CN108752622A - A kind of foamed products and preparation method thereof replacing foaming agent with air - Google Patents
A kind of foamed products and preparation method thereof replacing foaming agent with air Download PDFInfo
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- CN108752622A CN108752622A CN201810521721.5A CN201810521721A CN108752622A CN 108752622 A CN108752622 A CN 108752622A CN 201810521721 A CN201810521721 A CN 201810521721A CN 108752622 A CN108752622 A CN 108752622A
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- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
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- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
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Abstract
The present invention relates to a kind of foamed products and preparation method thereof replacing foaming agent with air, belong to Material Field.Preparation method includes the following steps：Foaming material pending is placed in air foaming mould, the pressure being passed through in air to air foaming mould into air foaming mould under conditions of 135-145 DEG C is 11.5-13MPa, is foamed, and pressure releasing die sinking obtains foamed products.Above-mentioned preparation method is simple, and process is easily-controllable, without using foaming agent, directly replaces foaming agent, safety and environmental protection with air.The foamed products being prepared are non-toxic and tasteless, safe to use, and performance is preferable.
Description
Technical field
The present invention relates to Material Fields, and more particularly to a kind of air replaces foamed products and its preparation side of foaming agent
Method.
Background technology
The Plastic Rubber Products come out with foaming agent foam nearly all at present have different degrees of bad smell or formamide
Exceeded problem exists.And some foaming agents (sodium bicarbonate) will produce a large amount of carbon dioxide, foaming agent itself after disassembly
There are problems that environmental pollution during production.
Invention content
One of the objects of the present invention is to provide a kind of preparation method of the foamed products with air substitution foaming agent, the systems
Preparation Method is simple, and process is easily-controllable, without using foaming agent, directly replaces foaming agent, safety and environmental protection with air.
The second object of the present invention is to provide a kind of replacing foaming agent by what above-mentioned preparation method was prepared with air
Foamed products, the foamed products are non-toxic and tasteless, safe to use, and performance is preferable.
The present invention solves its technical problem using following technical scheme to realize：
The present invention proposes a kind of preparation method for the foamed products replacing foaming agent with air, includes the following steps：It will wait for
Foamed material is placed in air foaming mould, and being passed through air to air into air foaming mould under conditions of 135-145 DEG C foams
Pressure in mould is 11.5-13MPa, is foamed, and pressure releasing die sinking obtains foamed products.
Preferably, the pressure being passed through in air to air foaming mould into air foaming mould under conditions of 140 DEG C is
12MPa。
The present invention also proposes a kind of foamed products replacing foaming agent with air, is prepared by above-mentioned preparation method.
The beneficial effect of the foamed products for replacing foaming agent with air that present pre-ferred embodiments provide and preparation method thereof
Fruit includes：
The preparation method for the foamed products with air substitution foaming agent that present pre-ferred embodiments provide is by using sky
Gas replaces foaming agent in the prior art, and the reticular structure of plastic cement or rubber is supportted greatly, to reach foaming effect, the modeling after foaming
Glue or rubber are expanded in appropriate range.Through above-mentioned air foam forms, on the one hand can avoid sending out in the prior art
Great amount of carbon dioxide is generated after infusion foaming, pollutes environment, foamed products on the other hand can be made not have bad smell, formamide
Content is qualified, non-toxic and tasteless and equally have preferable mechanical property.The foamed products being prepared by this method are non-toxic and tasteless,
Safe to use, performance is preferable.
Specific implementation mode
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, builds according to normal condition or manufacturer
The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase
Product.
The foamed products and preparation method thereof of foaming agent are replaced to carry out specifically with air the embodiment of the present invention below
It is bright.
It is provided in an embodiment of the present invention to replace the preparation method of the foamed products of foaming agent to include the following steps with air：It will
In foaming material merging air foaming mould pending, air is passed through to air hair into air foaming mould under conditions of 135-145 DEG C
It is 11.5-13MPa to steep the pressure in mould, is foamed, and pressure releasing die sinking obtains foamed products.
Preferably, the pressure being passed through in air to air foaming mould into air foaming mould under conditions of 140 DEG C is
12MPa.Above-mentioned temperature and pressure matching requirements further aspect are conducive to improve foam performance, improve the quantity of small-bore abscess,
Foamed products surface layer and internal thickness proportion are balanced, to obtain preferable mechanical property；On the other hand can reduce flash and
Stress extends die life.
