EP0696883A1 - Materiau absorbant - Google Patents

Materiau absorbant

Info

Publication number
EP0696883A1
EP0696883A1 EP94914481A EP94914481A EP0696883A1 EP 0696883 A1 EP0696883 A1 EP 0696883A1 EP 94914481 A EP94914481 A EP 94914481A EP 94914481 A EP94914481 A EP 94914481A EP 0696883 A1 EP0696883 A1 EP 0696883A1
Authority
EP
European Patent Office
Prior art keywords
container
absorbent
polymer
edges
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP94914481A
Other languages
German (de)
English (en)
Inventor
Barry Moseley Wood
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Datesand Ltd
Original Assignee
Datesand Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Datesand Ltd filed Critical Datesand Ltd
Publication of EP0696883A1 publication Critical patent/EP0696883A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/26—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
    • B65D81/264—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing liquids
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
    • A01G24/40—Growth substrates; Culture media; Apparatus or methods therefor characterised by their structure
    • A01G24/44—Growth substrates; Culture media; Apparatus or methods therefor characterised by their structure in block, mat or sheet form
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
    • A01G24/50—Growth substrates; Culture media; Apparatus or methods therefor contained within a flexible envelope
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
    • A01G24/30—Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds
    • A01G24/35—Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds containing water-absorbing polymers

