CN102574587A - Propellant filling process - Google Patents

Propellant filling process Download PDF

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Publication number
CN102574587A
CN102574587A CN 201080043415 CN201080043415A CN102574587A CN 102574587 A CN102574587 A CN 102574587A CN 201080043415 CN201080043415 CN 201080043415 CN 201080043415 A CN201080043415 A CN 201080043415A CN 102574587 A CN102574587 A CN 102574587A
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CN
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container
propellant
check valve
method according
vessel
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CN 201080043415
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Chinese (zh)
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C.希特利
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西卡摩尔之西摩股份有限公司
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B31/00Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/003Adding propellants in fluid form to aerosol containers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B3/00Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/04Methods of, or means for, filling the material into the containers or receptacles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D83/00Containers or packages with special means for dispensing contents
    • B65D83/14Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/75Aerosol containers not provided for in groups B65D83/16 - B65D83/74
    • B65D83/752Aerosol containers not provided for in groups B65D83/16 - B65D83/74 characterised by the use of specific products or propellants

Abstract

An aerosol container and method of manufacturing same is described where compressed ambient air replaces a portion or all of a hydrocarbon propellant typically used to make the aerosol product. Spray paint containers are one type of aerosol products where compressed ambient air is used to reduce or eliminate the amount of hydrocarbon propellant needed.

Description

推进剂填充方法 Propellant filling method

[0001] 相关申请的交叉引用 CROSS [0001] REFERENCE TO RELATED APPLICATIONS

[0002] 本申请要求2009年9月四日提交的、申请序列号为12/568,818的美国申请的优先权,在此结合其全部内容作为参考。 [0002] This application claims filed September 4, 2009, the priority to Application Serial No. 12 / 568,818 filed in the U.S., incorporated herein by reference in its entirety.

背景技术 Background technique

[0003] 本发明涉及制造气雾剂容器,具体地涉及加压的涂料制剂的方法。 [0003] The present invention relates to manufacture an aerosol container, particularly relates to a method of coating formulation pressurized. 本发明还涉及所制造的气雾剂容器的最终组成。 The present invention relates to an aerosol container is also produced final composition. 具体地,本发明包括显著地减少或消除通常地用在制造方法中的烃推进剂的量,并且用压缩的环境空气获得产品排出所需要的压力。 In particular, the present invention includes eliminating or significantly reducing the amount of hydrocarbon propellant generally used in the manufacturing process, and the discharge pressure of the product to obtain the desired compression of the ambient air.

[0004] 气雾剂容器是随处可见的,并且用来通过以便利的喷涂或喷雾束的方式分配从涂料到空气清新剂的大量产品。 [0004] Aerosol containers are everywhere, and for dispensing the product from the large amount of coating material to an air freshener in a convenient manner by spray or mist beam. 与被分配的特定产品无关,这些气雾剂容器中的一种常见成分是担当分布产品的载体的推进剂。 Regardless of the particular product to be dispensed, a common component of the aerosol container is served carrier product distribution propellant. 因为推进剂是高挥发性的,所述容器被加压以将推进剂保持为液体。 Since the propellant is highly volatile, the container is pressurized to maintain a liquid propellant. 就喷涂涂料容器来说,这些推进剂常规地是在制造期间必须在高压力下被注射到容器中的烃。 Spray coatings on containers, these propellants conventionally must be injected into the vessel under high pressure hydrocarbon during manufacture. 液态推进剂通常与待分配的液态产品相混合,诸如涂料制剂。 Liquid propellant is normally a liquid product to be dispensed and mixed, such as a coating formulation. 当用户推动或启动容器阀时,通过喷射喷嘴或喷头而将携带雾滴形式液态产品的液体推进剂喷出(蒸发)。 When the user pushes or starting container valve, through the injection nozzle or nozzles and liquid products in the form of liquid droplets carried discharge propellant (evaporation). 尽管烃推进剂提供用于分配喷涂产品的便利的输送载体,但是它们显著增加了气雾剂容器的制造成本并且喷出的气态烃对环境具有潜在的负面影响。 Although the hydrocarbon propellant to provide a convenient delivery vehicle for spray dispensing the product, they significantly increase the manufacturing cost of the aerosol container and the discharge of gaseous hydrocarbon having a potentially negative impact on the environment. 因此,减少给定产品制剂所需要的烃推进剂的量是节省成本且环保的。 Thus, reducing the amount of a given product into the desired formulation hydrocarbon propellants are cost-effective and environmentally friendly.

