CN106637990A - Impregnation formula and preparation method - Google Patents
Impregnation formula and preparation method Download PDFInfo
- Publication number
- CN106637990A CN106637990A CN201610443803.3A CN201610443803A CN106637990A CN 106637990 A CN106637990 A CN 106637990A CN 201610443803 A CN201610443803 A CN 201610443803A CN 106637990 A CN106637990 A CN 106637990A
- Authority
- CN
- China
- Prior art keywords
- formula
- retort
- soft water
- water
- concentration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
- C08G8/04—Condensation polymers of aldehydes or ketones with phenols only of aldehydes
- C08G8/08—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ
- C08G8/20—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with polyhydric phenols
- C08G8/22—Resorcinol
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/39—Aldehyde resins; Ketone resins; Polyacetals
- D06M15/41—Phenol-aldehyde or phenol-ketone resins
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Abstract
The invention discloses an impregnation formula, including a first bath formula and a second bath formula. The first bath formula comprises, by weight, 55 to 60 parts of caprolactam-blocked isocyanate with a concentration of 50%, 35 to 60 parts of RF resin liquid and 800 to 1000 parts of soft water, wherein a formula for the RF resin liquid comprises 42 to 52 parts of soft water, 1.0 to 1.2 parts of sodium hydroxide with a concentration of 5%, 1.3 to 2.0 parts of resorcinol solid and 2.5 to 3.0 parts of formaldehyde with a concentration of 37%. The impregnation formula provided by the invention is particularly applicable to high-temperature-resistant conveyor belts used for production and conveying materials with a temperature of 200 DEG C or above and has the characteristics that an impregnated layer has good high-temperature aging performance, the conveyer belt has long service life, etc.
Description
Technical field
The present invention relates to the technical field of industry fabric, more particularly to a kind of impregnation formula.
Background technology
Polyester industry textile adopts polyester industrial fiber as primary raw material, and polyester industrial fiber is with its high intensity, Gao Mo
The excellent properties such as amount, high temperature resistant have become the main raw material(s) of fabrics for industrial use, mechanical rubber good-rubber conveyer belt, biography
Dynamic band, framework material necessary to rubber hose, at present basic polyesterification.The fusing point of polyester material at 264 DEG C, with good
Good heat resistance, therefore polyester dipped canvas have generally substituted previous duck, the application of all kinds of high temperature-resistance conveyor belts
Its powerful advantage is shown in field.
The cinder in power plant, the sintering mineral aggregate of steel plant and slag, and cement plant, the high-temperature material of smeltery it is defeated
Send, in recent years, with environmental requirement raising and the raising of automaticity and conveying capacity, the further extension of fed distance,
Generally vehicle transport is substituted using conveyer belt, therefore in these occasions, High-temperature resistant rubber conveyor belt is to framework material-impregnation sail
The performance indications of cloth are put forward higher requirement：How rubber shoe latex layer is improved in the presence of long term high temperature material, the rubber of rubber shoe latex layer
Glue ageing-resistant performance.
Therefore, dipped canvas heat resistance is further improved, extends the service life of conveyer belt, be that solution at present is high heat-resisting
A conveyer belt problem in the urgent need to address, so as to further promote the development of cloth-reinforced rubber conveyer belt.
The current impregnation of high heat resistance conveyor belt canvas, generally using two-bath process gum dipping process, wherein first bath, using in oneself
The aqueous solution of acid amides blocked isocyanate and epoxy resin processes canvas, but used as the inactive surfaces of polyester are improved, the second bath is adopted
With phenolic resin and the aqueous impregnation fabric of VP latex, improve and the bonding force between canvas and rubber.Occurs resistance to height at present
The bad main cause of warm nature energy is the layer of polyurethane generated after first bath isocyanates self-polymeric reaction, after the vulcanization of rubber,
Under prolonged high temperature action, and the rubber accelerator remnants amines goods and materials reaction of amine, it is decomposed, so as to cause adhesive layer
Damage inactivation.
Therefore the resistance to elevated temperatures of this layer of adhesive layer must be improved, the bonding force of rubber shoe latex layer is improved.
The content of the invention
In order to overcome drawbacks described above, it is an object of the invention to provide a kind of impregnation formula for high temperature-resistance conveyor belt.
