CN109734972A - A kind of latex pillow production technology - Google Patents
A kind of latex pillow production technology Download PDFInfo
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- CN109734972A CN109734972A CN201811619802.5A CN201811619802A CN109734972A CN 109734972 A CN109734972 A CN 109734972A CN 201811619802 A CN201811619802 A CN 201811619802A CN 109734972 A CN109734972 A CN 109734972A
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- latex
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Abstract
The invention discloses a kind of latex pillow production technologies, it is related to latex production technology, for solving the problems, such as that the ammonia in latex easily causes damages to human health, step includes: that raw material removes ammonia --- standing maturation --- Latex cure --- emulsion foaming --- decatize molding --- cleaning, drying；The present invention has the following advantages and effects: heating can promote the volatilization of ammonium hydroxide in latex, and subsequent stirring can promote the bubble formed in latex after ammonium hydroxide volatilization to generate rupture, ammonia loss from latex be gone out, to achieve the purpose that except ammonia.
Description
Technical field
The present invention relates to latex production technology, in particular to a kind of latex pillow production technology.
Background technique
With the raising of income level, in various aspects such as clothing, food, lodging and transportion -- basic necessities of life, people are higher and higher for the concern of health, especially
It is sleep, and people slowly also increasingly pay attention to the care of sleep quality, the latex pillow risen in recent years, due to it
The radian of fitting neck can be removed according to the extruding of human body, so that human cervical spine is not readily susceptible to oppress, reduce cervical spondylosis
Generation, therefore nowadays latex pillow becomes the main product of bedding in the market.
Currently, the Chinese invention application that application publication number is CN104400956A discloses a kind of system of natural emulsion pillow
Make technique, including processing step once: stock mixing blisters into mould, is heating and curing and punches, through needle plate on latex pillow
Equally distributed micropore is formed, latex pillow is then put into heating interior again, is filled with high-temperature steam, takes out and goes forward side by side after 3 minutes
Row cleaning and drying obtain high ventilative latex pillow.
Natural emulsion gradually generates solidification under the action of can be in enzyme and bacterium after gathering in, therefore latex is after harvesting
Ammonium hydroxide can be generally charged with for sterilizing the mobility to keep latex, and ammonium hydroxide has volatile, toxic and pollution ring
The shortcomings that border, therefore latex usually requires to carry out deamination, and above-mentioned pillow manufacturing process before being fabricated to emulsion products
In, there is no carrying out effective deamination processing to latex, such latex after being fabricated to pillow, wherein may remain ammonia at
Point, people is easy to appear slow poisoning symptom, and then be detrimental to health during the product is used for a long time.
Summary of the invention
The object of the present invention is to provide a kind of latex pillow production technologies, can effectively remove the ammonium hydroxide in latex raw material,
So that latex is not allowed to easily emit ammonia after pillow is made, so that human health be made to be not readily susceptible to damage.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of latex pillow production work
Skill, step include:
(1) raw material removes ammonia, and latex raw material first pours into latex in agitator into after factory, into latex insertion two and with
The opposite agitating shaft in upper direction of rotation, is then heated to 30~40 DEG C for latex, is then stirred with the revolving speed of 750r/min latex
15min is mixed, the rotation for switching agitating shaft later is reversed, continues to stir 15min with identical revolving speed, contain to remove in latex raw material
Some ammonia, and exhaust ventilation is paid attention to during latex stirring；
(2) maturation is stood, will be stood for 24 hours except the latex after ammonia is placed in 30~35 DEG C be protected from light in warehouse, and make latex certainly
So fermentation generates maturation；
(3) stabilizer, promotor, antioxidant and sulphur are added into latex solution after the completion of removing ammonia for Latex cure, latex
The auxiliary agents such as powder, then first heat latex, then are stirred to latex, so that latex generates vulcanization；
(4) emulsion foaming will foam in the latex injection foaming machine by step (3) vulcanization；
(5) decatize forms, and by the latex injection mold after step (4) foam, then uses 90~110 DEG C of temperature
Degree carries out 2~3h of boiling to mold, makes the latex in mold by heat cure, forms pillow finished product.