发明内容 SUMMARY

[0005] 本发明提供了准备气雾剂容器的方法,其中通过用替代的压缩的环境空气而显著地减少或消除烃推进剂的量。 [0005] The present invention provides a method of preparing an aerosol container, wherein the compressed ambient air by using an alternative significantly reduce or eliminate the amount of hydrocarbon propellant. 尽管下面的描述具体涉及喷涂涂料容器的制造,但是本发明也可被设置成适于任何类型的气雾剂产品,其中氧对于被分布的产品将不具有有害的影响。 Although the following description particularly relates to the manufacture of spray paint container, but the present invention may also be provided in any suitable type of aerosol products, wherein the oxygen for the product to be distributed will not have a detrimental effect. 具体地,本发明涉及填充气雾剂容器的方法,其中空容器在环境压力下被提供到填充线,并且液态涂料混合物和合适的搅拌器装置被添加到所述容器的内部。 In particular, the present invention relates to a method of filling an aerosol container, wherein the empty container is provided at ambient pressure to the fill line, and the liquid coating mixture and a suitable agitator device is added to the interior of the container. 然后使用制造气雾剂容器领域众所周知的方法将气雾剂单向止回阀添加到所述容器的顶部并且将其压接到合适的位置处。 FIELD aerosol container and then use methods well known in the aerosol one-way check valve is added to the top of the vessel and which is crimped at a suitable location. 接着将容器设置在装料头组件内,其中减量的推进剂在压力下通过止回阀被注入容器。 The container is then disposed in the head loading assembly, wherein the propellant is injected into the reduction vessel through the check valve under pressure. 通过“减量的推进剂”,表示常规地被添加到特定的产品制剂的正常体积的推进剂被减少约Ivol. %到约99vol. %,并且在一些情形中,所有的推进剂都被压缩空气代替。 By "reduction propellant" refers to conventionally been added to the normal volume of a particular product formulation is reduced to about a propellant Ivol.% To about 99vol.%, And in some cases, all of the propellant is compressed air instead.

[0006] 然后通过止回阀将压缩的环境空气注入所述容器,其中压缩的环境空气的量等于减量的推进剂和正常量的推进剂之间的差异或者足以递送最初容纳在容器内的基本所有产品的量。 [0006] The container is then injected by the compressed ambient air valve, wherein the amount of compressed ambient air is equal to the difference between the decrement of propellant or propellant and the normal amount sufficient to deliver initially accommodated in the container the basic amount for all products. 通过“正常量的推进剂”,表示常规地用于给定产品制剂的推进剂的体积量。 By "normal amount of propellant" refers to a conventionally used amount of a given volume of product formulations propellant. 优选地,添加到容器的压缩空气的量导致压缩空气与推进剂的体积比是大约50 : 50,并且更优选地在从大约20到80的范围内。 Preferably, the amount of compressed air added to the container of compressed air causes the volume ratio of propellant is about 50: 50, and more preferably in the range of from about 20 to 80. 因为常规的气雾剂容器仅仅能被加压到大约70psig (表压)到大约120psig,所以添加的压缩空气将不液化并且将保持为气体。 Because conventional pressurized aerosol container to be only about 70 psig (gauge) to about 120psig, so the compressed air will not be added and the liquefied gas is kept. 因为通常使用的推进剂担当溶剂,它们将降低涂料制剂的粘度。 Since propellant solvents generally used to play, they will reduce the viscosity of the coating formulation. 如果将空气用来代替推进剂,则所得的粘度将太高以致于不能雾化涂料。 If air is used in place of the propellant, the resulting viscosity can be too high to spray coating. 但是如果溶剂用来代替推进剂,它将降低涂料制剂的粘度并且允许它适当地雾化并且喷涂在良好地限定的线中。 However, if the solvent is used in place of the propellant, it will reduce the viscosity of the coating formulation and to allow it to be suitably atomized and sprayed in a well-defined line. 优选地,使用免除的溶剂(exempted solvent),因为这有时不被认为是挥发性有机化合物,而挥发性有机化合物通常地被指责为空气污染且有助于温室效应和臭氧层的损耗。 Preferably, exempt solvents (exempted solvent), because it is sometimes not considered to be volatile organic compounds, volatile organic compounds and generally blamed for loss and contributes to air pollution and the greenhouse effect the ozone layer. 丙酮是这种被免除的溶剂的例子。 Examples of such solvents are acetone is exempt. 同样, 用被免除的溶剂代替被认为是VOC的推进剂,最终的组合物将具有更少的VOC并且因此是更加环境友好的。 Similarly, instead of using the solvent is considered exempt VOC propellant, the final composition will have less VOC and is therefore more environmentally friendly.