In order to overcome defect present in background technology, the technical solution adopted for the present invention to solve the technical problems to be：
A kind of impregnation formula, including first bath formula and the second bath formula, it is as follows according to weight portion：
Wherein, first bath formula includes herein below：
The 55-60 of caprolactam blocked isocyanate 50%
RF resin liquids 35-60
Soft water 800-1000
Wherein, the formula of RF resin liquids is：
In some embodiments, the second bath formula includes herein below：
1. the formula of RF resin liquids is：
2. the formula of RFL- dipping solutions is：
RF resin liquids 425-482
Soft water 90-100
The 420-460 of VP latex 40%.
In some embodiments, the solid weight ratio of RF resin liquids and latex L is final RFL- leachings between 1: 4-1: 6
The total solid content of glue is between 14%-25%.
A kind of preparation method of impregnation formula, the RF resin liquid production technologies in first bath formula are as follows：First, retort
Middle to be first put into soft water, water temperature is controlled at 20 DEG C +/- 1 DEG C；Second, NaOH is dissolved in soft water, it is configured to concentration 4-6%
The aqueous solution, render in retort, and be stirred mixing 5 minutes；3rd, by resorcinol solid dissolving in soft water,
It is configured to concentration 10%-20% solution；4th, resorcinol solution is rendered in retort, and stir more than 5 minutes；The
Five, formaldehyde and soft water are mixed, the formalin that concentration is 5-20% is configured to, formalin is slowly added to into retort
It is interior, persistently stirred；6th, retort is jacket water (J.W.) insulation, with cooling water cooling retort of the temperature less than 20 DEG C, control
Reaction temperature processed is 25 DEG C +/- 2 DEG C, and the reaction time is 6 hours；
Dipping solution production technology in first bath formula is：By formula regulation weight portion be put in blend tank soft water and
Caprolactam blocked isocyanate is stirred, then the RF resin liquids that end is reacted in retort are transplanted in blend tank, and
Persistently stir, transfer RF resin solutions were completed in 30 minutes；Blend tank adopts water cooling jacket heat-preservation, keeps in blend tank
Glue temperature is between 15-20 DEG C；
RF resin liquid production technologies in second bath formula are as follows：First, soft water is first put in retort, water temperature control exists
20℃+/-1℃；Second, soft water is dissolved with NaOH, it is configured to be rendered to after the sodium hydrate aqueous solution that concentration is 4-6%
In retort, and it is stirred mixing 5 minutes；3rd, by resorcinol solid dissolving in soft water, it is configured to concentration 10%-
20% resorcinol solution, resorcinol solution is rendered in retort, and is stirred more than 5 minutes；4th, by formaldehyde and
Soft water mixes, and is configured to the formalin that concentration is 5-20%, and formalin is slowly added in retort, and persistently stirs
Mix retort；5th, retort is jacket water (J.W.) insulation, with cooling water cooling retort of the temperature less than 20 DEG C, control reaction temperature
Spend for 25 DEG C +/- 2 DEG C, the reaction time is 6 hours；
The production technology of the RFL- dipping solutions in the second bath formula is as follows：By the weight portion of formula regulation, in blend tank
Soft water and VP latex are put into, then the RF resin liquids that end is reacted in retort are transplanted in blend tank, and persistently stirred, transferred
RF resin liquids were completed in 30 minutes；RF resin liquids adopt the transfer mode of fountain, blend tank to adopt water cooling jacket heat-preservation,
The glue temperature in blend tank is kept to be between 15-20 DEG C；From the beginning of the transfer of RF resins, after curing in 20 hours cement dipping machine is sent
Use.
In some embodiments, described mixing speed is 60 revs/min.
The advantages of the present invention are：A kind of impregnation formula that the present invention is provided, is particularly well-suited to production defeated
High temperature-resistance conveyor belt of the temperature of charge more than 200 degree is sent, the high temperature ageing performance with rubber shoe latex layer is good, the conveyer belt use longevity
The features such as ordering long.
Specific embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described by the embodiment of the present invention below,
Obviously, described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
Embodiment one：
The invention discloses a kind of impregnation formula, including first bath formula and the second bath formula, it is as follows according to weight portion：
Wherein, first bath formula includes herein below：Caprolactam blocked isocyanate 50%：55th, RF resin liquids：35、
Soft water：800, wherein, the formula of RF resin liquids is：Soft water：42nd, NaOH 5%：1.0th, resorcinol solid：1.3rd, formaldehyde
37%：2.5.
