CN104327346A - Waterproof foam for safe protection box, preparation method and applications thereof - Google Patents
Waterproof foam for safe protection box, preparation method and applications thereof Download PDFInfo
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- CN104327346A CN104327346A CN201410442727.5A CN201410442727A CN104327346A CN 104327346 A CN104327346 A CN 104327346A CN 201410442727 A CN201410442727 A CN 201410442727A CN 104327346 A CN104327346 A CN 104327346A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/14—Peroxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
- B65D81/05—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
-
- 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
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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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- 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
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
Abstract
The invention discloses a waterproof foam for safe protection box, a preparation method and applications thereof, and aims to solve the problem that the current safe protection box sponge does not have the waterproof function. The waterproof foam is composed of the following raw materials in parts by weight: 40 to 60 parts of polyethylene, 15 to 25 parts of foaming agent, 0.5 to 1.3 parts of crosslinking agent, 0.5 to 1.5 parts of foaming auxiliary agent, 0.03 to 0.08 part of filling material, 1 to 3 parts of lubricant, and 0.001 to 0.005 part of fluorine water-drawing agent. The provided waterproof foam has the advantages of high elasticity and flexibility, high shockproof and impact-resistant performance, and good hydrophobic and waterproof properties, can meet the safety requirements of instruments and equipment and waterproof requirement, and is environment-friendly and pollution-free. Moreover, the manufacturing method of the waterproof foam has the advantages of simple technology, convenient operation, environment-friendliness, and low cost, and is capable of forming the waterproof foam at one time without any secondary processing.
Description
Technical field
The present invention relates to the cotton technical field of polyethylene foam, especially relate to a kind of safety protective box waterproof foam and preparation method thereof and application.
Background technology
Usually be all precision equipment and instrument due to what protect in safety protective box; therefore require that protective housing has good water resistance; except housing protection; sponge inside housing also needs to have good water-repellancy; work box can be made to possess water-proof function completely; but the sponge usually used is common PU sponge, does not possess water-repellancy, there is larger danger.
Chinese patent literature (the day for announcing: on August 1st, 2012, notification number: CN102617945A) disclose and the present invention relates to a kind of Foamed plastic packing chest and preparation method thereof, because the requirement of current people to packing box is more and more higher, in order to solve problem existing in Production and Packaging box, the present invention proposes a kind of Foamed plastic packing chest and preparation method thereof, the weight part of each feed composition of described expanded plastic box is: polystyrene resin 90 ~ 110; Sodium bicarbonate NaHCO30.8 ~ 0.9; Silicone oil 0.046 ~ 0.078; Modified polystyrene resin 11 ~ 14; Industrial starch 2.5 ~ 5.
What technique scheme solved is that the sealing of existing foam material is low, easily causes the problem of white pollution.
Chinese patent literature (the day for announcing: on January 2nd, 2013, notification number: CN102850620A) disclose a kind of environmental protection high foaming rate PE Foam monolithic, raw material extrusion moulding after forcing machine melting mixing by following component and parts by weight: LDPE resin particle 80 ~ 84, whipping agent 15 ~ 18, nucleator 1.5 ~ 2, antishrinking agent 0.15 ~ 0.2, Masterbatch 0 ~ 2, wherein LDPE resin particle is that ldpe resin particle or ldpe resin particle and PE Foam reclaimed materials mix, whipping agent is selected from butane or 3-pentafluorobutane, nucleator is selected from talcum powder or calcium carbonate superfine powder, resisted shrinkage machine is Tegin 55G, Masterbatch is selected to add as required, by improving the consumption of whipping agent in formula, expansion ratio maintains the high magnification of about 40, and recyclable PE Foam feed back, environmental protection more.
What technique scheme solved is the problem of the frothing percentage how improving PE Foam.
