CN103275294A - Slow rebound sponge and preparation method thereof - Google Patents
Slow rebound sponge and preparation method thereof Download PDFInfo
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- CN103275294A CN103275294A CN2013102219377A CN201310221937A CN103275294A CN 103275294 A CN103275294 A CN 103275294A CN 2013102219377 A CN2013102219377 A CN 2013102219377A CN 201310221937 A CN201310221937 A CN 201310221937A CN 103275294 A CN103275294 A CN 103275294A
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Abstract
The invention discloses a slow rebound sponge which is composed of the following raw materials by weight: 50-100 parts of a common polyether, 50-100 parts of a common polyether hardening agent, 10-50 parts of a slow rebound polyether, 50-100 parts of a slow rebound polyether, 8-30 parts of melamine, 30-60 parts of toluene diisocyanate, 3-10 parts of dichloromethane, 2.5-6 parts of water, 0.2-0.8 part of a first catalyst, 0.2-0.6 part of a second catalyst, 0.01-0.5 part of a foam stabilizer and 0.5-1.5 parts of a coloring agent. The slow rebound sponge disclosed by the invention not only has the characteristics of slow rebound elasticity, high tension and the like but also has the advantages of simple production process, flame retardancy, safety, environmental protection, etc.
Description
Technical field
The present invention relates to technical field of polymer materials, and be particularly related to a kind of slow-recovery sponge and preparation method thereof.
Background technology
Sponge is a kind of of urethane foam, belongs to flexible urethane foam.Because the structure of vesicular honeycomb is arranged, so have the characteristics of good flexibility, elasticity, water-absorbent, water tolerance, be widely used in industry-by-industries such as sofa, mattress, clothes, soft packaging.
Slow-recovery sponge as one of sponge family is widely used, and the slow-recovery sponge formal name used at school is inertia bullet sponge, and English name is Memory Foam, and its main component is polyurethane foam plastics.It contains temperature sense particle, has visco-elasticity, can be because of body temperature and pressure appearance, effectively the human pressure is dissolved and be zero-pressure, counteracting counterforce for health provides the most even, real support, makes the position of health Long contact time be in pressure-less state, do not hinder blood circulation, be difficult for producing fatigue and aching.Can effectively dissolve the human pressure because of it is zero, and the space zero pressure sponge of gaining the name.
Yet existing slow-recovery sponge is relatively fragile, and performances such as its pulling force, hardness, tear strength are more weak, in use broken easily, and this has just influenced the quality of the article that slow-recovery sponge makes, also relative minimizing the work-ing life of slow-recovery sponge goods.
Summary of the invention
In view of this, the invention provides a kind of slow-recovery sponge and preparation method thereof, to solve prior art problems.
For solving above technical problem, the invention provides a kind of slow-recovery sponge, by following raw materials by weight portion than forming:
50～100 parts of common polyethers;
50～100 parts of the hard agent of common polyether extended;
10～50 parts of slow resilience polyethers;
50～100 parts of slow resilience polyethers;
8～30 parts of trimeric cyanamides;
30～60 parts of tolylene diisocyanates;
3～10 parts of methylene dichloride;
2.5～6 parts in water;
0.2～0.8 part of first catalyzer;
0.2～0.6 part of second catalyzer;
0.01～0.5 part of suds-stabilizing agent;
0.5～1.5 part of staining agent.
Further, described first catalyzer is stannous octoate or dibutyl tin.
Further, described second catalyzer is for having trolamine, triethylene diamine or triethylamine.
Further, described suds-stabilizing agent is silicon-carbon bond Si-C multipolymer.
The present invention also provides a kind of preparation method of slow-recovery sponge, may further comprise the steps:
Press above-mentioned formula rate with ball polyethers, the hard agent of ball polyether extended, slow resilience polyethers, slow resilience polyethers, trimeric cyanamide, methylene dichloride, water, first catalyzer, second catalyzer, suds-stabilizing agent, staining agent add stirrer for mixing and stirred 20 seconds as first group;
By above-mentioned formula rate with tolylene diisocyanate as second group, first group and second group were mixed high-speed stirring about 3 seconds, pour into rapidly in the forming box, about 3 seconds mould words spoken by an actor from offstage time, about 0.5～3 minute reaction times;
Cut out after the slaking and be slit into required size.
