CN102720067B - Spinning oil for polyvinyl alcohol fiber in civil works - Google Patents
Spinning oil for polyvinyl alcohol fiber in civil works Download PDFInfo
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- CN102720067B CN102720067B CN201210079631.8A CN201210079631A CN102720067B CN 102720067 B CN102720067 B CN 102720067B CN 201210079631 A CN201210079631 A CN 201210079631A CN 102720067 B CN102720067 B CN 102720067B
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Abstract
The invention relates to a spinning oil for polyvinyl alcohol fiber in civil works. The spinning oil comprises the following active ingredients: 16-30 parts of an antistatic agent poly cellulose quaternary ammonium salt, 12-28 parts of an emulsifier single glycerol fatty acid ester, 32-55 parts of a smoothing agent amino modified silicone oil, and 1-5 parts of a modifier nano inorganic silica. The components of the spinning oil are reasonably coordinated and compounded, have excellent comprehensive performance and endow the fiber with very good smoothing and cluster characteristics. The key of the spinning oil agent lays in that components containing polar groups and capable of forming hydrogen bond easily can on the one hand compound with cement hydrated products into hydrogen bonds to maintain good cohesive force, and on the other hand form hydrogen bonds with a large quantity of hydroxyl groups on polyvinyl alcohol fiber surface to gain strong adhesion, so as to greatly improve bonding force between the polyvinyl alcohol and cement concrete matrix, as well as reinforce high performance of the matrix.
Description
Technical field
The present invention relates to the finish using in a kind of polyvinyl alcohol spinning process, be specifically related to a kind of vinal spinning oil for civil engineering.
Background technology
The price of vinal is low, density is little, cohesive force is high, good dispersion, be easy to stir; Compare with other synthetic fiber, vinal good hydrophilic property, elastic modelling quantity are high, and have high-specific surface area, good with cement concrete compatibility, are applicable to the cement of various grades, strengthen successful.In addition, its light resistance and alkali resistance might as well, there is good chemical stability, add consumption little (consumption be only asbestos 1/5), and be acknowledged as the material of the most rising replacement asbestos, therefore more next and extensive in concrete application and research to polyvinyl alcohol at present.
Interaction between fiber and concrete substrate bonds to realize by fiber and concrete substrate interface, and therefore, the adhesion at fiber and concrete substrate interface is to affect the key factor that fiber plays a role.Polyvinyl alcohol fiber reinforced cement mechanism: because vinal contains polar group, on its strand-C-OH and hydrolysis product of cement-OH group formation hydrogen bond, at fiber surface, can adhere to more hydrated product, between fiber and cement matrix, there is chemical bond layer, thereby promoted the compactness and the bonding of having strengthened interface at interface, expanded vinal and hindered the interfacial effect scope of splitting enhancing.Therefore as in the civil engineering of having relatively high expectations for structural stability such as airfield runway, harbour, reservoir dam and railway highway, be all applied to vinal enhancing.
Be used for strengthening concrete staple fibre and should possess two conditions: the strength and modulus of (1) fiber will mate with matrix as far as possible mutually; (2) cohesive force between fiber and matrix will guarantee that suffered power passes to fiber by interface.Yet, in the market and researcher mostly just focused on giving the improvement of vinal high-strength and high-modulus, and ignored the raising of the interfacial combined function of vinal and cement concrete; And the research of vinal only focuses on the improvement of spinning material, Processes and apparatus, and rarely have researcher to notice the importance of polyvinyl alcohol spinning oil, this has limited the application of polyvinyl alcohol in civil engineering to a certain extent.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of vinal spinning oil for civil engineering, to overcome the deficiencies in the prior art.Each component of spinning oil of the present invention coordinates mutually, rationally composite, high comprehensive performance, gives the well characteristic such as level and smooth and boundling of fiber.This spinning oil not only can keep the higher strength and modulus of vinal itself, good dispersion, the advantage such as high-light-fastness and alkali resistance, key is that polar functionalities wherein easily forms hydrogen bond component and can be compounded to form hydrogen bond on the one hand and between hydrated cementitious afterproduct, keep good cohesive force, also can form hydrogen bond with vinal surface great amount of hydroxy group on the other hand, also form stronger adhesive force, guaranteed that like this cohesive force between polyvinyl alcohol and cement concrete matrix obtains very significantly improving, also make to strengthen the high performance of matrix simultaneously.
Vinal for civil engineering provided by the present invention by the active ingredient of spinning oil by component A: poly-cellulose quaternary ammonium salt, B component: mono-fatty acid glyceride, component C: amino-modified silicone oil, component D: nano grade inorganic silica, mix according to a certain percentage, hydrophilic and oleophilic value is controlled at 10-16 scope.
The poly-cellulose quaternary ammonium salt of component A as above is antistatic additive: poly-cellulose quaternary ammonium salt is owing to containing cellulose macromolecule chain component, contain and measure greatly hydroxyl, thereby there is good hygroscopicity and add fiber surface moisture, and the existence of end of the chain quaternary ammonium salt component, after moisture absorption, electrical conductivity increases, in fibre spinning process, electrically charged meeting is got rid of rapidly, because of but a kind of good antistatic additive, simultaneously itself entrained great amount of hydroxy group can be simultaneously with strengthen component and matrix component and form excellent bonding force.
