CN106244565A - A kind of natural rubber fresh-keeping enzyme of breast and the method for concentrated natural latex rubber thereof - Google Patents

A kind of natural rubber fresh-keeping enzyme of breast and the method for concentrated natural latex rubber thereof Download PDF

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Publication number
CN106244565A
CN106244565A CN201610603920.1A CN201610603920A CN106244565A CN 106244565 A CN106244565 A CN 106244565A CN 201610603920 A CN201610603920 A CN 201610603920A CN 106244565 A CN106244565 A CN 106244565A
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rubber
fresh
breast
natural rubber
natural
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黄润燕
许灿姬
黎春柏
吴配奇
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Yunnan Bosheng Biotechnology Co Ltd
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    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N9/00Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08CTREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
    • C08C1/00Treatment of rubber latex
    • C08C1/02Chemical or physical treatment of rubber latex before or during concentration
    • C08C1/075Concentrating

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Abstract

The invention discloses a kind of natural rubber fresh-keeping enzyme of breast and the method for concentrated natural latex rubber thereof, it is characterised in that include the raw material of the weight portions such as rubber dried leaf, yeast and Folium Camelliae sinensis;Preparation method include rubber leaves leaven prepare, the preparation of tea polyphenols regulator and the step such as merging;The steps such as natural rubber breast dilute, filtration and high speed centrifuge concentrating and separating are included by the method for the natural rubber fresh-keeping enzyme concentrated natural latex rubber of breast.The method can suppress the qualitative change of protein, substitute the natural rubber fresh-keeping enzyme of breast of ammonia fresh-keeping function comprehensively, and it is applied to concentrated natural latex rubber, it is not required to add any chemical preservative and remains to keep for a long time the fragrant of natural rubber breast, be a kind of fully natural green nuisanceless free of contamination natural rubber fresh-keeping enzyme of breast.Not only do not have any offending abnormal smells from the patient to produce, and fresh-keeping effect is better than ammonia, compatible more preferably to other auxiliary agents, low cost, easy to use, pollution-free.