In foaming process air foaming mould is lockked with sealing device.It can refer to, sealing device may include hydraulic press.It is logical
It crosses after being passed through air to specified pressure into air foaming mould, and under the conditions of the locking of hydraulic press, air can be made to be formed super
Critical condition is injected after die cavity under the action of gas diffusion internal pressure, and it is that ten a few to tens of are micro- to make foamed products intermediate distribution size
The closed porosity foaming of rice.
Ground is can refer to, foamed time is by the thickness gauge of foamed products in the embodiment of the present invention, the target foaming production per 1mm thickness
The foamed time of product is 8-12min.Preferably, the foamed time of the target foamed products per 1mm thickness is 10min.By with mesh
The thickness of foamed products is marked to determine foamed time, specific aim setting can be carried out to different foamed products.Also, according to above-mentioned hair
The bubble time, which can effectively avoid Material shrinkage in foaming process in the prior art, causes foaming product surface to occur shrinking trace, vortex line
Or phenomena such as pit.
Foaming effect can be caused poor it is worth noting that foamed time is too short, foamed phenomena such as incomplete, and foamed time
It can lead to the possibility for occurring and steeping after long, reduce foaming effect instead.
Foaming agent in the prior art is replaced by using air in the embodiment of the present invention, by plastic cement or the netted knot of rubber
Structure support is big, and to reach foaming effect, plastic cement or rubber after foaming are expanded in appropriate range.It foams through above-mentioned air
Form generates great amount of carbon dioxide after on the one hand capable of avoiding foaming agent foam in the prior art, pollutes environment, another aspect energy
Foamed products are made not have bad smell, formamide content is qualified, non-toxic and tasteless and equally have preferable mechanical property.
Ground is can refer to, the foaming material pending in the embodiment of the present invention can be obtained through following steps：Mixed raw material, in mixer
Middle mixing, slice or granulation, obtain initial material；Vulcanization or crosslinking initial material, it is cooling, obtain foaming material pending.
Raw material includes at least one of the raw material of rubber and the raw material of plastic cement.
For example, raw material may include：
1, the EVA (ethylene-vinyl acetate copolymer) of 90-110 parts by weight, 20-40 parts by weight calcium carbonate and 0.8-
BIPB (dual-tert-butyl dicumyl peroxide) crosslinking agent of 1.2 parts by weight.Preferably, can be 100 parts by weight EVA,
The BIPB crosslinking agents of the calcium carbonate of 30 parts by weight and 1 parts by weight.
2, the BIPB of the PE (polyethylene) of 90-110 parts by weight, the calcium carbonate of 20-40 parts by weight and 0.8-1.2 parts by weight are handed over
Join agent.Preferably, can be the BIPB crosslinking agents of the PE of 100 parts by weight, the calcium carbonate of 30 parts by weight and 1 parts by weight.
3, the calcium carbonate and 0.8-1.2 parts by weight of PE, 20-40 parts by weight of EVA, 40-60 parts by weight of 40-60 parts by weight
BIPB crosslinking agents.Preferably, it can be the EVA of 50 parts by weight, the PE of 50 parts by weight, the calcium carbonate of 30 parts by weight and 1 weight
The BIPB crosslinking agents of part.
4, the SBR-1502 (butadiene-styrene rubber 1502) of 20-40 parts by weight, 40-60 parts by weight NR-3L (natural rubbers-
3L), the EPDM (ethylene propylene diene rubber), the calcium carbonate of 40-60 parts by weight of 15-25 parts by weight, 15-25 parts by weight carclazyte,
M, 0.8-1.2 parts by weight of the stearic acid of 0.8-1.2 parts by weight, the zinc oxide of 1.5-2.5 parts by weight, 0.2-0.4 parts by weight
The DOP (dioctyl phthalate) of DM, 40-60 parts by weight and S of 1.8-2.2 parts by weight.
Preferably, it can be the SBR-1502 of 30 parts by weight, the NR-3L of 50 parts by weight, the EPDM of 20 parts by weight, 50 weight
The calcium carbonate of part, the carclazyte of 20 parts by weight, the stearic acid of 1 parts by weight, the zinc oxide of 2 parts by weight, the M of 0.3 parts by weight, 1 weight
The DM, the DOP of 50 parts by weight and the S of 2 parts by weight of part.
By said ratio mixed raw material, it is kneaded in mixer so that each raw material is uniformly mixed, obtains batch mixing glue.It can refer to
Ground, temperature control for example can be at 80-100 DEG C, under the temperature range in mixing process, and the invasion that sizing material is not easily susceptible to oxygen generate
Chain rupture, to be conducive to make sizing material that there is preferable breaking strength.
