CN105885078A - Environment-friendly foaming agent with low-formaldehyde decomposition product and technology and active additive thereof - Google Patents
Environment-friendly foaming agent with low-formaldehyde decomposition product and technology and active additive thereof Download PDFInfo
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- CN105885078A CN105885078A CN201610390592.1A CN201610390592A CN105885078A CN 105885078 A CN105885078 A CN 105885078A CN 201610390592 A CN201610390592 A CN 201610390592A CN 105885078 A CN105885078 A CN 105885078A
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- foaming agent
- coagent
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- zinc
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
Abstract
The invention provides an environment-friendly foaming agent with a low-formaldehyde decomposition product. The foaming agent is prepared from 40-80 parts of an AC foaming agent, 13-40 parts of an active additive, 1-10 parts of a decomposition control agent and 6-20 parts of a formamide removing agent in a mixed mode. The active additive is the mixture of active additives A, B and C. The active additive A is zinc oxide, zinc stearate and other zinc compounds. The active additive B is surface treated urea or thiourea. The active additive C is the combination of one or more of triethanolamine, pentaerythritol and glycerinum. The invention further provides the active additive of the environment-friendly foaming agent with the low-formaldehyde decomposition product and the technology of the environment-friendly foaming agent with the low-formaldehyde decomposition product. According to the prepared environment-friendly foaming agent with the low-formaldehyde decomposition product, the cost is low, high gas generation amount can be kept, the curing and molding speed of a finished product is not affected, the decomposition temperature is low, the decomposition product completely contains no formaldehyde, the decomposition product basically contains no formamide, and the requirements of the market for finished product quality can be met.
Description
Technical field
The present invention is Application No. 201410104864.8, filing date on March 20th, 2014,
The divisional application of the application for a patent for invention of entitled " a kind of low-temperature environment-friendly foaming agent ".The present invention
Belong to CBA field, especially a kind of low-temperature environment-friendly foaming agent.
Background technology
AC foaming agent is that a kind of gas forming amount is big, superior performance, broad-spectrum foaming agent.AC
The chemical name of foaming agent is azodicarbonamide, and it is widely used in various synthetic material, its
Application spread all over slippers, sole, shoe pad, plastic wallpaper, ceiling, flooring laminate, artificial leather,
The industries such as thermal insulation, deadener.Further, there is stable performance due to AC foaming agent, be difficult to
Fire, do not pollute, nonpoisonous and tasteless, mould is not corroded goods are not dyeed, decomposition temperature is adjustable
Saving, do not affect the features such as solidification and shaping speed, it has broad application prospects.
Although AC foaming agent is of many uses, but, existing AC foaming agent (azo diformazan
Amide) have a disadvantage in that (1) AC foaming agent decomposition temperature at 200～208 DEG C, even if
The activator such as zinc oxide, zinc carbonate composition compound foaming agent is added in AC foaming agent, multiple
The decomposition temperature of mould assembly foaming agent is also more than 155 DEG C, and decomposition temperature is high；(2) due to AC
The decomposition reaction of foaming agent is a violent exothermic reaction, adds and is caused by zinc compound
The decomposition reaction of AC foaming agent is the quickest so that decomposition caused heat release is excessively concentrated, decomposition course
Uncontrollable, it is easily caused the generation of secondary response, produces some poisonous, noxious products, such as
AC foaming agent can produce noxious substance-Methanamide when decomposing at a temperature of higher than 160 DEG C, sternly
Ghost image rings the healthy of user.Methanamide in foaming product is contained by the western countries such as European Union
Amount proposes high requirement (requiring that in goods, formamide content is less than 10ppm), and uses common
In the foaming product that AC foaming agent prepares, Methanamide yield is generally 150～500ppm, the most sternly
Ghost image rings and governs the export trade of China.
