CN101555663A - Modified vegetable gum sizing material and preparation technique thereof - Google Patents
Modified vegetable gum sizing material and preparation technique thereof Download PDFInfo
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- CN101555663A CN101555663A CNA2009101151258A CN200910115125A CN101555663A CN 101555663 A CN101555663 A CN 101555663A CN A2009101151258 A CNA2009101151258 A CN A2009101151258A CN 200910115125 A CN200910115125 A CN 200910115125A CN 101555663 A CN101555663 A CN 101555663A
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Abstract
The invention relates to a modified vegetable gum sizing material applied in sizing high count and high density pure cotton fabrics and a preparation technique thereof, and pertains to the field of the fine chemical industry. The modified vegetable gum sizing material is compounded by the following steps of: firstly, oxidizing guar gum, conducting graft copolymerization, grafting chemical group with good film forming property to molecular chains, and then adding hydrogenated vegetable gum. The preparation technique comprises the steps of: breaking main chains of the guar gum with an oxidant under alkalescency condition to lower the polymerization degree of the guar gum, oxidizing partial hydroxyl into carboxyl, activating hydroxyl under the effect of KMnO4 and H2SO4 in vacuum condition, grafting methyl methacrylate and vinyl acetate monomers and adding hydrogenated oil finally to conduct composition. The modified vegetable gum sizing material can be matched with modified starch for sizing high count and high density pure cotton fabrics, contains no PVA, simultaneously has good film forming and wear resistance properties, requires no addition of other chemical assistant agents, can greatly lower the comprehensive cost of sizing and has the best adhesiveness to cotton fiber.
Description
Technical field
The present invention relates to a kind of a kind of modified vegetable gum sizing material and preparation technology who uses when being applied to the starching of high-count and high-density pure cotton fabric, belong to field of fine chemical.
Background technology
Current, the material that is applied to the textile warp starching mainly contains converted starch, PVA and some auxiliary agents.Because PVA is petrochemicals, price fluctuation is big, and is difficult for degraded.The textiles of PVA starching is used in the western developed country nonimportation.Therefore the environmental protection slurry of a kind of PVA of replacement is being sought always by domestic textile enterprise.Be used to replace the slurry kind of PVA in the prior art, water-soluble polyester slurry, esterification farina arranged, also have the corn graft modified starch, polyacrylic acid is a slurry etc., and Shang Weijian adopts the slurry technology of natural plant gum sex change.Wherein, the water-soluble polyester slurry mainly utilizes itself and polyster fibre (polyester) to have closely similar chemical constitution, adds the polyester slurry when sizing mixing, and can improve the compatibility of whole slurries and polyster fibre, reaches the starching purpose; Esterification and farina are to utilize in farina and vinylacetate reaction, insert acetate groups in starch molecule, improve the adhesion property of slurry, but its film forming and anti-wear performance can't reach requirement, can only reduce part PVA consumption; Graft modified starch inserts vinylacetate or acrylic compounds material on starch molecular chain, some performance is near chemical sizwe, but his film forming still can't reach the performance of PVA.So, in use also can only reduce the consumption of part PVA, also can't reach the purpose of not using PVA; The polyacrylic slurry has very good adhesion property, because water imbibition is too strong, also can't use in a large number, only uses as auxiliary agent at present, improves sizing performance, can't replace PVA.
Summary of the invention
One of purpose of the present invention is to provide the modified vegetable gum sizing material in a kind of material that is applied to the textile warp starching, is a kind of environmental protection slurry that is used to replace the slurry of PVA.
Two of purpose of the present invention provides the preparation technology of this modified vegetable gum sizing material.
One of purpose of the present invention is achieved in that with the guar gum to be body material, earlier guar gum is carried out oxidation, carries out graft copolymerization again, inserts the good chemical group of filming performance on its strand: methyl methacrylate and Vinyl Acetate Monomer; Add the compound modified vegetable gum sizing material that is made into of hydrogenated vegetable glue again;
Being preferably it is made by the raw material of following weight parts ratio: 80～120 parts of guar gums, 1～5 part in hydrogen peroxide, 1～7 part of vinylacetate, 5～10 parts of methyl methacrylates, 12～18 parts of hydrogenated vegetable oils, 0.1～0.3 part of catalyst, 0.3～0.8 part of initator, 6～15 parts and 0.6～0.9 part OP-10 of solvent, wherein adopt caustic soda to regulate pH value to 7.5～8.5 of guar gum, catalyst is 5% copper sulphate, initator is 0.1～0.3 part in 0.2～0.5 part in potassium permanganate and a sulfuric acid, as solvent, percentage is mass concentration with industrial alcohol.