Description

A kind of natural rubber fresh-keeping enzyme of breast and the method for concentrated natural latex rubber thereof
Technical field
The present invention relates to the method for concentration of a kind of latex rubber, especially by the method for enzyme concentrated natural latex rubber.
Background technology
In recent years, the yield of whole world concentrated natural latex has reached more than 1,000,000 tons/year, uses concentrated natural latex manufacture Rubber, except to have production process simple, it is not necessary to jumbo and organic solvent, power consumption is few, labor condition good, product Outside some performance advantages of higher, also it is easier to realize mechanization and automatization.Therefore, every goods utilizing latex to manufacture all are used dense Contracting latex, is not doing raw material with caouttchouc.Existing Heveatex method for concentration typically has centrifuging, livering method, evaporation Method and electricity strain method four kinds.But, electricity is strained method and is the most still failed to put into commercial production, and livering method and evaporation are the most only having Use in the scale of limit.Centrifuging is currently mainly used to carry out concentrated natural latex.The cost of the centrifuging of positive law is relatively low, processing Fast, yield is high, more meets the interests demand of industry.In order to ensure that the fresh glue that cuts off from rubber tree is not in centrifuging Smelly by oxidation deterioration, in fresh glue artificial add 02% content be the ammonia of 18% as antistaling agent, just can prevent several Hour transportation in natural coagulation and smelly occurs.Whole technological process be fresh glue → ammonification fresh-keeping → abrasive material → precipitation → centrifugal → concentrated latex → interpolation 6-8% content 99% liquefied ammonia is as concentrated latex antistaling agent.
Ammonia is more harm than good as natural rubber antistaling agent.Ammonia and liquefied ammonia are all the gas of a kind of highly volatile according to records Body, health hazard: irritant to nose, larynx and lung after suction, cause cough, breathe hard and asthma etc.;Can stop up because of laryngeal edema Breath death;Pulmonary edema can occur, cause death.Ammonia is splashed into ophthalmic, can cause serious harm, and even results in blind, and skin connects Touch and can cause to burn.Chronic Effect: low concentration contact repeatedly, can cause bronchitis.And, with the addition of the latex of ammonia centrifugal dense During contracting, small part follows concentrated latex discharge, and major part ammonia is just followed glue and discharged clearly, contains the dry glue composition of 5% during glue is clear.In order to The expenditure reducing cost increases income it is necessary to solidify this glue gel resin of 5%.Because wherein there being the existence of ammonia, solidify these glue gel resin Must be that 99% concentrated sulphuric acid carries out solidifying can be only achieved and reclaims the purpose of glue gel resin toward glue clear water adds 20-30% content.Cause Technique is the most complicated, puts into and increases, is unfavorable for the development and progress of environmental conservation and enterprise.
Summary of the invention
It is an object of the invention to provide a kind of qualitative change that can suppress protein, substitute the natural rubber of the fresh-keeping function of ammonia The fresh-keeping enzyme of breast.
The method that it is a further object to provide a kind of natural rubber fresh-keeping enzyme concentrated natural latex rubber of breast.
For reaching above-mentioned purpose, the technical scheme is that
A kind of natural rubber fresh-keeping enzyme of breast, it is characterised in that include the raw material of following weight portion:
Rubber dried leaf 80~150 parts, yeast 2~6 parts, brown sugar (Saccharum Sinensis Roxb.) 5~10 parts, Folium Camelliae sinensis 40~60 parts, quick lime 8~15 Part, lime water 4~6 parts, Pulvis Talci 20~30 parts.
The preparation method of the natural rubber fresh-keeping enzyme of breast comprises the following steps:
Prepared by rubber leaves leaven, pass through pulverizing including taking rubber tree dried leaf, sequentially add clear water, brown sugar (Saccharum Sinensis Roxb.) and yeast Bacterium, and heat and the prepared rubber leaves leaven of fermentation, standby in inserting the molten device of rustless steel;
Prepared by tea polyphenols regulator, including taking fresh Folium Camelliae sinensis and hydrated lime in powder is mixed thoroughly, put into plastic bag seal after adding clear water, Room temperature preserves and treats that tea polyphenols disengages completely in 3~5 days, adds water and just carries out squeeze and filter in agitator after stirring, adds Pulvis Talci After being stirred in the solution containing tea polyphenols and fully precipitating, carry out grain slag separation, take the clear liquid on face and add hydroxide Sodium, adjusts to PH14 and obtains tea polyphenols regulator, stand-by;