Chinese patent literature (day for announcing: on October 22nd, 2008 is, notification number: CN101289546 A) discloses a kind of pearl cotton plates and manufacture method thereof.A kind of pearl cotton plates, obtained through one step foaming by the whipping agent of the Low Density Polyethylene of every double centner and 15 ~ 20 kilograms, the antishrinking agent sending out kernel foaming agent and 1 ~ 2 kilogram of 0.5 ~ 1 kilogram, preparation process comprises: add Low Density Polyethylene respectively continuously at the screw rod tail of screw-type extruder and send out kernel foaming agent, in 150 DEG C of-180 DEG C of meltings; In screw-type extruder, add antishrinking agent and whipping agent by consumption, whipping agent adds at screw rod near middle, and antishrinking agent coal addition position is between Low Density Polyethylene and whipping agent coal addition position simultaneously; The melting Low Density Polyethylene extrusion molding in plate mould being mixed with whipping agent, sending out kernel foaming agent and antishrinking agent sprayed by extrusion machine, screw front end resin pressure is 10 ~ 100MPa, adopts flat plate mold.Cooling, cutting and packaging.
What technique scheme solved is that existing PE Foam ultimate compression strength is low, the problem that manufacturing process is many.
Summary of the invention
First goal of the invention of the present invention is the problem not possessing water-repellancy in order to solve existing safety protective box with sponge, and provides a kind of safety protective box waterproof foam with good hydrophobic waterproof.
Second goal of the invention of the present invention is to provide the manufacture method of this safety protective box waterproof foam.
3rd goal of the invention of the present invention is to provide the application of this safety protective box waterproof foam.
The present invention realizes the technical scheme that its goal of the invention adopts: a kind of safety protective box waterproof foam, and described safety protective box waterproof foam is prepared from by following component, and the weight part of its material component is:
Polyethylene: 40 ~ 60
Whipping agent: 15 ~ 25
Linking agent: 0.5 ~ 1.3
Frothing aid: 0.5 ~ 1.5
Filler: 0.03 ~ 0.08
Lubricant: 1 ~ 3
Fluouine water extraction agent 0.001 ~ 0.005;
Described polyethylene is selected from the one in high-pressure polyethylene or low pressure polyethylene; Described whipping agent is selected from Cellmic C 121, and linking agent is selected from dicumyl peroxide, and frothing aid is selected from zinc oxide, and filler is selected from barium sulfate, and lubricant is selected from stearic acid.
The technical program by introducing fluouine water extraction agent in foam formula; regulate other proportionings and the manufacturing condition of formula simultaneously; manufactured finished product had both had higher elasticity and toughness; there is higher shock resistance and resist performance; also there is good hydrophobic waterproof simultaneously, safety protective box can be met to the safety precaution of instrument and equipment and waterproofing protection requirement.
The major ingredient that this safety protective box manufactures with waterproof foam is different according to the purposes of safety protective box, can select high-pressure polyethylene, also can select low pressure polyethylene.Whipping agent is selected from Cellmic C 121, and the foamed cotton produced with this whipping agent is nontoxic, odorless, nonflammable, environmental protection.Linking agent is selected from dicumyl peroxide and not only has excellent insulativity and processing characteristics, and can improve its thermotolerance.Frothing aid is selected from zinc oxide, as inorganic foamed promotor, is convenient to the production of this safety protective box waterproof foam.
The present invention realizes the technical scheme that its second goal of the invention adopt: a kind of preparation method of safety protective box waterproof foam comprises the following steps:
1) safety protective box waterproof foam mould is manufactured;
2) according to the good various material of weight part recipe requirements precise of safety protective box waterproof foam material component;
3) first major ingredient polyethylene is poured in the agitation vat of foaming machine, slow stirring, limit is stirred and is added whipping agent, frothing aid, filler, lubricant, decabromodiphenyl oxide and fluouine water extraction agent successively, mix rear stopping to stir, linking agent is poured in agitation vat fast, starts stirrer rapidly, mix after 2 ~ 4 seconds, pour into immediately in mould, start foaming;
4) material is from the rapid retrogradation of liquid state until form solid-state foam, and volume constantly expands rising, emission gases after being highly elevated to 1m, and foaming terminates;
5), after foaming terminates, dry static 3 ~ 4 minutes in a mold, die sinking, at room temperature placed after 12 hours and namely obtains this safety protective box waterproof foam.
