CN1763307B - Method for manufacturing antifouling batt-on-mesh press felt - Google Patents
Method for manufacturing antifouling batt-on-mesh press felt Download PDFInfo
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- CN1763307B CN1763307B CN 200410067278 CN200410067278A CN1763307B CN 1763307 B CN1763307 B CN 1763307B CN 200410067278 CN200410067278 CN 200410067278 CN 200410067278 A CN200410067278 A CN 200410067278A CN 1763307 B CN1763307 B CN 1763307B
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- batt
- antifouling
- felt
- press felt
- mesh press
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Abstract
The invention discloses a pollution-resisting web squeezing paper blanket making method, which is characterized by the following: forming paper-making blanket of weaved bottom web grey cloth through profiling and punching; impregnating the blanket through pollution-resisting agent within fluorine compounds and adhesive after cleaning; precompressing and baking the blanket to generate pollution-resisting web squeezing paper blanket, wherein the pollution-resisting agent formulation is the adhesive of polytef and melamine. The method contains obvious pollution-resisting effect, rational making method and easy operation, which reduces the disposal cost and improves the product added value greatly.
Description
Technical field
The present invention relates to the finishing technique of fabrics for industrial use in the textile industry, be meant a kind of manufacture method of antifouling Batt-on-mesh press felt.
Background technology
Paper-making process is the process of a continuous draining of paper making felt.Felt is used for the press section of paper machine, mainly by paper machine pressure roller l Water Paper page or leaf and woollen blanket is exerted pressure and gets rid of moisture in a certain amount of l Water Paper page or leaf.Owing to except the useful material of formation pages such as cellulose fibre, also contain resin, lignin etc. have adhesive attraction to felt material in the paper pulp.When the l Water Paper page or leaf passed through the nip of pressure roller formation with woollen blanket, these materials had the tendency that adheres to the woollen blanket fiber surface and stop up the woollen blanket hole.This phenomenon is in case generation though paper machine disposes the water under high pressure cleaning equipment, but still is difficult to this class sicker of flush away.Experience is told us, and felt is replaced down in the reason of machine, causes accounting for more than 80% of woollen blanket water filtering performance decline because impurity stops up woollen blanket.Thus, how improving the felt antifouling property, thereby effectively prolong its service life, is the significant challenge that the felt manufacturing technology is proposed.Along with the usage rate of secondary stock in the paper making raw material constantly rises, the impurity content in the paper pulp can be higher, composition is more complicated, and the work of development antifouling Batt-on-mesh press felt seems very urgent and has far reaching significance.At present, the felt overwhelming majority that foreign technology advanced country produces has stain resistance, can be applied to all kinds of high speed of a motor vehicle, high line pressure, on the paper machine of high recycled fiber ratio slurry.In U.S. Pat 5569358, narrate U.S. James RiverCorporation of Virginia company and developed the down felt of crossing with polymer treatment in 1994, this fabric uses the solution that contains water-dispersion type submicron order polytetrafluoroethylgranule granule to flood, and the back forms at air drying.Japanese Patent No. 11-200274 has reported the felt of Japanese Ichikawa Woolen Textile Co., Ltd. 1998 exploitation, has an anti-wear-resisting and anti-process technology of staiing felt with what modified nylon materials was made.At present, domestic also have research, Xuzhou Industrial Wood Fabric Mill adopts chemical treatment method, use fluorochemical surfactant, or siliceous epoxy coating carries out chemical treatment to the BOM felt, the polyester of this material and woollen blanket or nylon fiber produce bonding, reach the anti-contamination and the wear resistance that improve felt.
Summary of the invention
In order to overcome existing felt in the paper use,, adhere to shortcomings such as woollen blanket fiber surface and obstruction woollen blanket hole easily because of there being the material that woollen blanket is had adhesive attraction in the paper pulp.Patent of the present invention provides a kind of manufacture method of antifouling Batt-on-mesh press felt, can make felt have stain resistance preferably.
