CN107857865A - A kind of automotive seat full water environmental protection flame retardant type flatulence memory polyurethane foam and preparation method thereof - Google Patents

A kind of automotive seat full water environmental protection flame retardant type flatulence memory polyurethane foam and preparation method thereof Download PDF

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CN107857865A
CN107857865A CN201711159002.5A CN201711159002A CN107857865A CN 107857865 A CN107857865 A CN 107857865A CN 201711159002 A CN201711159002 A CN 201711159002A CN 107857865 A CN107857865 A CN 107857865A
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ppg
foam
component
environmental protection
flame retardant
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CN107857865B (en
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张胜利
石文奎
郭建春
刘亚峰
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Zhengzhou Jingyida Auto Parts Co Ltd
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Zhengzhou Jingyida Auto Parts Co Ltd
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    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
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    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
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    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4804—Two or more polyethers of different physical or chemical nature
    • C08G18/4816—Two or more polyethers of different physical or chemical nature mixtures of two or more polyetherpolyols having at least three hydroxy groups
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    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4833—Polyethers containing oxyethylene units
    • C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
    • C08G18/4841—Polyethers containing oxyethylene units and other oxyalkylene units containing oxyethylene end groups
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    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/63—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
    • C08G18/632—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers onto polyethers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/6552—Compounds of group C08G18/63
    • C08G18/6558—Compounds of group C08G18/63 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6564—Compounds of group C08G18/63 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
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    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666—Compounds of group C08G18/48 or C08G18/52
    • C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
    • C08G18/6677—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203 having at least three hydroxy groups
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
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    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78—Nitrogen
    • C08G18/7806—Nitrogen containing -N-C=0 groups
    • C08G18/7843—Nitrogen containing -N-C=0 groups containing urethane groups
    • C—CHEMISTRY; METALLURGY
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    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78—Nitrogen
    • C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
    • C08G18/797—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing carbodiimide and/or uretone-imine groups
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    • C08G2110/00—Foam properties
    • C08G2110/0083—Foam properties prepared using water as the sole blowing agent
    • C—CHEMISTRY; METALLURGY
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    • C08G2280/00—Compositions for creating shape memory

Abstract

The invention provides a kind of automotive seat full water environmental protection flame retardant type flatulence memory polyurethane foam and preparation method thereof, and it includes PPG A, PPG B, PPG C, PPG D, CBA, composite catalyst, foam stabiliser, crosslinking/chain extender and full MDI system isocyanates.The present invention passes through each reactive component dosage of rational proportion, auxiliary agent is protected using full water foamed, low odor response type ring, the isocyanates that selection suitably forms by compounding, gained foam itself is fire-retardant, any fire retardant need not be added, and foam smell is relatively low, the feature of environmental protection can be lifted applied to automotive seat.

Description

A kind of automotive seat full water environmental protection flame retardant type flatulence memory polyurethane foam and its system Preparation Method
Technical field
The invention belongs to polyurethane flexible foam field, be related to a kind of automotive seat shape-memory polyurethane foam and its Preparation method.Specifically, the flexible foam has shape memory function, and foam is environmental protection flame retardant in itself, by without any The composition of fire retardant is formed.
Background technology
At present, China Automobile Industry is rapid, and people are to riding comfort requirement also more and more higher.Low resilience urethane foam resilient foam is claimed again For memory foam, because it has shape memory function, damping and amortization is good, and good sound-absorbing damping function is soft as seat , can be according to the shape along human body different parts during cushion material, with human contact, pressure distribution is uniform, and stress is disperseed, favorably In blood circulation of human body, human-body fatigue sense is reduced, increases riding comfort.