This full protection case preparation method of waterproof foam, by adding fluouine water extraction agent in foam formula, and regulate other proportionings of formula, change manufacturing condition, first slowly major ingredient is stirred, then whipping agent is added while stirring, frothing aid, filler, lubricant, decabromodiphenyl oxide and fluouine water extraction agent, add linking agent after stirring fast again to stir, the waterproof foamed cotton of above-mentioned steps manufacture is adopted both to have shockproof and resistance performance very well, there is again good hydrophobic waterproof, the waterproofing protection requirement of safety protective box to instrument and equipment can be met.
As preferably, in step 3), major ingredient polyethylene is poured in the agitation vat of foaming machine, slowly stirs, and the rotating speed of stirrer controls within 400r/min.In order to ensure to carry out uniform stirring to major ingredient, stirrer mixing speed general control at 400r/min.
The present invention realizes its 3rd technical scheme that goal of the invention adopts, a kind of safety protective box with safety protective box waterproof foam, described safety protective box safety protective box is rectangular structure, comprise casing and case lid, described box house is provided with casing waterproof foam, case lid inside is provided with case lid waterproof foam, and described casing waterproof foam and described case lid waterproof foam are equipped with.Should with the safety protective box of safety protective box with waterproof foam; both there is higher elasticity and toughness; there is higher shock resistance and resist performance, also there is good hydrophobic waterproof simultaneously, safety protective box can be met to the safety precaution of instrument and equipment and waterproofing protection requirement.
As preferably, described casing waterproof foam is one-time formed rectangular parallelepiped plate, the upper face of described casing waterproof foam is provided with some instrument standing grooves, angle, four, bottom and the junction, side of described casing waterproof foam are provided with 15mmX15mm casing chamfering structure, and four pitch angle be provided with between side and upper face described in casing pitch angle of casing waterproof foam are less than or equal to 3 degree.Casing waterproof foam is arranged on box house and plays protective effect to interior instrument, casing waterproof foam adopts once shaped to make, from proportioning to complete processing, arrive mould molding again, without the need to secondary processing, manufacture craft is simple, easy to operate, waterproof foam environmental protection after shaping, uses safety and reliability.
As preferably, described case lid waterproof foam is the one-time formed plate in hierarchic structure, the plate face of described case lid waterproof foam is provided with groove, four base angles and the junction, side of described case lid waterproof foam are provided with 15mmX15mm case lid chamfering structure, be provided with case lid pitch angle between the side of the side that case lid waterproof foam hierarchic structure thickness is large and upper face, described case lid pitch angle is less than or equal to 3 degree.Case lid waterproof foam is arranged on the inner protective effect played interior instrument of case lid, case lid waterproof foam adopts once shaped to make respectively, from proportioning to complete processing, arrive mould molding again, without the need to secondary processing, manufacture craft is simple, easy to operate, waterproof foam environmental protection after shaping, uses safety and reliability.
The invention has the beneficial effects as follows: this safety protective box waterproof foam; both there is higher elasticity and toughness; there is higher shock resistance and resist performance; also there is good hydrophobic waterproof simultaneously; safety protective box can be met to the safety precaution of instrument and equipment and waterproofing protection requirement, and environment friendly and pollution-free.And this safety protective box manufacture method of waterproof foam and application thereof, manufacturing process is simple, and easy to operate, once shaped, without the need to secondary processing, environmental protection, cost is low, and result of use is good.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation with the safety protective box of safety protective box waterproof foam in the present invention;
Fig. 2 is a kind of structural representation of casing waterproof foam in the present invention;
Fig. 3 is the left view in Fig. 2;
Fig. 4 is a kind of structural representation of case lid waterproof foam in the present invention;
Fig. 5 is the left view in Fig. 3;
In figure: 1, casing waterproof foam, 2, case lid waterproof foam, 3, instrument standing groove, 4, casing chamfering structure, 5, groove, 6, case lid chamfering structure, 7, casing, 8, case lid, α, casing pitch angle, β, case lid pitch angle.
