CN104164203A - White latex for leatherworking and preparation method thereof - Google Patents
White latex for leatherworking and preparation method thereof Download PDFInfo
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- CN104164203A CN104164203A CN201410382097.7A CN201410382097A CN104164203A CN 104164203 A CN104164203 A CN 104164203A CN 201410382097 A CN201410382097 A CN 201410382097A CN 104164203 A CN104164203 A CN 104164203A
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Abstract
The invention discloses a white latex for leatherworking and a preparation method thereof. The white latex is characterized by comprising the following raw materials in parts by weight: 30-60 parts of vinyl acetate, 3-7 parts of polyvinyl alcohol, 2-6 parts of dibutyl phthalate, 0.5-1.5 parts of octanol, 0.1-0.2 part of ammonium persulfate and 30-50 parts of water. The invention has the following advantages: the white latex disclosed by the invention is curable at normal temperature and has high curing speed and high bonding strength; and a bonding layer has favorable toughness and durability and is less prone to age, thus ensuring that the white latex can be widely used for paper product bonding and can also be used as waterproof paint and a wood adhesive for wood material bonding. The white latex uses water as dispersing agent, is safe to use, non-toxic, non-inflammable, convenient to clean and curable at normal temperature, has favorable adhesion to wood, paper and textile and high bonding strength; a cured adhesive layer is colorless, transparent and good in toughness, causes no pollution to a bonded substance and has favorable emulsion stability; and the storage period of the white latex can be up to half a year or above.
Description
Technical field
The present invention relates to white glue with vinyl field, relate in particular to a kind of white glue with vinyl that is applied to leather processing.
Background technology
White glue with vinyl is a kind of thermoplastic cement being obtained through letex polymerization for raw material by vinyl acetate between to for plastic, polyvinyl alcohol, dibutyl phthalate, octanol, ammonium persulphate etc.Be widely used in the bonding of the industries such as woodenware processing, wood-based plate, sand-cement slurry, paper, cloth, leather, pottery.It is easy to use, bonding force is strong, and production technique is fairly simple.But its viscosity is unstable, under cold condition, often because viscosity increased causes gelling, need could use after heating especially in the winter time, not only bring much inconvenience to winter construction, but also affect bonding quality.Therefore general requirement storage requirement is more than 10 DEG C.For this shortcoming, now develop the white glue with vinyl of not gelling of low temperature, to solve storage in winter and construction problem.
Summary of the invention
The defect existing in order to overcome above-mentioned prior art, what the invention provides a kind of anti-low temperature, not gelling is applied to white glue with vinyl of leather processing and preparation method thereof.
Technical problem solved by the invention can adopt following technical scheme to realize:
A white glue with vinyl that is applied to leather processing, is characterized in that, comprises following each weight part raw material: vinyl acetate 30-60 part, polyvinyl alcohol 3-7 part, dibutyl phthalate 2-6 part, octanol 0.5-1.5 part, ammonium persulphate 0.1-0.2 part, water 30-50 part.
Preferably, described each weight part raw material is: vinyl acetate 40-50 part, polyvinyl alcohol 4-6 part, dibutyl phthalate 3-5 part, octanol 0.8-1.2 part, ammonium persulphate 0.12-0.18 part, water 35-45 part.
Preferably, described each weight part raw material is: 45 parts of vinyl acetates, 5 parts of polyvinyl alcohol, 4 parts of dibutyl phthalates, 1 part of octanol, 0.15 part of ammonium persulphate, 40 parts, water.
Be applied to a preparation method for the white glue with vinyl of leather processing, it is characterized in that comprising the following steps:
(1) press formula ratio dibutyl phthalate is mixed with octanol, stir and make its dissolving;
(2) in container, add water, be heated to 70 DEG C, under agitation add polyvinyl alcohol, be warming up to 90 DEG C, insulation is to all dissolving.After to be dissolved, stop heating and make temperature be down to 66～69 DEG C, under agitation add vinyl acetate;
(3) solution (1) step being made adds in the solution that (2) step makes, and finally adds ammonium persulphate, is uniformly mixed, and carries out letex polymerization at 66～69 DEG C, obtains white glue with vinyl.
Beneficial effect of the present invention is: white glue with vinyl of the present invention is normal temperature solidified, curing comparatively fast, bonding strength is higher, adhesive linkage has good toughness and weather resistance and is difficult for aging, can be widely used in bonding paper product, tackiness agent, the wood materials that also can make waterproof paint and timber are bonding.It is taking water as dispersion agent, use safe, nontoxic, do not fire, easy to clean, ambient cure, has good adhesion to timber, paper and fabric, Joint strength is high, solidify after glue-line water white transparency, good toughness, does not pollute bonded object; Good emulsion stability, more than the shelf lives can reach half a year.
Embodiment
Below in conjunction with specific embodiment, technical scheme of the present invention is further described in detail:
(1) vinyl acetate: have another name called vinyl acetate, be called for short vinyl acetate between to for plastic, colourless flammable liquid.There is intense flavors.Its steam is irritant to eye.Water insoluble, be dissolved in most of organic solvents.Be used for vinyl resin processed and synthon.Also for rubber processed, paint, tackiness agent etc.In this agent, be used as tackiness agent.