Slice or granulation, obtain initial material after mixing.Above-mentioned initial material is vulcanized or is crosslinked, for example, can in vulcanizer into
Row.It is worth noting that vulcanization and crosslinking are substantially identical in the embodiment of the present invention, sulphur is mainly referred to as in the preparation of rubber raw materials
Change, it is corresponding, mainly it is referred to as in the preparation of plastic material and is crosslinked.By the step, the macromolecule in foaming material pending is made to pass through
Crosslinking or sulfurization form tridimensional network, so that foaming material pending has certain intensity and elasticity, it is wear-resisting to improve its
Property and anti-swelling.
Optionally, vulcanization or crosslinked temperature can be 150-170 DEG C.Preferably, vulcanization or crosslinked temperature are
160℃.Above-mentioned vulcanization or crosslinking temperature can make foaming material pending have the cross-linked structure for being suitable for air foaming.Vulcanization is handed over
It is excessively high to join temperature, after especially more than 180 DEG C, rubber or plastic cement strand can be caused to crack, reduce the mechanical property of sizing material,
Secondary, when material thickness to be foamed is thicker, excessively high crosslinking or curing temperature can also make the material inside and outside temperature difference to be foamed larger, sulphur
Change or is crosslinked uneven.Conversely, vulcanization or crosslinking temperature are too low, at especially less than 140 DEG C, can cause to vulcanize or be crosslinked not fill
Point, tridimensional network is insecure in foaming material pending.
Preferably, the thickness gauge of required foaming material pending is pressed in the vulcanization or crosslinked time in the embodiment of the present invention, often
The vulcanization of the foaming material pending of 10mm thickness or crosslinked time are 10-15min.Vulcanization or crosslinking time are set according to thickness,
It can be carried out targetedly vulcanizing or being crosslinked according to different foaming materials pending, so that different foaming materials pending all has preferably
Structure and performance with air foaming process to match.
Further, further include cooling after vulcanizing or be crosslinked.It is cooling to be mainly cooled to room temperature foaming material pending, such as
10-30℃.Cooling time can be controlled in 20-26h.By cooling, can avoid causing in air foaming process due to cooling deficiency
It is middle that there is a situation where gases to burst.
Further, by foaming material merging air foaming foam-in-mould pending after cooling.
The foamed products being prepared through preparation method provided in an embodiment of the present invention can be applied to footwear material, sports goods,
The fields such as automobile, rail traffic, electronics or space flight and aviation.
The feature and performance of the present invention are described in further detail with reference to embodiments.
Embodiment 1
Mixed raw material is kneaded in mixer with 80 DEG C of temperature, and then slice or granulation, obtain initial material.In 150 DEG C
Under conditions of vulcanize or crosslinking initial material, vulcanization or crosslinking time press the thickness gauge of required foaming material pending, thick per 10mm to wait for
The vulcanization of foamed material or crosslinked time are 10min.Then 20h is cooled down to room temperature, obtains foaming material pending.
Wherein, raw material contains the BIPB crosslinking agents of the EVA of 90 parts by weight, the calcium carbonate of 20 parts by weight and 0.8 parts by weight.
Foaming material pending is placed in air foaming mould, air is passed through extremely into air foaming mould under conditions of 135 DEG C
Pressure in air foaming mould is 11.5MPa, foaming.Foamed time presses the thickness gauge of required foamed products, per the hair of 1mm thickness
The foamed time for steeping product is 8min.After the completion of foaming, pressure releasing die sinking, the foamed products of handy air substitution foaming agent.
Embodiment 2
Mixed raw material is kneaded in mixer with 100 DEG C of temperature, and then slice or granulation, obtain initial material.In 170
Vulcanizing or be crosslinked initial material under conditions of DEG C, vulcanization or crosslinking time press the thickness gauge of required foaming material pending, thick per 10mm
The vulcanization of foaming material pending or crosslinked time are 15min.Then 26h is cooled down to room temperature, obtains foaming material pending.
Wherein, raw material contains the BIPB crosslinking agents of the EVA of 110 parts by weight, the calcium carbonate of 40 parts by weight and 1.2 parts by weight.
Foaming material pending is placed in air foaming mould, air is passed through extremely into air foaming mould under conditions of 145 DEG C
Pressure in air foaming mould is 13MPa, foaming.Foamed time presses the thickness gauge of required foamed products, and thick per 1mm is required
The foamed time of foamed products is 12min.After the completion of foaming, pressure releasing die sinking, the foamed products of handy air substitution foaming agent.