Embodiment
Also by reference to the accompanying drawings technical scheme of the present invention is described in further detail below by specific embodiment.
Embodiment 1:
A kind of safety protective box waterproof foam, described safety protective box waterproof foam is prepared from by following component, and the weight part of its material component is:
High-pressure polyethylene: 40 grams
Whipping agent Cellmic C 121: 15 grams of technical grade Jiangsu Suo Pu Group Co., Ltd
Linking agent dicumyl peroxide: 0.5 gram
Frothing aid zinc oxide: 0.5 gram
Filler barium sulfate: 0.03 gram adopts Qingdao barium sulfate
Lubricant stearic acid: 1 gram, adopts stearic acid 200 Boxing Huarun Grease Chemical Co., Ltd
Fluouine water extraction agent 0.001 gram of model SP-2399 Dongguan City Bo Cheng Chemical Co., Ltd.
The preparation method of this safety protective box waterproof foam comprises the following steps:
1) safety protective box waterproof foam mould is manufactured; Comprise casing waterproof foam mould and case lid waterproof foam mould;
2) according to the good various material of weight part recipe requirements precise of above-mentioned safety protective box waterproof foam material component;
3) first major ingredient high-pressure polyethylene is poured in the agitation vat of foaming machine, slow stirring, the rotating speed of stirrer controls within 400r/min, limit is stirred and is added whipping agent Cellmic C 121, frothing aid zinc oxide, filler Qingdao barium sulfate, lubricant stearic acid 200, decabromodiphenyl oxide and fluouine water extraction agent successively, mixes rear stopping and stirring, linking agent dicumyl peroxide is poured in agitation vat fast, rapid startup stirrer, mix after 2 seconds, pour into immediately in mould, start foaming;
4) material is from the rapid retrogradation of liquid state until form solid-state foam, and volume constantly expands rising, emission gases after being highly elevated to 1m, and foaming terminates;
5), after foaming terminates, dry static 3 ~ 4 minutes in a mold, die sinking, at room temperature placed after 12 hours and namely obtains this safety protective box waterproof foam.
Embodiment 2:
A kind of safety protective box waterproof foam, described safety protective box waterproof foam is prepared from by following component, and the weight part of its material component is:
High-pressure polyethylene: 50 grams
Whipping agent Cellmic C 121: 20 grams of technical grade Jiangsu Suo Pu Group Co., Ltd
Linking agent dicumyl peroxide: 0.8 gram
Frothing aid zinc oxide: 1 gram
Filler barium sulfate: 0.05 gram adopts Qingdao barium sulfate
Lubricant stearic acid: 2 grams, adopts stearic acid 200 Boxing Huarun Grease Chemical Co., Ltd
Fluouine water extraction agent 0.003 gram of model SP-2399 Dongguan City Bo Cheng Chemical Co., Ltd.
The preparation method of this safety protective box waterproof foam comprises the following steps:
1) safety protective box waterproof foam mould is manufactured; Comprise casing waterproof foam mould and case lid waterproof foam mould;
2) according to the good various material of weight part recipe requirements precise of above-mentioned safety protective box waterproof foam material component;
3) first major ingredient high-pressure polyethylene is poured in the agitation vat of foaming machine, slow stirring, the rotating speed of stirrer controls within 400r/min, limit is stirred and is added whipping agent Cellmic C 121, frothing aid zinc oxide, filler Qingdao barium sulfate, lubricant stearic acid 200, decabromodiphenyl oxide and fluouine water extraction agent successively, mixes rear stopping and stirring, linking agent dicumyl peroxide is poured in agitation vat fast, rapid startup stirrer, mix after 3 seconds, pour into immediately in mould, start foaming;
4) material is from the rapid retrogradation of liquid state until form solid-state foam, and volume constantly expands rising, emission gases after being highly elevated to 1m, and foaming terminates;
5), after foaming terminates, dry static 3 ~ 4 minutes in a mold, die sinking, at room temperature placed after 12 hours and namely obtains this safety protective box waterproof foam.
