CN105694139A - Production method of flaky soft filler - Google Patents

Production method of flaky soft filler Download PDF

Info

Publication number
CN105694139A
CN105694139A CN201610086564.0A CN201610086564A CN105694139A CN 105694139 A CN105694139 A CN 105694139A CN 201610086564 A CN201610086564 A CN 201610086564A CN 105694139 A CN105694139 A CN 105694139A
Authority
CN
China
Prior art keywords
rubber
stirring
revs
production method
mixed
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
Application number
CN201610086564.0A
Other languages
Chinese (zh)
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANG PANJUN
Original Assignee
JIANG PANJUN
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JIANG PANJUN filed Critical JIANG PANJUN
Priority to CN201610086564.0A priority Critical patent/CN105694139A/en
Publication of CN105694139A publication Critical patent/CN105694139A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
    • B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0011—Combinations of extrusion moulding with other shaping operations combined with compression moulding
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
    • C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
    • C08L23/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L7/00—Compositions of natural rubber
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04—Polysiloxanes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Sealing Material Composition (AREA)
  • Gasket Seals (AREA)

Abstract

The invention relates to production methods of sealing materials, belongs to the technical field of manufacturing of shaft rod sealing materials for pumps, valves, reducers and the like with rotational movement, and discloses a production method of flaky soft filler.The production method includes the steps of firstly, adding rubber base material into a kneading machine, adding softener into the kneading machine, allowing the temperature of the kneading machine to rise to 150-180 DEG C, and stirring for 15-20 minutes; secondly, sequentially adding graphite, molybdenum disulfide and teflon powder of equal weight into a first dispersion kettle, then adding lipid thickener into the dispersion kettle, and stirring for 10-15 minutes; thirdly, sequentially adding the kneaded rubber base material and the stirred materials into a second dispersion kettle, and stirring for 5-10 minutes; fourthly, using an extruder to extrude the evenly-stirred materials into material strips, cutting off, and placing into flake pressing dies to produce the flaky soft filler.By the production method, the produced flaky soft filler is even in texture, basically consistent in overall friction coefficient and free of peak areas.