The present invention adopts the sponge cell diameter size mixed distribution of the slow-recovery sponge of special formulation manufacturing, skeleton thickness difference, very big percentage of open area is arranged, when pressurized, can under the different deformation state, produce the bounce of different anchorage forces, reached good rebound performance, shock-absorbing, the sound absorption qualities uniqueness, rebound degree is replied slowly behind the pressurized close to zero, has improved the sponge quality, reduced the cost of sponge, consolidate sponge quality of stability etc., therefore, it is slow that slow-recovery sponge of the present invention not only has rebound resilience, characteristics such as pulling force height, it is simple also to have production technique, fire-retardant, safety, advantages such as environmental protection.
Embodiment
For above-mentioned feature and advantage of the present invention can be become apparent, exemplary embodiment cited below particularly is described in detail below.
Sponge is a kind of of urethane foam, belongs to flexible urethane foam.Because the structure of vesicular honeycomb is arranged, so have the characteristics of good flexibility, elasticity, water-absorbent, water tolerance, be widely used in industries such as sofa, mattress, clothes, soft packaging.
The slow-recovery sponge that provides in the embodiment of the invention is mainly formed by following raw material preparing:
1. common polyethers
What adopt in the embodiment of the invention is polyethers propylene glycol, polyethers glycerol, its functionality few (2-3), and hydroxyl value is low, and molecular weight is big.Molecular formula is:
2. slow resilience polyethers
3 organic isocyanates
In embodiments of the present invention, employing be tolylene diisocyanate, be called for short TDI, two kinds of isomer are arranged, namely 2,4-TDI, 2,6-TDI. are in producing sponge 2,4-TDI accounts for 80%, 2,6-TDI and accounts for 20%
4. water
In producing sponge, water is indispensable, and CO2 gas is emitted in water and TDI reaction, plays chain propagation simultaneously.
5. catalyzer
In embodiments of the present invention, for promoting polyether glycol and isocyanate reaction to make first catalyzer of chainpropagation that stannous octoate, dibutyl tin be arranged.Promote crosslinking reaction and can promote second catalyzer of the CO2 gas that reaction is emitted between isocyanic ester and the water that trolamine, triethylene diamine, triethylamine etc. are arranged.
6. external application whipping agent
In embodiments of the present invention, use be lower boiling fluorohydrocarbon compounds, as fluoro trichloromethane (F-11), ring penta or methylene dichloride, effect is pretty good.If not the sponge that produces special light density, also can suitably adjust the main raw material ratio, do not use the external application whipping agent.
7. suds-stabilizing agent (foam stabilizer)
In embodiments of the present invention, use the silicon foams stablizer, as silicon-carbon bond Si-C multipolymer.
Embodiment one
Slow-recovery sponge in the present embodiment by following raw material by weight the mark ratio be prepared from: 50 parts of common polyethers; 50 parts of the hard agent of common polyether extended; 10 parts of slow resilience polyethers; 90 parts of slow resilience polyethers; 8 parts of trimeric cyanamides; 30 parts of tolylene diisocyanates; 3 parts of methylene dichloride; 2.5 parts in water; 0.2 part of first catalyzer; 0.2 part of second catalyzer; 0.01 part of suds-stabilizing agent; 0.5 part of staining agent.
Embodiment two
Slow-recovery sponge in the present embodiment by following raw material by weight the mark ratio be prepared from: 80 parts of common polyethers; 20 parts of the hard agent of common polyether extended; 50 parts of slow resilience polyethers; 50 parts of slow resilience polyethers; 30 parts of trimeric cyanamides; 60 parts of tolylene diisocyanates; 10 parts of methylene dichloride; 6 parts in water; 0.8 part of first catalyzer; 0.6 part of second catalyzer; 0.5 part of suds-stabilizing agent; 1.5 parts of staining agents.