Embodiment 3:
A kind of safety protective box waterproof foam, described safety protective box waterproof foam is prepared from by following component, and the weight part of its material component is:
High-pressure polyethylene: 60 grams
Whipping agent Cellmic C 121: 25 grams of technical grade Jiangsu Suo Pu Group Co., Ltd
Linking agent dicumyl peroxide: 1.3 grams
Frothing aid zinc oxide: 1.5 grams
Filler barium sulfate: 0.08 gram adopts Qingdao barium sulfate
Lubricant stearic acid: 3 grams, adopts stearic acid 200 Boxing Huarun Grease Chemical Co., Ltd
Fluouine water extraction agent 0.005 gram of model SP-2399 Dongguan City Bo Cheng Chemical Co., Ltd.
The preparation method of this safety protective box waterproof foam comprises the following steps:
1) safety protective box waterproof foam mould is manufactured; Comprise casing waterproof foam mould and case lid waterproof foam mould;
2) according to the good various material of weight part recipe requirements precise of above-mentioned safety protective box waterproof foam material component;
3) first major ingredient high-pressure polyethylene is poured in the agitation vat of foaming machine, slow stirring, the rotating speed of stirrer controls within 400r/min, limit is stirred and is added whipping agent Cellmic C 121, frothing aid zinc oxide, filler Qingdao barium sulfate, lubricant stearic acid 200, decabromodiphenyl oxide and fluouine water extraction agent successively, mixes rear stopping and stirring, linking agent dicumyl peroxide is poured in agitation vat fast, rapid startup stirrer, mix after 4 seconds, pour into immediately in mould, start foaming;
4) material is from the rapid retrogradation of liquid state until form solid-state foam, and volume constantly expands rising, emission gases after being highly elevated to 1m, and foaming terminates;
5), after foaming terminates, dry static 3 ~ 4 minutes in a mold, die sinking, at room temperature placed after 12 hours and namely obtains this safety protective box waterproof foam.
Embodiment 4:
A kind of safety protective box waterproof foam, described safety protective box waterproof foam is prepared from by following component, and the weight part of its material component is:
Low pressure polyethylene: 45 grams
Whipping agent Cellmic C 121: 18 grams of technical grade Jiangsu Suo Pu Group Co., Ltd
Linking agent dicumyl peroxide: 0.6 gram
Frothing aid zinc oxide: 0.7 gram
Filler barium sulfate: 0.04 gram adopts Qingdao barium sulfate
Lubricant stearic acid: 1.5 grams, adopts stearic acid 200 Boxing Huarun Grease Chemical Co., Ltd
Fluouine water extraction agent 0.002 gram of model SP-2399 Dongguan City Bo Cheng Chemical Co., Ltd.
The preparation method of this safety protective box waterproof foam comprises the following steps:
1) safety protective box waterproof foam mould is manufactured; Comprise casing waterproof foam mould and case lid waterproof foam mould;
2) according to the good various material of weight part recipe requirements precise of above-mentioned safety protective box waterproof foam material component;
3) first major ingredient low pressure polyethylene is poured in the agitation vat of foaming machine, slow stirring, the rotating speed of stirrer controls within 400r/min, limit is stirred and is added whipping agent Cellmic C 121, frothing aid zinc oxide, filler Qingdao barium sulfate, lubricant stearic acid 200, decabromodiphenyl oxide and fluouine water extraction agent successively, mixes rear stopping and stirring, linking agent dicumyl peroxide is poured in agitation vat fast, rapid startup stirrer, mix after 2 seconds, pour into immediately in mould, start foaming;
4) material is from the rapid retrogradation of liquid state until form solid-state foam, and volume constantly expands rising, emission gases after being highly elevated to 1m, and foaming terminates;
5), after foaming terminates, dry static 3 ~ 4 minutes in a mold, die sinking, at room temperature placed after 12 hours and namely obtains this safety protective box waterproof foam.
