CN105271833A - Glass fiber impregnating compound capable of reducing migration rate - Google Patents
Glass fiber impregnating compound capable of reducing migration rate Download PDFInfo
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- CN105271833A CN105271833A CN201510742832.5A CN201510742832A CN105271833A CN 105271833 A CN105271833 A CN 105271833A CN 201510742832 A CN201510742832 A CN 201510742832A CN 105271833 A CN105271833 A CN 105271833A
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Abstract
The invention discloses a glass fiber impregnating compound capable of reducing a migration rate. The glass fiber impregnating compound consists of the following substances in percentage by mass: 1.5 to 4.5 percent of polyester emulsion, 1.0 to 3.5 percent of epoxy emulsion, 0.20 to 0.60 percent of lubricant, 0.10 to 0.40 percent of coupling agent, 0.10 to 0.30 percent of pH modifier, 0.10 to 0.35 percent of antistatic agent, 0.10 to 0.45 percent of viscosity modifier and the balance of water. According to the invention, by using the viscosity modifier such as low viscosity esterified starch or hydroxypropyl cellulose, the lubricant has proper viscosity, and thus, the impregnating compound migration phenomenon generated in the wire-drawing and baking process of glass fibers can be effectively improved and guarantee of quality stability of a glass fiber product is improved. Compared with an impregnating compound adopted by a conventional method, the impregnating compound disclosed by the invention has the advantages that impregnating compound migration can be reduced; oil-bearing stability and quality stability of the glass fiber product are promoted; meanwhile, the raw yarn removal quantity can be reduced; the raw yarn utilization rate is improved; production cost is reduced.
Description
Technical field
The invention belongs to glass fiber infiltration agent technical field, specifically, relate to a kind of glass fiber infiltration agent reducing mobility.
Background technology
Glass fibre is a kind of ceramic of excellent performance; usually used as the strongthener in matrix material, electrically insulating material, heat-insulating material, circuit substrate etc., the national economy every field such as defence and military, communications and transportation, building materials, environment protection, electric, chemical metallurgy, amusement and leisure are widely used in.
In the production and application process of glass fibre and goods thereof, need to apply a kind of organic-compound system (can be solution, milk sap, thixotropic colloid or lotion) at fiberglass surfacing, be referred to as glass fiber infiltration agent.In continuous glass fibre pulling process; treating compound plays irreplaceable keying action; effectively can change fiberglass surfacing character and some defect; glass fibre is made to obtain the consistency good with substrate resin; when wire drawing and winding, monofilament is bonded to precursor to reduce filoselle, fracture of wire; fiber is protected in subsequent processing operations; prevent from producing lousiness because of mechanical wear; give the good processing characteristics of glass fibre and processability simultaneously, glass fibre and goods thereof are more widely used.
Due to the effect for the treatment of compound and performance various, its component is also quite complicated.Generally speaking, treating compound is aqueous dispersion, forms primarily of membrane-forming agent, lubricant, static inhibitor and coupling agent.In addition, also the ancillary components such as wetting agent, pH adjusting agent, thickening material, sanitas, softening agent, linking agent, defoamer, pigment may be used in some treating compound formula.
In glass fiber wire-drawing coating procedure and treating compound drying course, there will be treating compound in the middle part of spinning cake to the transport phenomena of ectonexine with moisture content movement, cause spinning cake internal layer, middle level, outer different positions size content different, cause precursor oil length fluctuated, after drying there is yellowing phenomenon in cake outside surface, not only improve precursor consumption silk rate, increase production cost, and greatly reduce the quality of glass fibre.
Summary of the invention
For solving the technical problem that production cost increases and glass fiber quality reduces that above-mentioned treating compound transport phenomena causes, the object of the present invention is to provide a kind of glass fiber infiltration agent reducing mobility, use this treating compound except reducing except filoplume amount, the more important thing is and can reduce precursor oil length wave phenomenon fluctuated, improve fiberglass products containing oil-proofness and quality stability, can production cost be reduced simultaneously, be conducive to the economic benefit improving product.
To achieve these goals, the present invention is by the following technical solutions:
A kind of glass fiber infiltration agent reducing mobility, be made up of the material of following mass percent: the polyester emulsion of 1.5 ~ 4.5%, the epoxy emulsion of 1.0 ~ 3.5%, the lubricant of 0.20 ~ 0.60%, the coupling agent of 0.10 ~ 0.40%, the pH adjusting agent of 0.10 ~ 0.30%, the static inhibitor of 0.10 ~ 0.35%, the viscosity modifier of 0.10 ~ 0.45%, surplus is water.