Patent of the present invention solves the technical scheme that its technical problem adopts: the manufacture method of antifouling Batt-on-mesh press felt adopts the existing technological process of production, being pooled capital by fibre single thread,--the warping quilling--is weaved--the grey cloth setting,--combing--cross lapping--is to the grey cloth pre-needling, after acupuncture, and------precompressed--bakes oven dry to pad anti-soil reagent in cleaning again by the synthetic fiber shredding.First by the grey cloth that is woven into spacer screen through setting, again by synthetic fiber shredding, combing, cross lapping with after pre-needling becomes, both are merged into felt, after acupuncture and cleaning, pad processing through containing the anti-soil reagent that polytetrafluoroethylene (PTFE) and melamine class adhesive form, again through precompressed with bake and be dried into antifouling Batt-on-mesh press felt.Described anti-soil agent prescription is polytetrafluoroethylene (PTFE) 40g/L-55g/L, melamine class adhesive 0.8g/L-1.2g/L, and all the other are water.Its production Technology parameter is pick-up 85-99%, baking temperature 170-190 ℃, bakes time 2-4min.Anti-soil reagent solid content in every square metre of antifouling Batt-on-mesh press felt is polytetrafluoroethylene (PTFE) 10-30g/m
2With melamine class adhesive 0.2-0.6g/m
2
The beneficial effect of patent of the present invention is: with the antifouling Batt-on-mesh press felt that manufacture method of the present invention is produced, its anti-soil effect is obvious, and technological operation is easy to control, and environment is not produced harm.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is technological process of production figure described in the utility model.
The specific embodiment
Three embodiment below are provided, are specifically described.
Embodiment 1
The felt specification:
47501 individual layer spacer screen woollen blankets.
Warp: φ 0.2mm nylon monofilament * 6 strands; Through close: 100/10cm.
Parallel: φ 0.2mm nylon monofilament * 4 strands; Filling density: 80/10cm.
Weavy grain: 1/3 brokentwlllweave.
Top layer staple fibre: 17dtex nylon, 400g/m
2。
Core backing layer staple fibre: 33dtex nylon, 100g/m
2
Needling density: 600/cm
2
Depth of needling: 11～12mm.
The technological process of production:
See shown in Figure 1.By monofilament plying,, weave with grey cloth and formalize through the warping quilling; Again by the synthetic fiber shredding, combing, cross lapping and pre-needling; Two merge after acupuncture is cleaned, and pad anti-soil reagent and precompressed, are finished product after baking oven dry.
Anti-soil agent prescription wherein:
Polytetrafluoroethylene (PTFE) 40g/L,
Melamine class adhesive 0.8g/L,
All the other are water.
The production Technology parameter:
Pick-up 90%,
175 ℃ of baking temperatures,
Bake time 2min,
Anti-soil reagent (solid content) in every square metre of antifouling Batt-on-mesh press felt: polytetrafluoroethylene (PTFE) 10g/m
2With melamine class adhesive 0.2g/m
2
Embodiment 2
The felt specification:
47501 individual layer spacer screen woollen blankets.
Warp: φ 0.2mm nylon monofilament * 6 strands; Through close: 100/10cm.
Parallel: φ 0.2mm nylon monofilament * 4 strands; Filling density: 80/10cm.
Weavy grain: 1/3 brokentwlllweave.
Top layer staple fibre: 17dtex nylon, 400g/m
2。
Core backing layer staple fibre: 33dtex nylon, 100g/m
2
Needling density: 600/cm
2
Depth of needling: 11～12mm.
The technological process of production:
See shown in Figure 1.By monofilament plying,, weave with grey cloth and formalize through the warping quilling; Again by the synthetic fiber shredding, combing, cross lapping and pre-needling; Two merge after acupuncture is cleaned, and pad anti-soil reagent and precompressed, are finished product after baking oven dry.
Anti-soil agent prescription wherein:
Polytetrafluoroethylene (PTFE) 55g/L,
Melamine class adhesive 1.2g/L,
All the other are water.
The production Technology parameter:
Pick-up 98%,
185 ℃ of baking temperatures,
Bake time 4min,
Anti-soil reagent (solid content) in every square metre of antifouling Batt-on-mesh press felt: polytetrafluoroethylene (PTFE) 30g/m
2With melamine class adhesive 0.6g/m
2
Embodiment 3
The felt specification:
47501 individual layer spacer screen woollen blankets.
Warp: φ 0.2mm nylon monofilament * 6 strands; Through close: 100/10cm.
Parallel: φ 0.2mm nylon monofilament * 4 strands; Filling density: 80/10cm.
Weavy grain: 1/3 brokentwlllweave.
Top layer staple fibre: 17dt ex nylon, 400g/m
2。
Core backing layer staple fibre: 33dtex nylon, 100g/m
2
Needling density: 600/cm
2
Depth of needling: 11～12mm.
The technological process of production:
See shown in Figure 1.By monofilament plying,, weave with grey cloth and formalize through the warping quilling; Again by the synthetic fiber shredding, combing, cross lapping and pre-needling; Two merge after acupuncture is cleaned, and pad anti-soil reagent and precompressed, are finished product after baking oven dry.