(6) cleaning, drying, after pillow molding, it is also necessary to be cleaned, to remove the greasy dirt and dust be infected with from mold
Etc. dirty, using factory can be packed after drying.
By using above scheme, ammonium hydroxide itself low boiling point in latex is volatile, after suitably heat by latex
Ammonium hydroxide can be promoted to volatilize, 30~40 DEG C of temperature also not easily leads to latex and generates solidification, and subsequent stirring enables to
Ammonium hydroxide in latex is contacted with air generation, is emitted in time, and the reversed opposite agitating shaft of more rotations stirs simultaneously
The stirring of latex can be made more chaotic, latex ammonia during mutual collision is also easier to discharge from latex, from
And be conducive to the cleared of ammonia in latex；Subsequent standing for fermentation can be such that the flowing of latex tends to uniformly, and can also make latex
The bubble generated in whipping process changes busy evolution during standing, to keep the quality of latex higher；Vulcanization followed by
Then the stability of colloid can be made more preferable, be more easily controlled the quality of endosperm, to facilitate the processes such as the subsequent foaming of latex
Progress；Foaming process is then to make latex generate extruding, and such latex pliability after molding and fluffy degree are more preferable, thus
Make emulsion products that there is good gas permeability；Last decatize is then similar to during bread cooks, latex cooked after just
Solidifying and setting can be generated, emulsion products is enabled to have good resilience.
The further setting of the present invention are as follows: the ammonia that removes of step (1) needs to be added defoaming agent, the additive amount of defoaming agent in the process
It is 0.005%~0.2%.
If containing a large amount of bubbles in latex, it is easy for leading to the auxiliary agent dispersion of addition in subsequent sulfidation
Unevenly, latex occur the yellowish-white spot in part interlock color difference the case where, by using above scheme, latex is carried out by stirring except ammonia
During be easy to produce bubble, can eliminate the most bubbles generated in whipping process after defoaming agent is added, and
Bubble is further eliminated during subsequent standing maturation, so that the subsequent sulfidation of latex can be more uniform.
The further setting of the present invention are as follows: the defoaming agent can be n-butanol or silicone oil.
By using above scheme, n-butanol and silicone oil are all common defoaming agents in industrial processes, in fact for
For the production of latex, either n-butanol or silicone oil can be used, and only defoaming effect between the two can be variant,
Under normal conditions the defoaming effect of silicone oil more by force, therefore in use, in equal quality latex n-butanol additive amount one
As all be more than silicone oil additive amount.
The further setting of the present invention are as follows: the sulfidation of step (3) latex carries out in two times, and primary vulcanization is by latex
50 DEG C are heated to, 60~80min is stirred with the revolving speed of 1500r/min, is then allowed to stand after keeping the temperature 20min and carries out post-cure, two
The heating temperature of secondary vulcanization is 80 DEG C, terminates sulfidation after stirring 70~80min to latex with same revolving speed.
By using above scheme, the vulcanization of latex needs certain reaction time, and under normal circumstances, for vulcanizing
Whether the auxiliary agent being added when process disperses uniformly, larger impact is had for the state of cure (vulcanization) of later period latex, therefore here
First with 50 DEG C to latex be stirred most important purpose be still auxiliary agent is fully dispersed into latex, in this process
Latex also will do it vulcanization, but state of cure (vulcanization) is not deep, and second of reaction carried out at 80 DEG C is only the main of Latex cure
Process, after the primary vulcanization by front, these auxiliary agents can be evenly dispersed into latex, increase the temperature of latex again at this time
Degree, it will be able to promote latex to generate deeper vulcanization, to keep the vulcanization of latex more uniform.
The further setting of the present invention are as follows: the heating rate of latex is unsuitable too fast, to be kept with that can be warming up in 1h
Temperature be advisable.