In the present invention, treating compound solid content general control is 3.0 ~ 9.0%, and best use temperature controls at 22 ~ 28 DEG C, and prepared glass fibre oil length is about 0.8 ~ 1.2%.
In the present invention, if material adds with the form of emulsion or solution, then the per-cent that its content accounts for treating compound solid masses with its solid masses represents.
In the glass fiber infiltration agent of above-mentioned reduction mobility, described viscosity modifier is low sticky esterification starch or hydroxylated cellulose.Described low sticky esterification starch first need add water and be heated to 90 ~ 100 DEG C, and insulation 20 ~ 30min obtains starch fluid, uses after being cooled to 60 ~ 70 DEG C.The present invention is by using low sticky esterification starch or hydroxylated cellulose class as viscosity modifier, for regulating sizing system to suitable viscosity, to reduce treating compound at wire drawing and the transport phenomena smoked in process, improve product quality stability guarantee, its consumption accounts for 0.1 ~ 3.0% for the treatment of compound solid matter mass, and preferably 0.5 ~ 2.0%.
In the glass fiber infiltration agent of above-mentioned reduction mobility, described polyester emulsion is the adjacent benzene-type polyester emulsion that degree of unsaturation is less; Described epoxy emulsion is bisphenol A type epoxy resin emulsion.The adjacent benzene-type polyester emulsion that the present invention adopts degree of unsaturation less and bisphenol A type epoxy resin emulsion two kinds of materials form membrane-forming agent jointly, treating compound is made to have good convergency, and make glass fibre acquisition have good consistency and interfacial chemistry bonding properties with substrate resin, its percentage composition is 50.0 ~ 90.0%, preferably 70.0 ~ 80.0%.
In the glass fiber infiltration agent of above-mentioned reduction mobility, described lubricant is polyoxyethylene glycol.The present invention, by using ethylene oxide amine lubricant polyoxyethylene glycol, makes glass fibre reach preferably oilness, and reduce filoplume amount, its mass percent is 1.5% ~ 10.0%, and preferably 2.0 ~ 6.0%.
In the glass fiber infiltration agent of above-mentioned reduction mobility, described coupling agent is silane coupling agent, is jointly made up of A-187 and A-174 two kinds.The present invention adopts silane coupling agent as the coupling agent composition for the treatment of compound, by the two kinds of differential responses character of itself, glass fibre is combined with high molecular polymers such as resins, play and realize the function served as bridge that between inorganics and organism, good interface combines, its percentage composition is generally 1.0 ~ 10.0%, and preferably 1.5 ~ 5.0%.
In the glass fiber infiltration agent of above-mentioned reduction mobility, described pH adjusting agent is acetic acid.The present invention adopts acetic acid or lemon acids weak acid as pH adjusting agent, provide silane coupling agent be hydrolyzed needed for sour environment, its mass percent is 0.5 ~ 4.0%, preferably 1.0 ~ 3.5%.
In the glass fiber infiltration agent of above-mentioned reduction mobility, described static inhibitor is quaternary ammonium salt organic antistatic agents, and described quaternary ammonium salt organic antistatic agents is distearyl dimethyl ammonium chloride.Described distearyl dimethyl ammonium chloride need be placed in the water stirring and dissolving of 55 ~ 75 DEG C.The present invention adopts quaternary ammonium salt organic antistatic agents to eliminate in use procedure because of friction at the electrostatic that glass surface produces, the adhesion blade phenomenon avoiding electrostatic to cause, guarantee that use is smooth and easy, ensure normally carrying out of production, improve the cutting of glass fibre simultaneously.Static inhibitor consumption generally accounts for 1.0 ~ 8.0% for the treatment of compound solid masses, and preferably 1.5 ~ 5.5%.
Treating compound of the present invention is applicable to shortly cut the kinds of processes such as felt, winding, pultrusion, for strengthening the thermosetting resin such as urethane resin or unsaturated polyester resin glass fibre, significantly can improve the transport phenomena for the treatment of compound, the wave phenomenon that effective solution precursor oil length is fluctuated, reduce spinning cake outer ring or yarn group end face jaundice problem, the quality stability improving fiberglass products ensures.In addition, with the glass fiber yarn that this treating compound is produced, also there is the few advantage of filoplume amount.
Compared with prior art, the present invention has following beneficial effect: the present invention is by using appropriate low sticky esterification starch or hydroxylated cellulose class viscosity modifier, treating compound is made to have suitable viscosity, effective glass fibre that improves is in wire drawing and smoke the treating compound transport phenomena occurred in process, and the quality stability improving fiberglass products ensures.In addition, compared with traditional method, treating compound of the present invention can reduce precursor removal amount, improves precursor utilization ratio, reduces production cost.