Definitions

  • ABSORBENT MATERIAL The present invention relates to an absorbent material.
  • absorbent materials comprising a non-woven fabric and a semi-permeable membrane. This material is generally sold in lm or 2m wide sheets. Any absorbed product may pass out through the edges of the material as the edges are not sealed.
  • an absorbent material as a reservoir for fluid and/or nutrients for plants, said absorbent material comprising a semi-permeable membrane and a backing layer, an absorbent polymer being provided in the material.
  • the edges of the material are preferably sealed.
  • a container the walls of said container being made from an absorbent material comprising a semi- permeable membrane and a backing layer, an absorbent polymer being provided in the material, wherein the edge of the material is sealed.
  • an absorbent material in the absorption of blood, water, water based chemicals or oils, said absorbent material comprising a semi-permeable membrane and a backing layer, an absorbent polymer being provided in the material, wherein the edge of the material is sealed.
  • the edges of the material may be sealed with an impermeable fabric, preferably using a stitch bespoke design. This fabric may be woven. The edges need not necessarily be sealed by stitching. Heat sealable materials could be used in order to facilitate heat sealing. Heat treatment such as heat-sealing or fusing, stitching, adhesives, adhesive tapes, sealants may all be used to seal the edges of the material.
  • the material of the invention can be made to any suitable shape or size.
  • the material may comprise a non-woven layer.
  • the non- woven layer preferably comprises polymeric fibres such as cellulose fibres.
  • a super absorbent polymer is used.
  • the absorbent polymer may be integrated into the non- woven layer or alternatively may be present as a separate layer.
  • the absorbent polymer is preferably particulate.
  • the selected polymer would depend upon the end use of the material. Example uses include the absorption of one or more of the following: blood, water, water based chemicals or oils.
  • the material generally has an absorption capacity of 20 to 30 litres per square metre.
  • the backing layer is preferably made from plastics material.
  • the material of the present invention has many different applications and uses. In addition to being used to soak up blood, chemicals and the like it can act as a reservoir of water and nutrients to be supplied to plants.
  • Absorbent material in accordance with the present invention can be placed over the spillage in order to absorb all of the spillage.
  • One or more handles may be provided in order to prevent contact of the user with the spilled fluid.
  • the spilled fluid can be isolated within the absorbent material so as to prevent contamination.
  • One or more disinfectants can be incorporated into the absorbent material if required.
  • a further application in the medical field is in the transportation of sample/specimen containers.
  • Medical specimens are currently transported via the postal services using a variety of devices and packaging products to prevent the specimen container from being broken.
  • the specimen must be wrapped in an absorbent material which is placed in a leak proof plastics bag or sealed box.
  • the material of the present invention may be formed into a suitable container either in box or envelope form.
  • the plastics backing layer of the material would form the outer surface of the container. It is considered that such an integrated package would provide significantly better protection for both the package itself and any spillage that may occur.
  • a further protective layer such as a plastics material comprising air pockets may be used. This material is commonly referred to as bubble wrap.
  • An inspection window may be provided in the container.
  • the absorbent material may be used as a reservoir for fluid/water and or nutrients.
  • a different polymer would generally be used to that used in the medical applications described above.
  • water can be directed onto the target areas where mats or bags are placed which are made from the absorbent material in accordance with the present invention.
  • the mats of the present invention can also be used for hanging baskets, plant pots, window boxes and like containers either in or under such containers and for wrapping around root complexes during transportation of plants.
  • the mats of the invention provide water to ensure survival of the plants for protracted periods such as during vacations, transport of plants and in long standing displays.
  • the invention also has application in seed cultivation mats which allow growth of seed and root complexes. Such mats allow the total seed/plant and root complexes to be cut out and avoids root disturbance. The seeds or plants can then be transported in the original growing medium without disturbing root formations.
  • the mats may also be used to provide a medium for grasses or plants to achieve natural results indoors or outdoors as desired to provide improved quality growth and avoid effects of wildlife e.g. turf cultivation.
  • Biodegradable materials may be used in order to ensure that the product would decompose over a suitable time period.
  • a biodegradable backing material is preferred.
  • the polymer used in the absorbent material could be chosen to suit the particular end use. For example, in horticultural mats polyacrylates are preferred whereas in mats used for absorbing chemicals cross-linked polyacryla ides or polyacrylates are preferred.
  • Fig.l is an exploded view of an absorbent material for use in any of the aspects of the present invention
  • Fig.2 is a perspective view of the absorbent material of Fig.l;
  • Fig.3 shows an envelope container for transporting medical samples, the container being made from the absorbent material of Figs. 1 and 2;
  • Fig.4 shows a box container for transporting medical samples, the container being made from the absorbent material of Figs. 1 and 2;
  • Fig.5 is an absorbent mat made from the materials of Figs. 1 and 2;
  • Fig.6 shows a bag made from the absorbent material of Figs. 1 and 2, the bag being used as a water and nutrient reservoir for a plant.
  • an absorbent material 10 has a layered structure comprising a semi-permeable top cover 11, a non-woven cellulose fabric 12, a layer of particulate super absorbent polymer 13 and a plastics base sheet 14.
  • the super absorbent polymer can alternatively or additionally be integrated into the cellulose fabric.
  • the choice of polymer for incorporation into the material would depend upon the end use of the material.
  • Super absorbent polymers are available, for example, for absorbing blood, water based chemicals or oils.
  • edging strips 15 made from an impermeable material are located around the four edges of the material and are sealed.
  • Fig.3 shows an envelope 16 for transporting a specimen jar.
  • the envelope is made from two pieces of the material shown in Fig.l.
  • the width of the two pieces of material is the same, but one piece of material is longer than the other so as to provide a flap 17.
  • the envelope is then turned inside out such ' that the plastics backing sheet is provided on the outside of the envelope.
  • the envelope is operative to receive a Specitran (trade mark) specimen jar 18 in the pouch of the envelope.
  • the flap 17 is then inserted inside the pouch 19 to seal the envelope, additional securing means being provided for securing the flap 17 in place.
  • impermeable edging strip is required at the connected regions of the pieces of material.
  • impermeable edging strip may be provided around the flap 17 and the open edge 20 defining the top of the pouch 19.
  • An additional protective layer 21 may be provided around the outside of the envelope.
  • This may be a plastics material comprising air pockets such as material commonly referred to as bubble wrap.
  • Fig.4 shows a box 22 for transporting specimen jars made from the material in accordance with the invention.
  • the box may comprise an additional layer to provide it with sufficient rigidity.
  • the polymers for incorporation into the specimen carriers of Figs. 3 and 4 would be capable of absorbing at least 7 litres per square metre of material and preferably up to 18 litres per square metre of material.
  • Fig.5 shows an absorbent mat 23 which comprises a piece of material as shown in Fig.2.
  • handles 24 are provided on the rear non-absorbent surface of the mat so that the user need not touch the spilled fluid 25.
  • Disinfectants may optionally be incorporated into the mat.
  • Suitable polymers for absorbing aqueous based chemicals include cross- linked polyacrylamides and sodium polyacrylates.
  • Fig.6 shows a bag 26 made from the material of Fig.l.
  • An impermeable edging strip is provided around the free edge 27 of the bag.
  • the material comprises an absorbent polymer which is charged with water.
  • the polymer ideally comprises a highly cross-linked potassium polyacrylate absorbent polymer.
  • the bag is also charged with nutrient material.
  • a plant is located in the bag and the neck of the bag is tied around the plant stem by a bag tie 28.
  • the bag is useful when planting plants in arid soils and when transporting plants. Absorbent capacities of at least 20 litres of water per square metre are achievable.
  • the absorbent material may also be used to provide water and/or nutrients in a hanging basket or other plant container.
  • the mat could be located in the container substantially one third of the way up the container; i.e. at root level. Alternatively the mat could be located under the pot.
  • the plant roots grow into the mat and take water nutrient on a by- demand basis.
  • Mats may alternatively be placed in trenches in arid soils and then covered with soil. The mats provide impermeable undersoil reservoir mats.
  • the mats may also be used for cultivating seeds.
  • the root complexes could then be transferred to turf/lawns, seed trays, herbs etc.
  • Nutrients could be provided in the mat. Water could be added to the mat. The mat quickly absorbs large volumes of water (20 litres per M 2 ). The mat could be topped up with water as required once in use.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
  • Packages (AREA)