By using above scheme, since latex is colloid, the transmission speed of heat is not so good as pure fluid, if latex
Heating rate is too fast, then latex just will appear the excessive situation of local temperature difference, will lead to the vulcanization of each position of latex in this way
Degree is uneven, and by it is this slowly heat up in a manner of carry out, then the time that heat is transmitted can be given, so that latex is each
Partial temperature reaches unanimity, to keep the vulcanization of latex more uniform.
The further setting of the present invention are as follows:, can be every 30min to prevent latex cure in the stirring of above-mentioned all steps
500ml water is added in left and right.
Moisture of latex during heated inside it can gradually evaporate, and the process of latex drying can be generated gradually firmly
Change, by using above scheme, water can be distributed in latex under the action of being mixing power after the addition, increase the wet of latex
Degree, its mobility will enhance after latex humidity increases, while adding primary way every half an hour and not easily leading to cream again
The viscosity decline of glue, the auxiliary agent being scattered in latex so is not allowed to be also easy to produce sedimentation yet, so that the quality of latex is more steady
It is fixed.
The further setting of the present invention are as follows: the water of addition is the soft water of lower mineral content.
By using above scheme, natural component accounts for 90% or more in latex, if the water being added contains for high mineral
The hard water of amount causes latex to generate condensation then the calcium, magnesium plasma in water are easy to combine with the natural component in latex,
The soft water of lower mineral content is thus used, it is actually best using the effect of pure water.
The further setting of the present invention are as follows: latex pillow after shaping, then with the needle plate that diameter is 0.3~0.5mm carries out
Needle thorn, so as to form pin hole on pillow.
By using above scheme, after carrying out needle thorn using needle plate, so that numerous pin holes are capable of forming on pillow, these needles
Hole can increase the gas permeability of latex pillow, and such people can possess higher comfort during using pillow.
In conclusion the invention has the following advantages:
1. heating can promote the volatilization of ammonium hydroxide in latex, and subsequent stirring ammonium hydroxide can be promoted to volatilize after in latex
The bubble of interior formation generates rupture, ammonia loss from latex is gone out, to achieve the purpose that except ammonia；
2. substep vulcanization can promote the dispersion of vulcanization aid, and be conducive to the uniform of vulcanization, so that the quality of latex
It is more easily controlled, to keep the quality of emulsion products more stable；
3. soft water is added during latex stirring, then it can increase the humidity of latex, improve the mobility of latex, make
Latex is not allowed to be also easy to produce hardening, so that vulcanization aid can spread more evenly across in latex.
Detailed description of the invention
Fig. 1 is process flow chart of the invention.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment 1:
A kind of latex pillow production technology, as shown in Figure 1, comprising the following steps:
(1) raw material removes ammonia, and latex raw material first pours into latex in agitator into after factory, into latex insertion two and with
The opposite agitating shaft in upper direction of rotation, is then heated to 30~40 DEG C for latex, is then stirred with the revolving speed of 750r/min latex
It mixes；During stirring, be poured slowly into n-butanol or silicone oil as defoaming agent, the additive amount of defoaming agent 0.005%~
Between 0.2%, specific adding proportion according to defoaming agent select natural component content in type and latex number be adjusted.
Continue to stir 15min to latex after defoaming agent is added, the rotation for switching agitating shaft later is reversed, continues with identical
Revolving speed stir 15min, to remove the ammonia contained in latex raw material, and pay attention to exhaust ventilation during latex stirring.
(2) maturation is stood, will be stood for 24 hours except the latex after ammonia is placed in 30~35 DEG C be protected from light in warehouse, and make latex certainly
So fermentation generates maturation, and the maturation of latex is the process of a fermentation, can be containing some enzyme elements, bacterium etc. in natural emulsion, this
A little things can make latex gradually generate fermentation, and then promote the stabilization of property of latex.
(3) stabilizer, promotor, antioxidant and sulphur are added into latex solution after the completion of removing ammonia for Latex cure, latex
The auxiliary agents such as powder, the above auxiliary agent are the products that can be bought on the market.Wherein, stabilizer is used for latex anti-agglomeration, and promotor is used
In the vulcanization for promoting latex, and sulphur powder is then used for and reactant emulsion, and latex is made to generate vulcanization.