Embodiment
In order to more fully understand technology contents of the present invention, below in conjunction with specific embodiment, technical scheme of the present invention is described further and is illustrated, but protection scope of the present invention being not limited thereto:
In the embodiment of the present invention, polyester emulsion is 954D, purchased from DSM N. V.; Epoxy emulsion is 961, purchased from DSM N. V.; Lubricant is polyoxyethylene glycol emulsion; Coupling agent is A-187 and A-174 silane coupling agent, purchased from Momentive company; Static inhibitor is long chain type quaternary ammonium salt organic antistatic agents 264A, available from BASF; Viscosity modifier is low sticky esterification starch, and contain science and technology (Beijing) company limited by Divine Land richness and produce, model is 1035; Hydroxylated cellulose class is METHOCELA4M, purchased from Dow company.
Each embodiment is specifically filled a prescription as table 1 (treating compound solid content is 6.0%, and each embodiment is made up of each component of following mass percent):
Table 1
| Component | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Polyester emulsion | 2.900％ | 2.809％ | 2.809％ | 2.721％ | 2.721％ |
| Epoxy emulsion | 1.871％ | 1.812％ | 1.812％ | 1.755％ | 1.755％ |
| Polyoxyethylene glycol (lubricant) | 0.492％ | 0.474％ | 0.474％ | 0.462％ | 0.462％ |
| A-187 | 0.102％ | 0.098％ | 0.098％ | 0.096％ | 0.096％ |
| A-174 | 0.204％ | 0.196％ | 0.196％ | 0.192％ | 0.192％ |
| Acetic acid | 0.122％ | 0.118％ | 0.118％ | 0.115％ | 0.115％ |
| Static inhibitor | 0.306％ | 0.294％ | 0.294％ | 0.288％ | 0.288％ |
| 1035 starch | 0.000％ | 0.000％ | 0.198％ | 0.000％ | 0.371％ |
| METHOCEL A4M | 0.000％ | 0.198％ | 0.000％ | 0.371％ | 0.000％ |
Each embodiment test result is as table 2:
Table 2
| Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Breaking tenacity (N/tex) | 0.47 | 0.45 | 0.53 | 0.46 | 0.55 |
| Oil length (%) | 0.84 | 0.92 | 0.97 | 0.96 | 0.98 |
| Migration before dry | Y | N | N | N | N |
| Migration after dry | Y | Y | N | N | N |
| Mobility | 2.50 | 2.00 | 1.40 | 1.70 | 1.20 |
| Filoplume rate (mg/kg) | 31.44 | 27.35 | 11.46 | 24.43 | 9.89 |
Above test data is tested by general glass fiber product testing method.Wherein, breaking tenacity is tested with reference to GB ISO3341 method; Oil length is tested according to GB ISO1887 method; The ratio that treating compound mobility rolls into a ball inside and outside circle oil length and centre circle oil length with sand represents, test out respectively interior, in, outer ring oil length, obtain by calculating; Filoplume rate presses the filoplume amount calculating that 1kg glass fibre yarn produces.
According to above test data, after adding low sticky esterification starch or hydroxylated cellulose class viscosity modifier in the present invention, precursor oil length improves, and treating compound mobility significantly reduces, and filoplume rate also reduces simultaneously.Compared with hydroxylated cellulose class METHOCELA4M, low sticky esterification starch 1035 can better reduce treating compound mobility, has better effect.
The embodiment of the present invention is according to the action character of viscosity modifier, by selecting suitable viscosity modifier significantly to improve the mobility for the treatment of compound, reduce the filoplume rate of fiberglass products, reduce the fluctuation of precursor oil length, improve glass fiber product quality stability, precursor removal amount can be reduced simultaneously, improve precursor utilization ratio, reduce production cost.
Claims (10)
1. one kind is reduced the glass fiber infiltration agent of mobility, it is characterized in that, be made up of the material of following mass percent: the polyester emulsion of 1.5 ~ 4.5%, the epoxy emulsion of 1.0 ~ 3.5%, the lubricant of 0.20 ~ 0.60%, the coupling agent of 0.10 ~ 0.40%, the pH adjusting agent of 0.10 ~ 0.30%, the static inhibitor of 0.10 ~ 0.35%, the viscosity modifier of 0.10 ~ 0.45%, surplus is water.
2. the glass fiber infiltration agent of reduction mobility according to claim 1, is characterized in that: described viscosity modifier is low sticky esterification starch or hydroxylated cellulose.
