CN102941675A - Manufacturing technology of foamed silicone rubber product - Google Patents
Manufacturing technology of foamed silicone rubber product Download PDFInfo
- Publication number
- CN102941675A CN102941675A CN201110231601XA CN201110231601A CN102941675A CN 102941675 A CN102941675 A CN 102941675A CN 201110231601X A CN201110231601X A CN 201110231601XA CN 201110231601 A CN201110231601 A CN 201110231601A CN 102941675 A CN102941675 A CN 102941675A
- Authority
- CN
- China
- Prior art keywords
- silicone rubber
- silicon rubber
- goods
- foamed silastic
- foaming
- 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.)
- Granted
Links
Landscapes
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of silicone rubber production and especially relates to a manufacturing technology of a foamed silicone rubber product. The manufacturing technology comprises the following steps of A, uniformly mixing a silicone rubber, a foaming agent and a vulcanizing agent, and molding the mixture by a screw extruder to obtain an unvulcanized silicone rubber, B, winding a guide rope with the unvulcanized silicone rubber, C, passing the guide rope with the unvulcanized silicone rubber through conduction oil so that the unvulcanized silicone rubber undergoes foaming and vulcanization reactions and is cured into a foamed silicone rubber product, and D, carrying out secondary vulcanization treatment on the foamed silicone rubber product to obtain a foamed silicone rubber finished product foamed fully and having excellent elasticity. The manufacturing technology has the advantages that 1, a continuous extrusion technology is adopted so that production efficiency is high and a product having infinite length is produced; 2, in foaming and vulcanization, a silicone rubber is immersed in conduction oil and does not contact with a towing belt so that towing belt imprints are avoided; and 3, a silicone rubber is immersed and suspends in conduction oil so that self-weight collapse and deformation are avoided.
Description
Technical field:
The present invention relates to silicon rubber production method technical field, the manufacture craft of refering in particular to the foamed silastic goods, especially complex-shaped, length requirement more than 10 meters special-shaped foamed silastic sebific duct or the production of adhesive tape.
Background technology:
At present, the production of existing foamed silastic goods has two kinds, and the firstth, the sulfuration of plate vulcanization machine die band foam, the secondth, hot-air with no pressure foaming sulfuration after the extruder for shaping.The first technique is subjected to the restriction of vulcanizing press and die size can only batch production, and the length of goods is restricted, and can not produce the goods of endless, and production efficiency is lower.The second technique can realize continous way production, but goods by sulfuration during drying tunnel, goods can produce the traction impression, affects outward appearance, and product size is when larger, deadweight makes the distortion of collapsing of goods pressure than conference, size fluctuation is large.
Summary of the invention:
Purpose of the present invention is exactly the deficiency that exists for prior art and a kind of manufacture craft of foamed silastic goods is provided, and this technique is extruded continous way, and the foamed silastic products appearance of producing do not have the traction impression, and goods can not pressed the distortion of collapsing yet.
To achieve these goals, the technical solution used in the present invention is: the manufacture craft of foamed silastic goods, and it may further comprise the steps:
A, silicon rubber, blowing agent, vulcanizing agent is mixing evenly, and by the screw extruder extrusion molding, make unvulcanized silicon rubber;
B, unvulcanized silicon rubber is wrapped on the conductor rope;
C, will twine not that the conductor rope of sulphurated siliastic at the uniform velocity passes from conduction oil, and make unvulcanized silicon rubber that foaming and vulcanization reaction occur, be solidified into the foamed silastic goods;
D, the foamed silastic goods are carried out post-cure process.
Conductor rope carries out the first cure processing to unvulcanized silicon rubber first before passing conduction oil among the step C, and the temperature that first cure is processed is the 230-280 degree, and the time is 10-30 second.
Twining not among the step C, the conductor rope of sulphurated siliastic at the uniform velocity passes from conduction oil by the traction of adjustable speed wrap-up.
Conduction oil is divided into the continuous oil bath foaming sulfur district of multistage among the step C, and every section oil bath foaming sulfur district arranges different temperature.
The length of every section oil bath foaming sulfur district is 1.5-2.5 rice.
Described oil bath foaming sulfur district has three sections at least, and the temperature of first paragraph oil bath foaming sulfur district is the 130-150 degree, and unvulcanized silicon rubber is 5-10 minute by the time; The temperature of second segment oil bath foaming sulfur district is the 140-150 degree, and unvulcanized silicon rubber is 5-10 minute by the time; The temperature of the 3rd section oil bath foaming sulfur district is the 150-160 degree, and unvulcanized silicon rubber is 5-10 minute by the time.