At present, for above-mentioned shortcoming (1), it is multiple that home and abroad has been developed for a kind of AC
Closing modified production of low-temperature foaming agent, main material is that AC foaming agent (azodicarbonamide), H send out
Infusion (dinitrosopentamethlyene tetramine), carbamide fat.Although, this AC is composite modified low
The decomposition temperature of temperature foaming agent is 125～135 DEG C, but, owing to this product contains H foaming
Agent, H foaming agent can produce another kind of noxious substance-formaldehyde when decomposing, and therefore, H foams
Agent is also listed in the row of disabling chemicals by American-European countries.For above-mentioned shortcoming (2), domestic,
All researching and solving way outward, but, also there is not breakthrough.
Summary of the invention
It is desirable to provide a kind of low formaldehyde of catabolite that can solve the problem that above-mentioned technical problem
Environment-friendly foaming agent, the low-temperature environment-friendly foaming agent that this decomposition temperature is low, its catabolite is the most not
Containing formaldehyde, and, catabolite is also essentially free of Methanamide.
The environment-friendly foaming agent of the low formaldehyde of a kind of catabolite, takes AC foaming agent 40～80 parts, work
Property auxiliary agent 13～40 parts, decompose controlling agent 1～10 parts and Methanamide remover 6～20 parts of mixing and
Becoming, wherein, coagent is the mixture of coagent A, B and C three, coagent
A is to toluenesulfinic acid zinc, benzenesulfinic acid zinc, p-methyl benzenesulfonic acid zinc, ZINC P-PHENOLSULFONATE, Fructus Citri Limoniae
A kind of or several combination in acid zinc, zinc lactate and zinc stearate, coagent B is for using
Any one or the several carbamide carrying out surface process in monoglyceride, stearic acid and oleic acid
Or thiourea, coagent C is the one in triethanolamine, tetramethylolmethane and glycerol or several
Combination；Decomposition controlling agent be hexamethylenetetramine, sodium nitrilo triacetate, nitrilotriacetic acid and
A kind of or several combination in sodium ethylene diamine tetracetate；Methanamide remover is malonic acid two
A kind of or several group in ethyl ester, magnesium oxide, magnesium hydroxide, calcium oxide and calcium hydroxide
Close.
The mass ratio of coagent A, B, C is: 1～1.5:4:1～1.5.
Described AC foaming agent, coagent, decomposition controlling agent and Methanamide remover are average
Particle diameter is the fine grained of 3～5 microns.
The coagent of the environment-friendly foaming agent of the low formaldehyde of a kind of catabolite, described coagent is
The mixture of coagent A, B and C three, coagent A be to toluenesulfinic acid zinc,
Benzenesulfinic acid zinc, p-methyl benzenesulfonic acid zinc, ZINC P-PHENOLSULFONATE, zinc citrate, zinc lactate and stearic acid
A kind of or several combination in zinc, coagent B is for using monoglyceride, stearic acid and oil
Any one or the several carbamide carrying out surface process in acid or thiourea, coagent C
For a kind of or several combination in triethanolamine, tetramethylolmethane and glycerol.
The mass ratio of described coagent A, B, C is: 1～1.5:4:1～1.5.
The Advantageous Effects of the present invention is:
(1) generally by adding the zinc compounds such as zinc oxide, zinc stearate in prior art
Reducing AC foaming agent decomposition temperature, its decomposition temperature is typically more than 155 DEG C, and the present invention
By the selection to coagent so that the decomposition temperature of AC foaming agent is reduced to 135 DEG C of left sides
The right side, and, the catabolite of coagent is entirely free of formaldehyde；
(2) present invention decomposes controlling agent slow down the decomposition rate of AC by adding, and makes point
Solving reaction and become mild, heat release is uniform, prevents that local temperature is too high causes a series of secondary response
Generation, thus, reduce poisonous and harmful substances (i.e. Methanamide) generation, meanwhile, this
Invention use decomposition controlling agent be that itself is nontoxic, harmless, and, its catabolite also without
The chemical substance that poison is harmless；
(3) it is to reduce the poisonous and harmful substance in catabolite further, it is ensured that goods of firing
Nontoxic, the present invention by adding some Methanamide removers, and, the present invention is by right
Methanamide remover selects so that Methanamide remover can react with Methanamide,
Thus reach to eliminate the purpose of Methanamide, simultaneously, it is ensured that Methanamide remover itself and formyl
Amine remover and the product of Methanamide are all to human non-toxic, harmless；
(4) the present inventor is through testing many times, it is thus achieved that AC foaming agent, coagent,
Decompose controlling agent, the preferable parameter assembled scheme of Methanamide remover deal so that final
The low-temperature environment-friendly that can obtain high gas forming amount, low decomposition temperature, zero formaldehyde and the discharge of low Methanamide is sent out
Infusion.