Embodiment 3
Mixed raw material is kneaded in mixer with 90 DEG C of temperature, and then slice or granulation, obtain initial material.In 160 DEG C
Under conditions of vulcanize or crosslinking initial material, vulcanization or crosslinking time press the thickness gauge of required foaming material pending, thick per 10mm to wait for
The vulcanization of foamed material or crosslinked time are 12.5min.Then it cools down for 24 hours to room temperature, obtains foaming material pending.
Wherein, raw material contains the BIPB crosslinking agents of the EVA of 100 parts by weight, the calcium carbonate of 30 parts by weight and 1 parts by weight.
Foaming material pending is placed in air foaming mould, air is passed through extremely into air foaming mould under conditions of 140 DEG C
Pressure in air foaming mould is 12MPa, foaming.Foamed time presses the thickness gauge of required foamed products, and thick per 1mm is required
The foamed time of foamed products is 10min.After the completion of foaming, pressure releasing die sinking, the foamed products of handy air substitution foaming agent.
Embodiment 4
The present embodiment and embodiment 1 difference lies in：
Raw material contains the BIPB crosslinking agents of the PE of 90 parts by weight, the calcium carbonate of 20 parts by weight and 0.8 parts by weight.
Embodiment 5
The present embodiment and embodiment 1 difference lies in：
Raw material contains the BIPB of the EVA of 40 parts by weight, the PE of 40 parts by weight, the calcium carbonate of 20 parts by weight and 0.8 parts by weight
Crosslinking agent.
Embodiment 6
The present embodiment and embodiment 1 difference lies in：
Raw material contains the SBR-1502 of 20 parts by weight, the NR-3L of 40 parts by weight, the EPDM of 15 parts by weight, 40 parts by weight
Calcium carbonate, the carclazyte of 15 parts by weight, the stearic acid of 0.8 parts by weight, the zinc oxide of 1.5 parts by weight, the M of 0.2 parts by weight, 0.8 weight
Measure the DM, the DOP of 40 parts by weight and the S of 1.8 parts by weight of part.
Embodiment 7
The present embodiment the difference from example 2 is that：
Raw material contains the BIPB crosslinking agents of the PE of 110 parts by weight, the calcium carbonate of 40 parts by weight and 1.2 parts by weight.
Embodiment 8
The present embodiment the difference from example 2 is that：
Raw material contains the BIPB of the EVA of 60 parts by weight, the PE of 60 parts by weight, the calcium carbonate of 40 parts by weight and 1.2 parts by weight
Crosslinking agent.
Embodiment 9
The present embodiment the difference from example 2 is that：
Raw material contains the SBR-1502 of 40 parts by weight, the NR-3L of 60 parts by weight, the EPDM of 25 parts by weight, 60 parts by weight
Calcium carbonate, the carclazyte of 25 parts by weight, the stearic acid of 1.2 parts by weight, the zinc oxide of 2.5 parts by weight, the M of 0.4 parts by weight, 1.2 weights
Measure the DM, the DOP of 60 parts by weight and the S of 2.2 parts by weight of part.
Embodiment 10
The present embodiment and embodiment 3 difference lies in：
Raw material contains the BIPB crosslinking agents of the PE of 100 parts by weight, the calcium carbonate of 30 parts by weight and 1 parts by weight.
Embodiment 11
The present embodiment and embodiment 3 difference lies in：
The BIPB that raw material contains the EVA of 50 parts by weight, the PE of 50 parts by weight, the calcium carbonate of 30 parts by weight and 1 parts by weight is handed over
Join agent.
Embodiment 12
The present embodiment and embodiment 3 difference lies in：
Raw material contains the SBR-1502 of 30 parts by weight, the NR-3L of 50 parts by weight, the EPDM of 20 parts by weight, 50 parts by weight
Calcium carbonate, the carclazyte of 20 parts by weight, the stearic acid of 1 parts by weight, the zinc oxide of 2 parts by weight, the M of 0.3 parts by weight, 1 parts by weight
The S of DM, the DOP of 50 parts by weight and 2 parts by weight.
Test example
It repeats to implement above-described embodiment 1-12, obtains enough foamed products for replacing foaming agent with air.
By taking embodiment 3, embodiment 6 and embodiment 12 as an example, respectively to the foaming for replacing foaming agent with air obtained by it
Product is tested for the property, and the results are shown in Table 1.
