### substance:

Adhesive
* All adhesives have by-products during cure that escape as vapors.
* Many adhesives contain cyclic hydrocarbons, which have been linked with cancer.
* Most adhesives migrate into the paper fibers and are almost impossible to remove.
* Offer a wide range of solutions for metal and composite bonding.
* Some adhesives are for temporary use, like sticky-tac or the adhesive on sticky notes
  - leave a partial residue of stickiness, too
  - lose significant strength
  - polymerize on contact with slightly alkaline surfaces.
  * An 'adhesive' compound that or bonds two items together. Adhesives may come from either natural or sources. Some modern adhesives are extremely strong, and are becoming increasingly important in modern construction and industry. Examples of adhesives include tape, glue, and sticky-tac. Some adhesives are for temporary use, like sticky-tac or the adhesive on sticky notes. Others are for more permanent bonding of small items like gluing paper or building large pieces of furniture using construction adhesive
* allow uniform distrubition of stress over the entire bonded area.
* are also among the least understood materials in most woodshops
  - critical in order to keep fabric in place when printing
  - sticky substances made from a compound that adheres or bonds two items together
  - the most important ingredient in a window film
  - very good in shear
* can also be a sticky subject
  - be in film, liquid, or paste form
  - get soft, causing film to slide off, under extreme heat over long periods of time
  - offer improved properties, cost efficiency, and prolonged use
* come from either natural or synthetic sources.
* consist of rubber, silicone, acrylic.
* cured by humidity have high shear and tensile strength, and good aging resistance.
* distribute load more evenly, making a joint more resistant to stress.
* form a continouus bond between the joint surfaces.
* harden as they oxidize.
* has chemical resistance
  - degrees
  - heat resistance
* has strong chemical resistance
* join plastics to other plastics or other materials having bondable surfaces.
* offer several benefits over mechanical fasteners for joining elastomeric materials.
* require both short and long wavelengths to cure properly.
* used in the hull construction are resorcinol and epoxy.
* vary with the purpose for which they are intended.

### substance | adhesive:

Glue
* Most glue creates bonds.
* Most glues used for attaching stubs are water soluble, as it's the least expensive
  - in panel manufactures require both heat and pressure to cure properly
* Some glue conducts electricity
  - glues dissolve in drycleaning solvent, causing the beading to come off
* are also adhesives because they can hold two things together.
* hardens when there loss of water from the formula.
* is capable of dries
  - sets
  - cement
* is located in bottles
  - cabinets
  - classrooms
  - closed containers
  - desks
  - garages
  - schools
  - tubes
  - mixture
  - substances
* work only for short periods before they become covered with a blanket of grit and dirt.

### substance | adhesive | glue:

Casein glue
* are protein based glues of great strength and pretty-good water resistance.
* is glue

Hot glue
* Some hot glue conducts electricity.
* comes in varieties with different melting points and strengths.
* solid, waxy plastic material that joins materials by both cohesion and absorption.

Polyurethane glue
* can be as messy as epoxy.
* needs moisture to harden.
* takes some getting used to.
* tend to be a little harder to work with and cost more.

Super glue
* brand name for cyanoacrlyate glue.
* has great tensile strength but very little shear strength.
* is fine to use on artificial nails.

Surgical glue
* holds the skin together, leaving only a tiny scar.
* is used to bring the open tissues together.