The technique of the environment-friendly foaming agent of the low formaldehyde of a kind of catabolite, comprises the following steps:
(1) control according to the AC foaming agent described in claim 1, coagent, decomposition
Agent, the deal of Methanamide remover, mix；
(2) comminuting matter；
(3) 300～450 mesh are used to sieve；
(4) grinding screen fine grained after thick is carried out secondary mixing, obtain environment-friendly foaming agent and produce
Product.
A kind of technique of the environment-friendly foaming agent of the low formaldehyde of catabolite, AC as described above
Foaming agent, coagent, decomposition controlling agent, the deal of Methanamide remover, obtain after mixing
Environment-friendly foaming agent product.
The technique of the environment-friendly foaming agent of the low formaldehyde of catabolite of the present invention have employed secondary mixing,
The uniformity of obtained low-temperature environment-friendly foaming agent is higher so that each of low-temperature environment-friendly foaming agent
The function of constituent obtains the release of maximum；It addition, the present invention passes through step (2) to thing
Material is pulverized, and is defined the grain diameter after pulverizing so that obtained by the present invention
The grain diameter of low-temperature environment-friendly foaming agent less, improve the direct contact surface of different component
Long-pending, improve the uniformity further.
The mass ratio of coagent A, B, C is preferably: when 1～1.5:4:1～1.5, can drop
Low decomposition temperature is to less than 135 DEG C.
It addition, the cost of the coagent in order to save the present invention, make obtained sending out simultaneously
The decomposition temperature of infusion is minimum, and coagent is preferably added to 20～30 parts.In order to save the present invention
The cost decomposing controlling agent, the amount of Methanamide is down to minimum, meanwhile, keeps suitable point
Solve speed, decompose controlling agent and be preferably added to 3～5 parts.Remove to save the Methanamide of the present invention
The cost of agent, Methanamide remover is preferably added to 5～8 parts.
In specific implementation process, above-mentioned steps (3) preferably employs jet mill to material
Pulverizing, certainly, pulverising step herein may be used without other grinding mode, such as:
Mechanical lapping etc., but, the pulverizing using jet mill is fastest, and, pulverized
Journey is not easy pollute other impurity.
It addition, the pulverising step in above-mentioned steps (2) is preferably crushing material is average to it
It is 3～5 microns that particle diameter is pulverized, and so, can be substantially reduced returning charge rate.
Detailed description of the invention
A kind of environment-friendly foaming agent of the low formaldehyde of catabolite, the low-temperature environment-friendly that this decomposition temperature is low
Foaming agent, its catabolite is zero formaldehyde, by AC foaming agent 40～80 parts, coagent
10～40 parts, decomposition controlling agent 1～10 parts, Methanamide remover 5～20 parts of compositions, wherein,
Coagent is single coagent A or the mixture of coagent A, B, C three,
Coagent A is to toluenesulfinic acid zinc, benzenesulfinic acid zinc, p-methyl benzenesulfonic acid zinc, benzene sulphur
A kind of or several combination in acid zinc, zinc citrate, zinc lactate, zinc stearate, activity
Auxiliary agent B is with any one in monoglyceride, stearic acid, oleic acid or several to carry out surface
The carbamide processed or thiourea, coagent C is in triethanolamine, tetramethylolmethane, glycerol
Kind or several combination；Decomposition controlling agent is hexamethylenetetramine, sodium nitrilo triacetate, nitrogen
A kind of or several combination in river triacetic acid, sodium ethylene diamine tetracetate；Methanamide remover
For the one in diethyl malonate, magnesium oxide, magnesium hydroxide, calcium oxide, calcium hydroxide or
Several combination.