The anti-soil agent prescription:
Polytetrafluoroethylene (PTFE) 50g/L,
Melamine class adhesive 1g/L,
All the other are water.
The production Technology parameter:
Pick-up 96%,
180 ℃ of baking temperatures,
Bake time 3min,
Anti-soil reagent (solid content) in every square metre of antifouling Batt-on-mesh press felt: polytetrafluoroethylene (PTFE) 25g/m
2With melamine class adhesive 0.5g/m
2
Claims (3)
1. the manufacture method of an antifouling Batt-on-mesh press felt, being pooled capital by fibre single thread,--the warping quilling--is weaved--the grey cloth setting,--combing--cross lapping-by the synthetic fiber shredding again to the grey cloth pre-needling, after acupuncture--clean----precompressed--bakes oven dry to pad anti-soil reagent, it is characterized in that:
Earlier through setting, by after synthetic fiber shredding, combing, cross lapping and the pre-needling, both are merged into felt again by the grey cloth that is woven into spacer screen; Be merged into felt again through acupuncture and cleaning, pad processing, through precompressed with bake and become antifouling Batt-on-mesh press felt after drying through containing the anti-soil reagent that polytetrafluoroethylene (PTFE) and melamine class adhesive form.
2. the manufacture method of antifouling Batt-on-mesh press felt according to claim 1 is characterized in that:
The prescription of described anti-soil reagent is: polytetrafluoroethylene (PTFE) 40g/L-55g/L, and melamine class adhesive 0.8g/L-1.2g/L, all the other are water.
3. the manufacture method of antifouling Batt-on-mesh press felt according to claim 1 is characterized in that:
The described production Technology parameter of padding anti-soil reagent, precompressed and baking oven dry is: pick-up 85-99%, bakes time 2-4min by baking temperature 170-190 ℃; The solid content of the anti-soil reagent in the described antifouling Batt-on-mesh press felt is: polytetrafluoroethylene (PTFE) 10-30g/m
2, melamine class adhesive 0.2-0.6g/m
2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410067278 CN1763307B (en) | 2004-10-19 | 2004-10-19 | Method for manufacturing antifouling batt-on-mesh press felt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410067278 CN1763307B (en) | 2004-10-19 | 2004-10-19 | Method for manufacturing antifouling batt-on-mesh press felt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1763307A CN1763307A (en) | 2006-04-26 |
| CN1763307B true CN1763307B (en) | 2010-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410067278 Expired - Fee Related CN1763307B (en) | 2004-10-19 | 2004-10-19 | Method for manufacturing antifouling batt-on-mesh press felt |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100445456C (en) * | 2006-11-24 | 2008-12-24 | 上海弘纶工业用呢有限公司 | Sprinkling equipment for chemical treatment of fabric |
| CN103290716A (en) * | 2013-05-20 | 2013-09-11 | 安徽太平洋特种网业有限公司 | Process for manufacturing improved pulp net |
| CN115821571A (en) * | 2022-12-10 | 2023-03-21 | 江苏金呢工程织物股份有限公司 | Method for improving initial performance of papermaking felt |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB627594A (en) * | 1945-12-14 | 1949-08-11 | Orr Felt And Blanket Company | Felts for paper-making and like machines |
| US3214327A (en) * | 1963-04-16 | 1965-10-26 | Huyck Corp | Papermakers' felts and method for dewatering paper and similar webs |
| US5207873A (en) * | 1992-04-17 | 1993-05-04 | Huyck Corporation | Anti-contaminant treatment for papermaking fabrics |
| CN1193672A (en) * | 1997-02-25 | 1998-09-23 | 阿尔巴尼国际公司 | Functional coatings for paper machine clothings and method of coating same |
-
2004
- 2004-10-19 CN CN 200410067278 patent/CN1763307B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB627594A (en) * | 1945-12-14 | 1949-08-11 | Orr Felt And Blanket Company | Felts for paper-making and like machines |
| US3214327A (en) * | 1963-04-16 | 1965-10-26 | Huyck Corp | Papermakers' felts and method for dewatering paper and similar webs |
| US5207873A (en) * | 1992-04-17 | 1993-05-04 | Huyck Corporation | Anti-contaminant treatment for papermaking fabrics |
| CN1193672A (en) * | 1997-02-25 | 1998-09-23 | 阿尔巴尼国际公司 | Functional coatings for paper machine clothings and method of coating same |
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| Publication number | Publication date |
|---|---|
| CN1763307A (en) | 2006-04-26 |
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