1 results of property of table
As can be seen from Table 1, there is preferable power by the foamed products that the preparation method of the embodiment of the present invention is prepared
Learn performance.
In addition, setting control group 1-6, control group 1-3 distinguish corresponding embodiment 3, embodiment 6 and embodiment 12 successively, it is right
130 DEG C are below according to the blowing temperature in group 1-3, control group 4-6 also distinguishes corresponding embodiment 3, embodiment 6 and embodiment successively
Blowing temperature in 12, control group 4-6 is higher than 150 DEG C.It is the results show that the mechanical property of the foamed products of control group 1-6 is equal
It is worse compared with embodiment 3, embodiment 6 and embodiment 12.
Control group 7-12 is set, and control group 7-9 distinguishes corresponding embodiment 3, embodiment 6 and embodiment 12, control group successively
Pressure in 7-9 in air foaming mould is below 10 DEG C, and control group 10-12 also distinguishes corresponding embodiment 3,6 and of embodiment successively
Embodiment 12, the pressure in control group 10-12 in air foaming mould are above 15MPa.Itself the results show that control group 7-12 hair
The mechanical property for steeping product is worse compared with embodiment 3, embodiment 6 and embodiment 12.
Setting control group 13-18, control group 13-15 and control group 16-18 are respectively corresponding in turn to embodiment 3, embodiment 6
With embodiment 12.Blowing temperature is with control group 1 in control group 13, and the pressure in air foaming mould is the same as control group 7；In control group 14
Blowing temperature is with control group 2, and the pressure in air foaming mould is the same as control group 8；Blowing temperature is empty with control group 3 in control group 15
Pressure in gas foaming mould is the same as control group 9；Blowing temperature is with control group 4 in control group 16, and the pressure in air foaming mould is the same as right
According to group 10；Blowing temperature is with control group 5 in control group 17, and the pressure in air foaming mould is the same as control group 11；It is sent out in control group 18
Temperature is steeped with control group 6, and the pressure in air foaming mould is the same as control group 12.Itself the results show that control group 13-18 foamed products
Mechanical property it is either clearly worse compared with embodiment 3, embodiment 6 and embodiment 12, or compared with control group 1-12, and its power
Performance is learned respectively well below control group 1-12.
It is possible thereby to illustrate blowing temperature in preparation process provided in an embodiment of the present invention and pressure to foamed products
Mechanical property has larger impact, is conducive to obtain the preferable foamed products of performance.
In addition, by taking embodiment 12 as an example, control group 19-21 is set, the wherein foamed time of control group 19 is thick per 1mm
The foamed time of target foamed products is 5min, and the foamed time of control group 20 is the foaming per the target foamed products of 1mm thickness
Time is 15min, and the foamed time of control group 20 does not consider that the thickness of target foamed products, foamed time amount to 10min.Respectively
The foamed products of gained are tested for the property, the results show that the comprehensive mechanical property of the foamed products obtained by control group 19-21
Worse compared with embodiment 12, the comprehensive mechanical property of wherein control group 21 is worst.Illustrate preparation work provided in an embodiment of the present invention
Foamed time in skill has larger impact to the mechanical property of foamed products, is conducive to obtain the preferable foamed products of performance.
In conclusion provided in an embodiment of the present invention replace the preparation method of the foamed products of foaming agent simple with air,
Process is easily-controllable, without using foaming agent, directly replaces foaming agent, safety and environmental protection with air.Thus obtained foamed products are nontoxic
Tasteless, safe to use, performance is preferable.
Embodiments described above is a part of the embodiment of the present invention, instead of all the embodiments.The reality of the present invention
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
Claims (10)
1. a kind of preparation method of foamed products with air substitution foaming agent, includes the following steps：Foaming material pending is placed in
In air foaming mould, it is passed through in air to the air foaming mould into the air foaming mould under conditions of 135-145 DEG C
Pressure be 11.5-13MPa, foaming, pressure releasing die sinking obtains foamed products；
Preferably, the pressure being passed through into the air foaming mould under conditions of 140 DEG C in air to the air foaming mould
For 12MPa.
2. preparation method according to claim 1, which is characterized in that foamed time presses the thickness gauge of the foamed products,
The foamed time of the foamed products per 1mm thickness is 8-12min；
Preferably, the foamed time of the foamed products per 1mm thickness is 10min.