B component mono-fatty acid glyceride as above is emulsifying agent: glyceryl monoacetate obtains with the form of mixtures of unreacted glycerine, glyceryl monoacetate, diglyceride and triglyceride conventionally, preferred glyceryl monoacetate example comprises glycerine single month esters of silicon acis, monocaprin and Monooctamoin, the effect such as play emulsification, antistatic, level and smooth, boundling, soak.
Component C amino-modified silicone oil as above is smooth agent: amino-modified silicone oil is because its abnormal submissive siloxane main chain structure makes it have good flatness, can guarantee that fiber can not produce brachycephaly greatly because rubbing in spinning process, cannot produce smoothly and lack amino-modified silicone oil component; Meanwhile, the graft modification by amino to siloxanes, amino can form hydrogen bond with the hydroxyl of fiber surface, and strong adhesion, can form the level and smooth rete of one deck at fiber surface.
Component D nano grade inorganic silica as above is modifier: nano grade inorganic silica is preferably the aqueous dispersion aggegation cataloid of particle diameter 1-200nm, be the colloidal solution (Ludox) that nanometer grade silica is dispersed in water, due to its rich surface hydroxyl (silanol base), can form hydrogen bond structure with vinal surface hydroxyl on the one hand, itself there is on the other hand good adhesive property, for good interface binding power is provided in fiber and cement enhancing process.
The main implementation procedure of spinning oil for a kind of vinal for civil engineering as above: get the poly-cellulose quaternary ammonium salt of 16-30 part, 12-28 part mono-fatty acid glyceride, 32-55 part amino-modified silicone oil, 1-5 part nano grade inorganic silica.First by the percentage by weight of above-mentioned each component, first mono-fatty acid glyceride is heated to 50～65 ℃, then respectively other several components are poured in stainless configuration still and are uniformly mixed, finally mono-fatty acid glyceride is poured into it and mixed, stir the spinning oil that can obtain function admirable for 1～2 hour.
Beneficial effect of the present invention is:
1, finish of the present invention partly contains the material composition that band can form hydrogen bond group in a large number, can form good cohesive force with cement concrete on the one hand, also can form stronger adhesive force with the hydroxyl of polyvinyl alcohol on the other hand, guaranteed that like this cohesive force between polyvinyl alcohol and cement concrete matrix obtains very significantly improving, and has played stronger enhancing effect to cement concrete;
2, finish of the present invention belongs to environment-friendly type finish, without mineral oil composition, after spinning, fiber, in process and civil engineering enhancement engineering, environment is not worked the mischief;
3, the present invention in use has good convergence, flatness, antistatic behaviour, makes the fiber of spinning reach intensity and stretch requirement.
Raw material of the present invention is easy to get, component is few, manufacturing technique simply can be widely used in the field of refinforced cement the reinforcement of concrete fiber.
The specific embodiment
Below in conjunction with the specific embodiment, further set forth the present invention.Should be understood that these embodiment are only not used in and limit the scope of the invention for the present invention is described.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read the content of the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Embodiment 1
For a vinal spinning oil for civil engineering, its formula and preparation method are as follows:
One, formula:
Component A antistatic additive: poly-cellulose quaternary ammonium salt, content is 16 parts;
B component emulsifying agent: single month esters of silicon acis of glycerine, content is 12 parts;
Component C smooth agent: amino-modified silicone oil, content is 32 parts;
Component D modifier: the aqueous dispersion aggegation cataloid that average grain diameter is 1nm, content is 1 part.
Described hydrophilic and oleophilic value is 10.
Two, preparation method
Get 16 parts of poly-cellulose quaternary ammonium salts, single month esters of silicon acis of 12 parts of glycerine, 32 parts of amino-modified silicone oils, 1 part of aqueous dispersion aggegation cataloid that average grain diameter is 1nm.First, by single month esters of silicon acis to 50 ℃ of glycerine, then respectively other several components are poured in stainless configuration still and are uniformly mixed, finally single month esters of silicon acis of glycerine is poured into it and mixed, stir the spinning oil that can obtain function admirable for 2 hours.
Embodiment 2
For a vinal spinning oil for civil engineering, its formula and preparation method are as follows:
One, formula:
Component A antistatic additive: poly-cellulose quaternary ammonium salt, content is 30 parts;
B component emulsifying agent: monocaprin, content is 28 parts;
Component C smooth agent: amino-modified silicone oil, content is 55 parts;
Component D modifier: the aqueous dispersion aggegation cataloid that average grain diameter is 200nm, content is 5 parts.
Described hydrophilic and oleophilic value is 16.
Two, preparation method
Get 30 parts of poly-cellulose quaternary ammonium salts, 28 parts of monocaprins, 55 parts of amino-modified silicone oils, 5 parts of aqueous dispersion aggegation cataloids that average grain diameter is 200nm.First, by single month esters of silicon acis to 65 ℃ of glycerine, then respectively other several components are poured in stainless configuration still and are uniformly mixed, finally single month esters of silicon acis of glycerine is poured into it and mixed, stir the spinning oil that can obtain function admirable for 1 hour.