Abstract

Un matériau absorbant (10) comprend une membrane semi-perméable (11), une couche support (13) et un polymère absorbant (14) placé entre elles. Les bords du matériau sont scellés. Ce matériau trouve son application comme tissu absorbant le sang, les produits chimiques ou analogue, ou comme réservoir d'eau et de substances nutritives pour les plantes.
EP94914481A 1993-05-06 1994-05-06 Materiau absorbant Withdrawn EP0696883A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9309355 1993-05-06
GB939309355A GB9309355D0 (en) 1993-05-06 1993-05-06 Absorbent material
PCT/GB1994/000984 WO1994026093A1 (fr) 1993-05-06 1994-05-06 Materiau absorbant

Publications (1)

Publication Number Publication Date
EP0696883A1 true EP0696883A1 (fr) 1996-02-21

Family

ID=10735043

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94914481A Withdrawn EP0696883A1 (fr) 1993-05-06 1994-05-06 Materiau absorbant

Country Status (4)

Country Link
EP (1) EP0696883A1 (fr)
AU (1) AU6683794A (fr)
GB (1) GB9309355D0 (fr)
WO (1) WO1994026093A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2737079B1 (fr) * 1995-07-28 1997-08-29 Jean-Sylvain Guillemain Support modulaire de culture hors sol
AU1854897A (en) * 1995-09-22 1997-04-09 Kimberly-Clark Worldwide, Inc. Extended shelf-life package for fruits and vegetables and the like
GB9908423D0 (en) * 1999-04-14 1999-06-09 Jiffy Packaging Co Ltd Improvements relating to padded bags
US8007884B2 (en) * 2000-10-25 2011-08-30 Synergistic Ventures, Inc. Irrigation, erosion control, root growth control and clean-up techniques
GB0217458D0 (en) * 2002-07-27 2002-09-04 Smart Tech Ltd Plant watering system
DE202004004867U1 (de) * 2004-03-25 2004-05-27 Reinecke, Christa Bewässerungsvorrichtung für Pflanzen
US7877929B2 (en) * 2007-08-04 2011-02-01 Rezzorb, Llc Method and apparatus for reducing fertilizer use in agricultural operations
DK2714977T3 (en) 2011-05-31 2018-01-08 Knauf Insulation MINERAL WOOL PRODUCT
NL2010420C2 (nl) * 2013-03-11 2014-09-15 Peter Hubertus Elisabeth Ende Pad voor het vasthouden van water en/of voedingsstoffen in een plantpot of in de grond, alsmede werkwijze voor vormen van een watervasthoudende, hydraterende en luchtdoorlatende laag onder in een plantpot of in de grond.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE666885A (fr) * 1964-07-22 1965-11-03
FR2590761B1 (fr) * 1985-11-29 1989-01-06 Beghin Say Sa Support de culture hors-sol comportant des particules superabsorbantes et utilisation de ce support pour la culture hors-sol
FR2630293B1 (fr) * 1988-04-26 1990-07-06 Kaysersberg Sa Micromotte de culture, notamment utilisable pour la multiplication des vegetaux par semis ou microbouturage en culture in vitroou en serre
EP0368007A3 (fr) * 1988-10-14 1990-05-30 Joseph Donald Russo Emballage pour transport et confinement de liquides dangereux
US4984907A (en) * 1989-08-07 1991-01-15 Brenda Power Grease absorbent device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9426093A1 *

Also Published As

Publication number Publication date
AU6683794A (en) 1994-12-12
GB9309355D0 (en) 1993-06-16
WO1994026093A1 (fr) 1994-11-24

Similar Documents

Publication Publication Date Title
US3739522A (en) Horticultural cell system and method of manufacture
EP0696883A1 (fr) Materiau absorbant
JPH09322654A (ja) 園芸用吊り鉢用モケット
US5210975A (en) Seed-sprouting kit
CA2704170A1 (fr) Trousse de germination comprenant un pot et un onglet en papier- semences amovible
JP6214015B1 (ja) 水蒸気栽培用植物支持材
US7251912B2 (en) Biodegradable device for irrigating seedlings and other small plants
KR101295376B1 (ko) 도시 원예용 친환경 식물 재배 용기
GB2257885A (en) Container for plants.
BR112021011445A2 (pt) Substrato para produzir vegetais, cogumelos ou ervas prontos para consumo em um recipiente fechado
JP3086178B2 (ja) 植栽パック
US5355622A (en) Plant pouch
JPH09172860A (ja) 植物栽培床
JP2010215243A (ja) 茎の保存袋及び保存方法
JP5649804B2 (ja) 花卉類用保水袋
US11691807B1 (en) Packaged plant delivery system with sterile growing medium
JPH1118510A (ja) 植物栽培用パック
KR200188589Y1 (ko) 콩나물 재배기
JP3055376U (ja) 食品梱包用シート及び食品梱包容器
JPS5925622A (ja) 袋植え植物の栽培方法並びにそれに用いる用土充填袋
JP3023924U (ja) 鉢物苗木の包装材
JPH055883Y2 (fr)
JPH0669175U (ja) 包装用容器
GB2326579A (en) Water retention system for horticultural use
JPH1142020A (ja) 草花用プランタ

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19951123

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

17Q First examination report despatched

Effective date: 19960510

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19970930