After the above auxiliary agent is added, latex will be first heated to 50 DEG C, 60min is stirred with the revolving speed of 1500r/min, then
Post-cure is carried out after standing heat preservation 20min, the heating temperature of post-cure is 80 DEG C, is stirred with same revolving speed to latex
Terminate sulfidation after 80min.
The vulcanization of latex needs certain reaction time, and under normal circumstances, helps for what is be added when sulfidation
Whether agent disperses uniformly, larger impact is had for the state of cure (vulcanization) of later period latex, thus here first with 50 DEG C to latex into
Row stirs most important purpose and is still auxiliary agent is fully dispersed into latex, and latex also will do it sulphur in this process
Change, but state of cure (vulcanization) is not deep, second of reaction carried out at 80 DEG C is only the main process of Latex cure, by front
It is primary vulcanization after, these auxiliary agents can be evenly dispersed into latex, increase the temperature of latex again at this time, it will be able to promote cream
Glue generates deeper vulcanization, to keep the vulcanization of latex more uniform.
During stirring referred to above, contain every the ground minerals that 30min requires to be added 500ml into latex
The soft water of amount, in order to avoid latex gradually hardens in whipping process because drying out, and latex heats up during heating
Speed is unsuitable too fast, is advisable with that can be warming up to the temperature to be kept in 1h.
(4) emulsion foaming will foam in the latex injection foaming machine by step (3) vulcanization；
(5) decatize forms, and by the latex injection mold after step (4) foam, then uses 110 DEG C of temperature pair
Mold carries out 2~3h of boiling, makes the latex in mold by heat cure, forms pillow finished product.Latex pillow after molding is from mould
After taking out in tool, also carries out thorn with needle plate, to form pin hole on latex pillow, the diameter having an acupuncture treatment on needle plate for 0.3~
0.5mm is advisable.
(6) cleaning, drying, after pillow molding, it is also necessary to be cleaned, to remove the greasy dirt and dust be infected with from mold
Etc. dirty, using factory can be packed after drying.
Embodiment 2:
A kind of latex pillow production technology, processing step is substantially the same manner as Example 1, and difference place is, latex
Latex is directly heated to 80 DEG C using primary vulcanization by vulcanization, after stirring 160min to latex with revolving speed same as Example 1
Terminate sulfidation.
Embodiment 3:
A kind of latex pillow production technology, processing step is substantially the same manner as Example 1, and difference place is, latex
Latex is heated to 50 DEG C first using vulcanizing three times by vulcanization, after keeping the temperature 20min, is stirred with revolving speed same as Example 1
Latex is heated to 65 DEG C again after 60min, 40min is then stirred with same revolving speed, latex is finally heated to 80 DEG C again, with
Identical revolving speed terminates sulfidation after stirring 40min to latex.
Performance test:
Test is carried out using chloroform number method, principle are as follows: by the way that chloroform is added in the cooperation latex of fixed volume
(being commonly called as chloroform) mixes the two to gelling, and the state of cure (vulcanization) of cooperation latex is indicated with gelatinized.
Preparatory work of experiment: the pipette of precision 0.1ml, capacity are the beaker of 50ml, cleaned glass stick, chloroform soln.
Experimental procedure: measuring the latex in 5ml above-described embodiment through over cure with pipette respectively, and by the latex of measurement
It is contained in different beakers respectively, the three of 1~1.5 times of volume (about 5ml~7.5ml) is then successively added in three beakers
Chloromethanes, and be constantly stirred with glass bar, until latex complete gelation；Later successively by gelatinous latex out of beaker
It takes out, its kneading is agglomerating, and micelle is slowly elongated, it should be noted that in test process, need in latex in as a form of gel
Rubbing is completed in the 3min of state and elongates process, then records metamorphosis of micelle during elongation, embodiments data
It is shown in Table 1.
State record table during the elongation of 1 micelle of table
For the representative meaning of the tensile property of micelle, People's Republic of China (PRC) GB/T 23655-2009 mark is inquired
Quasi- document, obtains following level table, and particular content is shown in Table 2.
