gum again, mix with 20kg water dissolution 4kg potassium pyroantimoniate; (4) component A, B and C are merged, add polyvinyl alcohol, sodium bicarbonate again, mix, stir.

The present embodiment product can be stored at normal temperatures and never degenerate in 24 months; Obtaining its cohesive strength by HC-600N binding strength detecting instrument test is 0.75KN, and soaking, to measure its cohesive strength after 10 minutes be 0.7KN; Binding speed is less than 4 seconds; Use this glue bonding cardboard immersion not come unstuck in 48 hours; Can be cold formed.

Embodiment 3

Material and proportioning: W-Gum 370kg, potassium pyroantimoniate 2kg, dehydration alum 15kg, light magnesium oxide 15kg, borax 10kg, solid sodium hydroxide 16kg, Tai-Ace S 150 0.6kg, polyvinyl alcohol 8kg, sodium bicarbonate 2kg, water 1295kg.

Preparation: (one) formulation components A: the alum that will dewater drops in the stoving oven, and temperature rises to 135 ℃, after the oven dry, reduces to the normal temperature discharging, and crushing screening mixes with light magnesium oxide; (2) formulation components B: the 70kg W-Gum is added 120kg water be modulated into starch slurry; Add aqueous sodium hydroxide solution (sodium hydroxide is formed with the 35kg water dissolution) and carry out gel; Add Tai-Ace S 150 again, mix down at 72 ℃ and stirred 32 minutes, and with the 200kg cold water mix, stir; (3) formulation components C: in another container,, with 37 ℃ water 900kg dilution, add borax and 300kg W-Gum again, mix with 40kg water dissolution potassium pyroantimoniate; (4) component A, B and C are merged, add polyvinyl alcohol, sodium bicarbonate again, mix, stir.

The present embodiment product can be stored at normal temperatures and never degenerate in 24 months, and obtaining its cohesive strength by HC-600N binding strength detecting instrument test is 0.70KN, and soaking, to measure its cohesive strength after 10 minutes be 0.65KN; Binding speed is less than 4 seconds; Use this glue bonding cardboard immersion not come unstuck in 24 hours; Can be cold formed.

Claims

1, a kind of fast dry and cold setting starch strengthened glue, it is characterized by: form: 320～670 parts of starch by the manufacturing of following weight of material proportioning, 1～5 part of potassium pyroantimoniate, 6～20 parts in dehydration alum, 7～15 parts of light magnesium oxides, 5～20 parts of boraxs, 4～19 parts of solid sodium hydroxides, 0.5～2 part in Tai-Ace S 150,3～12 parts of polyvinyl alcohol, 1～10 part of swelling agent, water 1030-1510 part.

2, fast dry and cold setting starch strengthened glue as claimed in claim 1 is characterized by: described starch is W-Gum.

3, fast dry and cold setting starch strengthened glue as claimed in claim 1 or 2 is characterized by: described swelling agent is a sodium bicarbonate.

4, a kind of preparation method of fast dry and cold setting starch strengthened glue according to claim 1, it is characterized by: may further comprise the steps: the dehydration alum that (one) will take by weighing drops in the stoving oven, the stoving oven temperature is risen to 120～150 ℃, reduce to the normal temperature discharging after the oven dry, crushing screening, mix gained mixture called after component A with light magnesium oxide; (2) 20～70 parts of starch are added 90～140 parts of water, be modulated into starch slurry; Sodium hydroxide with 20～30 parts of water dissolution, is added in the starch slurry,, adds Tai-Ace S 150 again, stirred 25-35 minute down at 65 ℃-75 ℃ with the starch slurry gel, and with 100～300 parts of cold water mix, stir gained liquid called after B component; (3) in another container with 20～40 parts of water dissolution potassium pyroantimoniates, add 800～1000 parts of dilutions of water of 32 ℃-38 ℃ again, and mix gained liquid called after component C with borax and 300～600 parts of starch; (4) component A, B and C are merged, add polyvinyl alcohol, swelling agent again, mix, stir.

5, as the preparation method of fast dry and cold setting starch strengthened glue as described in the claim 2, it is characterized by: in described (two) step, after adding Tai-Ace S 150, stirred 30 minutes down at 70 ℃.

6, as the preparation method of fast dry and cold setting starch strengthened glue as described in claim 2 or 3, it is characterized by: in described (three) step, the temperature that adds diluting water is 35 ℃.