It is low that mainly low molecule amount is blended by a certain percentage in high activity polyether when prepared by conventional low resilience moulded foam Active polyether (market is referred to as slow rebound polyether), the low resilience urethane foam resilient foam of preparation are easier to closed pore, cause foam contraction to deform, because This often relies on addition certain proportion pore-creating agent when preparing foam to carry out perforate, the foam cell knot prepared in this way Structure is not of uniform size, and low intensity, feel are poor.Also need to add fire retardant in the feed for lifting foam anti-flammability, cause foam gas Taste is larger, and smoke amount is big during burning, strong toxicity.Also tend to need to refer to using relatively low isocyanates when preparing foam simultaneously Number, combine and react insufficient between polyol component and isocyanate component, especially some low molecule amounts, low degree of functionality small molecule Material can not effectively participate in reacting, and cause foam buckling poor-performing, mechanical property reduces, supportive difference and foam smell compared with Greatly, it is unfavorable for the popularization and application on automotive seat.
The content of the invention
It is an object of the invention to provide a kind of preparation method of flatulence memory foam, the foam designs for bladder-type, to low Molecular weight polyether and isocyanate index have relatively low dependence, and formula tolerance is big, foam good hand touch, flatulence sense foot, low Resilience effect is good and high mechanical properties, applied to supportive and damping energy absorption capacity is had on automotive seat concurrently, lifts comfortableness.
The purpose of the present invention is that use is full water foamed by each reactive component dosage of rational proportion, low odor response type Environmentally friendly auxiliary agent, the isocyanates that selection suitably forms by compounding, gained foam itself is fire-retardant, without adding any resistance Agent is fired, and foam smell is relatively low, and the feature of environmental protection can be lifted applied to automotive seat.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of full water environmental protection flame retardant type flatulence memory polyurethane foam of automotive seat, including component A and component B, it is described Component A includes the component of following parts by weight：
Component B is full MDI system isocyanates；
Wherein, component B dosage is 70~110 determinations according to isocyanate index, and isocyanate index is in component B The ratio of OH or active H groups in NCO group and component A in PPG；In practical application, component B dosage can lead to The amount of total material of reactive component present in isocyanate index combination anchor is crossed to determine；
It by the small-molecular-weight polyol compound containing active hydrogen group is initiator that PPG A, which is, and end group is oxidation The propylene oxide and open-loop polymerizing ethylene oxide copolymer of ethene end-blocking, Polyetherfunctional degree are 3,32~50mgKOH/g of hydroxyl value, oxygen Change propylene content and be less than 30%, ethylene oxide content is less than 75%；
It by the small-molecular-weight polyol compound containing active hydrogen group is initiator that PPG B, which is, with propylene oxide Ring-opening polymerization synthesizes, and Polyetherfunctional degree is 3, and 105~280mgKOH/g of hydroxyl value, propylene oxide content is more than 90%；
It by the small-molecular-weight polyol compound containing active hydrogen group is initiator that PPG C, which is, and end group is oxidation The propylene oxide and open-loop polymerizing ethylene oxide copolymer of ethene end-blocking, Polyetherfunctional degree are 3,32~40mgKOH/g of hydroxyl value, oxygen Change propylene content and be less than 30%, ethylene oxide content is more than 50%；
PPG D is that the graft copolymerization under initiator effect forms with vinyl monomer by PPG, function Spend for 2.7~3,20~30mgKOH/g of hydroxyl value, ethylene oxide content 65~90%, propylene oxide content 10~30%；Polyethers is more First alcohol D is a kind of modified polyether polylol, or is polymer polyatomic alcohol or grafted polyether polyol；
CBA is water；
Composite catalyst is tertiary amine catalyst；
Foam stabiliser is the low fogging organic silicon surfactant of non-hydrolytic type；
Crosslinking agent is small-molecular-weight triol or alcamine compound in crosslinking/chain extender, has three or three with Shangguan Energy degree；Chain extender is hydroxy diol or ether with two isocyanates-reactive groups, the crosslinking/mixture of chain extenders The weight ratio of middle crosslinking agent and chain extender is 3: 7~7: 3.