Second bath formula includes herein below：
1. the formula of RF resin liquids is：Soft water：420th, NaOH 5%：10th, resorcinol solid：15th, formaldehyde 37%：
20th, RF resin liquids：425,
2. the formula of RFL- dipping solutions is：RF resin liquids：425th, soft water：90th, VP latex 40%：420 .
Wherein, the solid weight ratio of RF resin liquids and latex L is that the total solid content of final RFL- dipping solutions exists between 1: 4
Between 14%.
Embodiment two：
The invention discloses a kind of impregnation formula, including first bath formula and the second bath formula, it is as follows according to weight portion：
Wherein, first bath formula includes herein below：Caprolactam blocked isocyanate 50%：55th, RF resin liquids：60、
Soft water：1000, wherein, the formula of RF resin liquids is：Soft water：52nd, NaOH 5%：1.2nd, resorcinol solid：2.0th, formaldehyde
37%：3.0.
Second bath formula includes herein below：
1. the formula of RF resin liquids is：Soft water：450th, NaOH 5%：12nd, resorcinol solid：20th, formaldehyde 37%：
30th, RF resin liquids：472,
2. the formula of RFL- dipping solutions is：RF resin liquids：482nd, soft water：100th, VP latex 40%：460.
Wherein, the solid weight ratio of RF resin liquids and latex L is that the total solid content of final RFL- dipping solutions exists between 1: 6
Between 25%.
Embodiment three：
The invention discloses a kind of impregnation formula, including first bath formula and the second bath formula, it is as follows according to weight portion：
Wherein, first bath formula includes herein below：Caprolactam blocked isocyanate 50%：55th, RF resin liquids：48、
Soft water：900, wherein, the formula of RF resin liquids is：Soft water：48th, NaOH 5%：1.1st, resorcinol solid：1.7th, formaldehyde
37%：2.7.
Second bath formula includes herein below：
1. the formula of RF resin liquids is：Soft water：435th, NaOH 5%：11st, resorcinol solid：17th, formaldehyde 37%：
25th, RF resin liquids：448,
2. the formula of RFL- dipping solutions is：RF resin liquids：448th, soft water：95th, VP latex 40%：440.
Wherein, the solid weight ratio of RF resin liquids and latex L is that the total solid content of final RFL- dipping solutions exists between 1: 5
Between 18%.
The invention also discloses a kind of preparation method of impregnation formula, the RF resin liquids production technology in first bath formula is such as
Under：First, soft water is first put in retort, water temperature is controlled at 20 DEG C +/- 1 DEG C；Second, NaOH is dissolved in soft water,
The aqueous solution of concentration 4-6% is configured to, is rendered in retort, and be stirred mixing 5 minutes；3rd, resorcinol is consolidated
Body is dissolved in soft water, is configured to concentration 10%-20% solution；4th, resorcinol solution is rendered in retort, and stir
Mix more than 5 minutes；5th, formaldehyde and soft water are mixed, the formalin that concentration is 5-20% is configured to, by formalin
It is slowly added in retort, is persistently stirred；6th, retort is jacket water (J.W.) insulation, with cooling of the temperature less than 20 DEG C
Water cooling retort, controlling reaction temperature is 25 DEG C +/- 2 DEG C, and the reaction time is 6 hours；
Dipping solution production technology in first bath formula is：By formula regulation weight portion be put in blend tank soft water and
Caprolactam blocked isocyanate is stirred, then the RF resin liquids that end is reacted in retort are transplanted in blend tank, and
Persistently stir, transfer RF resin solutions were completed in 30 minutes；Blend tank adopts water cooling jacket heat-preservation, keeps in blend tank
Glue temperature is between 15-20 DEG C；
RF resin liquid production technologies in second bath formula are as follows：First, soft water is first put in retort, water temperature control exists
20℃+/-1℃；Second, soft water is dissolved with NaOH, it is configured to be rendered to after the sodium hydrate aqueous solution that concentration is 4-6%
In retort, and it is stirred mixing 5 minutes；3rd, by resorcinol solid dissolving in soft water, it is configured to concentration 10%-
20% resorcinol solution, resorcinol solution is rendered in retort, and is stirred more than 5 minutes；4th, by formaldehyde and
Soft water mixes, and is configured to the formalin that concentration is 5-20%, and formalin is slowly added in retort, and persistently stirs
Mix retort；5th, retort is jacket water (J.W.) insulation, with cooling water cooling retort of the temperature less than 20 DEG C, control reaction temperature
Spend for 25 DEG C +/- 2 DEG C, the reaction time is 6 hours；