3. preparation method according to claim 1, which is characterized in that lock the air with sealing device in foaming process
Foaming mould；
Preferably, the sealing device includes hydraulic press.
4. preparation method according to claim 1, which is characterized in that the foaming material pending is obtained through following steps：It is mixed
Raw material is closed, is kneaded in mixer, slice or granulation obtain initial material；Vulcanize or be crosslinked the initial material, it is cooling, it obtains described to be foamed
Material；
The raw material includes at least one of the raw material of rubber and the raw material of plastic cement.
5. preparation method according to claim 4, which is characterized in that vulcanize or crosslinked temperature is 150-170 DEG C；
Preferably, vulcanization or crosslinked temperature are 160 DEG C.
6. preparation method according to claim 4, which is characterized in that vulcanization or crosslinked time press the foaming material pending
Thickness gauge, the vulcanization of the foaming material pending per 10mm thickness or crosslinked time are 10-15min.
7. preparation method according to claim 4, which is characterized in that count in parts by weight, the raw material includes 90-110
The BIPB crosslinking agents of the EVA of parts by weight or the calcium carbonate of PE, 20-40 parts by weight and 0.8-1.2 parts by weight.
8. preparation method according to claim 4, which is characterized in that count in parts by weight, the raw material includes 40-60 weights
Measure the BIPB crosslinking agents of the calcium carbonate and 0.8-1.2 parts by weight of PE, 20-40 parts by weight of EVA, 40-60 parts by weight of part.
9. preparation method according to claim 4, which is characterized in that count in parts by weight, the raw material includes 20-40 weights
Measure calcium carbonate, the 15-25 of EPDM, 40-60 parts by weight of NR-3L, 15-25 parts by weight of SBR-1502,40-60 parts by weight of part
The carclazyte of parts by weight, the stearic acid of 0.8-1.2 parts by weight, the zinc oxide of 1.5-2.5 parts by weight, 0.2-0.4 parts by weight M,
The S of the DOP and 1.8-2.2 parts by weight of DM, 40-60 parts by weight of 0.8-1.2 parts by weight.
10. a kind of foamed products replacing foaming agent with air, which is characterized in that the foamed products are by such as claim 1-9
Any preparation method is prepared.
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|---|---|---|---|---|
| CN113388234A (en) * | 2021-06-10 | 2021-09-14 | 滁州新佳诚模具制造有限公司 | Foaming product with air replacing foaming agent and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61213128A (en) * | 1985-03-19 | 1986-09-22 | Dainichi Nippon Cables Ltd | Adhesive method of crosslinked polyolefin article |
| CN102229709A (en) * | 2011-05-16 | 2011-11-02 | 四川大学 | Nontoxic, odorless and recoverable environmentally-friendly polyurethane foaming material and preparation method thereof |
| CN103113651A (en) * | 2013-01-25 | 2013-05-22 | 安徽省长城汽车内饰件有限责任公司 | Method for producing high-foaming EPE pearl wool by use of carbon dioxide foaming agent |
| CN107200872A (en) * | 2016-03-16 | 2017-09-26 | 青岛科技大学 | A kind of wear-resisting microcellular foam material |
| CN107200889A (en) * | 2016-03-16 | 2017-09-26 | 青岛科技大学 | A kind of neoprene microcellular foam material and preparation method thereof |
-
2018
- 2018-05-28 CN CN201810521721.5A patent/CN108752622B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61213128A (en) * | 1985-03-19 | 1986-09-22 | Dainichi Nippon Cables Ltd | Adhesive method of crosslinked polyolefin article |
| CN102229709A (en) * | 2011-05-16 | 2011-11-02 | 四川大学 | Nontoxic, odorless and recoverable environmentally-friendly polyurethane foaming material and preparation method thereof |
| CN103113651A (en) * | 2013-01-25 | 2013-05-22 | 安徽省长城汽车内饰件有限责任公司 | Method for producing high-foaming EPE pearl wool by use of carbon dioxide foaming agent |
| CN107200872A (en) * | 2016-03-16 | 2017-09-26 | 青岛科技大学 | A kind of wear-resisting microcellular foam material |
| CN107200889A (en) * | 2016-03-16 | 2017-09-26 | 青岛科技大学 | A kind of neoprene microcellular foam material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 谭艳雄: "微孔泡沫注塑成型", 《塑料制造》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113388234A (en) * | 2021-06-10 | 2021-09-14 | 滁州新佳诚模具制造有限公司 | Foaming product with air replacing foaming agent and preparation method thereof |
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