Described oil bath foaming sulfur district is six sections.
Silicon rubber described in the step C soaks and is suspended in the conduction oil.
The temperature that post-cure described in the step D is processed is the 180-200 degree, and the time is 2-4 hour.
Described conduction oil is arranged in the heat-conducting oil furnace.
Beneficial effect of the present invention is: the manufacture craft of foamed silastic goods provided by the invention, and it comprises step: A, silicon rubber, blowing agent, vulcanizing agent is mixing evenly, and by the screw extruder extrusion molding, make unvulcanized silicon rubber; B, unvulcanized silicon rubber is wrapped on the conductor rope; C, conductor rope is at the uniform velocity passed from conduction oil, make unvulcanized silicon rubber that foaming and vulcanization reaction occur, be solidified into resilient foamed silastic goods; D, the foamed silastic goods are carried out post-cure process, make the foamed silastic goods that the foamed silastic goods obtain foaming fully, elasticity is excellent, compare with the manufacture craft of traditional foamed silastic goods, the present invention has the following advantages:
1, this technique is extruded continous way, and production efficiency is high, can produce the goods of endless;
2, in foaming and the sulfidation, silicon rubber is immersed in the conduction oil, does not contact with traction, can not produce the traction impression;
3, silicon rubber is immersion and is suspended in the conduction oil, does not have the phenomenon of collapsing from weight, can not produce distortion;
4, silicon rubber is to be immersed in the conduction oil, and product is comprehensive to be heated simultaneously, and the cell size of product foaming is even, and inside and outside consistent;
5, heat-conductive-oil high-temperature long-time heating, thermal loss is little, the power and energy saving;
6, the heat-conductive-oil high-temperature heated volatile is few, and the greenhouse effects that bring to working environment are little more a lot of than hot-air mode.
The specific embodiment:
Embodiment 1
The manufacture craft of foamed silastic goods of the present invention, it may further comprise the steps:
One, silicon rubber, blowing agent, vulcanizing agent is mixing evenly, and by the screw extruder extrusion molding, make unvulcanized silicon rubber;
Two, approximately unvulcanized silicon rubber is wrapped on the conductor rope;
Three, front drying tunnel first cure is processed, and the temperature that first cure is processed is 230 degree, and the time is 10 seconds;
Four, will twining not, the conductor rope of sulphurated siliastic at the uniform velocity passes from heat-conducting oil furnace by the traction of adjustable speed wrap-up, the conduction oil that fills in the heat-conducting oil furnace, silicon rubber soaks and is suspended in the conduction oil, make unvulcanized silicon rubber that foaming and vulcanization reaction occur, be solidified into resilient foamed silastic goods, wherein, conduction oil is divided into six sections continuous oil bath foaming sulfur districts, the length of every section oil bath foaming sulfur district is 2 meters, and every section oil bath foaming sulfur district arranges different temperature; The temperature of first paragraph oil bath foaming sulfur district is 130 degree, and unvulcanized silicon rubber is 5 minutes by the time; The temperature of second segment oil bath foaming sulfur district is 140 degree, and unvulcanized silicon rubber is 5 minutes by the time; The temperature of the 3rd section oil bath foaming sulfur district is 150 degree, and unvulcanized silicon rubber is 5 minutes by the time;
Five, rolling or severing;
Six, the foamed silastic goods are carried out post-cure and process, the temperature that post-cure is processed is 180 degree, and the time is 2 hours, the foamed silastic goods of obtain foaming fully, elasticity is excellent;
Seven, packing.
The medium that the present invention selects conduction oil to conduct heat as heating, and according to the characteristics of the conduction oil of selecting, designed heat-conducting oil furnace high-temperature heating continuous vulcanizing device.Conduction oil of the present invention is used for the production of foamed silastic goods; Heat-conducting oil furnace continuous vulcanizing device of the present invention is used for the production of foamed silastic goods; Conduction oil of the present invention cooperates the heat-conducting oil furnace continuous vulcanizing device to make unvulcanized silicon rubber recur foaming and vulcanization reaction.