[0007] 取决于产品制剂,我们已经发现,有时需要降低液态产品的粘度。 [0007] Depending on the product formulation, we have found that it is sometimes necessary to reduce the viscosity of the liquid product. 例如在涂料制剂的情形中,我们已经发现,由在Zahn#2杯上测量的粘度从83秒减少到18秒允许用压缩空气替换100%的推进剂,同时维持最终涂料产品的可接受的喷涂图案。 For example, in the case of the coating formulation, we have found that, by the reduction in measured Zahn # 2 cup viscosity from 83 seconds to 18 seconds to allow the replacement of 100% of the propellant of compressed air, while maintaining an acceptable final coating product spraying pattern.

[0008] 一旦已经添加了压缩空气,将喷头或喷嘴连接至阀,随后将盖连接至阀,则容器准备好可使用。 [0008] Once the air has been added, the nozzle or nozzles connected to the valve, then the valve is connected to the lid, the container is ready to be used. 气雾剂容器制造领域中已知的任何填充装备都能用来实现本发明,所提供的装料头组件可用来在添加减少量的烃推进剂之后将压缩的环境空气添加到容器。 Any aerosol container filling equipment known in the art can be used in the manufacture of the present invention is implemented, the head loading assembly may be used to provide after addition of a reduced amount of hydrocarbon propellants compressed ambient air added to the vessel.

具体实施方式 Detailed ways

[0009] 如同所提及的那样,本发明的目标是显著地减少典型地用在气雾剂喷涂容器的制造中的烃推进剂的量。 [0009] As mentioned above, object of the present invention is to significantly reduce the typically used in the manufacture of an aerosol spray container in an amount of hydrocarbon propellants. 我不知道到用压缩的环境空气替换一部分烃推进剂的任何填充方法。 I do not know any alternative method of filling a portion of the hydrocarbon propellant compressed ambient air. 用在制造气雾剂容器中的特定推进剂将取决于被分布的液态产品的比例。 The particular propellant used in the manufacture aerosol container will depend on the ratio of liquid product to be distributed. 对于喷涂涂料容器来说,溶剂的类型取决于涂料制剂是水基还是溶剂基。 For spray paint container, the type of solvent depending on the coating formulation is water-based or solvent-based. 如同这里所使用的那样,“溶剂基”指可溶解在一种或多种烃中的涂料制剂。 As As used herein, "solvent-based" refers to a coating formulation can be dissolved in one or more hydrocarbons. 当最初涂料制剂是水基时,那么一种尤其优选的推进剂是二甲醚(DME),然而,任何已知的水溶解的推进剂将起作用。 When the initial paint formulation is water based, the so a particularly preferred propellant is dimethyl ether (DME), however, any known propellant dissolved in water will work. DME是在一个大气压下沸点是_23°C的可市场上买到的可液化的气体,并且是可溶解在水中至大约5个大气压下在是大约35%重量的程度。 DME is a boiling point under atmospheric pressure is available on the market may _23 ° C liquefiable gas, and is soluble in water to the extent of about 35% by weight at about 5 atmospheres. 尽管在任何市场上可买到的DME能被用在本发明中,DME的一个商业供应商是DuPont®。 Although any commercially available DME can be used in the present invention, a commercial supplier DME is DuPont®.