A kind of method preparing above-mentioned low-temperature environment-friendly foaming agent, comprises the following steps:
(1) take AC foaming agent 40～80 parts, coagent 10～40 parts, decompose controlling agent
1～10 part, Methanamide remover 5～20 parts, close uniformly；
(2) use jet mill comminuting matter, crushing material is pulverized to its mean diameter
It it is 3～5 microns；
(3) employing 300～450 mesh sieve to remove and pulverize coarse granule the most completely；
(4) grinding screen fine grained after thick is carried out secondary mixing, obtain low-temperature environment-friendly foaming
Agent product.
Certainly, above-mentioned steps (2) may be used without other grinding mode, such as: mechanical grinding
Mill etc., but, the pulverizing using jet mill is fastest, and, in crushing process not
Easily pollute other impurity.It addition, the pulverising step in above-mentioned steps (2) also can be only by thing
Material is crushed to its mean diameter to be pulverized is more than 5 microns, but, like this, after sieving,
Coarse granule content is big, and returning charge rate is high.
Due to coagent in the formula of the low-temperature environment-friendly foaming agent of the present invention, decompose controlling agent and
All there is substantial amounts of compound mode in Methanamide remover, therefore, embodiments of the invention quantity is many
Many.The applicant has intercepted section Example (embodiment 1～embodiment 22) to prepared low
The index of temperature environment-friendly foaming agent is measured.It addition, in order to embody the present invention coagent,
Decomposing controlling agent and the meaning of Methanamide remover parameter restriction, the applicant additionally provides 8
Comparative example's (contrast 23～contrast 30).Now list embodiments of the invention 1～22 and right
Than 23～30 one-tenth be grouped into and composition number (table 1～2, wherein, table 1 lists each
The deal of AC foaming agent, the constituent of coagent and deal in embodiment；Table 2 arranges
The constituent of controlling agent and deal and the composition of Methanamide are gone out each embodiment decomposes
Composition and deal).
Table 1
Table 2
By measuring the low-temperature environment-friendly foaming agent foaming situation at each temperature section of the present invention, really
Determine the minimum blowing temperature of foaming agent, i.e. lowest decomposition temperature.Meanwhile, by analytical unit time
Interior gas forming amount, calculates decomposition rate.Wherein, the gas forming amount of this patent foaming agent is concrete
Assay method is that the gas forming amount method of testing provided according to rower (HG/T 2097-2008) is carried out
Measure.
Low temperature ring is prepared according to the method preparing low-temperature environment-friendly foaming agent of the present invention
Protect foaming agent, then use this low-temperature environment-friendly foaming agent to carry out pvc material (being called for short " PVC ")
Injection moulding application test.
PVC moulded from foam technique: weighed material by formula, puts into banburying 15 in banbury
Minute, then on opening rubber mixing machine, about 80 DEG C mills are in blocks, cut-parts weigh 90 grams of sizing materials,
Put in vulcanizing press 140 DEG C, foam 10 minutes, cool down one hour after depanning, survey
Determine the content of Methanamide and formaldehyde.
Now list embodiments of the invention 1～22 and the result of the test of contrast 23～30 (be shown in Table
3):
Table 3
From the embodiment 1～22 in table 3, the low-temperature environment-friendly foaming agent of the present invention is can be by
In the case of lowest decomposition temperature is down to 128～140 DEG C, decomposition rate also can be delayed to 0.61
ML/ (g min), thus, reduce formamide content and (meet European Union to formulate to below 9.5ppm
Foaming product in formamide content less than the standard of 10ppm), meanwhile, keep height to get angry
Measure (159～179mL/g) and do not produce formaldehyde.Further, when coagent is 20～30 parts,
The lowest decomposition temperature of low-temperature environment-friendly foaming agent sees the floor level that can maintain 129～133 DEG C；
When decomposing controlling agent and being 3～5 parts, the amount of Methanamide can be maintained≤the level of 4.5ppm.
It addition, right from the embodiment 7,8,11 and 12 of table 1,2,3 and other embodiments
Ratio can be seen that, when the mass ratio of coagent A, B, C is: when 1～1.5:4:1～1.5；
Also decomposition temperature can be reduced to less than 135 DEG C.