CBA is water, free from admixture, water white transparency, instead of traditional foaming agent for having destruction to atmosphere, Carbon dioxide is produced with modified MDI reactions, for controlling foam density.
Preferably, PPG A, PPG B, of PPG C small molecular weight polyalcohol compounds Beginning agent is glycerine or trimethylolpropane.Under normal circumstances, small-molecular-weight refers to referred to as small molecule of the relative molecular weight less than 400 Amount.
Preferably, PPG D be by PPG and vinyl monomer under initiator effect graft copolymerization and Into the vinyl monomer is one kind in acrylonitrile, styrene, vinylacetate.
Preferably, the tertiary amine catalyst is the innovation two that the triethylene diamine content of gas chemical company of the U.S. is 33% Alcoholic solution (33LX), the NA-720 of Ao Sijia materials scientific ＆ technical corporation, dimethyl ethanol in the hydroxyl tertiary amine of Huntsman Corporation of the U.S. Amine (DMEA), dimethylaminoethoxyethanol (DMAEE), N, N, N ' the double aminoethyl ethers (ZF-10) of-trimethyl-N '-ethoxy, Double (dimethylamino-propyl) isopropanolamines (ZR-50) of N, N-, in the NIAXEF ﹣ 600 of Mai Tu new materials company any one or Two or more compositions.
Composite catalyst is that the one or more in above-mentioned several catalyst are combined, and catalyst can during the course of the reaction Foamable reaction and gel reaction are balanced, ensures that the formation of polymer is mutually coordinated with the generation speed of carbon dioxide, is foaming While reaction, foams have possessed appropriate intensity, and support foam does not collapse bubble, at the same and can by gas wrapping in foam In vivo but it is unlikely to cause foam contraction.The coordination balanced between reaction rate and gel time, dependent on suitable catalyst Selection or compound and its mutual caused cooperative effect.
Preferably, it is industrial that the foam stabiliser is the L-580 or L-3635 of Mai Tu new materials group of the U.S., Germany wins wound The B-8002 or B-8715LF2 of group or the UF-5766 of B-8870, Ao Sijia material science and technology (Shanghai) Co., Ltd., Nanjing U.S. Any one in AK-6688LV, AK-6628LV of Si De companies.
Foam stabiliser can play emulsion reaction material, reduce reaction system surface tension, stable foam and regulation abscess Effect.Above-mentioned foam stabiliser be conventional polyurethanes magma bubble, low resilience urethane foam resilient foam and high resilience moulded foam high activity or The low fogging organic silicon surfactant of the middle non-hydrolytic type of low activity.
Preferably, crosslinking agent is glycerine (GLY), trimethylolpropane (TMP), diethanol in the crosslinking/chain extender Any one in amine (DEOA), triethanolamine (TEOA) or two or more compositions.
Preferably, chain extender is BDO (BDO), ethylene glycol (EG), diethylene glycol (DEG) in the crosslinking/chain extender (DEG), 1,3- propane diols (DPG), liquefaction the beta-hydroxyethyl of quinhydrones-two ether (HQEE ﹣ L) and mean molecule quantity be up to 250 gather Any one in ethylene glycol or two or more compositions.
Crosslinking/the chain extender can increase the support strength of abscess, the stability of enhanced foaming system, avoid foam from collapsing bubble Etc. the generation of quality problems.Wherein, crosslinking agent is with three and more than three degrees of functionality.Chain extender adds the glass of foam Change transition temperature, it is reacted with isocyanate component to form the polyurethane hardness segment in foam.
Preferably, one or both of Babassuamidopropylamine, elastic force agent are also included in the component A.
Preferably, the Babassuamidopropylamine is modified vegetable oil or vegetable butter, and dosage is with 100 parts by weight PPGs Mixing meter, Babassuamidopropylamine are 2~15 parts, and Babassuamidopropylamine increases the air circulation of foam, strengthen foamy body and feel, tool There is relatively low finger trace residual.
Preferably, component B dosage is 75~100 determinations according to isocyanate index.