Table 2 cooperates latex gel state to describe table
It is recorded in pertinent literature, in ratings above, higher grade, then the state of cure (vulcanization) of latex is deeper, therefore according to table 1
In characterization situation it can be concluded that, vulcanization used by embodiment 1 can make the state of cure (vulcanization) of latex deeper, therefore latex
Vulcanization is most reasonable vulcanization in two steps.
Why primary vulcanization will appear above-mentioned characterization, main reason is that the vulcanization reaction of latex is heated,
And latex itself is jelly, if as soon as direct step heats in place, then the heating rate of latex is too fast, in sulfidation
The auxiliary agent being added is not evenly spread out suddenly at all, and the thermal conductivity of latex is not so good as pure fluid again, so that each position of latex
Temperature it is inconsistent, be easy to appear the excessive situation of local temperature difference, then auxiliary agent during dispersion can first it is higher with temperature
Latex generates reaction, so that the vulcanization of latex is uneven.
The problem of vulcanizing three times is then, as heating and the lasting progress of stirring, latex can take off after contacting with the air
Water and generation oxidation, latex can gradually be hardened, i.e., mobility is deteriorated, then these vulcanization aids being added are wanted to evenly spread out
Difficulty just will increase, so that it is deep when the dispersed homogeneous degree of auxiliary agent also vulcanizes not as good as two steps, and aoxidizing also can be to the vulcanization of latex
Process has an adverse effect, thus the state of cure (vulcanization) of latex just not as good as two-step method when.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (7)
1. a kind of latex pillow production technology, step include:
(1) raw material removes ammonia, and latex raw material first pours into latex in agitator into after factory, and two or more is inserted into latex and is revolved
Turn contrary agitating shaft, latex is then heated to 30 ~ 40 DEG C, then latex is stirred with the revolving speed of 750r/min
15min, the rotation for switching agitating shaft later is reversed, continues to stir 15min with identical revolving speed, be contained with removing in latex raw material
Ammonia, and latex stirring during pay attention to exhaust ventilation；
(2) maturation is stood, will be stood for 24 hours except the latex after ammonia is placed in 30 ~ 35 DEG C be protected from light in warehouse, make latex spontaneous fermentation
Generate maturation；
(3) stabilizer, promotor, antioxidant and sulphur powder etc. are added into latex solution after the completion of removing ammonia for Latex cure, latex
Then auxiliary agent first heats latex, then be stirred to latex, so that latex generates vulcanization；
(4) emulsion foaming will foam in the latex injection foaming machine by step (3) vulcanization；
(5) decatize forms, and by the latex injection mold after step (4) foam, then uses 90 ~ 110 DEG C of temperature pair
Mold carries out 2 ~ 3h of boiling, makes the latex in mold by heat cure, forms pillow finished product；
(6) cleaning, drying, after pillow molding, it is also necessary to it is cleaned, it is dirty to remove the greasy dirt being infected with from mold and dust etc.
Dirt, using factory can be packed after drying；
A kind of latex pillow production technology according to claim 1, it is characterised in that: the ammonia that removes of step (1) needs in the process
Defoaming agent is added, the additive amount of defoaming agent is 0.005% ~ 0.2%.
2. a kind of latex pillow production technology according to claim 2, it is characterised in that: the defoaming agent can be positive fourth
Alcohol or silicone oil.
3. a kind of latex pillow production technology according to claim 1, it is characterised in that: the vulcanization of step (3) latex
Journey carries out in two times, and latex is heated to 50 DEG C by primary vulcanization, stirs 60 ~ 80min with the revolving speed of 1500r/min, then quiet
Carry out post-cure after setting heat preservation 20min, the heating temperature of post-cure is 80 DEG C, with same revolving speed to latex stirring 70 ~
Terminate sulfidation after 80min.
4. a kind of latex pillow production technology according to claim 4, it is characterised in that: the heating rate of latex should not mistake
Fastly, it is advisable so that the temperature to be kept can be warming up in 1h.