Two of purpose of the present invention is achieved in that and makes the guar gum backbone breaking with oxidant under the alkalescence condition earlier that reduce its degree of polymerization, part of hydroxyl is oxidized to carboxyl, uses KMnO again under vacuum condition
4And H
2SO
4Effect is the activation hydroxyl down, inserts methyl methacrylate and Vinyl Acetate Monomer, adds hydrogenated oil and fat at last and is re-dubbed the modified vegetable gum sizing material that suitable textile warp starching is used.
Guar gum is so that β-(1-4)-the D mannose is a main chain backbone, side chain then is made up of single α-D-galactopyranose, and link to each other with main chain with (1-6) key, every a mannose galactolipin side chain is just arranged, three hydroxyls are arranged on the mannose unit on the main chain, galactose units on the side chain has four hydroxyls, and these hydroxyls all have certain activity, helps guar gum is carried out modification.
Modified vegetable gum sizing material of the present invention is a kind of product of researching and developing at the textile kind warp sizing of high-count and high-density specially, cooperates converted starch to use, and can not use PVA fully at such textile sizing.Compare with existing similar products on the market, this product has following several advantage:
1, good film forming, anti-wear performance can reach the purpose of not using PVA fully;
2, combination property is strong, only needs to use modified plant gum with converted starch, just can satisfy the starching requirement, does not need to add other chemical assistants;
3, use modified vegetable gum sizing material, can reduce the sizing integrated cost significantly;
4, cotton fiber had best adhesiveness.
Description of drawings
Accompanying drawing is a process chart of the present invention
The specific embodiment
Know-why of the present invention
The m among (MMA) m, (VAc) n wherein, n represents the degree of polymerization of MMA and VAc respectively.
Technological parameter: weight portion is a guar gum: hydrogen peroxide: vinylacetate: methyl methacrylate: hydrogenated oil and fat=80～120: 1～5: 1～7: 5～10: 12～18.100～130 ℃ of graft reaction temperature, 2.0～3.0 hours graft reaction time, total reaction time 5～10 hours.
The preferred embodiment of the present invention forms for the feedstock production by following weight portion, its preparation process is followed successively by and utilizes the bleed type cast feeder that 80～120 parts of guar gums are put in the vacuum reaction still, start is stirred, while prepares 0.4% caustic soda in the chemicals batch tank, regulate pH value to 7.5～8.5 of guar gum with it, in another chemicals batch tank, configure 0.1～0.3 part of the bluestone catalyst of 1～5 part in hydrogen peroxide and 5%, be injected in the reactor with the atomizing shower nozzle, sealed reactor. vacuumize, maintain the temperature at 55 ℃～65 ℃, guar gum carried out oxidation reaction 2.0～3.0 hours, spray into 0.1～0.3 part in 0.2～0.5 part in the potassium permanganate that configures and sulfuric acid as initator, activation guar gum 0.3～1.0 hour, use 6～15 parts of industrial alcohol as solvent simultaneously, dispose 5～10 parts of 1～7 part of vinylacetate and methyl methacrylates respectively, be injected in the reactor then, graft reaction is 2.0～3.0 hours in 100～130 ℃, 12～18 parts of hydrogenated vegetable oils are injected in the reactor with liquid form, spray into 0.6～0.9 part of OP-10 simultaneously, cooling, regulate pH value to neutral, get modified vegetable gum sizing material, the blanking packing, described percentage is mass concentration.When hydrogenated vegetable oil solidifies, need be heated to liquid state and be injected in the reactor with liquid form.
The specific embodiment of the invention is:
Embodiment 1: the feedstock production by following weight portion forms, its preparation process is followed successively by and utilizes the bleed type cast feeder that 80 parts of guar gums are put in the vacuum reaction still, start is stirred, while prepares 0.4% caustic soda in the chemicals batch tank, regulate the pH value to 7.5 of guar gum with it, in another chemicals batch tank, configure 0.2 part of the bluestone catalyst of 2 parts in hydrogen peroxide and 5%, be injected in the reactor with the atomizing shower nozzle, sealed reactor. vacuumize, maintain the temperature at 55 ℃～65 ℃, guar gum carried out oxidation reaction 2.0～3.0 hours, spray into 0.1 part in 0.2 part in the potassium permanganate that configures and sulfuric acid as initator, activation guar gum 0.3～1.0 hour, use 7 parts of industrial alcohol as solvent simultaneously, dispose 5 parts of 2 parts of vinylacetates and methyl methacrylates respectively, be injected in the reactor then, graft reaction is 2.0～3.0 hours in 100～130 ℃, 12 parts of hydrogenated vegetable oils are injected in the reactor with liquid form, spray into 0.6 part of OP-10 simultaneously, cooling is regulated pH value to neutral, gets modified vegetable gum sizing material, the blanking packing, described percentage is mass concentration.