Embodiment 5:
A kind of safety protective box waterproof foam, described safety protective box waterproof foam is prepared from by following component, and the weight part of its material component is:
Low pressure polyethylene: 55 grams
Whipping agent Cellmic C 121: 22 grams of technical grade Jiangsu Suo Pu Group Co., Ltd
Linking agent dicumyl peroxide: 1 gram
Frothing aid zinc oxide: 1.1 grams
Filler barium sulfate: 0.06 gram adopts Qingdao barium sulfate
Lubricant stearic acid: 2.2 grams, adopts stearic acid 200 Boxing Huarun Grease Chemical Co., Ltd
Fluouine water extraction agent 0.0035 gram of model SP-2399 Dongguan City Bo Cheng Chemical Co., Ltd.
The preparation method of this safety protective box waterproof foam comprises the following steps:
1) safety protective box waterproof foam mould is manufactured; Comprise casing waterproof foam mould and case lid waterproof foam mould;
2) according to the good various material of weight part recipe requirements precise of above-mentioned safety protective box waterproof foam material component;
3) first major ingredient low pressure polyethylene is poured in the agitation vat of foaming machine, slow stirring, the rotating speed of stirrer controls within 400r/min, limit is stirred and is added whipping agent Cellmic C 121, frothing aid zinc oxide, filler Qingdao barium sulfate, lubricant stearic acid 200, decabromodiphenyl oxide and fluouine water extraction agent successively, mixes rear stopping and stirring, linking agent dicumyl peroxide is poured in agitation vat fast, rapid startup stirrer, mix after 3 seconds, pour into immediately in mould, start foaming;
4) material is from the rapid retrogradation of liquid state until form solid-state foam, and volume constantly expands rising, emission gases after being highly elevated to 1m, and foaming terminates;
5), after foaming terminates, dry static 3 ~ 4 minutes in a mold, die sinking, at room temperature placed after 12 hours and namely obtains this safety protective box waterproof foam.
Embodiment 6:
A kind of safety protective box waterproof foam, described safety protective box waterproof foam is prepared from by following component, and the weight part of its material component is:
Low pressure polyethylene: 58 grams
Whipping agent Cellmic C 121: 23 grams of technical grade Jiangsu Suo Pu Group Co., Ltd
Linking agent dicumyl peroxide: 1.2 grams
Frothing aid zinc oxide: 1.4 grams
Filler barium sulfate: 0.07 gram adopts Qingdao barium sulfate
Lubricant stearic acid: 2.5 grams, adopts stearic acid 200 Boxing Huarun Grease Chemical Co., Ltd
Fluouine water extraction agent 0.004 gram of model SP-2399 Dongguan City Bo Cheng Chemical Co., Ltd.
The preparation method of this safety protective box waterproof foam comprises the following steps:
1) safety protective box waterproof foam mould is manufactured; Comprise casing waterproof foam mould and case lid waterproof foam mould;
2) according to the good various material of weight part recipe requirements precise of above-mentioned safety protective box waterproof foam material component;
3) first major ingredient low pressure polyethylene is poured in the agitation vat of foaming machine, slow stirring, the rotating speed of stirrer controls within 400r/min, limit is stirred and is added whipping agent Cellmic C 121, frothing aid zinc oxide, filler Qingdao barium sulfate, lubricant stearic acid 200, decabromodiphenyl oxide and fluouine water extraction agent successively, mixes rear stopping and stirring, linking agent dicumyl peroxide is poured in agitation vat fast, rapid startup stirrer, mix after 4 seconds, pour into immediately in mould, start foaming;
4) material is from the rapid retrogradation of liquid state until form solid-state foam, and volume constantly expands rising, emission gases after being highly elevated to 1m, and foaming terminates;
5), after foaming terminates, dry static 3 ~ 4 minutes in a mold, die sinking, at room temperature placed after 12 hours and namely obtains this safety protective box waterproof foam.