(2) polyvinyl alcohol: the macromolecular compound being formed through saponification by polyvinyl acetate (PVA).White or milk yellow powder.Tool thermoplasticity.According to saponification degree difference, product water soluble or only can be swelling.The main raw material as polyvinyl acetal-based resin, also as tackiness agent, dispersion agent etc.In this agent, be used as bonding agent.Select industrial goods.
(3) dibutyl phthalate: colourless liquid.Water insoluble, be dissolved in the organic solvent such as ethanol, ether.Softening agent while being plastics processed, synthetic rubber, leatheroid etc.Also be solvent and the solidifying agent of spices.In this agent, be used as softening agent.Select industrial goods.
(4) octanol: octanol has n-Octanol and various isomer.Here refer to 2-Ethylhexyl Alcohol-1.Colourless liquid, has special odor.In the organic solvents such as water-soluble and ethanol, ether.In this agent, be used as solvent.Select industrial goods.
(5) ammonium persulphate: colourless monoclinic crystal.Sometimes light green slightly, water-soluble.Be heated and decompose, have strong oxidizing property.As SYNTHETIC OPTICAL WHITNER, oxygenant, deodorizing composition etc.In this agent, be used as polymerization starter.Select industrial goods.
Embodiment mono-:
A white glue with vinyl that is applied to leather processing, is characterized in that, comprises following each weight part raw material: 30 parts of vinyl acetates, 3 parts of polyvinyl alcohol, 2 parts of dibutyl phthalates, 0.5 part of octanol, 0.1 part of ammonium persulphate, 30 parts, water.
Beneficial effect of the present invention is: white glue with vinyl of the present invention is normal temperature solidified, curing comparatively fast, bonding strength is higher, adhesive linkage has good toughness and weather resistance and is difficult for aging, can be widely used in bonding paper product, tackiness agent, the wood materials that also can make waterproof paint and timber are bonding.It is taking water as dispersion agent, use safe, nontoxic, do not fire, easy to clean, ambient cure, has good adhesion to timber, paper and fabric, Joint strength is high, solidify after glue-line water white transparency, good toughness, does not pollute bonded object; Good emulsion stability, more than the shelf lives can reach half a year.
Embodiment bis-:
A white glue with vinyl that is applied to leather processing, is characterized in that, comprises following each weight part raw material: 60 parts of vinyl acetates, 7 parts of polyvinyl alcohol, 6 parts of dibutyl phthalates, 1.5 parts of octanols, 0.2 part of ammonium persulphate, 50 parts, water.
Beneficial effect of the present invention is: white glue with vinyl of the present invention is normal temperature solidified, curing comparatively fast, bonding strength is higher, adhesive linkage has good toughness and weather resistance and is difficult for aging, can be widely used in bonding paper product, tackiness agent, the wood materials that also can make waterproof paint and timber are bonding.It is taking water as dispersion agent, use safe, nontoxic, do not fire, easy to clean, ambient cure, has good adhesion to timber, paper and fabric, Joint strength is high, solidify after glue-line water white transparency, good toughness, does not pollute bonded object; Good emulsion stability, more than the shelf lives can reach half a year.
Embodiment tri-:
A white glue with vinyl that is applied to leather processing, is characterized in that, comprises following each weight part raw material: 45 parts of vinyl acetates, 5 parts of polyvinyl alcohol, 4 parts of dibutyl phthalates, 1 part of octanol, 0.15 part of ammonium persulphate, 40 parts, water.
Beneficial effect of the present invention is: white glue with vinyl of the present invention is normal temperature solidified, curing comparatively fast, bonding strength is higher, adhesive linkage has good toughness and weather resistance and is difficult for aging, can be widely used in bonding paper product, tackiness agent, the wood materials that also can make waterproof paint and timber are bonding.It is taking water as dispersion agent, use safe, nontoxic, do not fire, easy to clean, ambient cure, has good adhesion to timber, paper and fabric, Joint strength is high, solidify after glue-line water white transparency, good toughness, does not pollute bonded object; Good emulsion stability, more than the shelf lives can reach half a year.
Embodiment tetra-:
A white glue with vinyl that is applied to leather processing, is characterized in that, comprises following each weight part raw material: 40 parts of vinyl acetates, 4 parts of polyvinyl alcohol, 3 parts of dibutyl phthalates, 0.8 part of octanol, 0.12 part of ammonium persulphate, 35 parts, water.
Beneficial effect of the present invention is: white glue with vinyl of the present invention is normal temperature solidified, curing comparatively fast, bonding strength is higher, adhesive linkage has good toughness and weather resistance and is difficult for aging, can be widely used in bonding paper product, tackiness agent, the wood materials that also can make waterproof paint and timber are bonding.It is taking water as dispersion agent, use safe, nontoxic, do not fire, easy to clean, ambient cure, has good adhesion to timber, paper and fabric, Joint strength is high, solidify after glue-line water white transparency, good toughness, does not pollute bonded object; Good emulsion stability, more than the shelf lives can reach half a year.