Embodiment 2: its preparation process is followed successively by and utilizes the bleed type cast feeder that guar gum 100kg is put in the vacuum reaction still, start is stirred, while prepares 0.4% caustic soda in the chemicals batch tank, regulate the pH value to 8.0 of guar gum with it, in another chemicals batch tank, configure the bluestone catalyst 0.2kg of hydrogen peroxide 3KG and 5%, be injected in the reactor with the atomizing shower nozzle, sealed reactor. vacuumize, maintain the temperature at 55 ℃～65 ℃, guar gum carried out oxidation reaction 2.0～3.0 hours, spray into the potassium permanganate 0.3kg that configures and sulfuric acid 0.2kg as initator, activation guar gum 0.3～1.0 hour, use industrial alcohol 12kg as solvent simultaneously, dispose vinylacetate 4kg and methyl methacrylate 8kg respectively, be injected in the reactor then, graft reaction is 2.0～3.0 hours in 100～130 ℃, hydrogenated vegetable oil 15kg is injected in the reactor with liquid form, spray into 0.8 part of OP-10 simultaneously, cooling, regulate pH value to neutral, get modified vegetable gum sizing material, the blanking packing, described percentage is mass concentration.
Embodiment 3: the feedstock production by following weight portion forms, its preparation process is followed successively by and utilizes the bleed type cast feeder that 120 parts of guar gums are put in the vacuum reaction still, start is stirred, while prepares 0.4% caustic soda in the chemicals batch tank, regulate the pH value to 8.5 of guar gum with it, in another chemicals batch tank, configure 0.3 part of the bluestone catalyst of 5 parts in hydrogen peroxide and 5%, be injected in the reactor with the atomizing shower nozzle, sealed reactor. vacuumize, maintain the temperature at 55 ℃～65 ℃, guar gum carried out oxidation reaction 2.0～3.0 hours, spray into 0.3 part in 0.5 part in the potassium permanganate that configures and sulfuric acid as initator, activation guar gum 0.3～1.0 hour, use 15 parts of industrial alcohol as solvent simultaneously, dispose 10 parts of 5 parts of vinylacetates and methyl methacrylates respectively, be injected in the reactor then, graft reaction is 2.0～3.0 hours in 100～130 ℃, 18 parts of hydrogenated vegetable oils are injected in the reactor with liquid form, spray into 0.9 part of OP-10 simultaneously, cooling is regulated pH value to neutral, gets modified vegetable gum sizing material, the blanking packing, described percentage is mass concentration.
Claims (4)
1, a kind of modified vegetable gum sizing material is a body material with the guar gum, it is characterized in that: earlier guar gum is carried out oxidation, carry out graft copolymerization again, insert methyl methacrylate and Vinyl Acetate Monomer on its strand; Add the compound modified vegetable gum sizing material that is made into of hydrogenated vegetable glue again.
2, a kind of modified vegetable gum sizing material according to claim 1, it is characterized in that: it is made by the raw material of following weight parts ratio: 80～120 parts of guar gums, 1～5 part in hydrogen peroxide, 1～7 part of vinylacetate, 5～10 parts of methyl methacrylates, 12～18 parts of hydrogenated vegetable oils, 0.1～0.3 part of catalyst, 0.3～0.8 part of initator, 6～15 parts and 0.6～0.9 part OP-10 of solvent, wherein adopt caustic soda to regulate pH value to 7.5～8.5 of guar gum, catalyst is 5% copper sulphate, initator is 0.1～0.3 part in 0.2～0.5 part in potassium permanganate and a sulfuric acid, as solvent, described percentage is mass concentration with industrial alcohol.
3, the preparation technology of a kind of modified vegetable gum sizing material according to claim 1 is characterized in that: make the guar gum backbone breaking with oxidant under the alkalescence condition earlier, reduce its degree of polymerization, part of hydroxyl is oxidized to carboxyl, uses KMnO again under vacuum condition
4And H
2SO
4Effect is the activation hydroxyl down, inserts methyl methacrylate and Vinyl Acetate Monomer, adds hydrogenated oil and fat at last and is re-dubbed.