Preferably, full MDI system isocyanates be MDI-50, urethane-modified MDI, Carbodiimide-Modified MDI, The mixture of polyphenyl polymethylene polyisocyanates, average functionality are 2.0~2.2.Above-mentioned three kinds modified MDI are diphenyl Made from methane diisocyanate and polyol reaction.
A kind of described automotive seat preparation method of full water environmental protection flame retardant type flatulence memory polyurethane foam, its feature It is, comprises the following steps：
(1) by PPG A, PPG B, PPG C, PPG D, composite catalyst, foam Stabilizer, water, crosslinking/chain extender are put into stirred tank successively by weight, are sufficiently mixed under normal temperature uniformly, are obtained component A；
(2) component A and component B are mixed at 22~26 DEG C by weight, pours into mould and react, die temperance control is 45 ~55 DEG C, molded after curing 4~5min, take out exemplar, obtain flame retardant type flatulence memory foam.
Compared with prior art, beneficial effects of the present invention are：
(1) formula of urethane foam for use in automobile seats of the present invention is reasonable, in the case where not adding pore-creating agent, preparation Polyurethane foam flatulence sense foot, good hand touch, soft comfortable；By inventive formulation, do not add prepared by the case of fire retardant Polyurethane foam fire resistance it is good；Therefore, in the case where not adding pore-creating agent, fire retardant, while the group of low smell is used Point, make the polyurethane foam smell of preparation relatively low, environmental protection, be adapted to wide popularization and application, be especially applied to automotive seat On, be advantageous to the physical and mental health of driver and conductor, lift safety and ride comfort.
(2) isocyanates used is compounding in inventive formulation, to low index isocyanates without very big dependence, Formula has good tolerance simultaneously, solves polyol component in the prior art and reacts insufficient band with isocyanate component The problem of poor mechanical property come, buckling poor performance, it is further able to improve the mechanical property of prepared polyurethane foam.
Embodiment
With reference to embodiment, the present invention is described in further detail, but the invention is not limited in following implementation Example.
The automotive seat of following examples full water environmental protection flame retardant type flatulence memory polyurethane foam, including following components, Specially：
PPG A is 3 degrees of functionality, and glycerine (GLY) is initiator, by ethylene oxide and propylene oxide ring-opening polymerisation React the polyol formed, hydroxyl value 42mgKOH/g, molecular weight 4000.
PPG B is 3 degrees of functionality, and glycerine (GLY) is initiator, is formed with propylene oxide ring-opening polymerization Polyol, hydroxyl value are 225~245mgKOH/g, molecular weight 700.
PPG C is 3 degrees of functionality, and trimethylolpropane (TMP) is initiator, is opened with ethylene oxide-propylene oxide The polyol that cyclopolymerization reaction forms, ethylene oxide content is more than 55%, hydroxyl value 34mgKOH/g, molecular weight 5000.
PPG D is polyether polyol, and hydroxyl value is 21~28mgKOH/g, molecular weight 6000, can be adopted The polymer polyatomic alcohol CHP-H45 that the hydroxyl value produced with Chang Hua polyurethane Science and Technology Ltd. is 19~23mgKOH/g.
Foaming agent is water.
Foam stabiliser L-580, non-hydrolytic type polysiloxanes-polyoxyethylene copolymer, Mai Tu green woods company.
Foam stabiliser UF-5766, non-hydrolytic type polysiloxanes-polyoxyethylene copolymer, Ao Sijia materials scientific ＆ technical corporation.
Catalyst Z F-10, response type tertiary amine kicker, Huntsman Corporation.
Catalyst n A-720, response type tertiary amine gel catalyst, Ao Sijia materials scientific ＆ technical corporation.
Catalyst 33LX, low smell gel/balance catalyst, gas chemical company of the U.S..
Crosslinking/chain extender is DEG and TMP mixture, wherein, DEG accounts for 60wt%, TMP in crosslinking/mixture of chain extenders Account for 40wt%.