Embodiment three
Slow-recovery sponge in the present embodiment by following raw material by weight the mark ratio be prepared from: 25 parts of common polyethers; 75 parts of the hard agent of common polyether extended; 25 parts of slow resilience polyethers; 75 parts of slow resilience polyethers; 20 parts of trimeric cyanamides; 65 parts of tolylene diisocyanates; 6.5 parts of methylene dichloride; 4 parts in water; 0.5 part of first catalyzer; 0.4 part of second catalyzer; 0.3 part of diethanolamine; 0.2 part of suds-stabilizing agent; 1 part of staining agent.
The embodiment of the invention also provides production technique and the flow process of slow-recovery sponge.
In embodiments of the present invention, adopt box foaming of a step during sponge produces, various raw materials under high-speed stirring, are added forming box rapidly, in forming box, finish reactions such as chainpropagation, foaming, crosslinked, curing, thereby finish sponge production.This technological advantage is that technical process is short, and material viscosity is low, and the energy is saved in control easily, and facility investment is little, and it is wide to be suitable for density range.
At first, by above-mentioned formula rate with common polyethers, the hard agent of common polyether extended, slow resilience polyethers, slow resilience polyethers, trimeric cyanamide, methylene dichloride, water, first catalyzer, second catalyzer, suds-stabilizing agent, staining agent as first group, add stirrer for mixing and stirred 20 seconds.
By above-mentioned formula rate with tolylene diisocyanate as second group, first group and second group were mixed high-speed stirring about 3 seconds, pour into rapidly in the forming box, about 3 seconds mould words spoken by an actor from offstage time, about 0.5～3 minute reaction times; Cut out after the slaking and be slit into required size.Can finish complete process of cooling after 72 hours.
The embodiment of the invention adopts the sponge cell diameter size mixed distribution of the slow-recovery sponge of special formulation manufacturing, skeleton thickness difference, very big percentage of open area is arranged, when pressurized, can under the different deformation state, produce the bounce of different anchorage forces, reached good rebound performance, shock-absorbing, the sound absorption qualities uniqueness, rebound degree is replied slowly behind the pressurized close to zero, has improved the sponge quality, reduced the cost of sponge, consolidate sponge quality of stability etc., therefore, it is slow that slow-recovery sponge of the present invention not only has rebound resilience, characteristics such as pulling force height, it is simple also to have production technique, fire-retardant, safety, advantages such as environmental protection.
More than show and described ultimate principle of the present invention, principal character and advantage of the present invention.Those skilled in the art should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and the specification sheets is principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the present invention.The protection domain that the present invention requires is defined by appending claims and equivalent thereof.
Claims (5)
1. a slow-recovery sponge is characterized in that, by following raw materials by weight portion than forming:
50～100 parts of common polyethers;
50～100 parts of the hard agent of common polyether extended;
10～50 parts of slow resilience polyethers;
50～100 parts of slow resilience polyethers;
8～30 parts of trimeric cyanamides;
30～60 parts of tolylene diisocyanates;
3～10 parts of methylene dichloride;
2.5～6 parts in water;
0.2～0.8 part of first catalyzer;
0.2～0.6 part of second catalyzer;
0.01～0.5 part of suds-stabilizing agent;
0.5～1.5 part of staining agent.
2. slow-recovery sponge according to claim 1 is characterized in that, described first catalyzer is stannous octoate or dibutyl tin.
3. slow-recovery sponge according to claim 1 is characterized in that, described second catalyzer is for having trolamine, triethylene diamine or triethylamine.
4. slow-recovery sponge according to claim 1 is characterized in that, described suds-stabilizing agent is silicon-carbon bond Si-C multipolymer.
5. the preparation method of a slow-recovery sponge according to claim 1 is characterized in that, may further comprise the steps:
Press above-mentioned formula rate with ball polyethers, the hard agent of ball polyether extended, slow resilience polyethers, slow resilience polyethers, trimeric cyanamide, methylene dichloride, water, first catalyzer, second catalyzer, suds-stabilizing agent, staining agent add stirrer for mixing and stirred 20 seconds as first group;
By above-mentioned formula rate with tolylene diisocyanate as second group, first group and second group were mixed high-speed stirring about 3 seconds, pour into rapidly in the forming box, about 3 seconds mould words spoken by an actor from offstage time, about 0.5～3 minute reaction times;
Cut out after the slaking and be slit into required size.