Description

The preparation method of lamellar soft packing
Technical field
The present invention relates to encapsulant preparation method, belong to the axostylus axostyle encapsulant manufacturing technology field having rotary motion for pump class, valve, decelerator etc.。
Background technology
The existing pump packing adopting sizing specification, is filled in the stuffing-box of pump more。Although this sealing means is relatively simple, a degree of effect can be played, but still there is a degree of friction between this type of packing and pump shaft, even if the packing that coefficient of friction is very little, its caloric value with axle contact position is also surprising, therefore generally requires cooperation cooling system cooperation。Bearing wear is also quite serious by life-time service simultaneously, and life-time service countershaft can manufacture into permanent injury。
Muddy packing------also referred to as: " pouring-in soft packing " by a new generation high-performance fiber be equipped with special oils and fats and lubrication, refining senior " packing " soft packing, arbitrary dimension, arbitrary shape, very easily install, just can direct injection by special High Pressure Gun, it is not necessary to as traditional packing, need precut, the packing box seal of any size can be suitable for。
When producing this soft packing, soft packing is likely because mix and blend is uneven or other reasons causes coefficient of friction entirety is inconsistent, bearing not only can not well be sealed by now this soft packing, also likely because somewhere frictional force is excessive, cause the abrasion of bearing, affect normal production work, bring unnecessary economic loss。
Summary of the invention
The technical problem to be solved in the present invention is, not enough for prior art, it is proposed to the preparation method of the lamellar soft packing that a kind of overall coefficient of friction is basically identical。
The present invention solves that the technical scheme that above-mentioned technical problem proposes is the preparation method proposing a kind of lamellar soft packing, specifically comprise the following steps that
(1) will be mixed between two by butadiene rubber, natural rubber, butyl rubber, silicone rubber or butadiene rubber, natural rubber, butyl rubber, silicone rubber are put in kneader by the rubber substrate that quarter mixes, softening agent is put into again to kneader, described kneader is warming up to 150～180 DEG C, stirs 15～20min；
(2) in the first Scattered Kettle, graphite, molybdenum bisuphide and polytetrafluorethylepowder powder three equal parts mixture are added successively, the one in phenolic resin, mineral oil resin, coumarone indene resin, rosin is added again in Scattered Kettle, with 800 revs/min of high-speed stirred, stir 10～15min；
(3) add the mixed rubber base material after step (1) is mediated successively to the second Scattered Kettle again and step (2) stirs mixed material, with 1000～1500 revs/min of stirrings, again with 400～800 revs/min of stirrings after stirring 5～10min, stir 5～10min；
(4) material stirred in step (3) is extruded into material bar by extruder, again material bar is blocked with 1 centimeter one section, rear material will be blocked, put in square compression mold, by pressurizeing, pressure removes redundance, makes desired lamellar soft packing；
Described softening agent is the one in chain type alkane oil, aromatic naphtha, naphthenic oil, vaseline, paraffin oil。
If still still having macroscopic material to roll into a ball after step (3) stirring, repeat stirring operation in step (3) 5～10 times, until mix homogeneously is without obvious macroscopic material group。
In step (3), first time stirring first stirs 5min with 1500 revs/min, then stirs 5min with 800 revs/min；If repeating stirring operation afterwards, then first stir 8min with 1200 revs/min, then stir 8min with 500 revs/min。
Step (1) if in select the rubber substrate that mixes between two then to stir 15min with 180 DEG C of temperature, if selecting the rubber substrate of quarter mixing then to stir 20min with 150 DEG C of temperature。
The present invention adopts technique scheme to provide the benefit that: adopt the mode of packet mixing, avoid because material being put into the situation generation causing stirring uneven in same stirring container, and take different modes to mix for different material characteristic, and process according to how many points of situations of selecting materials so that the lamellar soft packing material being finally made is evenly。
Detailed description of the invention
Embodiment
The preparation method step of a kind of lamellar soft packing of the present embodiment is as follows:
(1) will be mixed between two by butadiene rubber, natural rubber, butyl rubber, silicone rubber or butadiene rubber, natural rubber, butyl rubber, silicone rubber are put in kneader by the rubber substrate that quarter mixes, softening agent is put into again to kneader, kneader is warming up to 150～180 DEG C, stirs 15～20min。
If selecting the rubber substrate mixed between two then to stir 15min with 180 DEG C of temperature, if selecting the rubber substrate of quarter mixing then to stir 20min with 150 DEG C of temperature。
Different processing modes is taked, to promote that material enters a mixing, it is to avoid bring unnecessary problem when step (3) concentrates mixing for different mixed rubber base materials。
(2) in the first Scattered Kettle, graphite, molybdenum bisuphide and polytetrafluorethylepowder powder three equal parts mixture are added successively, the one in phenolic resin, mineral oil resin, coumarone indene resin, rosin is added again in Scattered Kettle, with 800 revs/min of high-speed stirred, stir 10～15min；。
This step, in order that being mixed in lipid adhesion agent by three kinds of equivalent powder shape mixture, facilitates next step concentration to mix, it is to avoid the powder mixture gathering put into because putting into a large amount of powder mixture to cause simultaneously does not dissipate so that mixed material stirring is uneven。
(3) add the mixed rubber base material after step (1) is mediated successively to the second Scattered Kettle again and step (2) stirs mixed material, with 1000～1500 revs/min of stirrings, again with 400～800 revs/min of stirrings after stirring 5～10min, stir 5～10min；
If still still having macroscopic material to roll into a ball after stirring, repeat stirring operation in step (3) 5～10 times, until mix homogeneously is without obvious macroscopic material group。
In step (3), stirring operation first stirs 5min with 1500 revs/min first, then stirs 5min with 800 revs/min；If repeating stirring operation afterwards, then first stir 8min with 1200 revs/min, then stir 8min with 500 revs/min。
First material entirety is mixed by significantly stirring, gradually that material stirring is uniform, stirring is coordinated with high low speed, simultaneously repeatedly to stir as guarantee, ensure that the material that finally will go into extruder is mix homogeneously, in order to avoid causing that the material bar overall friction difference of coefficients of extrusion is excessive because of mixed uneven。
(4) material stirred in step (3) is extruded into material bar by extruder, again material bar is blocked with 1 centimeter one section, rear material will be blocked, put in square compression mold, by pressurizeing, pressure removes redundance, makes desired low-friction coefficient lamellar soft packing。
Described softening agent is the one in chain type alkane oil, aromatic naphtha, naphthenic oil, vaseline, paraffin oil。
Material for preventing final molding is long and deformation, therefore 1 centimeter one is blocked, another benefit that also has of do so is exactly, when dosing this lamellar soft packing to the stuffing-box of pump, the mode that can take multiple-layer stacked carries out filler, because each layer filler material is close, therefore contact surface is prone to cooperate, can be considered unified entirety, and its material of lamellar soft packing in the present embodiment is adequately mixed, therefore the coefficient of friction of its each ingredient does not have too big-difference, substantially coincident, thus without occurring that the phenomenon that somewhere and the heating of bearing severe friction run out bearing occurs。
The present invention is not limited to above-described embodiment。All employings are equal to replaces the technical scheme formed, and all falls within the protection domain of application claims。