[0010] 尽管DME是一种优选类型的推进剂,但是可以单独地或者与DME —起使用其它推进剂,例如,丙烷、152a、二氧化碳和一氧化二氮。 [0010] While DME is a preferred type of propellant, it may be used alone or in combination with DME - from the use of other propellants, such as propane, 152a, carbon dioxide and nitrous oxide. 在那些情形中,最初涂料制剂是溶剂基的, 那么可接受的推进剂是丙烷,然而,与溶剂基涂料制剂兼容的任何已知的推进剂将起作用。 In those cases, the initial coating formulation is solvent based, then the acceptable propellants are propane, however, any of the known propellants compatible with solvent-based coating formulation will work. 与制成推进剂的化学品无关,一旦容器被填充并且在容器的制造的点处被压接;则推进剂必须能加压最初涂料制剂用以递送到被涂覆的基底或表面。 It made independent of the chemical propellant, and once the container is filled is pressed at the contact point of manufacture of the container; the pressurized propellant must be initially delivered to the coating formulation to the coated substrate or surface. 各特定涂料产品制剂或处方将确定被添加到容器的推进剂的类型和量。 Each particular product formulation or paint formulation to determine the type and amount of propellant added to the container. 本发明的目的是减少推进剂的这个“正常的”量, 从大约体积(1vol. % )到大约99%体积(99vol. % ),在一些情形中,完全替换所有的推进剂,并且用作为运载气体的压缩空气替代待分配的产品。 Object of the present invention is to reduce the "normal" amount of propellant, from about volume (1vol.%) To about 99% by volume (99vol.%), In some cases, completely replace all of the propellant, and used as compressed carrier gas alternative products to be dispensed. 优选地,将压缩空气以等于约20psig(表压)的量加至容器。 Preferably, the compressed air equal to about 20 psig (gauge pressure) was added to the container. 压缩空气被以任何已知的方法压缩,并且优选为在从大约80psig到大约120psig的范围的压力下被输送到止回阀。 The compressed air is compressed in any known manner, and preferably is delivered to the check valve at a pressure of from about 80psig to a range of about 120psig.

[0011] 能被添加的压缩空气的量也是产品质量或喷涂性能的函数。 [0011] The amount of compressed air can be added or the product quality is also a function of coating performance. 换言之,如果用太多的压缩空气代替推进剂,那么可能有以不以可接受的喷涂图案分配涂料的趋势。 In other words, if too much compressed air instead of propellant, it may not be acceptable to have the paint spray pattern distribution trend. 可接受的喷涂图案是被喷涂成具有清晰边缘并且没有超范围喷涂的1英寸到4英寸的线。 Acceptable spray pattern is sprayed so as to have sharp edges and without 1 inch to 4 inches of wire overspray.

[0012] 在添加推进剂且接着添加压缩空气之前,容器处于大体上环境压力并且将容纳大气压力下的环境空气。 [0012] prior to addition of the propellant and then add the compressed air, the container is accommodated substantially ambient pressure and the ambient air at atmospheric pressure. 在增加止回阀并且压力密封容器之前,将涂料制剂与搅拌器装置一起增加到容器。 Before the check valve and the pressure in the sealed container increases, the coating formulation is increased together with the agitator device container. 涂料制剂可是本领域技术人员已知的任何制剂,并且优选为包括透明的无颜色基或者透明的有颜色基或者白色/米黄色或者中性基。 Coating formulations may be any formulation known to those skilled in the art, and preferably includes a transparent substrate or a transparent non-color based color or are white / beige or neutral group. 能从本发明受益的气雾剂容器的类型或设计不是本发明的关键。 The key type or design from the aerosol container of the present invention is not a benefit of the present invention. 优选地,可使用常规的竖直喷涂涂料,以及用来标记水平表面的倒置喷涂容器,诸如运动场、车道、院子等类似地方。 Preferably, conventional vertical spray coating, container coating and the inverted horizontal surface for indicia, such as a stadium, where similar lane, the yard and the like.

[0013] 例子 [0013] Examples

[0014] 为了比较的目的,标准的现有技术气雾剂涂料容器可以由以下部分组成: [0014] For comparison purposes, the prior art standard aerosol paint container may be composed of the following parts:

[0015] 14. 4%的醇酸树脂,21. 6%的碳酸钙,8. 6%的二氧化钛、16. 6%的VM&P、9. 4%的矿物油精和1.4%的添加剂,以及观%的推进剂,该推进剂可以是65%的丙烷和35%的丁烷的混合物。 [0015] 14.4% of the alkyd resin, 21.6% calcium carbonate, 8.6% of titanium dioxide, 16.6% of VM & P, 9. 4% of mineral spirits and 1.4% additive, and Views % of propellant which can be a mixture of 65% propane and 35% butane. 这种涂料具有使用Zahn #2杯(不包括推进剂)的85秒的粘度。 The coating has a viscosity of 85 seconds using a Zahn # 2 cup (not including the propellant) a.