Isocyanates is urethane-modified MDI and P-MDI that MDI-50, MDI and polyol reaction form mixing Thing, the NCO content that gained is modified MDI are 29~30%.
The automotive seat of following examples is specific with the preparation method of full water environmental protection flame retardant type flatulence memory polyurethane foam For：According to weight, by PPG A, PPG B, PPG C, PPG D, foaming agent water, Foam stabiliser, catalyst, crosslinking/chain extender are configured to component A.At ambient temperature, quantitative isocyanic acid is weighed in proportion Ester, mixed with component A, quickly 5~6s of stirring, in the aluminium-making mould that foamed material is poured into rapidly 400mm × 400mm × 100mm, Under 52 DEG C of mould temperature, after curing 4~5min, flame retardant type flatulence memory foam is obtained.Cured 3 days in the environment of cleaning is divulged information, And properties are tested under standard test conditions.
The each component formula of embodiment 1~6 and component A and component B ratio, as shown in table 1.
The component formula of 1 embodiment of table 1~6 and component A and component B ratio
The product prepared by above formula rate, mechanical experimental results are shown in Table 2, and comparative example is remembered for marcopolo Polyurethane foam products.
The mechanical experimental results of product and comparative example prepared by the embodiment 1~6 of table 2
The test result of table 2 shows that the flatulence memory prepared in the range of wider isocyanates using the present invention is poly- The performances such as tearing strength, tensile strength and the elongation at break of urethane foam are above comparative example marcopolo memory polyurethanes Foam, and foam has stronger flatulence sense.
The product prepared by above formula rate, environmental-protecting performance (smell) test result are shown in Table 3.
Product prepared by the embodiment 1~6 of table 3 and the environmental-protecting performance of comparative example (smell) test result
Smell test sample size is 100mm × 50mm × 40mm in table 3, and container grinds for the water white transparency cleaning of 1L volumes Mouth tool plug vial, test result shows, no matter in normal temperature or under 80 DEG C of high temperature, is prepared using the formula rate material Flatulence memory polyurethane foam smell environmental-protecting performance be superior to the odor properties of comparative example marcopolo froth pulps, foam Smell is relatively low.
The product prepared by above formula rate, environmental-protecting performance (volatile matter) test result are shown in Table 4.
Environmental-protecting performance (volatile matter) test result of product prepared by the embodiment 1~6 of table 4
The environmental-protecting performance test result of table 4 shows to be less than using flatulence memory polyurethane foam haze value prepared by the material 2mg, content of formaldehyde are less than 10mg/Kg, and TVOC contents are less than 50 μ g C/g, and three benzene contents are less than detection limit, and volatile content is equal It is preferable less than standard requirement, environmental-protecting performance.
The product prepared by above formula rate, its fire resistance test result are shown in Table 5.