Claims (1)

1. the preparation method of a lamellar soft packing, it is characterised in that the method step is as follows:
(1) will be mixed between two by butadiene rubber, natural rubber, butyl rubber, silicone rubber or butadiene rubber, natural rubber, butyl rubber, silicone rubber are put in kneader by the rubber substrate that quarter mixes, softening agent is put into again to kneader, described kneader is warming up to 150～180 DEG C, stirs 15～20min；
(2) in the first Scattered Kettle, graphite, molybdenum bisuphide and polytetrafluorethylepowder powder three equal parts mixture are added successively, the one in phenolic resin, mineral oil resin, coumarone indene resin, rosin is added again in Scattered Kettle, with 800 revs/min of high-speed stirred, stir 10～15min；
(3) add the mixed rubber base material after step (1) is mediated successively to the second Scattered Kettle again and step (2) stirs mixed material, with 1000～1500 revs/min of stirrings, after stirring 5～10min, then with 400～800 revs/min of stirrings, stir 5～10min；
(4) material stirred in step (3) is extruded into material bar by extruder, then material bar is blocked with 1 centimeter one section, rear material will be blocked put in square compression mold, remove redundance by pressurizeing, make desired lamellar soft packing；
Described softening agent is paraffin oil。
CN201610086564.0A 2014-07-30 2014-07-30 Production method of flaky soft filler Pending CN105694139A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610086564.0A CN105694139A (en) 2014-07-30 2014-07-30 Production method of flaky soft filler

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610086564.0A CN105694139A (en) 2014-07-30 2014-07-30 Production method of flaky soft filler
CN201410368470.3A CN104177670B (en) 2014-07-30 2014-07-30 A kind of preparation method of sheet wadding

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201410368470.3A Division CN104177670B (en) 2014-07-30 2014-07-30 A kind of preparation method of sheet wadding

Publications (1)

Publication Number Publication Date
CN105694139A true CN105694139A (en) 2016-06-22

Family

ID=51959032

Family Applications (4)

Application Number Title Priority Date Filing Date
CN201610086561.7A Pending CN105602034A (en) 2014-07-30 2014-07-30 Preparation method for flaky soft filler with overall friction coefficient basically consistent
CN201610086529.9A Pending CN105602033A (en) 2014-07-30 2014-07-30 Preparation method for flaky soft filler used for shaft lever sealing
CN201610086564.0A Pending CN105694139A (en) 2014-07-30 2014-07-30 Production method of flaky soft filler
CN201410368470.3A Expired - Fee Related CN104177670B (en) 2014-07-30 2014-07-30 A kind of preparation method of sheet wadding

Family Applications Before (2)

Application Number Title Priority Date Filing Date
CN201610086561.7A Pending CN105602034A (en) 2014-07-30 2014-07-30 Preparation method for flaky soft filler with overall friction coefficient basically consistent
CN201610086529.9A Pending CN105602033A (en) 2014-07-30 2014-07-30 Preparation method for flaky soft filler used for shaft lever sealing