4, the preparation technology of a kind of modified vegetable gum sizing material according to claim 3, it is characterized in that: the feedstock production by following weight portion forms, its preparation process is followed successively by and utilizes the bleed type cast feeder that 80～120 parts of guar gums are put in the vacuum reaction still, start is stirred, while prepares 0.4% caustic soda in the chemicals batch tank, regulate pH value to 7.5～8.5 of guar gum with it, in another chemicals batch tank, configure 0.1～0.3 part of the bluestone catalyst of 1～5 part in hydrogen peroxide and 5%, be injected in the reactor with the atomizing shower nozzle, sealed reactor. vacuumize, maintain the temperature at 55 ℃～65 ℃, guar gum carried out oxidation reaction 2.0～3.0 hours, spray into 0.1～0.3 part in 0.2～0.5 part in the potassium permanganate that configures and sulfuric acid as initator, activation guar gum 0.3～1.0 hour, use 6～15 parts of industrial alcohol as solvent simultaneously, dispose 5～10 parts of 1～7 part of vinylacetate and methyl methacrylates respectively, be injected in the reactor then, graft reaction is 2.0～3.0 hours in 100～130 ℃, 12～18 parts of hydrogenated vegetable oils are injected in the reactor with liquid form, spray into 0.6～0.9 part of OP-10 simultaneously, cooling, regulate pH value to neutral, get modified vegetable gum sizing material, the blanking packing, described percentage is mass concentration.
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| CN2009101151258A CN101555663B (en) | 2009-03-31 | 2009-03-31 | Modified vegetable gum sizing material and preparation technique thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102363939A (en) * | 2011-06-30 | 2012-02-29 | 上海东升新材料有限公司 | Guar gum surface sizing agent and preparation method thereof |
| CN102363937A (en) * | 2011-06-30 | 2012-02-29 | 上海东升新材料有限公司 | Guar gum surface sizing agent and its preparation method |
| CN102532336A (en) * | 2011-12-16 | 2012-07-04 | 常州圣安涂料有限公司 | Modified vegetable glue, preparation method thereof and application of modified vegetable glue to preparation of emulsion paint |
| CN103146107A (en) * | 2013-03-28 | 2013-06-12 | 南通市鸿瑞化工有限公司 | Production method of spray water paste |
| CN106381707A (en) * | 2015-07-28 | 2017-02-08 | 上海申鹤精细化工有限公司 | Warp sizing method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4788413B2 (en) * | 2006-03-10 | 2011-10-05 | セイコーエプソン株式会社 | Pre-treatment agent for inkjet ink for textile printing, fabric treated with pre-treatment agent, and inkjet textile printing method |
| CN100415984C (en) * | 2006-03-14 | 2008-09-03 | 苏州润宝化学品有限公司 | Guar gum natural silk printing paste and method for preparing same |
| CN100547160C (en) * | 2006-10-19 | 2009-10-07 | 上海东升新材料有限公司 | A kind of preparation method of high-curing modified-guar-gum contained aqueous solution |
| CN101210401B (en) * | 2007-12-24 | 2010-06-02 | 上海东升新材料有限公司 | Modified guar surface sizing agent and its preparing method and application |
-
2009
- 2009-03-31 CN CN2009101151258A patent/CN101555663B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102363939A (en) * | 2011-06-30 | 2012-02-29 | 上海东升新材料有限公司 | Guar gum surface sizing agent and preparation method thereof |
| CN102363937A (en) * | 2011-06-30 | 2012-02-29 | 上海东升新材料有限公司 | Guar gum surface sizing agent and its preparation method |
| CN102363937B (en) * | 2011-06-30 | 2013-06-12 | 上海东升新材料有限公司 | Guar gum surface sizing agent and its preparation method |
| CN102363939B (en) * | 2011-06-30 | 2013-11-06 | 上海东升新材料有限公司 | Guar gum surface sizing agent and preparation method thereof |
| CN102532336A (en) * | 2011-12-16 | 2012-07-04 | 常州圣安涂料有限公司 | Modified vegetable glue, preparation method thereof and application of modified vegetable glue to preparation of emulsion paint |
| CN102532336B (en) * | 2011-12-16 | 2014-09-03 | 常州圣安涂料有限公司 | Modified vegetable glue, preparation method thereof and application of modified vegetable glue to preparation of emulsion paint |
| CN103146107A (en) * | 2013-03-28 | 2013-06-12 | 南通市鸿瑞化工有限公司 | Production method of spray water paste |
| CN103146107B (en) * | 2013-03-28 | 2015-04-08 | 南通市鸿瑞化工有限公司 | Production method of spray water paste |
| CN106381707A (en) * | 2015-07-28 | 2017-02-08 | 上海申鹤精细化工有限公司 | Warp sizing method |
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|---|---|
| CN101555663B (en) | 2012-02-01 |
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