The production technology of the RFL- dipping solutions in the second bath formula is as follows：By the weight portion of formula regulation, in blend tank
Soft water and VP latex are put into, then the RF resin liquids that end is reacted in retort are transplanted in blend tank, and persistently stirred, transferred
RF resin liquids were completed in 30 minutes；RF resin liquids adopt the transfer mode of fountain, blend tank to adopt water cooling jacket heat-preservation,
The glue temperature in blend tank is kept to be between 15-20 DEG C；From the beginning of the transfer of RF resins, after curing in 20 hours cement dipping machine is sent
Use.It it is 60 revs/min as preferred, described mixing speed.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (5)
1. a kind of impregnation formula, it is characterised in that：It is as follows according to weight portion including first bath formula and the second bath formula：
Wherein, first bath formula includes herein below：
The 55-60 of caprolactam blocked isocyanate 50%
RF resin liquids 35-60
Soft water 800-1000
Wherein, the formula of RF resin liquids is：
2. a kind of impregnation formula according to claim 1, it is characterised in that：
Second bath formula includes herein below：
1. the formula of RF resin liquids is：
2. the formula of RFL- dipping solutions is：
RF resin liquids 425-482
Soft water 90-100
VP latex 40% 420-460.
3. a kind of impregnation formula according to claim 2, it is characterised in that：The solid weight ratio of RF resin liquids and latex L
For 1：4-1：Between 6, the total solid content of final RFL- dipping solutions is between 14%-25%.
4. a kind of preparation method of impregnation formula, it is characterised in that：RF resin liquid production technologies in first bath formula are as follows：The
One, soft water is first put in retort, water temperature is controlled at 20 DEG C +/- 1 DEG C；Second, NaOH is dissolved in soft water, it is configured to
The aqueous solution of concentration 4-6%, renders in retort, and is stirred mixing 5 minutes；3rd, by resorcinol solid dissolving
In soft water, concentration 10%-20% solution is configured to；4th, resorcinol solution is rendered in retort, and stir 5 points
It is more than clock；5th, formaldehyde and soft water are mixed, the formalin that concentration is 5-20% is configured to, formalin is slow
Add in retort, persistently stirred；6th, retort is jacket water (J.W.) insulation, with cooling water-cooled of the temperature less than 20 DEG C
But retort, controlling reaction temperature is 25 DEG C +/- 2 DEG C, and the reaction time is 6 hours；
Dipping solution production technology in first bath formula is：It is put in blend tank in soft water and oneself by the weight portion of formula regulation
Acid amides blocked isocyanate is stirred, then the RF resin liquids that end is reacted in retort are transplanted in blend tank, and continues
Stirring, transfer RF resin solutions were completed in 30 minutes；Blend tank adopts water cooling jacket heat-preservation, keeps the glue in blend tank
Temperature is between 15-20 DEG C；
RF resin liquid production technologies in second bath formula are as follows：First, soft water is first put in retort, water temperature is controlled at 20 DEG C
+/-1℃；Second, soft water is dissolved with NaOH, it is configured to render to reaction after the sodium hydrate aqueous solution that concentration is 4-6%
In tank, and it is stirred mixing 5 minutes；3rd, by resorcinol solid dissolving in soft water, it is configured to concentration 10%-20%
Resorcinol solution, resorcinol solution is rendered in retort, and stirred more than 5 minutes；4th, by formaldehyde and soft water
Mixing, is configured to the formalin that concentration is 5-20%, and formalin is slowly added in retort, and persistently stirs anti-
Answer tank；5th, retort is jacket water (J.W.) insulation, and with cooling water cooling retort of the temperature less than 20 DEG C, controlling reaction temperature is
25 DEG C +/- 2 DEG C, the reaction time is 6 hours；
The production technology of the RFL- dipping solutions in the second bath formula is as follows：By the weight portion of formula regulation, it is put in blend tank
Soft water and VP latex, then the RF resin liquids that end is reacted in retort are transplanted in blend tank, and persistently stir, transfer RF trees
Fat liquid was completed in 30 minutes；RF resin liquids adopt the transfer mode of fountain, blend tank to adopt water cooling jacket heat-preservation, keep
Glue temperature in blend tank is between 15-20 DEG C；From the beginning of the transfer of RF resins, cement dipping machine is sent to make after curing in 20 hours
With.