The fire resistance test result of product and comparative example prepared by the embodiment 1~6 of table 5
The fire resistance test result of table 5 shows that the flatulence memory polyurethane foam fire resistance prepared using the invention is complete Full up foot《People's Republic of China (PRC) traffic transport industry standard JT/T1095-2016》In to elastic cushion material it is fire-retardant will Ask.And oxygen index (OI) (standard requirement >=22%) is higher than comparative example marcopolo memory polyurethane foams.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (10)

  1. A kind of 1. full water environmental protection flame retardant type flatulence memory polyurethane foam of automotive seat, it is characterised in that including component A and Component B, the component A include the component of following parts by weight：
    50 ~ 70 parts of PPG A
    10 ~ 30 parts of PPG B
    5 ~ 30 parts of PPG C
    0 ~ 20 part of PPG D
    1.5 ~ 5 parts of CBA
    1 ~ 4 part of composite catalyst
    0.5 ~ 3.5 part of foam stabiliser
    0.5 ~ 10 part of crosslinking/chain extender；
    Component B is full MDI system isocyanates；
    Wherein, component B dosage is 70 ~ 110 determinations according to isocyanate index, and isocyanate index is the NCO bases in component B Group and the ratio of the OH in PPG in component A or active H groups；
    It by the small-molecular-weight polyol compound containing active hydrogen group is initiator that PPG A, which is, and end group is ethylene oxide The propylene oxide of end-blocking and open-loop polymerizing ethylene oxide copolymer, Polyetherfunctional degree are 3,32 ~ 50mgKOH/g of hydroxyl value, aoxidize third Alkene content is less than 30%, and ethylene oxide content is less than 75%；
    It by the small-molecular-weight polyol compound containing active hydrogen group is initiator that PPG B, which is, with propylene oxide open loop Polymerisation synthesizes, and Polyetherfunctional degree is 3, and 105 ~ 280mgKOH/g of hydroxyl value, propylene oxide content is more than 90%；
    It by the small-molecular-weight polyol compound containing active hydrogen group is initiator that PPG C, which is, and end group is ethylene oxide The propylene oxide of end-blocking and open-loop polymerizing ethylene oxide copolymer, Polyetherfunctional degree are 3,32 ~ 40mgKOH/g of hydroxyl value, aoxidize third Alkene content is less than 30%, and ethylene oxide content is more than 50%；
    PPG D is that the graft copolymerization under initiator effect forms with vinyl monomer by PPG, and degree of functionality is 2.7 ~ 3,20 ~ 30mgKOH/g of hydroxyl value, ethylene oxide content 65 ~ 90%, propylene oxide content 10 ~ 30%；
    CBA is water；
    Composite catalyst is tertiary amine catalyst；
    Foam stabiliser is the low fogging organic silicon surfactant of non-hydrolytic type；
    Crosslinking agent is small-molecular-weight triol or alcamine compound in crosslinking/chain extender, chain extender be with two isocyanates- The hydroxy diol or ether of reactive group, the weight of crosslinking agent and chain extender ratio is 3: 7 ~ 7 in the crosslinking/mixture of chain extenders ∶3。
  2. 2. a kind of full water environmental protection flame retardant type flatulence memory polyurethane foam of automotive seat according to claim 1, it is special Sign is that PPG A, PPG B, the initiator of PPG C small molecular weight polyalcohol compounds are third Triol or trimethylolpropane.
  3. 3. a kind of full water environmental protection flame retardant type flatulence memory polyurethane foam of automotive seat according to claim 1, it is special Sign is that PPG D is that the graft copolymerization under initiator effect forms with vinyl monomer by PPG, the second Alkenyl monomer is one kind in acrylonitrile, styrene, vinylacetate.
  4. 4. a kind of full water environmental protection flame retardant type flatulence memory polyurethane foam of automotive seat according to claim 1, it is special Sign is that the tertiary amine catalyst is the innovation glycol solution that the triethylene diamine content of gas chemical company of the U.S. is 33%, difficult to understand The NA-720 of Si Jia materials scientific ＆ technical corporation, dimethylethanolamine, dimethylamino ethoxy in the hydroxyl tertiary amine of Huntsman Corporation of the U.S. Base ethanol, N, N, N '-trimethyl-N '-ethoxy double aminoethyl ether, N, N- are double（Dimethylamino-propyl）Isopropanolamine, Mai Tuxin Any one in the NIAXEF ﹣ 600 of Materials Co., Ltd or two or more compositions.
  5. 5. a kind of full water environmental protection flame retardant type flatulence memory polyurethane foam of automotive seat according to claim 1, it is special Sign is that the foam stabiliser is the L-580 or L-3635 of Mai Tu new materials group of the U.S., the B- of Germany's win wound industrial group 8002 or B-8715LF2 or B-8870, Ao Sijia material science and technology（Shanghai）The UF-5766 of Co., Ltd, Nanjing Mei Side companies AK-6688LV, AK-6628LV in any one.