[0016] 根据上面所提及的配方,通过采用标准20盎司的气雾剂罐,将353克的涂料制剂放置到罐中并且将阀压接到该罐上,制得气雾剂涂料产品。 [0016] The formulations mentioned above, by using the standard 20 ounce aerosol cans, 353 grams of the coating formulation is placed into the tank and the valve crimped onto the canister, to obtain aerosol paint product. 所使用的阀是用于在地面上喷涂线的常规的倒置式倾泄阀(inverted tip valve) 0在压接了阀之后,添加137克的推进剂。 The valve is used on the ground for a conventional inverted spray line dump valve (inverted tip valve) 0 after crimping of the valve, was added 137 g of propellant. 当所述组合物被喷涂在地上时,产生1到172英寸的线。 When the composition is sprayed on the ground, generating a line 1 to 172 inches.

[0017] 准备第二罐,除了向罐中增加加压为90_100psi的空气来替代向罐中添加推进剂之外,该第二罐与第一罐相同。 [0017] preparing a second tank, in addition to increasing the air pressure to the tank to replace 90_100psi added to the outside of the propellant tank, the first tank and the second tank same. 当测试时,结果线只有1/2英寸宽,并且所溅起的涂料产生不具有清晰边缘的线。 When the test result is only 1/2 inch wide lines, and the splashes of the coating line to produce no sharp edges.

[0018] 准备第三罐,也使用与第一罐相同的程序,除了这次用丙酮代替推进剂之外。 [0018] preparing a third tank, the first tank using the same procedure, except the propellant instead of acetone. 在添加丙酮之后,涂料制剂的粘度由使用Zahn #2杯测量的从85秒减小到沈秒。 After the addition of acetone, the viscosity of the coating formulation is measured using the Zahn # 2 cup is reduced from 85 seconds to sink seconds. 一旦这种涂料制剂被添加到罐中并且阀被压接在罐上,则将罐加压有90-100psi的空气压力。 Once this coating formulation is added to the tank and the valve is crimped on the can, the can will be pressurized with air pressure of 90-100psi. 当这种涂料产品被喷涂在地上时,得到的线是1-172英寸的线,并且与由第一样本产生的线相同。 When such a coating product is sprayed on the ground, the line is obtained 1-172 inch line, and the same line generated by the first sample.

[0019] 应当理解,这里所描述的实施方式和例子仅仅是为了示例性的目的而呈现的并且包含所述方法、制剂和系统的多种其它组合和商品将被建议给本领域的技术人员,并且因此,本发明将具有在下面的权利要求的范围内的最宽泛的解释。 [0019] It should be understood that the embodiments and examples described herein are merely for illustrative purposes and presented the method comprising, in combination, and various other commercial preparations, and systems will be suggested to those skilled in the art, and therefore, the present invention having the broadest interpretation within the scope of the following claims.

Claims (11)