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| CN2013102219377A CN103275294A (en) | 2013-06-05 | 2013-06-05 | Slow rebound sponge and preparation method thereof |
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| CN2013102219377A CN103275294A (en) | 2013-06-05 | 2013-06-05 | Slow rebound sponge and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104161418A (en) * | 2014-08-05 | 2014-11-26 | 滁州宝瑞橡胶制品有限公司 | Mattress with good mechanical property |
| CN105315429A (en) * | 2014-07-28 | 2016-02-10 | 佛山市宜奥科技实业有限公司 | Flower aroma sponge and production method thereof |
| CN105566605A (en) * | 2015-12-30 | 2016-05-11 | 芜湖馨源海绵有限公司 | Slow rebound memory pillow for automobiles, and production technology thereof |
| CN106117505A (en) * | 2016-07-21 | 2016-11-16 | 海宁兄弟家具有限公司 | A kind of slow-recovery sponge |
| CN106397726A (en) * | 2016-08-31 | 2017-02-15 | 淮安同创泡绵有限公司 | Halogen-free flame retardant slowly-recoverable memory foam |
| CN108164673A (en) * | 2017-12-29 | 2018-06-15 | 浙江省三门中鑫实业有限公司 | A kind of fire-retardant slow-recovery sponge and its manufacturing method for not adding fire retardant |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1229803A (en) * | 1998-02-06 | 1999-09-29 | 武田药品工业株式会社 | Low resilience urethane foam |
| CN101016368A (en) * | 2006-12-06 | 2007-08-15 | 北京科聚化工新材料有限公司 | Method of preparing full MDI polyurethane slow rebound foam |
| US20070299153A1 (en) * | 2006-06-23 | 2007-12-27 | Hager Stanley L | Viscoelastic foams with slower recovery and improved tear |
| WO2010057355A1 (en) * | 2008-11-21 | 2010-05-27 | 优洁（亚洲）有限公司 | Soft polyurethane foam with low resilience and the preparation method thereof |
| CN102391457A (en) * | 2011-07-28 | 2012-03-28 | 胡志刚 | Polyurethane memory foam with superior anti-yellowing performance |
-
2013
- 2013-06-05 CN CN2013102219377A patent/CN103275294A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1229803A (en) * | 1998-02-06 | 1999-09-29 | 武田药品工业株式会社 | Low resilience urethane foam |
| US20070299153A1 (en) * | 2006-06-23 | 2007-12-27 | Hager Stanley L | Viscoelastic foams with slower recovery and improved tear |
| CN101016368A (en) * | 2006-12-06 | 2007-08-15 | 北京科聚化工新材料有限公司 | Method of preparing full MDI polyurethane slow rebound foam |
| WO2010057355A1 (en) * | 2008-11-21 | 2010-05-27 | 优洁（亚洲）有限公司 | Soft polyurethane foam with low resilience and the preparation method thereof |
| CN102391457A (en) * | 2011-07-28 | 2012-03-28 | 胡志刚 | Polyurethane memory foam with superior anti-yellowing performance |
Non-Patent Citations (1)
| Title |
|---|
| 申宝兵等: "聚氨酯慢回弹块状泡沫的研制", 《聚氨酯工业》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105315429A (en) * | 2014-07-28 | 2016-02-10 | 佛山市宜奥科技实业有限公司 | Flower aroma sponge and production method thereof |
| CN104161418A (en) * | 2014-08-05 | 2014-11-26 | 滁州宝瑞橡胶制品有限公司 | Mattress with good mechanical property |
| CN105566605A (en) * | 2015-12-30 | 2016-05-11 | 芜湖馨源海绵有限公司 | Slow rebound memory pillow for automobiles, and production technology thereof |
| CN106117505A (en) * | 2016-07-21 | 2016-11-16 | 海宁兄弟家具有限公司 | A kind of slow-recovery sponge |
| CN106397726A (en) * | 2016-08-31 | 2017-02-15 | 淮安同创泡绵有限公司 | Halogen-free flame retardant slowly-recoverable memory foam |
| CN108164673A (en) * | 2017-12-29 | 2018-06-15 | 浙江省三门中鑫实业有限公司 | A kind of fire-retardant slow-recovery sponge and its manufacturing method for not adding fire retardant |
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Application publication date: 20130904 |