Rubber leaves leaven dilutes, and the clear water taking 2500~3500 parts is heated to 50 degree, adds in rubber leaves leaven, Stir 2 minutes with the agitator that speed-frequency per minute is 50 turns, filter with 100 mesh stainless steel filter screen, rubber must be diluted Gum leaf leaven, standby;
Merge, dilution rubber leaves leaven and tea polyphenols regulator are deposited in same stainless cylinder of steel, is warmed to 27~30 Stopping heating between degree and after keeping 10 hours, after standing 8 hours, temperature is down between 25~28 degree, with three column piston pumps After pressurization, carry out filtering drawing and a kind of can react at the rubber hydrocarbon of natural rubber breast by sand stamen filter, generate one and prevent The smelly fresh-keeping Baume degrees of hevein matter qualitative change is 25, and pH value is the natural rubber fresh-keeping enzyme of breast of 14.
Comprise the following steps by the method for the natural rubber fresh-keeping enzyme concentrated natural latex rubber of breast:
Taking natural rubber breast and be diluted with water to after dry content is 27%, adding content is the 80% natural rubber fresh-keeping enzyme of breast, and stirring is all Even, filter with the filter screen of 80 mesh, stand 48 hours after those non-glue constituent impurity fully precipitate, precipitate is leached; Take that natural rubber is newborn carries out concentrating and separating with fresh-keeping enzyme mixation high speed centrifuge, obtain the concentrated natural that content is more than 60% Latex rubber.
The present invention uses natural rubber leaves and fresh Folium Camelliae sinensis as primary raw material, makes a kind of matter that can suppress protein Become, substitute the natural rubber fresh-keeping enzyme of breast of ammonia fresh-keeping function comprehensively.The fresh-keeping feature of this enzyme is for concentrated natural rubber Ruzhong, adds 10 and latex just can be made 180 days to preserve at normal temperatures, do not have the phenomenon that qualitative change is smelly, still keep sky So delicate fragrance sense of taste of latex rubber.Latex is concentrated into solid content when being 60-65 by centrifugation, without adding any chemical preservative still The fragrant of natural rubber breast can be kept for a long time, be a kind of fully natural green nuisanceless free of contamination natural rubber fresh-keeping enzyme of breast. Not only do not have any offending abnormal smells from the patient to produce, and fresh-keeping effect is better than ammonia, compatible more preferably to other auxiliary agents, cost Low, easy to use, pollution-free.
Detailed description of the invention
Below, in conjunction with the embodiments, the invention will be further described.
For reaching the purpose of the present invention, I analyzes through ten years comprehensively and concentrates on studies, and has done substantial amounts of practice Finally the method searching out solution problem.
Embodiment one
The natural rubber fresh-keeping enzyme of breast includes the raw material of following weight portion:
Rubber dried leaf 100 parts, 3 parts of yeast, brown sugar (Saccharum Sinensis Roxb.) 8 parts, Folium Camelliae sinensis 50 parts, quick lime 10 parts, lime water 5 parts, Pulvis Talci 25 parts.
The preparation method of the natural rubber fresh-keeping enzyme of breast comprises the following steps:
1, prepared by gum leaf leaven
(1) dried leaf, by rubber tree fallen 100 parts, removes hammer mill with one and is crushed to be entirely capable of the screen cloth of 60 mesh and be Only, standby;
(2), placing 50 parts of clear water in copper pot, the brown sugar (Saccharum Sinensis Roxb.) adding 8 parts boils while stir and melt completely to brown sugar (Saccharum Sinensis Roxb.), heats Stand after temperature rise 85 degree, standby;
(3), the rubber leaf powder crushed is spread out, and the red sand sucrose solution that spray temperature is 35 degree, mix uniformly, then by 3 The yeast of part is twisted into powder and mixes with at the rubber leaves wet-milling having sprayed red sand sucrose solution, mixes uniformly;Insert in plastic bag also Seal bag mouth, put and preserve 5 days under room temperature, find that the mixed powder in plastic bag has the phenomenon of blow-up, it was demonstrated that yeast survives, rubber Leaf powder fermenting-ripening, then gum leaf leaven is made;Gum leaf leaven is put in the molten device of rustless steel, stand-by;
2, prepared by tea polyphenols regulator
To pick after 50 parts and the 10 parts hydrated lime in powders of fresh Folium Camelliae sinensis less than 35 hours mix thoroughly, after adding the clear water of 10 parts Putting into plastic bag seal, room temperature preserves and treats that tea polyphenols disengages completely in 4 days, observes and sees there is lurid liquid just;Add Put into after entering 100 parts of clear water in the molten device of energy, stir five minutes with the agitator of 50 turns of frequencies per minute, then squeeze, Making the tea polyphenols mixed liquor being contained in Folium Camelliae sinensis disengage, and filter with 100 mesh stainless steel filter screen, its aqueous solution is stored in another and does In clean molten device.Then the Pulvis Talci of 25 parts is added in the solution containing tea polyphenols, then stir with the agitator of 50 turns per minute Mix 2 minutes, stand after within 48 hours, making the saturated abundant precipitation of Pulvis Talci, carry out grain slag separation, take the clear liquid on face and then add 5 parts Sodium hydroxide adjust to PH14, obtain tea polyphenols regulator, stand-by;