  6. 6. a kind of full water environmental protection flame retardant type flatulence memory polyurethane foam of automotive seat according to claim 1, it is special Sign is that crosslinking agent is any in glycerine, trimethylolpropane, diethanol amine, triethanolamine in the crosslinking/chain extender One or more kinds of compositions；Chain extender is 1,4- butanediols, ethylene glycol, diethylene glycol (DEG), 1,3- third in the crosslinking/chain extender Glycol, the liquefaction beta-hydroxyethyl of quinhydrones-two ether and mean molecule quantity be up to any one or two kinds in 250 polyethylene glycol with Upper composition.
  7. 7. a kind of full water environmental protection flame retardant type flatulence memory polyurethane foam of automotive seat according to claim 1, it is special Sign is, one or both of Babassuamidopropylamine, elastic force agent are also included in the component A.
  8. A kind of 8. automotive seat according to claim 1 preparation of full water environmental protection flame retardant type flatulence memory polyurethane foam Method, it is characterised in that component B dosage is 75 ~ 100 determinations according to isocyanate index.
  9. A kind of 9. automotive seat according to claim 1 preparation of full water environmental protection flame retardant type flatulence memory polyurethane foam Method, it is characterised in that full MDI system isocyanates are MDI-50, urethane-modified MDI, Carbodiimide-Modified MDI, polyphenyl polymethylene polyisocyanates mixture, average functionality are 2.0 ~ 2.2.
  10. A kind of 10. preparation of the full water environmental protection flame retardant type flatulence memory polyurethane foam of automotive seat described in claim 1 ~ 9 Method, it is characterised in that comprise the following steps：
    （1）By PPG A, PPG B, PPG C, PPG D, composite catalyst, foam stabilization Agent, water, crosslinking/chain extender are put into stirred tank successively by weight, are sufficiently mixed under normal temperature uniformly, are obtained component A；
    （2）Component A and component B are mixed at 22 ~ 26 DEG C by weight, pours into mould and reacts, die temperance control is 45 ~ 55 DEG C, molded after curing 4 ~ 5min, take out exemplar, obtain flame retardant type flatulence memory foam.
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CN109943060A (en) * 2019-03-26 2019-06-28 东莞市佳雅汽车座椅有限公司 A kind of seat soft foam sponge and preparation method thereof
CN110305289B (en) * 2019-07-29 2021-08-31 福建大方睡眠科技股份有限公司 Non-yellowing polyurethane memory cotton and preparation method thereof
CN110305289A (en) * 2019-07-29 2019-10-08 福建大方睡眠科技股份有限公司 A kind of non yellowing polyurethane memory cotton and preparation method thereof
CN111217538B (en) * 2020-01-16 2022-10-11 恒基(中国)投资有限公司 Self-foaming strippable protective coating and preparation and application methods thereof
CN111217538A (en) * 2020-01-16 2020-06-02 恒基(中国)投资有限公司 Self-foaming strippable protective coating and preparation and application methods thereof
CN111363118A (en) * 2020-03-31 2020-07-03 上海元弘新材料科技有限公司 Soft polyurethane foam damping material
CN111363118B (en) * 2020-03-31 2022-07-15 上海元弘新材料科技有限公司 Soft polyurethane foam damping material
CN111607061A (en) * 2020-04-15 2020-09-01 黎明化工研究设计院有限责任公司 Flame retardant-free high-flame-retardance low-odor full-water self-skinning polyurethane foam and preparation method thereof
CN112778482A (en) * 2020-12-30 2021-05-11 江苏奥斯佳材料科技股份有限公司 Polyurethane rigid foam composition, polyurethane rigid foam material and preparation method thereof
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CN113174028A (en) * 2021-05-25 2021-07-27 成都科大博创科技有限公司 Full-water foaming polyurethane foam and preparation method and application thereof
CN113174028B (en) * 2021-05-25 2023-08-29 成都科大博创科技有限公司 All-water foaming polyurethane foam and preparation method and application thereof
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