By safety protective box waterproof foam prepared by the preparation method of the safety protective box waterproof foam shown in above-described embodiment; both there is higher elasticity and toughness; there is higher shock resistance and resist performance; also there is good hydrophobic waterproof simultaneously, safety protective box can be met to the safety precaution of instrument and equipment and waterproofing protection requirement.
And with the safety protective box of above-mentioned safety protective box waterproof foam; this safety protective box is rectangular structure; comprise casing 7 and case lid 8(is shown in Fig. 1); owing to being provided with casing waterproof foam 1 and case lid waterproof foam 2 respectively at casing 7 and case lid 8 inside: make this safety protective box both have higher elasticity and toughness; there is higher shock resistance and resist performance; also there is good hydrophobic waterproof simultaneously, safety protective box can be met to the safety precaution of instrument and equipment and waterproofing protection requirement.
Casing waterproof foam 1 is one-time formed rectangular parallelepiped plate (see figure 2), the upper face of casing waterproof foam 1 is provided with some instrument standing grooves 3, the angle, four, bottom of casing waterproof foam 1 and junction, side are provided with 15mmX15mm casing chamfering structure 4, four of casing waterproof foam 1 are provided with casing inclined angle alpha (see figure 3) between side and upper face, casing inclined angle alpha is less than or equal to 3 degree; Bottom and the safety protective box of casing waterproof foam are equipped with, and four tank walls of four sides of casing waterproof foam and pitch angle and protective housing are equipped with; Case lid waterproof foam 2 is the one-time formed plate in hierarchic structure, the plate face of case lid waterproof foam 2 is provided with groove 5(and sees Fig. 4), four base angles of case lid waterproof foam 2 and junction, side are provided with 15mmX15mm case lid chamfering structure 6, be provided with case lid angle of inclination beta (see figure 5) between the side of the side that case lid waterproof foam 2 hierarchic structure thickness is large and upper face, case lid angle of inclination beta is less than or equal to 3 degree.Bottom surface and the safety guarded box cover medial surface of case lid waterproof foam are equipped with.
Should with the safety protective box of above-mentioned safety protective box waterproof foam, after instrument loads instrument standing groove 3, after being covered by case lid, casing waterproof foam 1 and case lid waterproof foam 2 are fitted completely, carry out water-tight protection to instrument.
Technical solution of the present invention by introducing fluouine water extraction agent in foam formula, and regulate other proportionings and the manufacturing condition of formula, manufactured finished product has good hydrophobic waterproof, can meet the waterproof requirement to instrument and equipment simultaneously.
Claims (6)
1. a safety protective box waterproof foam, is characterized in that: described safety protective box waterproof foam is prepared from by following component, and the weight part of its material component is:
Polyethylene: 40 ~ 60
Whipping agent: 15 ~ 25
Linking agent: 0.5 ~ 1.3
Frothing aid: 0.5 ~ 1.5
Filler: 0.03 ~ 0.08
Lubricant: 1 ~ 3
Fluouine water extraction agent 0.001 ~ 0.005;
Described polyethylene is selected from the one in high-pressure polyethylene or low pressure polyethylene; Described whipping agent is selected from Cellmic C 121, and linking agent is selected from dicumyl peroxide, and frothing aid is selected from zinc oxide, and filler is selected from barium sulfate, and lubricant is selected from stearic acid.