Can be seen that, when the deal of AC foaming agent from the contrast 26 of table 1,2,3, contrast 27
Time higher, decomposition temperature is still above 160 DEG C, formamide content is higher than 10ppm, it is impossible to full
The foot market requirement to product quality；When the deal of AC foaming agent is on the low side, although decompose temperature
Degree, formamide content all meet the requirements, but, gas forming amount 87mL/g, gas forming amount cannot be expired
The foot requirement to product.
Can be seen that from the contrast 24 of table 1,2,3, contrast 29, when the deal of suppression distintegrant
Time too high, decomposition rate is down to 0.17mL/ (g min), and decomposition rate is too low, impact foaming
Efficiency；When suppressing distintegrant deal too low, decomposition rate is too fast, causes formamide content high
In 10ppm.
Can be seen that from the contrast 25 of table 1,2,3, contrast 25 employing oxidation of the prior art
Zinc and zinc stearate as coagent, result: decomposition temperature the highest (being 165 DEG C),
Formamide content higher (for 240.2ppm).
Can be seen that from the contrast 28,30 of table 1,2,3, when Methanamide remover deal is too low
Time, formamide content is significantly larger than 10ppm；When Methanamide remover deal is too high, it is one
Plant the waste of cost.
In specific implementation process, above-mentioned steps (3) preferably employs jet mill to material
Pulverizing, certainly, pulverising step herein may be used without other grinding mode, such as:
Mechanical lapping etc., but, the pulverizing using jet mill is fastest, and, pulverized
Journey is not easy pollute other impurity.
It addition, the pulverising step in above-mentioned steps (2) is preferably crushing material is average to it
It is 3～5 microns that particle diameter is pulverized, and so, can be substantially reduced returning charge rate.
In the present invention used to toluenesulfinic acid zinc, benzenesulfinic acid zinc, p-methyl benzenesulfonic acid zinc,
ZINC P-PHENOLSULFONATE is purchased from Suzhou City bass spy fine chemistry industry group, and is technical pure；Fructus Citri Limoniae
Acid zinc, zinc lactate, zinc stearate, purchased from Nantong Feiyu Fine Chemicals Co., Ltd., are
Analytical pure；Triethanolamine is purchased from the analytical pure of Run Ji chemical industry Co., Ltd of Xinji City；Season penta
Tetrol is purchased from the technical pure of Kai Linruiyang chemical inc, Jiangsu；Glycerol is purchased from Weifang morning
The technical pure of star Chemical Industry Science Co., Ltd；Hexamethylenamine has purchased from osmanthus, Guangzhou China chemical science and technology
The technical pure of limit company；Sodium nitrilo triacetate, nitrilotriacetic acid are purchased from Shanghai Hui Jin chemical industry to be had
The technical pure of limit company；Sodium ethylene diamine tetracetate is purchased from the industry of Baoding Kai Yue Chemical Co., Ltd.
Pure；Diethyl malonate is purchased from the technical pure of Hebei sincerity company limited；Magnesium oxide, hydroxide
Magnesium, calcium oxide, calcium hydroxide are purchased from the technical pure of Yingkou Xin Meiye company limited.
Claims (7)
1. an environment-friendly foaming agent for the low formaldehyde of catabolite, take AC foaming agent 40～80 parts,
Coagent 13～40 parts, decompose controlling agent 1～10 parts and Methanamide remover 6～20 parts of mixing
Forming, wherein, coagent is the mixture of coagent A, B and C three, and activity helps
Agent A be to toluenesulfinic acid zinc, benzenesulfinic acid zinc, p-methyl benzenesulfonic acid zinc, ZINC P-PHENOLSULFONATE,
A kind of or several combination in zinc citrate, zinc lactate and zinc stearate, coagent B
For with any one in monoglyceride, stearic acid and oleic acid or several carry out surface process
Carbamide or thiourea, if coagent C be the one in triethanolamine, tetramethylolmethane and glycerol or
The combination of dry kind；Decomposition controlling agent is hexamethylenetetramine, sodium nitrilo triacetate, nitrilo three second
A kind of or several combination in acid and sodium ethylene diamine tetracetate；Methanamide remover is the third two
One or several in diethyl phthalate, magnesium oxide, magnesium hydroxide, calcium oxide and calcium hydroxide
Combination.