Embodiment 3
For a vinal spinning oil for civil engineering, its formula and preparation method are as follows:
One, formula:
Component A antistatic additive: poly-cellulose quaternary ammonium salt, content is 20 parts;
B component emulsifying agent: Monooctamoin, content is 20 parts;
Component C smooth agent: amino-modified silicone oil, content is 40 parts;
Component D modifier: the aqueous dispersion aggegation cataloid that average grain diameter is 100nm, content is 3 parts.
Described hydrophilic and oleophilic value is 13.
Two, preparation method
Get 20 parts of poly-cellulose quaternary ammonium salts, 20 parts of monocaprins, 40 parts of amino-modified silicone oils, 3 parts of aqueous dispersion aggegation cataloids that average grain diameter is 100nm.First, by single month esters of silicon acis to 60 ℃ of glycerine, then respectively other several components are poured in stainless configuration still and are uniformly mixed, finally single month esters of silicon acis of glycerine is poured into it and mixed, stir the spinning oil that can obtain function admirable for 1.5 hours.
Claims (3)
1. for a vinal spinning oil for civil engineering, it is characterized in that: the active ingredient of described spinning oil is comprised of following component and content, described content calculates by weight:
Described nano grade inorganic silica is the aqueous dispersion aggegation cataloid of average grain diameter 1-200nm.
2. a kind of vinal spinning oil for civil engineering according to claim 1, is characterized in that, described mono-fatty acid glyceride is glycerine single month esters of silicon acis, monocaprin or Monooctamoin.
3. a kind of vinal spinning oil for civil engineering according to claim 1, is characterized in that, the hydrophilic and oleophilic value of described spinning oil is controlled at 10～16 scopes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210079631.8A CN102720067B (en) | 2012-03-22 | 2012-03-22 | Spinning oil for polyvinyl alcohol fiber in civil works |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210079631.8A CN102720067B (en) | 2012-03-22 | 2012-03-22 | Spinning oil for polyvinyl alcohol fiber in civil works |
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| CN102720067A CN102720067A (en) | 2012-10-10 |
| CN102720067B true CN102720067B (en) | 2014-08-06 |
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| CN201210079631.8A Expired - Fee Related CN102720067B (en) | 2012-03-22 | 2012-03-22 | Spinning oil for polyvinyl alcohol fiber in civil works |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102936848B (en) * | 2012-11-19 | 2014-12-03 | 中国电建集团成都勘测设计研究院有限公司 | Method for modifying polyvinyl alcohol fibers and mass concrete with high crack resistance |
| CN105064042B (en) * | 2015-09-22 | 2017-03-29 | 浙江华峰氨纶股份有限公司 | Give spinning oil of polyurethane elastomeric fiber backing-off performance and preparation method thereof |
| CN105887246B (en) * | 2016-04-28 | 2018-03-30 | 常州市灵达化学品有限公司 | A kind of cement products vinal spinning oil |
| CN108249798B (en) * | 2018-01-11 | 2021-01-12 | 东南大学 | Modification method of polyvinyl alcohol fiber for high-ductility cement-based composite material |
| CN110965331B (en) * | 2018-09-30 | 2022-06-21 | 中国石油化工股份有限公司 | Polyvinyl alcohol water-soluble short fiber spinning oil and preparation method thereof |
| CN112321232B (en) * | 2020-11-05 | 2022-02-08 | 四川鼎德商品混凝土有限公司 | Plastic concrete for impervious wall and preparation method and construction process thereof |
| CN114032677B (en) * | 2021-12-15 | 2023-10-10 | 杭州朗平纺织有限公司 | DTY oiling agent and DTY yarn |
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| CN1369593A (en) * | 2001-02-16 | 2002-09-18 | 中国石油天然气股份有限公司 | Polypropylene fine denier short fiber oiling agent |
| CN1670297A (en) * | 2004-03-19 | 2005-09-21 | 张纪梅 | Surface treatment agent for polymer tacryl |
| CN101058944A (en) * | 2007-06-01 | 2007-10-24 | 徐元萍 | Vinylon pure-spinning fibre oil solution and preparing method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56134554A (en) * | 1980-03-26 | 1981-10-21 | Kuraray Co | Method of enhancing cement material |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1369593A (en) * | 2001-02-16 | 2002-09-18 | 中国石油天然气股份有限公司 | Polypropylene fine denier short fiber oiling agent |
| CN1670297A (en) * | 2004-03-19 | 2005-09-21 | 张纪梅 | Surface treatment agent for polymer tacryl |
| CN101058944A (en) * | 2007-06-01 | 2007-10-24 | 徐元萍 | Vinylon pure-spinning fibre oil solution and preparing method thereof |
Non-Patent Citations (2)
| Title |
|---|
| JP昭56-134554A 1981.10.21 |
| 梅自强等.合成纤维油剂中表明活性剂的重要功能.《纺织工业中的表面活性剂》.中国石化出版社,2001,68,77,80-84,88,89,99,100. * |
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Granted publication date: 20140806 Termination date: 20160322 |