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201410368470.3A Expired - Fee Related CN104177670B (en) 2014-07-30 2014-07-30 A kind of preparation method of sheet wadding

Country Status (1)

Country Link
CN (4) CN105602034A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102433100A (en) * 2011-09-23 2012-05-02 浙江国泰密封材料股份有限公司 Layered shearing type sealing filler material used for rotary pump and preparation method thereof
CN102757607A (en) * 2012-07-27 2012-10-31 山东凯特工业技术有限公司 Fluorine-containing sealing wadding and preparation method thereof
CN102775957A (en) * 2011-05-13 2012-11-14 李学辉 Packing sealing filler and its preparation method
CN102796602A (en) * 2012-08-31 2012-11-28 浙江宝晟铁路新材料科技有限公司 Composite solid lubricating bar shell and preparation method thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100341972C (en) * 2005-06-10 2007-10-10 张志伟 Nano packing filling and method for making same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102775957A (en) * 2011-05-13 2012-11-14 李学辉 Packing sealing filler and its preparation method
CN102433100A (en) * 2011-09-23 2012-05-02 浙江国泰密封材料股份有限公司 Layered shearing type sealing filler material used for rotary pump and preparation method thereof
CN102757607A (en) * 2012-07-27 2012-10-31 山东凯特工业技术有限公司 Fluorine-containing sealing wadding and preparation method thereof
CN102796602A (en) * 2012-08-31 2012-11-28 浙江宝晟铁路新材料科技有限公司 Composite solid lubricating bar shell and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
胡黄卿: "《软填料密封常用材料及其选择》", 《机械研究与应用》 *

Also Published As

Publication number Publication date
CN104177670B (en) 2016-03-23
CN104177670A (en) 2014-12-03
CN105602033A (en) 2016-05-25
CN105602034A (en) 2016-05-25

Similar Documents

Publication Publication Date Title
CN103897295B (en) A kind of biomass PVC composite and preparation method thereof
CN103351559A (en) Tetrafluoroethylene-propylene rubber/silicone rubber/chloroprene rubber composite sealing pad and preparation method thereof
CN103351488B (en) Flexible sealing packing for pump, and manufacturing method thereof
CN105175879A (en) High elasticity EVA material and preparation method thereof
CN104098840B (en) Overweight functional master batch, plastic product based on master batch and method for preparing plastic product through rotary molding
CN105623813A (en) Pump coupling grease
CN102876044A (en) Magnetic metal power/silicone rubber heat conduction composite material and preparation method thereof
CN105968821A (en) Wear-resisting and low-temperature-resisting cable material
CN105670756A (en) Valve lubricating grease and preparation method thereof
CN105694139A (en) Production method of flaky soft filler
CN105713254A (en) Preparation method of soft flaky packing with basically consistent overall friction coefficients
CN105713255A (en) Preparation method of flake-shaped soft filler
CN105778178A (en) Preparation method for flaky soft packing used for shaft lever sealing
CN102295817A (en) Mixture of thermoplastic elastomer for secondary overmolding coating with polypropylene material and preparation method thereof
CN103342983B (en) White flexible sealing filler and preparation method thereof
KR100888495B1 (en) Method of manufacturing rubber for oil seal
CN107513263A (en) A kind of thermoplastic elastomer (TPE) gasket material and its production method
CN100376826C (en) Ground packing
CN107778676A (en) The preparation method of automobile tire rubber
CN104151750A (en) Auxiliary sealing element material for mechanical seal and preparation method thereof
CN106543511A (en) A kind of preparation method of modified glue powder and SEBS heat resistant type composites
CN111234442B (en) Wear-resistant ABS composite material and preparation method thereof
CN101891956B (en) Nano-attapulgite reinforced polyimide molding compound for oil sealing element and preparation method thereof
CN204701120U (en) A kind of double-screw structure for high packing material extruding pelletization
CN103980639A (en) Production technique of high-wear-resistance seal ring

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20160622