3. the glass fiber infiltration agent of reduction mobility according to claim 2, is characterized in that: described low sticky esterification starch first need add water and be heated to 90 ~ 100 DEG C, and insulation 20 ~ 30min obtains starch fluid, uses after being cooled to 60 ~ 70 DEG C.
4. the glass fiber infiltration agent of reduction mobility according to claim 1, is characterized in that: described polyester emulsion is the adjacent benzene-type polyester emulsion that degree of unsaturation is less; Described epoxy emulsion is bisphenol A type epoxy resin emulsion.
5. the glass fiber infiltration agent of reduction mobility according to claim 1, is characterized in that: described lubricant is polyoxyethylene glycol.
6. the glass fiber infiltration agent of reduction mobility according to claim 1, is characterized in that: described coupling agent is silane coupling agent, is jointly made up of A-187 and A-174 two kinds.
7. the glass fiber infiltration agent of reduction mobility according to claim 1, is characterized in that: described pH adjusting agent is acetic acid.
8. the glass fiber infiltration agent of reduction mobility according to claim 1, is characterized in that: described static inhibitor is quaternary ammonium salt organic antistatic agents.
9. the glass fiber infiltration agent of reduction mobility according to claim 8, is characterized in that: described quaternary ammonium salt organic antistatic agents is distearyl dimethyl ammonium chloride.
10. the glass fiber infiltration agent of reduction mobility according to claim 9, is characterized in that: described distearyl dimethyl ammonium chloride need be placed in the water stirring and dissolving of 55 ~ 75 DEG C.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106186732A (en) * | 2016-07-29 | 2016-12-07 | 安徽丹凤集团桐城玻璃纤维有限公司 | A kind of novel glass fiber wetting agent and preparation method thereof |
| CN106220003A (en) * | 2016-07-29 | 2016-12-14 | 安徽丹凤集团桐城玻璃纤维有限公司 | A kind of glass-fiber reinforced wetting agent |
| CN107417137A (en) * | 2016-07-05 | 2017-12-01 | 旌德县源远新材料有限公司 | A kind of glass fiber yarn of high intensity and its preparation method and application |
| CN110342836A (en) * | 2019-07-29 | 2019-10-18 | 泰山玻璃纤维邹城有限公司 | Enhance rubber glass fiber infiltration agent and preparation method thereof |
| CN113150388A (en) * | 2021-04-23 | 2021-07-23 | 江西宏柏新材料股份有限公司 | Method for modifying glass fiber by using cyano silane coupling agent and application of modified glass fiber |
| CN113754319A (en) * | 2021-09-27 | 2021-12-07 | 济南大学 | Chemical strengthening method of silicate glass fiber |
| CN113800786A (en) * | 2021-09-28 | 2021-12-17 | 济南大学 | Chemical strengthening method for medium-high aluminosilicate glass fiber |
| CN114835410A (en) * | 2022-05-31 | 2022-08-02 | 西安交通大学 | Method for screening and drying process through dye visualization glass fiber impregnating agent migration degree |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107417137A (en) * | 2016-07-05 | 2017-12-01 | 旌德县源远新材料有限公司 | A kind of glass fiber yarn of high intensity and its preparation method and application |
| CN106186732A (en) * | 2016-07-29 | 2016-12-07 | 安徽丹凤集团桐城玻璃纤维有限公司 | A kind of novel glass fiber wetting agent and preparation method thereof |
| CN106220003A (en) * | 2016-07-29 | 2016-12-14 | 安徽丹凤集团桐城玻璃纤维有限公司 | A kind of glass-fiber reinforced wetting agent |
| CN110342836A (en) * | 2019-07-29 | 2019-10-18 | 泰山玻璃纤维邹城有限公司 | Enhance rubber glass fiber infiltration agent and preparation method thereof |
| CN113150388A (en) * | 2021-04-23 | 2021-07-23 | 江西宏柏新材料股份有限公司 | Method for modifying glass fiber by using cyano silane coupling agent and application of modified glass fiber |
| CN113754319A (en) * | 2021-09-27 | 2021-12-07 | 济南大学 | Chemical strengthening method of silicate glass fiber |
| CN113800786A (en) * | 2021-09-28 | 2021-12-17 | 济南大学 | Chemical strengthening method for medium-high aluminosilicate glass fiber |
| CN114835410A (en) * | 2022-05-31 | 2022-08-02 | 西安交通大学 | Method for screening and drying process through dye visualization glass fiber impregnating agent migration degree |
| CN114835410B (en) * | 2022-05-31 | 2023-02-28 | 西安交通大学 | Method for screening and drying process through dye visualization glass fiber impregnating agent migration degree |
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Application publication date: 20160127 |