5. a kind of latex pillow production technology according to claim 1, it is characterised in that: the stirring of above-mentioned all steps
In, to prevent latex cure, 500ml water can be added every 30min or so.
6. a kind of latex pillow production technology according to claim 6, it is characterised in that: the water of addition contains for lower mineral
The soft water of amount.
7. a kind of latex pillow production technology according to claim 1, it is characterised in that: latex pillow after shaping, then
Needle thorn is carried out with the needle plate that diameter is 0.3 ~ 0.5mm, so as to form pin hole on pillow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811619802.5A CN109734972A (en) | 2018-12-28 | 2018-12-28 | A kind of latex pillow production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811619802.5A CN109734972A (en) | 2018-12-28 | 2018-12-28 | A kind of latex pillow production technology |
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| CN109734972A true CN109734972A (en) | 2019-05-10 |
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| CN201811619802.5A Pending CN109734972A (en) | 2018-12-28 | 2018-12-28 | A kind of latex pillow production technology |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110252237A (en) * | 2019-07-18 | 2019-09-20 | 海南晟泰环保工程有限公司 | A kind of process equipment for the deamination of colloidal liquid recycling and reusing that natural emulsion generates |
| CN110372933A (en) * | 2019-06-26 | 2019-10-25 | 莫建兴 | A kind of latex by and its production technology |
| CN110564017A (en) * | 2019-09-23 | 2019-12-13 | 江苏金世缘乳胶制品股份有限公司 | Production process of high-strength self-gelling system natural latex sponge sheet |
| CN111920273A (en) * | 2020-06-17 | 2020-11-13 | 南通文博海绵工艺品有限公司 | Slow-rebound pillow and production process thereof |
| CN112831098A (en) * | 2019-11-22 | 2021-05-25 | 浙江佳创寝具有限公司 | Preparation method of olive oil emulsion |
| CN114271654A (en) * | 2022-01-04 | 2022-04-05 | 深圳市富安娜家居用品股份有限公司 | Anion latex pillow inner and preparation method thereof |
| CN115260577A (en) * | 2022-08-02 | 2022-11-01 | 吉林省天佑乌拉草新型材料科技有限公司 | Meyer sedge latex pillow and manufacturing process thereof |
| CN115386150A (en) * | 2022-09-27 | 2022-11-25 | 江苏金世缘乳胶制品股份有限公司 | Washing-resistant anti-aging latex pillow |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110372933A (en) * | 2019-06-26 | 2019-10-25 | 莫建兴 | A kind of latex by and its production technology |
| CN110252237A (en) * | 2019-07-18 | 2019-09-20 | 海南晟泰环保工程有限公司 | A kind of process equipment for the deamination of colloidal liquid recycling and reusing that natural emulsion generates |
| CN110564017A (en) * | 2019-09-23 | 2019-12-13 | 江苏金世缘乳胶制品股份有限公司 | Production process of high-strength self-gelling system natural latex sponge sheet |
| CN112831098A (en) * | 2019-11-22 | 2021-05-25 | 浙江佳创寝具有限公司 | Preparation method of olive oil emulsion |
| CN111920273A (en) * | 2020-06-17 | 2020-11-13 | 南通文博海绵工艺品有限公司 | Slow-rebound pillow and production process thereof |
| CN114271654A (en) * | 2022-01-04 | 2022-04-05 | 深圳市富安娜家居用品股份有限公司 | Anion latex pillow inner and preparation method thereof |
| CN115260577A (en) * | 2022-08-02 | 2022-11-01 | 吉林省天佑乌拉草新型材料科技有限公司 | Meyer sedge latex pillow and manufacturing process thereof |
| CN115386150A (en) * | 2022-09-27 | 2022-11-25 | 江苏金世缘乳胶制品股份有限公司 | Washing-resistant anti-aging latex pillow |
| CN115386150B (en) * | 2022-09-27 | 2023-12-22 | 江苏金世缘乳胶制品股份有限公司 | Washing-resistant anti-aging latex pillow |
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Application publication date: 20190510 |