  1. 1. 一种制造气雾剂容器的方法,包括以下步骤:a.将空的容器提供到自动填充线;b.将液态产品制剂加至所述容器;c.将止回阀安装在所述容器中;及d.通过所述止回阀将压缩的环境空气注入所述容器中以将所述容器加压到从约80psig到约120psig的范围。 A method of manufacturing an aerosol container, comprising the steps of: a empty containers to provide automatic filling line; B liquid added to the product formulation vessel; C check valve installed in the... a container; d and the vessel was pressurized to about 80psig to a range of from about 120psig to the valve by the compressed ambient air into said container.
  2. 2.如权利要求1所述的方法,其中没有烃推进剂被添加到所述容器。 2. The method according to claim 1, wherein the hydrocarbon propellant is not added to the container.
  3. 3.如权利要求1所述的方法,其中通过将非VOC溶剂加至涂料制剂而准备所述液态产品制剂以降低粘度。 The method according to claim 1, wherein the non-VOC solvent by adding to the liquid coating formulation is prepared product formulation to reduce the viscosity.
  4. 4. 一种制造气雾剂容器的方法,包括以下步骤:a.将空容器提供到自动填充线;b.将液态产品制剂加至所述容器;c.将止回阀安装在所述容器中;d.通过所述止回阀将预定体积的烃推进剂注入所述容器中;及e.通过所述止回阀将预定体积的压缩环境空气注入所述容器中。 A method for manufacturing an aerosol container, comprising the steps of: a filling empty container is supplied to the automatic line; B liquid added to the product formulation vessel; C check valve mounted in the container. in;. D valve by a predetermined volume of said hydrocarbon propellant into said container; e through the check valve and the compressed ambient air into said predetermined volume of the vessel.
  5. 5.如权利要求4所述的方法,其中所注射的压缩空气的量至少是所注射的预定体积的推进剂的大约Ivol. %。 5. The method according to claim 4, wherein the amount of compressed air injected at least about Ivol.% Of a predetermined volume of injected propellant.
  6. 6.如权利要求4所述的方法,其中在安装所述止回阀之后压力密封所述容器。 The method as claimed in claim 4, wherein the check valve installed in the pressure after sealing the container.
  7. 7.如权利要求4所述的方法,其中在安装所述止回阀之前将搅拌器装置加至所述容器。 7. The method according to claim 4, wherein prior to mounting the valve means and the stirrer was added to the vessel.
  8. 8.如权利要求4所述的方法,其中所述液态产品制剂包括涂料制剂。 8. The method according to claim 4, wherein said coating formulation comprises a liquid product formulation.
  9. 9.如权利要求8所述的方法,其中所述烃推进剂包括至少的丙烷。 9. The method according to claim 8, wherein the hydrocarbon propellant comprises at least propane.
  10. 10. 一种加压容器,包括液态涂料制剂、非VOC溶剂、止回阀和压缩的环境空气。 A pressurized container comprising the liquid coating formulation, non-VOC solvents, the check valve and the compressed ambient air.
  11. 11. 一种加压容器,包括液态涂料制剂、止回阀、烃推进剂和压缩的环境空气,其中空气与烃推进剂的体积比在约5到约55的范围内。 A pressurized container comprising the liquid coating formulation, the check valve, hydrocarbon propellants and compressed ambient air, wherein the volume ratio of air to hydrocarbon propellant is in the range of about 5 to about 55.
CN 201080043415 2009-09-29 2010-09-29 Propellant filling process CN102574587A (en)

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US56881809 true 2009-09-29 2009-09-29
US12/568,818 2009-09-29
PCT/US2010/050679 WO2011041382A1 (en) 2009-09-29 2010-09-29 Propellant filling process

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Citations (4)

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Publication number Priority date Publication date Assignee Title
US4880151A (en) * 1988-10-31 1989-11-14 Shepherd Willard W Pressurized spray paint container
CN1259919A (en) * 1997-06-26 2000-07-12 葛兰素集团有限公司 Valve for aerosol container
WO2002002167A1 (en) * 2000-07-01 2002-01-10 Glaxo Group Limited Valve for aerosol container
US20080185067A1 (en) * 2007-02-02 2008-08-07 Lim Walter K Pressurized containers and methods for filling them

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA975500A (en) * 1969-02-06 1975-09-30 Joseph G. Spitzer Structures such as applicator pads for cleaning and other purposes, propellant compositions for forming the same, and process
WO2003096821A3 (en) * 2002-05-21 2004-04-08 Unilever Plc Frozen aerated product in an aerosol container

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4880151A (en) * 1988-10-31 1989-11-14 Shepherd Willard W Pressurized spray paint container
CN1259919A (en) * 1997-06-26 2000-07-12 葛兰素集团有限公司 Valve for aerosol container
WO2002002167A1 (en) * 2000-07-01 2002-01-10 Glaxo Group Limited Valve for aerosol container
US20080185067A1 (en) * 2007-02-02 2008-08-07 Lim Walter K Pressurized containers and methods for filling them

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EP2483156A1 (en) 2012-08-08 application
WO2011041382A1 (en) 2011-04-07 application

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