5. the preparation method of a kind of impregnation formula according to claim 4, it is characterised in that：Described mixing speed is 60
Rev/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610443803.3A CN106637990A (en) | 2016-06-20 | 2016-06-20 | Impregnation formula and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610443803.3A CN106637990A (en) | 2016-06-20 | 2016-06-20 | Impregnation formula and preparation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106637990A true CN106637990A (en) | 2017-05-10 |
Family
ID=58851559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610443803.3A Pending CN106637990A (en) | 2016-06-20 | 2016-06-20 | Impregnation formula and preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106637990A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109056330A (en) * | 2018-07-30 | 2018-12-21 | 江苏百利达股份有限公司 | A kind of high fluidity RF liquid and preparation method thereof |
| CN109295727A (en) * | 2018-07-30 | 2019-02-01 | 江苏百利达股份有限公司 | A kind of high stable RFL maceration extract and preparation method thereof |
| CN110066425A (en) * | 2019-03-20 | 2019-07-30 | 青岛中维新材料有限公司 | A kind of preparation method of impregnation aramid fiber short fibre vulcanizate |
-
2016
- 2016-06-20 CN CN201610443803.3A patent/CN106637990A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109056330A (en) * | 2018-07-30 | 2018-12-21 | 江苏百利达股份有限公司 | A kind of high fluidity RF liquid and preparation method thereof |
| CN109295727A (en) * | 2018-07-30 | 2019-02-01 | 江苏百利达股份有限公司 | A kind of high stable RFL maceration extract and preparation method thereof |
| CN110066425A (en) * | 2019-03-20 | 2019-07-30 | 青岛中维新材料有限公司 | A kind of preparation method of impregnation aramid fiber short fibre vulcanizate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102220699B (en) | Impregnation formula, impregnation production method and impregnation technology for high temperature resistant conveyer belt | |
| CN106637990A (en) | Impregnation formula and preparation method | |
| CN103819893B (en) | A kind of flame-retardant and anti-static interpenetrating(polymer)networks elastomerics and preparation method thereof | |
| CN101560366B (en) | Coating-type binder used for bounding nitrile butadiene rubber and metal framework and preparation method | |
| CN108996975B (en) | Sleeve grouting material for negative temperature type steel bar connection and preparation method thereof | |
| CN104862972A (en) | Gum dipping formula for improving adhesive force of aramid fiber gum dipping cotton rope and production method thereof | |
| CN104233823A (en) | Dipping solution for high-temperature-resistant industrial canvas and preparation method of dipping solution | |
| CN104562698A (en) | Preparation method of sizing agent of carbon fibers for reinforcement of thermoplastic resin | |
| CN106087430A (en) | A kind of impregnation formula | |
| CN104356926B (en) | Abrasion-proof water paint with high mechanical property for engineering machinery | |
| CN104313880B (en) | Heat-resistant dipping treatment liquid for polyester canvas and preparation method and application thereof | |
| CN105543510A (en) | Method for preparing rare earth chloride from mixed rare earth concentrate or monazite concentrate | |
| CN103790014B (en) | Dipping solution of high temperature-resistance conveyor belt and preparation method thereof | |
| CN105969298A (en) | Production process for acid silicone sealant | |
| CN102838561A (en) | Production method of rubber vulcanization accelerator NS (N-tertiary butyl-2-benzothiazole sulfenamide) | |
| CN110295414B (en) | Environment-friendly energy-saving latex yarn product and preparation method thereof | |
| CN107118418A (en) | A kind of recycling technique of waste and old fishing net | |
| CN105017564B (en) | A kind of method for improving zinc oxide sulfurate activity | |
| CN107400228B (en) | Equipment system for producing polyester polyol and working method thereof | |
| CN104310489B (en) | A kind of preparation method of iron oxide red without ammonium oxidation | |
| CN107956123A (en) | A kind of heat safe impregnation formula | |
| CN114197028B (en) | Continuous preparation method of calcium sulfate whisker | |
| CN101962523B (en) | Cobalt salt adhesive for adhering natural rubber and copper and zinc frameworks, and preparation method thereof | |
| CN108102430A (en) | A kind of preparation method of ultrafine active heavy calcium carbonate | |
| CN101967359B (en) | Cobalt salt adhesive for adhering natural rubbers and bare-steel frameworks and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170510 |