3, rubber leaves leaven dilution, the clear water taking 300 parts is heated to 50 degree of own fermented rubber added in step 1 In the molten device of rustless steel in powder, stir 2 minutes with the agitator that speed-frequency per minute is 50 turns, and by 100 mesh rustless steels Drainage screen carries out filtration and is placed in container, standby;
4, merge, after the rubber leaves leaven solution of above-mentioned steps 2 and step 3 tea polyphenols regulator and dilution is mixed, deposit It is placed in the stainless cylinder of steel of a molten lower above solution summation of energy, stops after being warmed between 27~30 degree and keeping 10 hours Standing of heating 8 hours;Then temperature is down to 25~28 degree, is forced through sand stamen filter with three column piston pumps and filters, Draw a kind of can be anti-in the rubber hydrocarbon of natural rubber breast, should generate and a kind of prevent the smelly fresh-keeping Baume of hevein matter qualitative change Degree is 25, and pH value is the natural rubber fresh-keeping enzyme of breast of 14.
The material component of various corresponding proportions makes the natural rubber fresh-keeping enzyme of breast, and inventor also did numerous studies and reality Trample, be optimal with embodiment one.
Example two
This is the natural rubber fresh-keeping enzyme of breast that cypress bio tech ltd, Yunnan prepares with embodiment one, protects in Hainan Province Rubber cooperative society is for the first pilot scale of concentrated natural latex rubber:
Taking the natural rubber breast 100 parts of dry content 30%, be diluted with water to after dry content is 27%, adding 10 parts of content is 80% The natural rubber fresh-keeping enzyme of breast, then stirs, then filters with the stainless (steel) wire of 80 mesh, stand 48 hours, treat that those are non- After glue constituent impurity fully precipitates, precipitate is leached;Take the newborn and fresh-keeping enzyme mixation high speed centrifuge of natural rubber to carry out Concentrating and separating, obtains the concentrated natural latex rubber 30 parts that dry content is 60%.
Example three
This is the natural rubber fresh-keeping enzyme of breast that cypress bio tech ltd, Yunnan prepares with embodiment one, protects in Hainan Province Rubber cooperative society is for the second pilot scale of concentrated natural latex rubber:
Taking the natural rubber breast 500 parts of dry content 30% and be diluted with water to after dry content is 27%, it is 80% natural for adding 50 parts of content The fresh-keeping enzyme of latex rubber, then stirs, then filters with the stainless (steel) wire of 80 mesh, stands 48 hours, treats that those non-glue becomes After dividing impurity fully to precipitate, precipitate is leached;Take the newborn and fresh-keeping enzyme mixation high speed centrifuge of natural rubber to concentrate Separate, obtain the concentration latex rubber 150 parts of the concentrated natural latex rubber that dry content is 60%.
Example four
This is the natural rubber fresh-keeping enzyme of breast that cypress bio tech ltd, Yunnan prepares with embodiment one, protects in Hainan Province Rubber cooperative society is for the 3rd pilot scale of concentrated natural latex rubber:
Taking the natural rubber breast 2000 parts of dry content 30% and be diluted with water to after dry content is 27%, adding 2000 parts of content is 80% Natural rubber breast fresh-keeping enzyme, then stir, then filter with the stainless (steel) wire of 80 mesh, stand 48 hours, treat those After non-glue constituent impurity fully precipitates, precipitate is leached;Take the newborn and fresh-keeping enzyme mixation high speed centrifuge of natural rubber to enter Row concentrating and separating, obtains the concentrated natural latex rubber 600 parts that dry content is 60%.
In above two~four embodiments, the natural rubber fresh-keeping enzyme concentrated natural latex rubber of breast prepared by embodiment one, no Such as lauric acid, zinc oxide, stabilizer and liquefied ammonia etc. need to be added again and have the chemical composition of public hazards.Glue gel resin is without 25% content 99% Concentrated sulphuric acid carry out solidification extract glue clear in rubber, only just can realize the solidification of glue gel resin with the glacial acetic acid of 3%, generation Waste water just can reach the discharge index of environmental requirement, the concentration glue produced because not having the composition of ammonia and concentrated sulphuric acid to process a little Breast does not the most produce any offending abnormal smells from the patient through long-term storage, but also remains the pure and fresh fragrance of virgin rubber breast.