The environment-friendly foaming agent of the low formaldehyde of catabolite the most according to claim 1, it is special
Levy and be: the mass ratio of coagent A, B, C is: 1～1.5:4:1～1.5.
The environment-friendly foaming agent of the low formaldehyde of catabolite the most according to claim 1, it is special
Levy and be: described AC foaming agent, coagent, decomposition controlling agent and Methanamide remover are
Mean diameter is the fine grained of 3～5 microns.
4. the coagent of the environment-friendly foaming agent of the low formaldehyde of catabolite, it is characterised in that:
Described coagent is the mixture of coagent A, B and C three, and coagent A is
To toluenesulfinic acid zinc, benzenesulfinic acid zinc, p-methyl benzenesulfonic acid zinc, ZINC P-PHENOLSULFONATE, zinc citrate,
A kind of or several combination in zinc lactate and zinc stearate, coagent B is for using single glycerol
Any one or the several carbamide carrying out surface process in ester, stearic acid and oleic acid or sulfur
Urea, coagent C is a kind of or several group in triethanolamine, tetramethylolmethane and glycerol
Close.
The activity of the environment-friendly foaming agent of the low formaldehyde of catabolite the most according to claim 4
Auxiliary agent, it is characterised in that: the mass ratio of described coagent A, B, C is: 1～1.5:4:
1～1.5.
6. the technique of the environment-friendly foaming agent of the low formaldehyde of catabolite, it is characterised in that bag
Include following steps:
(1) control according to the AC foaming agent described in claim 1, coagent, decomposition
Agent, the deal of Methanamide remover, mix；
(2) comminuting matter；
(3) 300～450 mesh are used to sieve；
(4) grinding screen fine grained after thick is carried out secondary mixing, obtain environment-friendly foaming agent and produce
Product.
7. the technique of the environment-friendly foaming agent of the low formaldehyde of catabolite, it is characterised in that press
Go according to the AC foaming agent described in claim 1, coagent, decomposition controlling agent, Methanamide
Except the deal of agent, after mixing, obtain environment-friendly foaming agent product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610390592.1A CN105885078B (en) | 2014-03-20 | 2014-03-20 | The environment-friendly foaming agent of the low formaldehyde of decomposition product and its technique, coagent |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610390592.1A CN105885078B (en) | 2014-03-20 | 2014-03-20 | The environment-friendly foaming agent of the low formaldehyde of decomposition product and its technique, coagent |
| CN201410104864.8A CN103834055B (en) | 2014-03-20 | 2014-03-20 | A kind of low-temperature environment-friendly whipping agent |
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| CN201410104864.8A Division CN103834055B (en) | 2014-03-20 | 2014-03-20 | A kind of low-temperature environment-friendly whipping agent |
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| CN201410104864.8A Active CN103834055B (en) | 2014-03-20 | 2014-03-20 | A kind of low-temperature environment-friendly whipping agent |
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| CN114316374A (en) * | 2021-07-28 | 2022-04-12 | 广东省贵来新材料科技有限公司 | Degradable environmental-friendly express bag and production equipment thereof |
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| CN105648837A (en) * | 2016-01-04 | 2016-06-08 | 金戈炜业（江苏）壁纸有限公司 | High-foaming coating for printing wallpaper |
| CN105860203A (en) * | 2016-04-26 | 2016-08-17 | 三斯达（江苏）环保科技有限公司 | Environment-friendly safe PE (polyethylene) foamed ground mat and preparation method thereof |
| CN106009026B (en) * | 2016-05-18 | 2018-11-30 | 广州市隆海橡塑有限公司 | A kind of foaming agent, preparation method and application |
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| Publication number | Publication date |
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| CN105885078B (en) | 2018-11-09 |
| CN103834055A (en) | 2014-06-04 |
| CN103834055B (en) | 2016-04-20 |
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