Embodiment 2
The manufacture craft of foamed silastic goods of the present invention, it may further comprise the steps:
One, silicon rubber, blowing agent, vulcanizing agent is mixing evenly, and by the screw extruder extrusion molding, make unvulcanized silicon rubber;
Two, the long unvulcanized silicon rubber of about 500mm is wrapped on the conductor rope;
Three, front drying tunnel first cure is processed, and the temperature that first cure is processed is 280 degree, and the time is 30 seconds;
Four, will twining not, the conductor rope of sulphurated siliastic at the uniform velocity passes from heat-conducting oil furnace by the traction of adjustable speed wrap-up, the conduction oil that fills in the heat-conducting oil furnace, silicon rubber soaks and is suspended in the conduction oil, make unvulcanized silicon rubber that foaming and vulcanization reaction occur, be solidified into resilient foamed silastic goods, wherein, conduction oil is divided into six sections continuous oil bath foaming sulfur districts, the length of every section oil bath foaming sulfur district is 2.5 meters, and every section oil bath foaming sulfur district arranges different temperature; The temperature of first paragraph oil bath foaming sulfur district is 150 degree, and unvulcanized silicon rubber is 10 minutes by the time; The temperature of second segment oil bath foaming sulfur district is 150 degree, and unvulcanized silicon rubber is 10 minutes by the time; The temperature of the 3rd section oil bath foaming sulfur district is 160 degree, and unvulcanized silicon rubber is 10 minutes by the time;
Five, rolling or severing;
Six, the foamed silastic goods are carried out post-cure and process, the temperature that post-cure is processed is 200 degree, and the time is 4 hours, the foamed silastic goods of obtain foaming fully, elasticity is excellent;
Seven, packing.
The medium that the present invention selects conduction oil to conduct heat as heating, and according to the characteristics of the conduction oil of selecting, designed heat-conducting oil furnace high-temperature heating continuous vulcanizing device.Conduction oil of the present invention is used for the production of foamed silastic goods; Heat-conducting oil furnace continuous vulcanizing device of the present invention is used for the production of foamed silastic goods; Conduction oil of the present invention cooperates the heat-conducting oil furnace continuous vulcanizing device to make unvulcanized silicon rubber recur foaming and vulcanization reaction.
Certainly, the above only is better embodiment of the present invention, therefore all equivalences of doing according to the described structure of patent claim of the present invention, feature and principle change or modify, is included in the patent claim of the present invention.
Claims (10)
1. the manufacture craft of foamed silastic goods is characterized in that, it may further comprise the steps:
A, silicon rubber, blowing agent, vulcanizing agent is mixing evenly, and by the screw extruder extrusion molding, make unvulcanized silicon rubber;
B, unvulcanized silicon rubber is wrapped on the conductor rope;
C, will twine not that the conductor rope of sulphurated siliastic at the uniform velocity passes from conduction oil, and make unvulcanized silicon rubber that foaming and vulcanization reaction occur, be solidified into the foamed silastic goods;
D, the foamed silastic goods are carried out post-cure process.
2. the manufacture craft of foamed silastic goods according to claim 1, it is characterized in that: conductor rope carries out the first cure processing to unvulcanized silicon rubber first before passing conduction oil among the step C, the temperature that first cure is processed is the 230-280 degree, and the time is 10-30 second.
3. the manufacture craft of foamed silastic goods according to claim 1 is characterized in that: twining not among the step C, the conductor rope of sulphurated siliastic at the uniform velocity passes from conduction oil by the traction of adjustable speed wrap-up.
4. the manufacture craft of foamed silastic goods according to claim 1 is characterized in that: conduction oil is divided into the continuous oil bath foaming sulfur district of multistage among the step C, and every section oil bath foaming sulfur district arranges different temperature.
5. the manufacture craft of foamed silastic goods according to claim 4 is characterized in that: the length of every section oil bath foaming sulfur district is 1.5-2.5 rice.
6. the manufacture craft of foamed silastic goods according to claim 4 is characterized in that: described oil bath foaming sulfur district has three sections at least, and the temperature of first paragraph oil bath foaming sulfur district is the 130-150 degree, and unvulcanized silicon rubber is 5-10 minute by the time; The temperature of second segment oil bath foaming sulfur district is the 140-150 degree, and unvulcanized silicon rubber is 5-10 minute by the time; The temperature of the 3rd section oil bath foaming sulfur district is the 150-160 degree, and unvulcanized silicon rubber is 5-10 minute by the time.
7. the manufacture craft of foamed silastic goods according to claim 4 is characterized in that: described oil bath foaming sulfur district is six sections.
8. the manufacture craft of foamed silastic goods according to claim 1 is characterized in that: silicon rubber described in the step C soaks also and is suspended in the conduction oil.
9. the manufacture craft of foamed silastic goods according to claim 1 is characterized in that: the temperature that post-cure described in the step D is processed is the 180-200 degree, and the time is 2-4 hour.
