Claims
- 1. Glass fiber strands having a plurality of glass fibers, where the glass fibers have at least a portion of their surfaces covered with the dried residue of an aqueous treating composition consisting essentially of:
- a. one or more bisphenol A polyesters where the film forming polymer is water soluble, dispersible or emulsifiable,
- b. organo coupling agent selected from the group consisting of acryloxy-containing, and methacryloxy-containing coupling agents, in an effective coupling agent amount,
- c. polyamino amide cationic fiber lubricant made with pelargonic acid where the lubricant is present in an amount in the range of about 0.05 to about 0.5 weight percent of the aqueous treating composition,
- d. an antistatic agent that is a cationic organic quaternary ammonium salt having alkoxy moieties and having an acid number of at least around 10 present in an amount of about 0.05 to about 0.4 weight percent of the aqueous treating composition,
- e. strand hardening agent in an amount from 0.1 to 0.5 weight percent, and
- f. water in an amount to give a total solids of the aqueous chemical treating composition in the range of about 1 to about 30 weight percent and wherein the aqueous chemical treating composition is essentially free of inorganic antistatic agents and where the pH of the aqueous treating composition is less than around 7.
- 2. Glass fiber strands of claim 1, wherein the glass has a refractive index in the range of 1.54 to 1.57.
- 3. Glass fiber strands of claim 1, wherein the bisphenol polyester resin is internally emulsified with ethoxylation.
- 4. Glass fiber strands of claim 1, wherein the bisphenol A polyester film forming polymer is that having the NMR curve of FIG. 2.
- 5. Glass fiber strands of claim 1, wherein the organo coupling agent is selected from the group consisting of acryloxyalkyl alkoxysilane and methacryloxyalkylalkoxysilane and hydrolysis products thereof.
- 6. Glass fiber strands of claim 1, wherein the organo coupling agent is gamma-methacryloxypropyl trimethoxy silane and hydrolysis products thereof having one or more methoxy groups hydrolyzed to hydroxyl groups where the organosilane coupling agent is present in an amount of about 0.1 to about 1 weight percent of the aqueous treating composition.
- 7. Glass fiber strands of claim 1, wherein the cationic organic alkoxylated quaternary ammonium salt antistatic agent has the infrared spectraphotometric curve of FIG. 3, and the NMR curve of FIG. 1 and has an acid number in the range of around 10 to around 20.
- 8. Glass fiber strands of claim 1, wherein the cationic organic alkoxylated quaternary ammonium salt antistatic agent has the formula: ##STR7## wherein one or more moieties of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 can be the same or different alkoxy moieties with or without methylene groups and with a terminal alcoholic group represented by the formula: ##STR8## wherein R' is a methylene group (CH.sub.2) and n is an integer from 0 to 10; and wherein R" is an ethylene group or propylene group or mixture thereof and b is an integer from 1 to 10; and wherein R"' is hydrogen or a lower alkyl group having one to ten carbon atoms, and when less than four of the groups R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are alkoxy groups, the remaining non-alkoxy groups R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are alkyl groups having 1 to 30 carbon atoms, and
- X.sub.- is selected from the group consisting of: organic or inorganic anions including halides ion.
- 9. Glass fiber strands of claim 1, wherein the cationic organic alkoxylated quaternary ammonium salt antistatic agent has the formula: ##STR9## wherein: R.sub.5 is the same alkoxy moiety represented by the formula: ##STR10## where R' is methylene (CH.sub.2) and n is aan integer of 1 to 5, and where R" is ethylene and b is an integer from 2 to 8, and
- where R"' is hydrogen or a methyl group, and
- wherein y is an integer of 3 or 4, and
- wherein when y=3 then Z=1 and when y=4 then Z=0, and
- wherein R.sub.6 is a long chain alkyl having 6 to 25 carbon atoms, and
- wherein X.sup.- is Cl.sup.- or Br.sup.-.
- 10. Glass fiber strands of claim 9, wherein the amount of the organic antistat is in the range of about 0.05 to about 0.15 weight percent of the aqueous chemical treating composition.