Claims (3)

1. the fresh-keeping enzyme of natural rubber breast, it is characterised in that include the raw material of following weight portion:
Rubber dried leaf 80~150 parts, yeast 2~6 parts, brown sugar (Saccharum Sinensis Roxb.) 5~10 parts, Folium Camelliae sinensis 40~60 parts, quick lime 8~15 Part, lime water 4~6 parts, Pulvis Talci 20~30 parts.
The natural rubber the most according to claim 1 fresh-keeping enzyme of breast, it is characterised in that its preparation method comprises the following steps:
Prepared by rubber leaves leaven, pass through pulverizing including taking rubber tree dried leaf, sequentially add clear water, brown sugar (Saccharum Sinensis Roxb.) and yeast Bacterium, and heat and the prepared rubber leaves leaven of fermentation, standby in inserting the molten device of rustless steel;
Prepared by tea polyphenols regulator, including taking fresh Folium Camelliae sinensis and hydrated lime in powder is mixed thoroughly, put into plastic bag seal after adding clear water, Room temperature preserves and treats that tea polyphenols disengages completely in 3~5 days, adds water and just carries out squeeze and filter in agitator after stirring, adds Pulvis Talci After being stirred in the solution containing tea polyphenols and fully precipitating, carry out grain slag separation, take the clear liquid on face and add hydroxide Sodium, adjusts to PH14 and obtains tea polyphenols regulator, stand-by;
Rubber leaves leaven dilutes, and the clear water taking 2500~3500 parts is heated to 50 degree, adds in rubber leaves leaven, Stir 2 minutes with the agitator that speed-frequency per minute is 50 turns, filter with 100 mesh stainless steel filter screen, rubber must be diluted Gum leaf leaven, standby;
Merge, dilution rubber leaves leaven and tea polyphenols regulator are deposited in same stainless cylinder of steel, is warmed to 27~30 Stopping heating between degree and after keeping 10 hours, after standing 8 hours, temperature is down between 25~28 degree, with three column piston pumps After pressurization, carry out filtering drawing and a kind of can react at the rubber hydrocarbon of natural rubber breast by sand stamen filter, generate one and prevent The smelly fresh-keeping Baume degrees of hevein matter qualitative change is 25, and pH value is the natural rubber fresh-keeping enzyme of breast of 14.
3. the method with the natural rubber fresh-keeping enzyme concentrated natural latex rubber of breast, it is characterised in that comprise the following steps:
Taking natural rubber breast and be diluted with water to after dry content is 27%, adding content is the 80% natural rubber fresh-keeping enzyme of breast, and stirring is all Even, filter with the filter screen of 80 mesh, stand 48 hours after those non-glue constituent impurity fully precipitate, precipitate is leached; Take that natural rubber is newborn carries out concentrating and separating Cheng Gan with fresh-keeping enzyme mixation high speed centrifuge, obtain the concentration that content is more than 60% Natural rubber breast.
CN201610603920.1A 2016-07-28 2016-07-28 A kind of natural rubber fresh-keeping enzyme of breast and the method for concentrated natural latex rubber thereof Pending CN106244565A (en)

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Cited By (4)

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CN107418917A (en) * 2017-08-22 2017-12-01 云南柏昇生物科技有限公司 A kind of fresh-keeping bacterium of natural rubber breast microorganism and its preparation method and application
CN108659146A (en) * 2018-05-29 2018-10-16 泰国素万寝具用品(中国)有限公司 Heveatex preservative agent and preparation method thereof and its application
CN111019190A (en) * 2019-11-28 2020-04-17 北斗星量子生物医药科技(深圳)有限公司 Natural rubber latex fresh-keeping composition and natural rubber latex fresh-keeping method
CN115558161A (en) * 2021-11-04 2023-01-03 中国热带农业科学院 Natural rubber latex anti-coagulation preservative and preparation method and application thereof

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107418917A (en) * 2017-08-22 2017-12-01 云南柏昇生物科技有限公司 A kind of fresh-keeping bacterium of natural rubber breast microorganism and its preparation method and application
CN108659146A (en) * 2018-05-29 2018-10-16 泰国素万寝具用品(中国)有限公司 Heveatex preservative agent and preparation method thereof and its application
CN111019190A (en) * 2019-11-28 2020-04-17 北斗星量子生物医药科技(深圳)有限公司 Natural rubber latex fresh-keeping composition and natural rubber latex fresh-keeping method
CN115558161A (en) * 2021-11-04 2023-01-03 中国热带农业科学院 Natural rubber latex anti-coagulation preservative and preparation method and application thereof
CN115558161B (en) * 2021-11-04 2023-11-10 中国热带农业科学院 Natural rubber latex anti-coagulation preservative and preparation method and application thereof

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Application publication date: 20161221