10. the manufacture craft of the described foamed silastic goods of any one according to claim 1-9, it is characterized in that: described conduction oil is arranged in the heat-conducting oil furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110231601.XA CN102941675B (en) | 2011-08-15 | 2011-08-15 | Manufacturing technology of foamed silicone rubber product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110231601.XA CN102941675B (en) | 2011-08-15 | 2011-08-15 | Manufacturing technology of foamed silicone rubber product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102941675A true CN102941675A (en) | 2013-02-27 |
| CN102941675B CN102941675B (en) | 2015-03-11 |
Family
ID=47724710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110231601.XA Expired - Fee Related CN102941675B (en) | 2011-08-15 | 2011-08-15 | Manufacturing technology of foamed silicone rubber product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102941675B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103319896A (en) * | 2013-05-22 | 2013-09-25 | 易宝（福建）高分子材料股份公司 | VMQ silicone rubber/EVA closed cell foam material and preparation method thereof |
| CN109810510A (en) * | 2018-12-29 | 2019-05-28 | 易宝（福建）高分子材料股份公司 | A kind of damping silicon rubber closed pore molding second time of foaming material and preparation method thereof |
| CN114407396A (en) * | 2022-01-19 | 2022-04-29 | 天津城建大学 | Continuous batch preparation method of silicone rubber microfiber and microtubule |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1880570A (en) * | 2005-06-17 | 2006-12-20 | 厚生股份有限公司 | Materials composition and processing method for composite fiber |
| CN101070430A (en) * | 2007-05-16 | 2007-11-14 | 石建国 | Silica-gel foaming-gel heat-insulation pipe and preparing method |
-
2011
- 2011-08-15 CN CN201110231601.XA patent/CN102941675B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1880570A (en) * | 2005-06-17 | 2006-12-20 | 厚生股份有限公司 | Materials composition and processing method for composite fiber |
| CN101070430A (en) * | 2007-05-16 | 2007-11-14 | 石建国 | Silica-gel foaming-gel heat-insulation pipe and preparing method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103319896A (en) * | 2013-05-22 | 2013-09-25 | 易宝（福建）高分子材料股份公司 | VMQ silicone rubber/EVA closed cell foam material and preparation method thereof |
| CN109810510A (en) * | 2018-12-29 | 2019-05-28 | 易宝（福建）高分子材料股份公司 | A kind of damping silicon rubber closed pore molding second time of foaming material and preparation method thereof |
| CN114407396A (en) * | 2022-01-19 | 2022-04-29 | 天津城建大学 | Continuous batch preparation method of silicone rubber microfiber and microtubule |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102941675B (en) | 2015-03-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102490380B (en) | Packing belt production method and complete equipment | |
| CN101108675A (en) | Polyester baling belt and process technique thereof | |
| CN102941675B (en) | Manufacturing technology of foamed silicone rubber product | |
| CN103387705B (en) | A kind of preparation method without methane amide IXPE foam | |
| EG25090A (en) | Method and apparatus for producing oriented slit film tapes. | |
| CN104441541A (en) | Wood-plastic composite material production unit | |
| CN105500724A (en) | Preparation method of separators of lithium power batteries | |
| CN102320116A (en) | Molecular disorientation equipment and method for preparing macromolecular membrane with low shrinkage ratio | |
| CN103410881B (en) | Clutch surface yarn extrusion is wrapped up in colloid system and wraps up in gluing method | |
| CN204130569U (en) | The manufacturing equipment of low-shrinkage EVA adhesive film used for solar batteries | |
| JP2017112081A5 (en) | ||
| CN108099083A (en) | A kind of sheet rubber extrusion molding production line | |
| CN206484819U (en) | A kind of novel injection moulding machine mould | |
| CN202369494U (en) | Production system for physical tempering of curved-surface thin glass | |
| CN102975462B (en) | Device for compounding fused plastic with poor mobility and process thereof | |
| CN207808219U (en) | A kind of sheet rubber extrusion molding production line | |
| CN101837618A (en) | Solid tire sulfuration technology for inner forming, outer heating and segment temperature control | |
| CN204296034U (en) | A kind of strap production line | |
| CN203496159U (en) | High-speed production and shaping device for EVA (Ethylene Vinyl Acetate Copolymer) adhesive films | |
| CN202862598U (en) | Device for producing far-infrared heating solid-core flame retardant conveyor belt by using extrusion method | |
| CN203004473U (en) | Device for compounding melting plastic with bad flowability | |
| CN207983974U (en) | A kind of longitudinal tensile fixture of heat shrink films | |
| CN113334659B (en) | Preparation process of windproof sand-inhibiting net | |
| CN203477121U (en) | Multi-head and efficient system for extruding coated glue in yarn of clutch facing | |
| CN220198270U (en) | Polymer waterproof sheet circulating constant temperature vulcanizing boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20180815 |