- 11. Glass fiber strands of claim 1, wherein the strand hardening agent is melamine formaldehyde resin.
- 12. Glass fiber strands of claim 11, wherein the amount of the melamine formaldehyde resin hardening agent is at least 0.1 to 0.5 weight percent of the aqueous chemical treating composition.
- 13. Glass fibers of claim 1, wherein the glass fibers have a glass composition comprising:
- silica dioxide, 55.8 to 55.9 weight percent; calcium oxide, 21 weight percent; aluminum oxide, 14.8 weight percent; boric oxide, 5.2 weight percent; sodium oxide, 1.4 weight percent; and fluorine 0.5 to 0.6 weight percent.
- 14. Glass fibers of claim 13, wherein the glass composition of the glass fibers further comprises 0.3 weight percent magnesium oxide.
- 15. Glass fiber strands having a plurality of glass fibers, consisting essentially of:
- a. glass fibers having a refractive indexin the range of about 1.54 to about 1.57,
- b. dried reidue of an aqueous chemical treating composition present on at least a portion of the surfaces of the glass fibers, comprising:
- 1. an aqueous emulsion or dispersion of a bisphenol A polyester film forming polymer having the NMR curve of FIG. 2 and having internal emulsifiication through ethoxylation and having a weight average molecular weight in the range of about 30,000 to 45,000 and having a polydispersity index of around 1.12 and a Mz/Mv of around 1.08 constituting the major portion of the slids of the aqueous chemical treating composition.
- 2. organo coupling agent selected from the group consisting of acryloxy-containing and methacryloxy-containing coupling agents present in an amount in the range of about 0.1 to about 10 weight percent of the aqueous chemical treating composition,
- 3. polyamino amide cationic lubricant which is a partiallyamidated polyalkylene amine prepared through condensation with fatty acids, where at least one of the fatty acids is pelargonic acid present in an amount in the range of about 0.05 to about 0.5 weight percent of the aqueous chemical treating composition,
- 4. an antistatic agent that is cationic quaternary ammonium salt having alkoxy moieties and having an acid number of at least 10 and present in an amount in the range of about 0.05 to about 0.4 weight percent of the aqueous treating composition,
- 5. strand hardening agent in an amount from 0.1 to 0.5 weight percent, and
- 6. water in an amount to give a total solids of the aqueous chemical treating composition in the range of about 1 to about 20 weight percent, and wherein the aqueous chemical treating composition is essentially free of inorganic antistatic agents, and where the pH of the aqueous chemical treating composition is less than around 7.
- 16. Glass fibers of claim 15, wherein the dried residue of the aqueous chemical treating composition contains a strand hardening agent that is melamine formaldehyde resin present in an amount of at least around 0.1 to 0.5 weight percent of the aqueous chemical treating composition.
- 17. Glass fiber strands of claim 1, wherein the bisphenol A polyester is the sole film-forming polymer.
- 18. Glass fiber strands of claim 1, wherein the amount of the film forming polymer is in the range of about 1 to about 20 weight percent of the solids of the aqueous treating composition.
Parent Case Info
This application is a continuation of application Ser. No. 748,389, filed June 25, 1985, which was a continuation-in-part of U.S. Ser. No. 683,740, filed Dec. 19, 1984, both now abandoned.
US Referenced Citations (14)
Foreign Referenced Citations (3)
Number |
Date |
Country |
850726 |
Sep 1970 |
CAX |
55-126552 |
Jun 1980 |
JPX |
2077275 |
Dec 1981 |
GBX |
Non-Patent Literature Citations (2)
Entry |
Neoxil LC 98710 Technical Leaflet from Savid Chemical Company, pp. 37-40. |
Technical Leaflet from Savid Chemical Co., Como, Italy, pp. 14-22. |
Continuations (1)
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Number |
Date |
Country |
Parent |
748389 |
Jun 1985 |
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Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
683740 |
Dec 1984 |
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