Embodiment five:
A white glue with vinyl that is applied to leather processing, is characterized in that, comprises following each weight part raw material: 50 parts of vinyl acetates, 6 parts of polyvinyl alcohol, 5 parts of dibutyl phthalates, 1.2 parts of octanols, 0.18 part of ammonium persulphate, 45 parts, water.
Beneficial effect of the present invention is: white glue with vinyl of the present invention is normal temperature solidified, curing comparatively fast, bonding strength is higher, adhesive linkage has good toughness and weather resistance and is difficult for aging, can be widely used in bonding paper product, tackiness agent, the wood materials that also can make waterproof paint and timber are bonding.It is taking water as dispersion agent, use safe, nontoxic, do not fire, easy to clean, ambient cure, has good adhesion to timber, paper and fabric, Joint strength is high, solidify after glue-line water white transparency, good toughness, does not pollute bonded object; Good emulsion stability, more than the shelf lives can reach half a year.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (4)
1. a white glue with vinyl that is applied to leather processing, is characterized in that, comprises following each weight part raw material: vinyl acetate 30-60 part, polyvinyl alcohol 3-7 part, dibutyl phthalate 2-6 part, octanol 0.5-1.5 part, ammonium persulphate 0.1-0.2 part, water 30-50 part.
2. the white glue with vinyl that is applied to leather processing according to claim 1, is characterized in that, described each weight part raw material is: vinyl acetate 40-50 part, polyvinyl alcohol 4-6 part, dibutyl phthalate 3-5 part, octanol 0.8-1.2 part, ammonium persulphate 0.12-0.18 part, water 35-45 part.
3. the white glue with vinyl that is applied to leather processing according to claim 1, is characterized in that, described each weight part raw material is: 45 parts of vinyl acetates, 5 parts of polyvinyl alcohol, 4 parts of dibutyl phthalates, 1 part of octanol, 0.15 part of ammonium persulphate, 40 parts, water.
4. a preparation method for the white glue with vinyl that is applied to leather processing according to claim 1, is characterized in that comprising the following steps:
(1) press formula ratio dibutyl phthalate is mixed with octanol, stir and make its dissolving;
(2) in container, add water, be heated to 70 DEG C, under agitation add polyvinyl alcohol, be warming up to 90 DEG C, insulation is to all dissolving, to be dissolved after, stop heating and make temperature be down to 66～69 DEG C, under agitation add vinyl acetate;
(3) solution (1) step being made adds in the solution that (2) step makes, and finally adds ammonium persulphate, is uniformly mixed, and carries out letex polymerization at 66～69 DEG C, obtains white glue with vinyl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410382097.7A CN104164203A (en) | 2014-08-05 | 2014-08-05 | White latex for leatherworking and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410382097.7A CN104164203A (en) | 2014-08-05 | 2014-08-05 | White latex for leatherworking and preparation method thereof |
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| CN104164203A true CN104164203A (en) | 2014-11-26 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105199636A (en) * | 2015-09-02 | 2015-12-30 | 铜陵翔宇商贸有限公司 | Polyvinyl acetate emulsion preparing method |
| CN106281133A (en) * | 2016-08-09 | 2017-01-04 | 胡春宇 | Carbon fiber health latex |
| CN107434963A (en) * | 2017-08-22 | 2017-12-05 | 王宇 | Polyvinyl acetate emulsions and preparation method thereof |
| CN112265339A (en) * | 2020-10-28 | 2021-01-26 | 深圳市柳鑫实业股份有限公司 | Cover plate for PCB (printed Circuit Board) back drilling and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102250564A (en) * | 2010-12-21 | 2011-11-23 | 刘青 | Manufacture method of white latex |
| CN103571345A (en) * | 2013-07-03 | 2014-02-12 | 天津市天之胶防火材料有限公司 | Strong white emulsion |
-
2014
- 2014-08-05 CN CN201410382097.7A patent/CN104164203A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102250564A (en) * | 2010-12-21 | 2011-11-23 | 刘青 | Manufacture method of white latex |
| CN103571345A (en) * | 2013-07-03 | 2014-02-12 | 天津市天之胶防火材料有限公司 | Strong white emulsion |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105199636A (en) * | 2015-09-02 | 2015-12-30 | 铜陵翔宇商贸有限公司 | Polyvinyl acetate emulsion preparing method |
| CN106281133A (en) * | 2016-08-09 | 2017-01-04 | 胡春宇 | Carbon fiber health latex |
| CN107434963A (en) * | 2017-08-22 | 2017-12-05 | 王宇 | Polyvinyl acetate emulsions and preparation method thereof |
| CN112265339A (en) * | 2020-10-28 | 2021-01-26 | 深圳市柳鑫实业股份有限公司 | Cover plate for PCB (printed Circuit Board) back drilling and preparation method thereof |
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Application publication date: 20141126 |
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