2. a manufacture method for safety protective box waterproof foam according to claim 1, is characterized in that: the preparation method of described safety protective box waterproof foam comprises the following steps:
1) safety protective box waterproof foam mould is manufactured;
2) according to the good various material of weight part recipe requirements precise of safety protective box waterproof foam material component;
3) first major ingredient polyethylene is poured in the agitation vat of foaming machine, slow stirring, limit is stirred and is added whipping agent, frothing aid, filler, lubricant, decabromodiphenyl oxide and fluouine water extraction agent successively, mix rear stopping to stir, linking agent is poured in agitation vat fast, starts stirrer rapidly, mix after 2 ~ 4 seconds, pour into immediately in mould, start foaming;
4) material is from the rapid retrogradation of liquid state until form solid-state foam, and volume constantly expands rising, emission gases after being highly elevated to 1m, and foaming terminates;
5), after foaming terminates, dry static 3 ~ 4 minutes in a mold, die sinking, at room temperature placed after 12 hours and namely obtains this safety protective box waterproof foam.
3. the preparation method of a kind of safety protective box waterproof foam according to claim 2, it is characterized in that: in step 3), major ingredient polyethylene is poured in the agitation vat of foaming machine, slowly stirs, the rotating speed of stirrer controls within 400r/min.
4. the safety protective box with safety protective box waterproof foam according to claim 1, it is characterized in that: described safety protective box is rectangular structure, comprise casing and case lid, described box house is provided with casing waterproof foam, case lid inside is provided with case lid waterproof foam, and described casing waterproof foam and described case lid waterproof foam are equipped with.
5. the safety protective box with safety protective box waterproof foam according to claim 4, it is characterized in that: described casing waterproof foam is one-time formed rectangular parallelepiped plate, the upper face of described casing waterproof foam is provided with some instrument standing grooves, angle, four, bottom and the junction, side of described casing waterproof foam are provided with 15mmX15mm casing chamfering structure, casing chamfering structure and casing are equipped with, four of casing waterproof foam are provided with casing pitch angle between side and upper face, described casing pitch angle is less than or equal to 3 degree.
6. the safety protective box with safety protective box waterproof foam according to claim 4, it is characterized in that: described case lid waterproof foam is the one-time formed plate in hierarchic structure, the plate face of described case lid waterproof foam is provided with groove, four base angles and the junction, side of described case lid waterproof foam are provided with 15mmX15mm case lid chamfering structure, be provided with case lid pitch angle between the side of the side that case lid waterproof foam hierarchic structure thickness is large and upper face, described case lid pitch angle is less than or equal to 3 degree.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410442727.5A CN104327346A (en) | 2014-09-03 | 2014-09-03 | Waterproof foam for safe protection box, preparation method and applications thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410442727.5A CN104327346A (en) | 2014-09-03 | 2014-09-03 | Waterproof foam for safe protection box, preparation method and applications thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85109232A (en) * | 1984-12-21 | 1986-07-02 | 三和化工株式会社 | Process for producing crosslinked polyolefin foam |
| CN2799189Y (en) * | 2005-05-26 | 2006-07-26 | 佛山市南海祥旺光学电子制品有限公司 | Protective toolbox |
| CN103059379A (en) * | 2013-01-02 | 2013-04-24 | 揭阳市广福电子实业有限公司 | Low smoke zero halogen composite material with functions of water resistance, fire protection and flame retardance |
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2014
- 2014-09-03 CN CN201410442727.5A patent/CN104327346A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85109232A (en) * | 1984-12-21 | 1986-07-02 | 三和化工株式会社 | Process for producing crosslinked polyolefin foam |
| CN2799189Y (en) * | 2005-05-26 | 2006-07-26 | 佛山市南海祥旺光学电子制品有限公司 | Protective toolbox |
| CN103059379A (en) * | 2013-01-02 | 2013-04-24 | 揭阳市广福电子实业有限公司 | Low smoke zero halogen composite material with functions of water resistance, fire protection and flame retardance |
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Application publication date: 20150204 |